CN103312524B - The automatic alarm method and system of display device - Google Patents
The automatic alarm method and system of display device Download PDFInfo
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- CN103312524B CN103312524B CN201310174855.1A CN201310174855A CN103312524B CN 103312524 B CN103312524 B CN 103312524B CN 201310174855 A CN201310174855 A CN 201310174855A CN 103312524 B CN103312524 B CN 103312524B
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Abstract
The invention discloses a kind of automatic alarm method of display device and system, its method includes：Display device sends detection signal to mobile terminal；Mobile terminal determines the distance between mobile terminal and display device transmitting terminal and deviation angle according to detection signal, sets up two dimension or three-dimensional coordinate model, identifies the particular location of mobile terminal, and send to display device；Display device display alarm interface or sends audible alarm when the particular location for judging mobile terminal reaches alarm threshold value.The present invention is by detecting distance and deviation angle during user's viewing program relative to display device; particular location with this determination user with respect to display device; when user distance display device reminds user in time when too near or position is too inclined; protect the eyes of user; avoid impacting eyesight, make more intelligent display device, health, hommization.
Description
Technical field
The present invention relates to intelligent display device technical field, it is related specifically to the automatic alarm method of display device and is
System.
Background technology
With the continuous progress of science and technology, the smart home epoch gradually move to maturity, and various home equipments are more and more intelligent
Change, such as intelligent display device（Such as television set, mobile phone, PC, tablet personal computer）Wide popularization and application, by consumers in general
Like.People also increasingly pay close attention to healthy living while quality of the life is focused on, and user is watching section by display device
During mesh, if improper with the distance and angle of the display screen of display device, often the eyes of user are damaged, influence is used
Family eyesight.And current display device does not have and is automatically reminded to or warning function, when the distance of user and display screen is too near or
When viewing angle is too inclined, display device can not carry out warm prompting and automatic alarm to user, it is impossible to meet user using aobvious
Show the demand that healthy living is enjoyed while equipment watches program.
The content of the invention
The main object of the present invention, can be in user with showing to provide the automatic alarm method and system of a kind of display device
The viewing distance or viewing angle of display screen at that time, are not automatically reminded to or alarmed.
The present invention proposes a kind of automatic alarm method of display device, including step：
Display device transmitting terminal sends detection signal to mobile terminal；The mobile terminal is located at user position；
The mobile terminal receives the detection signal, and according to the detection signal, determines the mobile terminal with showing
Show the distance between equipment transmitting terminal and deviation angle, according to the distance between the mobile terminal and display device transmitting terminal and
Deviation angle, determines particular location of the mobile terminal relative to the display device transmitting terminal；
The mobile terminal sends the information of the particular location of the mobile terminal relative to the display device transmitting terminal
To the display device；
The display device reaches in the judgement mobile terminal relative to the particular location of the display device transmitting terminal
During alarm threshold value, display alarm interface or audible alarm is sent.
Preferably, the mobile terminal determines the mobile terminal and display device transmitting terminal according to the detection signal
The distance between and deviation angle, according to the distance between the mobile terminal and display device transmitting terminal and deviation angle, really
The fixed mobile terminal relative to the display device transmitting terminal particular location the step of specifically include：
When the detection signal is radiofrequency signal, the mobile terminal is inquired about according to the frequency intensity of the detection signal
Sample data table, obtains the distance for corresponding to the frequency intensity in the sample data table, as the mobile terminal with showing
Show the distance between equipment transmitting terminal；
When the detection signal is infrared signal, the inspection carried in detection signal described in the acquisition for mobile terminal
Survey signal emission rate and launch time, and obtain the mobile terminal receive it is described detection signal when the reception time,
According to the time difference between the emission rate, the launch time and reception time, determine that the mobile terminal is set with display
The distance between standby transmitting terminal；
The mobile terminal is according to the display device when sending the detection signal for detecting and being carried in signal
The anglec of rotation of transmitting terminal, launches the anglec of rotation of the display device transmitting terminal as the mobile terminal and display device
Deviation angle between end；
According to the distance between the mobile terminal and display device transmitting terminal and deviation angle, two dimension or three-dimensional seat are set up
Model is marked, particular location of the mobile terminal relative to the display device transmitting terminal is identified.
Preferably, the display device is judging specific position of the mobile terminal relative to the display device transmitting terminal
Put when reaching alarm threshold value, display alarm interface or specifically include the step of send audible alarm：
When the deviation angle between the mobile terminal and display device transmitting terminal is less than angle threshold lower limit, institute is judged
State whether the distance between mobile terminal and display device transmitting terminal are less than the first distance threshold, and in the mobile terminal with showing
When showing that the distance between equipment transmitting terminal is less than the first distance threshold, display alarm interface or audible alarm is sent；
When the deviation angle between the mobile terminal and display device transmitting terminal is more than angle threshold lower limit and less than angle
When spending upper threshold, judge whether the distance between the mobile terminal and display device transmitting terminal are less than second distance threshold value,
And the distance between the mobile terminal and display device transmitting terminal is when being less than second distance threshold value, display alarm interface or hair
Go out audible alarm；
When the deviation angle between the mobile terminal and display device transmitting terminal is more than the angle threshold upper limit, directly show
Show prompting interface or send audible alarm.
Preferably, also include before the step of display device transmitting terminal sends detection signal to mobile terminal：
The display device transmitting terminal is rotated according to preset deflection angle speed；
The display device determines the anglec of rotation of the display device transmitting terminal after rotation；
The anglec of rotation of the display device transmitting terminal is packaged in the detection signal by the display device.
Preferably, the mobile terminal sends particular location of the mobile terminal relative to the display device transmitting terminal
Information to the display device the step of after also include：
The display device receives the query statement of user's typing, obtains the mobile terminal relative to the display device
The history information of the particular location of transmitting terminal, and show.
The present invention also proposes a kind of automatic alarm system of display device, including display device and mobile terminal, described aobvious
Show that equipment includes transmitting terminal, first network module, judge module and alarm module, the mobile terminal includes receiving module, determined
Position module and the second mixed-media network modules mixed-media；
The transmitting terminal is used for, and sends detection signal to the mobile terminal；It is in place that the mobile terminal is located at user institute
Put；
The receiving module is used for, and receives the detection signal；
The locating module is used for, according to the detection signal, determines that this described mobile terminal measured is set with display
The distance between standby transmitting terminal and deviation angle；According to the distance between the mobile terminal and display device transmitting terminal and skew
Angle, determines particular location of the mobile terminal relative to the display device transmitting terminal；
Second mixed-media network modules mixed-media is used for, and sends specific position of the mobile terminal relative to the display device transmitting terminal
The information put is to the display device；
The first network module is used for, and receives the mobile terminal of the mobile terminal transmission relative to the display
The information of the particular location of equipment transmitting terminal；
The judge module is used for, and judges that the mobile terminal is relative to the particular location of the display device transmitting terminal
It is no to reach alarm threshold value；
The alarm module is used for, and judges that the mobile terminal is launched relative to the display device in the judge module
When the particular location at end reaches alarm threshold value, display alarm interface or audible alarm is sent.
Preferably, the locating module is specifically included：
Distance positioning unit is strong according to the frequency of the detection signal for when the detection signal is radiofrequency signal
Query sample tables of data is spent, the distance for corresponding to the frequency intensity in the sample data table is obtained, as described mobile whole
The distance between end and display device transmitting terminal；When the detection signal is infrared signal, obtains and taken in the detection signal
The emission rate of the detection signal of band and launch time, and obtain the mobile terminal receive it is described detection signal when
The reception time, according to the time difference between the emission rate, the launch time and reception time, determine the mobile terminal
The distance between with display device transmitting terminal；
Angle positioning unit, for detecting the display when sending the detection signal carried in signal according to described
The anglec of rotation of equipment transmitting terminal, regard the anglec of rotation of the display device transmitting terminal as the mobile terminal and display device
Deviation angle between transmitting terminal；
Coordinate setting unit, for according to the distance between the mobile terminal and display device transmitting terminal and deviation angle
Degree, sets up two dimension or three-dimensional coordinate model, identifies specific position of the mobile terminal relative to the display device transmitting terminal
Put.
Preferably, the judge module specifically for：
When the deviation angle between the mobile terminal and display device transmitting terminal is less than angle threshold lower limit, institute is judged
State whether the distance between mobile terminal and display device transmitting terminal are less than the first distance threshold, and in the mobile terminal with showing
When showing that the distance between equipment transmitting terminal is less than the first distance threshold, notify the alarm module display alarm interface or send sound
Sound is alarmed；
When the deviation angle between the mobile terminal and display device transmitting terminal is more than angle threshold lower limit and less than angle
When spending upper threshold, judge whether the distance between the mobile terminal and display device transmitting terminal are less than second distance threshold value,
And the distance between the mobile terminal and display device transmitting terminal be less than second distance threshold value when, notify the alarm module
Display alarm interface sends audible alarm；
When the deviation angle between the mobile terminal and display device transmitting terminal is more than the angle threshold upper limit, institute is notified
Alarm module is stated to directly display prompting interface or send audible alarm.
Preferably, the transmitting terminal of the display device is additionally operable to, and is rotated according to preset deflection angle speed；
The display device also includes：
Angle-determining module, the anglec of rotation for determining the display device transmitting terminal after rotation；
Signal assemble module, for the anglec of rotation of the display device transmitting terminal to be packaged in the detection signal.
Preferably, the display device also includes enquiry module and display module；
The enquiry module is used for, and receives the query statement of user's typing, obtains the mobile terminal aobvious relative to described
Show the history information of the particular location of equipment transmitting terminal；
The display module is used for, and shows the mobile terminal relative to the particular location of the display device transmitting terminal
History information.
The present invention is true with this by detecting distance and deviation angle during user's viewing program relative to display device
Particular location of the user relative to display device transmitting terminal is determined, when user distance display device is carried in time when too near or position is too inclined
Wake up user, protects the eyes of user, it is to avoid eyesight is impacted, makes more intelligent display device, health, hommization.
Brief description of the drawings
Fig. 1 is the flow chart of the first embodiment of the automatic alarm method of display device of the present invention；
Fig. 2 is the flow chart of the second embodiment of the automatic alarm method of display device of the present invention；
Fig. 3 is the flow chart of the 3rd embodiment of the automatic alarm method of display device of the present invention；
Fig. 4 is the flow chart of the fourth embodiment of the automatic alarm method of display device of the present invention；
Fig. 5 is the flow chart of the 5th embodiment of the automatic alarm method of display device of the present invention；
Fig. 6 is the structural representation of the first embodiment of the automatic alarm system of display device of the present invention；
Fig. 7 is the structural representation of the second embodiment of the automatic alarm system of display device of the present invention；
Fig. 8 is the structural representation of the 3rd embodiment of the automatic alarm system of display device of the present invention；
Fig. 9 is the structural representation of the fourth embodiment of the automatic alarm system of display device of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in figure 1, flow charts of the Fig. 1 for the first embodiment of the automatic alarm method of display device of the present invention.This reality
Apply the automatic alarm method for the display device that example is mentioned, including step：
Step S10, display device transmitting terminal sends detection signal to mobile terminal；It is in place that mobile terminal is located at user institute
Put；
Step S20, mobile terminal receives detection signal；
In the present embodiment, the transmitting terminal of display device is usually mounted to above the display screen of display device, and transmitting terminal can be real
Existing 360 degree of samsaras rotation.The detection signal that transmitting terminal is sent can be radiofrequency signal or infrared signal, and detection signal can be carried
The ID codes of display device, the current information such as anglec of rotation of transmitting terminal when sending the time, sending detection signal.Mobile terminal can
Think glasses, earphone, the helmet, wrist-watch etc. it is wearable in the visible position of user's body or be positioned over user at one's side, identify use
The terminal of particular location where family, mobile terminal is internally provided with rfid device or infrared receiving device.
Step S30, mobile terminal according to detection signal, determine the distance between mobile terminal and display device transmitting terminal and
Deviation angle, according to the distance between mobile terminal and display device transmitting terminal and deviation angle, determine mobile terminal relative to
The particular location of display device transmitting terminal；
Under normal circumstances, the deviation angle between mobile terminal and display device transmitting terminal includes two-dimensional migration angle and three
Tie up deviation angle.Wherein, two-dimensional migration angle refers to, the projection of detection signal propagation path in the horizontal plane shows with display device
Angle immediately ahead of display screen between, for example, when mobile terminal be located at immediately ahead of display device display screen to when, deviation angle is
0 degree, when plane is in same plane where mobile terminal and display screen, deviation angle is ± 90 degree, wherein, positioned at display screen
Left side is -90 degree, is+90 degree on the right side of display screen.3-D migration angle includes horizontal-shift angle and offset of vertical angle,
Wherein, horizontal-shift angle refer to detect signal propagation path projection in the horizontal plane with immediately ahead of display device display screen to
Between angle, vertical gyration refer to detect signal propagation path perpendicular to display device display screen throwing in the plane
Angle immediately ahead of shadow and display device display screen between, for example, when deviation angle is（0 degree, 0 degree）When, mobile terminal position
To when deviation angle is immediately ahead of display device display screen（45 degree, 45 degree）When, mobile terminal is located at display device display screen
The position of preceding high right arrows.Mobile terminal, can be according to spread speed, the propagation time for detecting signal after detection signal is received
Or the information such as frequency intensity, to determine to detect the distance that signal is propagated, i.e., between mobile terminal and display device transmitting terminal away from
From for example, when it is radiofrequency signal to detect signal, distance can be determined according to the frequency intensity of radiofrequency signal, when detection signal
When being infrared signal, distance can be determined according to the spread speed and propagation time of infrared signal.Meanwhile, mobile terminal can pass through
The anglec of rotation of display device transmitting terminal, to determine the deviation angle between mobile terminal and display device transmitting terminal, distance and
The combination of deviation angle, you can obtain particular location of the current mobile terminal relative to display device, realize to mobile terminal
It is accurately positioned.
Step S40, mobile terminal sends information of the mobile terminal relative to the particular location of display device transmitting terminal to aobvious
Show equipment；
Mobile terminal can be sent by the mode such as LAN, wireless network, cable network, infrared, bluetooth to display device
The information of the particular location of mobile terminal.In addition, mobile terminal can also by wifi etc. wirelessly or non-wirelessly internetwork connection mode with
Cloud server is connected, and the positional informations such as the distance measured and deviation angle are sent to cloud server, by cloud service
The data that device storage is measured, then by display device, by wifi etc., wirelessly or non-wirelessly internetwork connection mode connects with cloud server
Connect, result is obtained from cloud server.When mobile terminal can also be by the id information of mobile terminal, this launch time and reception
Between etc. information be sent to cloud server or display terminal in the lump, the ID of mobile terminal is believed by display terminal or cloud server
Breath, this launch time, the storage corresponding with the detection data of the mobile terminal of reception time, in order to subsequent query, the movement is whole
Data corresponding to the id information at end.
Step S50, display device reaches alarm in judgement mobile terminal relative to the particular location of display device transmitting terminal
During threshold value, display alarm interface or audible alarm is sent.
Display device is previously provided with safety critical scope, and when the data measured exceed safety critical scope, display is set
It is standby can display alarm interface on a display screen, such as the word, picture, video of display alarm, or display device is by raising one's voice
Device sends audible alarm, such as one section of voice message of advance typing or alarm song sending buzzing, tone.
Therefore, the present embodiment by detect user watch program when relative to display device distance and deviation angle,
The particular location of transmitting terminal with this determination user relative to display device transmitting terminal, in user distance display device too near or position
Remind user in time when putting too inclined, protect the eyes of user, it is to avoid eyesight is impacted, make display device it is more intelligent,
Health, hommization.
As shown in Fig. 2 flow charts of the Fig. 2 for the second embodiment of the automatic alarm method of display device of the present invention.This reality
Example is applied based on embodiment illustrated in fig. 1, wherein, step S30 is specifically included：
Step S31, when it is radiofrequency signal to detect signal, mobile terminal is according to the frequency intensity query sample for detecting signal
Tables of data, obtains the distance for corresponding to frequency intensity in sample data table, as between mobile terminal and display device transmitting terminal
Distance；
In the present embodiment, when it is radiofrequency signal to detect signal, based on radiofrequency signal in different transmitting ranges, its frequency
Intensity is different, can by analyzing the frequency intensity of radiofrequency signal, come obtain between display device transmitting terminal and mobile terminal away from
From.Wherein, sample data table includes the frequency intensity and the one-to-one relationship between of detection signal.Can be by newest sample
Notebook data table is stored in cloud server, and mobile terminal can obtain newest before query sample tables of data from cloud server
Sample data table；Or directly obtain the sample data table stored in display device；Or display device is when first powering on, from cloud
Hold server to download sample data table, and be stored in the memory of display device, mobile terminal is in each query sample data
During table, the sample data table in memory is directly invoked.
Step S32, when it is infrared signal to detect signal, the detection signal carried in acquisition for mobile terminal detection signal
Emission rate and launch time, and reception time when mobile terminal receives detection signal is obtained, according to emission rate, transmitting
Time difference between time and reception time, determine the distance between mobile terminal and display device transmitting terminal；
When it is infrared signal to detect signal, it is assumed that infrared signal is at the uniform velocity to propagate, then emission rate is infrared signal
Spread speed, the time difference between launch time and reception time is the propagation time, passes through spread speed and propagation time
Calculate the distance between propagation distance, i.e. mobile terminal and display device transmitting terminal.
Step S33, mobile terminal is according to carrying the display device transmitting terminal when sending detection signal in detection signal
The anglec of rotation, regard the anglec of rotation of display device transmitting terminal as the deviation angle between mobile terminal and display device transmitting terminal
Degree；
Mobile terminal carries out initialization clearing setting, movement is eventually in opening initialization to the angle information of mobile terminal
The anglec of rotation for terminating the display device transmitting terminal received is the deviation angle between mobile terminal and display device transmitting terminal.
Step S34, according to the distance between mobile terminal and display device transmitting terminal and deviation angle, sets up two dimension or three
Dimension coordinate model, identifies particular location of the mobile terminal relative to display device transmitting terminal.
When the deviation angle used is two-dimensional migration angle, the coordinate model set up according to distance and deviation angle is two
Dimension coordinate model, only identifies that mobile terminal is remote or near, to the left or to the right relative to display device transmitting terminal, the movement of mark
Terminal is simpler relative to the particular location of display device transmitting terminal, and data processing speed is very fast；When the deviation angle used for
It is three-dimensional coordinate model according to the coordinate model that distance and deviation angle are set up during 3-D migration angle, can identifies mobile whole
End is remote or near, to the left or to the right, on the upper side or on the lower side relative to display device transmitting terminal（For example stand when or the when of lying low）, mark
Mobile terminal it is more comprehensive relative to the particular location of display device transmitting terminal.
The present embodiment obtains mobile terminal accurate relative to display device transmitting terminal by calculating distance and deviation angle
Position, can be achieved to be accurately positioned mobile terminal, reflects that user, relative to display device position, is tied by the measurement
Fruit can determine whether out between user and display device distance, and too whether user's adjustment viewing, and is reminded near, position whether too partially in time
Position, it is to avoid eyes are damaged.
As shown in figure 3, flow charts of the Fig. 3 for the 3rd embodiment of the automatic alarm method of display device of the present invention.This reality
Example is applied based on embodiment illustrated in fig. 1, wherein, step S50 is specifically included：
Step S51, when the deviation angle between mobile terminal and display device transmitting terminal is less than angle threshold lower limit, and
When distance between mobile terminal and display device transmitting terminal is less than the first distance threshold, display alarm interface or sound is sent
Alarm；
Step S52, when the deviation angle between mobile terminal and display device transmitting terminal is more than angle threshold lower limit and small
When the angle threshold upper limit, and distance between mobile terminal and display device transmitting terminal is when being less than second distance threshold value, shows
Show prompting interface or send audible alarm；
Step S53, when the deviation angle between mobile terminal and display device transmitting terminal is more than the angle threshold upper limit, directly
Connect display alarm interface or send audible alarm.
The present embodiment is provided with angle threshold lower limit and the angle threshold upper limit, for example, angle threshold lower limit is 15 degree, angle
Upper threshold is 60 degree, and by taking right side as an example, display screen front region is divided into 3 by angle threshold lower limit and the angle threshold upper limit
It is first area in the range of region, [0 °, 15 °], the region is in immediately ahead of display screen；It is the secondth area in the range of [15 °, 60 °]
Domain, the region belongs to the relative more inclined position of display screen；It is the 3rd region in the range of [60 °, 90 °], the region belongs to relatively aobvious
Display screen very inclined position.User in the range of [0 °, 15 °], stimulation of the display screen to eyes on visual angle is little, as long as
User distance display screen is not too near, it is ensured that the distance between user and display screen are more than or equal to the first distance threshold, display
Shield influences little to the eyes of user.User in the range of [15 °, 60 °], the angle of user's viewing display screen is more inclined, shows
Stimulation of the display screen to eyes on visual angle is larger, in order to compensate the visual impact that deviation angle is brought, and should increase user and display
The distance between screen, reduces the influence of deviation angle, therefore, second distance threshold value should be greater than the first distance threshold.Positioned at [60 °,
90 °] in the range of user, user viewing display screen angle it is very inclined, stimulation of the display screen to eyes on visual angle is very big,
Increase distance can not mitigate influence of the deviation angle to eyes, now need to remind user to adjust viewing angle in time, to the greatest extent
Amount is just to display screen, it is to avoid affect one's power of vision.The present embodiment is directed to different deviation angles, employs different alarm threshold values, will
Deviation angle is with apart from combination, making alarm more intelligent.
As shown in figure 4, flow charts of the Fig. 4 for the fourth embodiment of the automatic alarm method of display device of the present invention.This reality
Example is applied on the basis of embodiment illustrated in fig. 1, is also included before step S10：
Step S11, display device transmitting terminal is rotated according to preset deflection angle speed；
In the present embodiment, display device is previously provided with transmission time interval, transmitting terminal yaw rate and rotation time
Interval, for example, rotation time is at intervals of 5s, transmission time interval is 5s, and 1s sends detection letter after transmitting terminal rotates stopping
Number, transmitting terminal yaw rate is 10 degree, then display device transmitting terminal rotates 10 degree every 5s.
Step S12, display device determines the anglec of rotation of the display device transmitting terminal after rotation；
Display device is often rotated once in transmitting terminal, records an anglec of rotation, for example, transmitting terminal was at 0 second and showed
Screen front is to consistent, and transmitting terminal turned left 10 degree at the 5th second, was turned left 20 degree at the 10th second, at the 15th second
Turn left 30 degree.
The anglec of rotation of display device transmitting terminal is packaged in detection signal by step S13, display device.
The anglec of rotation recorded every time is packaged in detection signal by display device launches, until there is mobile terminal to connect
Receive the detection signal.For example, at the 6th second and the 11st second, the detection signal that transmitting terminal is sent all was not connect by mobile terminal
Receive, and 30 degree of the anglec of rotation was packaged in detection signal and sent by display device at the 15th second, now quilt just
Mobile terminal positioned in this direction is received, and now mobile terminal obtains the anglec of rotation, for subsequently calculating mobile terminal
With the deviation angle between display device transmitting terminal, the program is conducive to simplifying the flow for calculating deviation angle, realizes mobile whole
The quick positioning in end.
As shown in figure 5, flow charts of the Fig. 5 for the 5th embodiment of the automatic alarm method of display device of the present invention.This reality
Example is applied on the basis of embodiment illustrated in fig. 1, is also included after the step s 40：
Step S60, display device receives the query statement of user's typing, obtains mobile terminal and launches relative to display device
The history information of the particular location at end, and show.
In the present embodiment, when user needs to obtain the historical data of current mobile terminal, looking on display screen can be clicked on
Button is ask, all data of current mobile terminal are obtained from display device memory or in cloud server, and is set in display
It is standby to be above shown.In addition, display device or cloud server can also be to the history of all viewing locations of same mobile terminal
Data carry out statistical analysis, the in good time intellectuality, the human nature that push some health informations to user, effectively increase display device
Change and health.
As shown in fig. 6, structural representations of the Fig. 6 for the first embodiment of the automatic alarm system of display device of the present invention.
The automatic alarm system for the display device that the present embodiment is mentioned, including display device 100 and mobile terminal 200, display device 100
Including transmitting terminal 110, first network module 120, judge module 130 and alarm module 140, mobile terminal 200 includes receiving mould
Block 210, the mixed-media network modules mixed-media 230 of locating module 220 and second；
Transmitting terminal 110 is used for, and sends detection signal to mobile terminal 200；Mobile terminal 200 is located at user position；
Receiving module 210 is used for, and receives detection signal；
Locating module 220 is used for, and according to detection signal, determines the transmitting terminal 110 of mobile terminal 200 and display device 100
The distance between and deviation angle, according to the distance between transmitting terminal 110 of mobile terminal 200 and display device 100 and skew
Angle, determines particular location of the mobile terminal 200 relative to the transmitting terminal 110 of display device 100；
Second mixed-media network modules mixed-media 230 is used for, and sends mobile terminal 200 specific relative to the transmitting terminal 110 of display device 100
The information of position is to display device 100；
First network module 120 is used for, and receives the mobile terminal 200 of the transmission of mobile terminal 200 relative to display device 100
Transmitting terminal 110 particular location information；
Judge module 130 is used for, and judges particular location of the mobile terminal 200 relative to the transmitting terminal 110 of display device 100
Whether alarm threshold value is reached；
Alarm module 140 is used for, and transmitting terminal of the mobile terminal 200 relative to display device 100 is judged in judge module 130
When 110 particular location reaches alarm threshold value, display alarm interface or audible alarm is sent.
In the present embodiment, the transmitting terminal 110 of display device 100 is usually mounted to above the display screen of display device 100, hair
360 degree of samsara rotations can be realized by penetrating end 110.The detection signal that transmitting terminal 110 is sent can be radiofrequency signal or infrared signal, inspection
The ID codes of display device 100, current transmission time, the rotation for sending transmitting terminal 110 when detecting signal can be carried by surveying signal
The information such as angle.Mobile terminal 200 can be glasses, earphone, the helmet, and wrist-watch etc. is wearable in the visible position of user's head body
Or be positioned over user at one's side, the terminal that identifies particular location where user, mobile terminal 200 is internally provided with radio frequency identification
Device or infrared receiving device.Under normal circumstances, the deviation angle between mobile terminal 200 and the transmitting terminal 110 of display device 100
Including two-dimensional migration angle and 3-D migration angle.Wherein, two-dimensional migration angle refers to, detection signal propagation path is in horizontal plane
On projection and the display screen of display device 100 immediately ahead of angle between, for example, when mobile terminal 200 is located at display device
Immediately ahead of 100 display screens to when, deviation angle is 0 degree, and plane is in same plane where mobile terminal 200 and display screen
When, deviation angle is ± 90 degree, wherein, it is -90 degree on the left of display screen, is+90 degree on the right side of display screen.3-D migration
Angle includes horizontal-shift angle and offset of vertical angle, wherein, horizontal-shift angle refers to detection signal propagation path in water
Angle immediately ahead of projection and the display screen of display device 100 in plane between, vertical gyration refers to that detection signal is propagated
Path perpendicular to the display screen of display device 100 immediately ahead of projection in the plane and the display screen of display device 100 between
Angle, for example, when deviation angle is（0 degree, 0 degree）When, mobile terminal 200 be located at the display screen of display device 100 immediately ahead of to,
When deviation angle is（45 degree, 45 degree）When, mobile terminal 200 is located at the position of high right arrows before the display screen of display device 100.Move
Dynamic terminal 200, can be according to letters such as spread speed, propagation time or the frequency intensities of detection signal after detection signal is received
Breath, to determine to detect the distance between the distance that signal is propagated, i.e. mobile terminal 200 and the transmitting terminal 110 of display device 100, example
Such as, when it is radiofrequency signal to detect signal, distance can be determined according to the frequency intensity of radiofrequency signal, when detection signal is infrared
During signal, distance can be determined according to the spread speed and propagation time of infrared signal.Meanwhile, mobile terminal 200 can be by aobvious
Show the anglec of rotation of the transmitting terminal 110 of equipment 100, it is inclined between mobile terminal 200 and the transmitting terminal 110 of display device 100 to determine
Move angle, the combination of distance and deviation angle, you can obtain specific position of the current mobile terminal 200 relative to display device 100
Put, realize being accurately positioned to mobile terminal 200.Mobile terminal 200 can be by LAN, wireless network, cable network, red
Outside, the mode such as bluetooth sends the information of the particular location of mobile terminal 200 to display device 100.In addition, mobile terminal 200 is also
Can by wifi etc., wirelessly or non-wirelessly internetwork connection mode is connected with cloud server, and by the distance measured and deviation angle etc.
Positional information is sent to cloud server, the data measured by cloud server storage, then passes through wifi by display device 100
It is connected Deng wirelessly or non-wirelessly internetwork connection mode with cloud server, result is obtained from cloud server.Mobile terminal 200 may be used also
So that the information such as the id information of mobile terminal 200, this launch time and reception time are sent into cloud server in the lump or aobvious
Show terminal 100, by display terminal 100 or cloud server by the id information of mobile terminal 200, this launch time, receive when
Between it is corresponding with the detection data of the mobile terminal 200 storage, in order to corresponding to the id information of the subsequent query mobile terminal 200
Data.Display device 100 is previously provided with safety critical scope, when the data measured exceed safety critical scope, display
Equipment 100 can display alarm interface on a display screen, such as the word, picture, video of display alarm, or display device 100
Audible alarm is sent by loudspeaker, such as one section of voice message of advance typing or alarm song sending buzzing, tone.
Therefore, the present embodiment is by detecting distance and deviation angle during user's viewing program relative to display device 100
Degree, the particular location with this determination user relative to the transmitting terminal 110 of display device 100, in user distance display device 100
User is reminded when too near or position is too inclined in time, the eyes of user are protected, it is to avoid eyesight is impacted, makes display device 100
More intelligent, health, hommization.
As shown in fig. 7, structural representations of the Fig. 7 for the second embodiment of the automatic alarm system of display device of the present invention.
The present embodiment is based on embodiment illustrated in fig. 6, and locating module 220 is specifically included：
Distance positioning unit 221, for when it is radiofrequency signal to detect signal, being inquired about according to the frequency intensity of detection signal
Sample data table, obtains the distance for corresponding to frequency intensity in sample data table, is used as mobile terminal 200 and display device 100
The distance between transmitting terminal 110；When it is infrared signal to detect signal, the hair of the detection signal carried in detection signal is obtained
Firing rate degree and launch time, and reception time when mobile terminal 200 receives detection signal is obtained, according to emission rate, hair
The time difference penetrated between time and reception time, determine between mobile terminal 200 and the transmitting terminal 110 of display device 100 away from
From；
Angle positioning unit 222, for according to carrying the display device 100 when sending detection signal in detection signal
The anglec of rotation of transmitting terminal 110, the anglec of rotation of the transmitting terminal 110 of display device 100 is set as mobile terminal 200 and display
Deviation angle between standby 100 transmitting terminal 110；
Coordinate setting unit 223, for the distance between transmitting terminal 110 according to mobile terminal 200 and display device 100
And deviation angle, two dimension or three-dimensional coordinate model are set up, transmitting terminal of the mobile terminal 200 relative to display device 100 is identified
110 particular location.
In the present embodiment, when it is radiofrequency signal to detect signal, based on radiofrequency signal in different transmitting ranges, its frequency
Intensity is different, can be by analyzing the frequency intensity of radiofrequency signal, to obtain the transmitting terminal 110 and mobile terminal of display device 100
The distance between 200.Wherein, sample data table includes the frequency intensity and the one-to-one relationship between of detection signal.
Newest sample data table can be stored in cloud server, mobile terminal 200, can be from high in the clouds before query sample tables of data
Server obtains newest sample data table；Or directly obtain the sample data table stored in display device 100；Or display device
100 when being first powered on, and sample data table is downloaded from cloud server, and is stored in the memory of display device 100, mobile
Terminal 200 directly invokes the sample data table in memory in each query sample tables of data.When detection signal is red
During external signal, it is assumed that infrared signal is at the uniform velocity to propagate, then emission rate is the spread speed of infrared signal, and launch time is with connecing
Time difference between time receiving is the propagation time, and propagation distance is calculated by spread speed and propagation time, i.e., mobile whole
The distance between transmitting terminal 110 of end 200 and display device 100.Mobile terminal 200 is in opening initialization, to mobile terminal
200 angle information carries out initialization and resets setting, the rotation of the transmitting terminal 110 for the display device 100 that mobile terminal 200 is received
Gyration is the deviation angle between mobile terminal 200 and the transmitting terminal 110 of display device 100.When the deviation angle of use
During for two-dimensional migration angle, it is two-dimensional coordinate model according to the coordinate model that distance and deviation angle are set up, only identifies movement
Terminal 200 is remote or near, to the left or to the right relative to the transmitting terminal of display device 100, and the mobile terminal 200 of mark is relative to display
The particular location of the transmitting terminal of equipment 100 is simpler, and data processing speed is very fast；When the deviation angle used is 3-D migration angle
When, it is three-dimensional coordinate model according to the coordinate model that distance and deviation angle are set up, mobile terminal 200 can be identified relative to aobvious
Show equipment 100 transmitting terminal 110 it is remote or near, to the left or to the right, on the upper side or on the lower side（For example stand when or the when of lying low）, mark
Mobile terminal 200 is more comprehensive relative to the particular location of the transmitting terminal 110 of display device 100.
The present embodiment obtains transmitting of the mobile terminal 200 relative to display device 100 by calculating distance and deviation angle
The exact position at end 110, can be achieved being accurately positioned to mobile terminal 200, reflect user relative to where display device 100
Position, by the measurement result can determine whether out between user and display device 100 distance whether too near, position whether too partially, and
User's adjustment viewing location is reminded in time, it is to avoid eyes are damaged.
In the embodiment of the present invention, judge module 130 specifically for：
When the deviation angle between the transmitting terminal 110 of mobile terminal 200 and display device 100 is less than angle threshold lower limit
When, whether the distance between transmitting terminal 110 of mobile terminal 200 and display device 100 is judged less than the first distance threshold, and
When the distance between transmitting terminal 110 of mobile terminal 200 and display device 100 is less than the first distance threshold, alarm module is notified
140 display alarm interfaces send audible alarm；
When the deviation angle between the transmitting terminal 110 of mobile terminal 200 and display device 100 be more than angle threshold lower limit and
During less than the angle threshold upper limit, judge whether the distance between mobile terminal 200 and transmitting terminal 110 of display device 100 are less than
Second distance threshold value, and distance between the transmitting terminal 110 of mobile terminal 200 and display device 100 is less than second distance threshold
During value, notify the display alarm interface of alarm module 140 or send audible alarm；
When mobile terminal 200 and display device 100 are that deviation angle between transmitting terminal 110 is more than the angle threshold upper limit
When, notify alarm module 140 to directly display prompting interface or send audible alarm.
The present embodiment is provided with angle threshold lower limit and the angle threshold upper limit, for example, angle threshold lower limit is 15 degree, angle
Upper threshold is 60 degree, and by taking right side as an example, display screen front region is divided into 3 by angle threshold lower limit and the angle threshold upper limit
It is first area in the range of region, [0 °, 15 °], the region is in immediately ahead of display screen；It is the secondth area in the range of [15 °, 60 °]
Domain, the region belongs to the relative more inclined position of display screen；It is the 3rd region in the range of [60 °, 90 °], the region belongs to relatively aobvious
Display screen very inclined position.User in the range of [0 °, 15 °], stimulation of the display screen to eyes on visual angle is little, as long as
User distance display screen is not too near, it is ensured that the distance between user and display screen are more than or equal to the first distance threshold, display
Shield influences little to the eyes of user.User in the range of [15 °, 60 °], the angle of user's viewing display screen is more inclined, shows
Stimulation of the display screen to eyes on visual angle is larger, in order to compensate the visual impact that deviation angle is brought, and should increase user and display
The distance between screen, reduces the influence of deviation angle, therefore, second distance threshold value should be greater than the first distance threshold.Positioned at [60 °,
90 °] in the range of user, user viewing display screen angle it is very inclined, stimulation of the display screen to eyes on visual angle is very big,
Increase distance can not mitigate influence of the deviation angle to eyes, now need to remind user to adjust viewing angle in time, to the greatest extent
Amount is just to display screen, it is to avoid affect one's power of vision.The present embodiment is directed to different deviation angles, employs different alarm threshold values, will
Deviation angle is with apart from combination, making alarm more intelligent.
As shown in figure 8, structural representations of the Fig. 8 for the 3rd embodiment of the automatic alarm system of display device of the present invention.
The present embodiment is based on embodiment illustrated in fig. 6, and display device 100 also includes angle-determining module 150 and signal assemble module
160, wherein：
Transmitting terminal 110 is additionally operable to, and is rotated according to preset deflection angle speed；
Angle-determining module 150, the anglec of rotation of the transmitting terminal 110 for determining the display device after rotation 100；
Signal assemble module 160, for the anglec of rotation of the transmitting terminal 110 of display device 100 to be packaged in into detection signal
In.
In the present embodiment, when display device is previously provided with transmission time interval, the yaw rate of transmitting terminal 110 and rotated
Between be spaced, for example, rotation time is at intervals of 5s, transmission time interval is 5s, and transmitting terminal 110 rotate stop after 1s send inspection
Signal is surveyed, the yaw rate of transmitting terminal 110 is 10 degree, then the transmitting terminal 110 of display device 100 rotates 10 degree every 5s.Display
Equipment 100 is often rotated once in transmitting terminal 110, record an anglec of rotation, for example, transmitting terminal 110 at 0 second with display screen just
Front direction is consistent, and transmitting terminal 110 turned left 10 degree at the 5th second, was turned left 20 degree at the 10th second, at the 15th second to
Turn left dynamic 30 degree.The anglec of rotation recorded every time is packaged in detection signal by display device 100 launches, until there is movement
Terminal 200 receives the detection signal.For example, at the 6th second and the 11st second, the detection signal that transmitting terminal 110 is sent all did not had
Received by mobile terminal 200, and 30 degree of the anglec of rotation was packaged in hair in detection signal by display device 100 at the 15th second
See off, now received just positioned at mobile terminal 200 in this direction, now mobile terminal 200 obtains the anglec of rotation
Degree, for subsequently calculating the deviation angle between mobile terminal 200 and the transmitting terminal 110 of display device 100, the program is conducive to letter
Change the flow for calculating deviation angle, realize the quickly positioning of mobile terminal 200.
As shown in figure 9, structural representations of the Fig. 9 for the fourth embodiment of the automatic alarm system of display device of the present invention.
The present embodiment is based on embodiment illustrated in fig. 6, and display device 100 also includes enquiry module 170 and display module 180；
Enquiry module 170 is used for, and receives the query statement of user's typing, obtains mobile terminal 200 relative to display device
The history information of the particular location of 100 transmitting terminal 110；
Display module 180 is used for, particular location of the display mobile terminal 200 relative to the transmitting terminal 110 of display device 100
History information.
In the present embodiment, when user needs to obtain the historical data of current mobile terminal 200, it can click on display screen
Button is inquired about, all data of current mobile terminal 200 are obtained from the memory of display device 100 or in cloud server, and
It is shown on display device 100.In addition, display device 100 or cloud server can also be to the institutes of same mobile terminal 200
The historical data for having viewing location carries out statistical analysis, and in good time pushes some health informations to user, effectively increases display
Intellectuality, hommization and the health of equipment 100.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (8)
1. a kind of automatic alarm method of display device, it is characterised in that including step：
Display device transmitting terminal sends detection signal to mobile terminal；The mobile terminal is located at user position；
The mobile terminal receives the detection signal, and according to the detection signal, determines that the mobile terminal is set with display
The distance between standby transmitting terminal and deviation angle, according to the distance between the mobile terminal and display device transmitting terminal and skew
Angle, determines particular location of the mobile terminal relative to the display device transmitting terminal；
The mobile terminal sends the information of the particular location of the mobile terminal relative to the display device transmitting terminal to institute
State display device；
The display device reaches alarm in the judgement mobile terminal relative to the particular location of the display device transmitting terminal
During threshold value, display alarm interface or audible alarm is sent；
Wherein, described 360 ° of samsara rotations of display device transmitting terminal；
The deviation angle detects the projection of signal propagation path in the horizontal plane and the display device display screen including described
Angle of the front between, and the detection signal propagation path is perpendicular to plane where the display device display screen
On projection and the display device display screen immediately ahead of angle between；
The display device reaches alarm in the judgement mobile terminal relative to the particular location of the display device transmitting terminal
During threshold value, display alarm interface or specifically include the step of send audible alarm：
When the deviation angle between the mobile terminal and display device transmitting terminal is less than angle threshold lower limit, described move is judged
Whether the distance between dynamic terminal and display device transmitting terminal are less than the first distance threshold, and set in the mobile terminal and display
When the distance between standby transmitting terminal is less than the first distance threshold, display alarm interface or audible alarm is sent；
When the deviation angle between the mobile terminal and display device transmitting terminal is more than angle threshold lower limit and less than angle threshold
When being worth the upper limit, whether the distance between the mobile terminal and display device transmitting terminal are judged less than second distance threshold value, and
When the distance between the mobile terminal and display device transmitting terminal are less than second distance threshold value, display alarm interface or sound is sent
Sound is alarmed, and the second distance threshold value is more than first distance threshold；
When the deviation angle between the mobile terminal and display device transmitting terminal is more than the angle threshold upper limit, directly displays and carry
Awake interface sends audible alarm.
2. the automatic alarm method of display device according to claim 1, it is characterised in that the mobile terminal is according to institute
Detection signal is stated, the distance between the mobile terminal and display device transmitting terminal and deviation angle are determined, according to the movement
The distance between terminal and display device transmitting terminal and deviation angle, determine that the mobile terminal is sent out relative to the display device
The step of particular location for penetrating end, specifically includes：
When the detection signal is radiofrequency signal, the mobile terminal is according to the frequency intensity query sample for detecting signal
Tables of data, obtains the distance for corresponding to the frequency intensity in the sample data table, is set as the mobile terminal and display
The distance between standby transmitting terminal；
When the detection signal is infrared signal, the detection letter carried in detection signal described in the acquisition for mobile terminal
Number emission rate and launch time, and obtain the mobile terminal receive it is described detection signal when the reception time, according to
Time difference between the emission rate, the launch time and reception time, determine that the mobile terminal is sent out with display device
Penetrate the distance between end；
The mobile terminal is launched according to the display device when sending the detection signal is carried in the detection signal
The anglec of rotation at end, using the anglec of rotation of the display device transmitting terminal as the mobile terminal and display device transmitting terminal it
Between deviation angle；
According to the distance between the mobile terminal and display device transmitting terminal and deviation angle, two dimension or three-dimensional coordinate mould are set up
Type, identifies particular location of the mobile terminal relative to the display device transmitting terminal.
3. the automatic alarm method of display device according to claim 1, it is characterised in that the display device transmitting terminal
Also include before the step of sending detection signal to mobile terminal：
The display device transmitting terminal is rotated according to preset deflection angle speed；
The display device determines the anglec of rotation of the display device transmitting terminal after rotation；
The anglec of rotation of the display device transmitting terminal is packaged in the detection signal by the display device.
4. the automatic alarm method of the display device according to any one of claims 1 to 3, it is characterised in that the movement
Terminal sends the information of the particular location of the mobile terminal relative to the display device transmitting terminal to the display device
Also include after step：
The display device receives the query statement of user's typing, obtains the mobile terminal and launches relative to the display device
The history information of the particular location at end, and show.
5. a kind of automatic alarm system of display device, it is characterised in that including display device and mobile terminal, the display is set
Standby to include transmitting terminal, first network module, judge module and alarm module, the mobile terminal includes receiving module, positioning mould
Block and the second mixed-media network modules mixed-media；
The transmitting terminal is used for, and sends detection signal to the mobile terminal；The mobile terminal is located at user position；
The receiving module is used for, and receives the detection signal；
The locating module is used for, according to the detection signal, determines that this described mobile terminal measured is sent out with display device
The distance between end and deviation angle are penetrated, according to the distance between the mobile terminal and display device transmitting terminal and deviation angle
Degree, determines particular location of the mobile terminal relative to the display device transmitting terminal；
Second mixed-media network modules mixed-media is used for, and sends the mobile terminal relative to the particular location of the display device transmitting terminal
Information is to the display device；
The first network module is used for, and receives the mobile terminal of the mobile terminal transmission relative to the display device
The information of the particular location of transmitting terminal；
The judge module is used for, and judges whether the mobile terminal reaches relative to the particular location of the display device transmitting terminal
To alarm threshold value；
The alarm module is used for, and judges the mobile terminal relative to the display device transmitting terminal in the judge module
When particular location reaches alarm threshold value, display alarm interface or audible alarm is sent；
Wherein, described 360 ° of samsara rotations of display device transmitting terminal；
The deviation angle detects the projection of signal propagation path in the horizontal plane and the display device display screen including described
Angle of the front between, and the detection signal propagation path is perpendicular to plane where the display device display screen
On projection and the display device display screen immediately ahead of angle between；
The judge module specifically for：
When the deviation angle between the mobile terminal and display device transmitting terminal is less than angle threshold lower limit, described move is judged
Whether the distance between dynamic terminal and display device transmitting terminal are less than the first distance threshold, and set in the mobile terminal and display
When the distance between standby transmitting terminal is less than the first distance threshold, notifies the alarm module display alarm interface or send sound report
It is alert；
When the deviation angle between the mobile terminal and display device transmitting terminal is more than angle threshold lower limit and less than angle threshold
When being worth the upper limit, whether the distance between the mobile terminal and display device transmitting terminal are judged less than second distance threshold value, and
When the distance between the mobile terminal and display device transmitting terminal are less than second distance threshold value, the alarm module is notified to show
Remind interface or send audible alarm, the second distance threshold value is more than first distance threshold；
When the deviation angle between the mobile terminal and display device transmitting terminal is more than the angle threshold upper limit, the report is notified
Alert module directly displays prompting interface or sends audible alarm.
6. the automatic alarm system of display device according to claim 5, it is characterised in that the locating module is specifically wrapped
Include：
Distance positioning unit, for when the detection signal is radiofrequency signal, being looked into according to the frequency intensity of the detection signal
Ask sample data table, obtain the distance for corresponding to the frequency intensity in the sample data table, as the mobile terminal with
The distance between display device transmitting terminal；When the detection signal is infrared signal, obtain what is carried in the detection signal
The emission rate of the detection signal and launch time, and obtain the reception when mobile terminal receives the detection signal
Time, according to the time difference between the emission rate, the launch time and reception time, determine the mobile terminal with showing
Show the distance between equipment transmitting terminal；
Angle positioning unit, for detecting the display device when sending the detection signal carried in signal according to described
The anglec of rotation of transmitting terminal, launches the anglec of rotation of the display device transmitting terminal as the mobile terminal and display device
Deviation angle between end；
Coordinate setting unit, for according to the distance between the mobile terminal and display device transmitting terminal and deviation angle, building
Vertical two dimension or three-dimensional coordinate model, identify particular location of the mobile terminal relative to the display device transmitting terminal.
7. the automatic alarm system of display device according to claim 5, it is characterised in that the transmitting of the display device
End is additionally operable to, and is rotated according to preset deflection angle speed；
The display device also includes：
Angle-determining module, the anglec of rotation for determining the display device transmitting terminal after rotation；
Signal assemble module, for the anglec of rotation of the display device transmitting terminal to be packaged in the detection signal.
8. the automatic alarm system of the display device according to any one of claim 5 to 7, it is characterised in that the display
Equipment also includes enquiry module and display module；
The enquiry module is used for, and receives the query statement of user's typing, obtains the mobile terminal and is set relative to the display
The history information of the particular location of standby transmitting terminal；
The display module is used for, and shows the history of the particular location of the mobile terminal relative to the display device transmitting terminal
Record information.
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| CN201310174855.1A CN103312524B (en) | 2013-05-13 | 2013-05-13 | The automatic alarm method and system of display device |
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| CN103646516B (en) * | 2013-11-04 | 2016-02-17 | 广东明创软件科技有限公司 | The method of vision protection and there is the equipment of vision protection function |
| CN103646637B (en) * | 2013-11-04 | 2016-06-22 | 广东明创软件科技有限公司 | The method of protection vision |
| CN104504868B (en) * | 2015-01-04 | 2017-05-24 | 合肥联宝信息技术有限公司 | Device and method for monitoring bad habits of terminal device user |
| CN104994218A (en) * | 2015-05-14 | 2015-10-21 | 努比亚技术有限公司 | Mobile terminal and method thereof for achieving use prompt |
| CN105100952B (en) * | 2015-06-29 | 2018-04-06 | 小米科技有限责任公司 | Screen-picture method of adjustment, device and equipment |
| WO2018009144A1 (en) * | 2016-07-04 | 2018-01-11 | Singapore Health Services Pte Ltd | Apparatus and method for monitoring use of a device |
| CN106375691A (en) * | 2016-08-31 | 2017-02-01 | 深圳Tcl数字技术有限公司 | Curved television video play method and apparatus |
| CN106937297A (en) * | 2017-03-31 | 2017-07-07 | 广东惠利普路桥信息工程有限公司 | Mineral Specimen Room interior locating device |
| CN109525706A (en) * | 2018-09-29 | 2019-03-26 | 努比亚技术有限公司 | Flexible screen terminal control method, flexible screen terminal and computer readable storage medium |
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