CN1735146A - Audiovisual time control method for multi-machine digital satellite broadcast receiver - Google Patents
Audiovisual time control method for multi-machine digital satellite broadcast receiver Download PDFInfo
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Abstract
The method discloses a method for preengaged view and record from digital satellite broadcast receiver comprised of a host machine and a plurality of sub machines. Particularly, using a host machine to demodulate multi channels and make a plurality of sub machines to receive the special channel and decode to display; one sub unit can set effectively audio-visual time for all units control the audio-visual time of all units. This invention can prevent children watching TV too late to sleep; even parents are absent, the host machine can control the audio-visual time.
Description
Technical field
The present invention relates to digital field of satellite broadcast system, be specifically related to digital satellite broadcasting acceptance control method.
Background technology
DirecTV company by the U.S. had implemented digital satellite broadcasting for the first time in the world in 94 years, was diffused into ground such as Europe, Japan, Asia, Africa then rapidly, can both audiovisual arrive digital satellite broadcasting in any point in the world now.This digital satellite broadcasting, general with behind MPEG-2 form compression video/voice/additional data, transmit in digital mode via satellite; It has than other transmits the wider covering field of carrier, and owing to the identical broadcasts quality that is regardless of the region, the economy of satellite broadcasting net construction, the advantages such as simple property of satellite channel have obtained extensive use, becomes the main flow of charging broadcast industry now.
In addition, adopted CAS (Conditional Access System) in the above-mentioned receiver that can receive digital satellite broadcasting, limited the entrant who has only the charging broadcast net with this and just can receive signal.
Above-mentioned CAS, charging channel (the Pay PerChannel at satellite broadcasting outside the free or basic channel; PPC) or the system that manages of charge audiovisual (Pay Per View:PPV); By said system, the entrant who only authorizes proper signal reception approval could utilize smart card (Smart Card) to receive TV program and data, services signal that the broadcasting station coding sends.Here, PPC is the channel according to application, collects the service that can receive the channel correlation content after routine takes; PPV is each program calculates its time of reception by the time service.For this reason, CAS network operator issues smart card to the entrant.Smart card is called CAM (Conditional Access Module) again here.
With above-mentioned smart card is example, if charging channel, preserves the channel information that the user can audiovisual in the memory portion of card; If PPV just preserves use amount information.
Above-mentioned PPV service allows that the user buys film or competitive sports in advance.In other words, the user can buy the charge audiovisual material by smart card.
Therefore, in the time of need going out according to restriction receiving system network operator or receiver requirement, can from smart card, extract the information of preserving in advance; In addition, be provided with the deciphering function in the smart card, can carry out decoding processing, therefore play ' key ' function the separating in the read procedure of TV program of encoding to code signal.
And, in the above-mentioned digital satellite broadcasting, be not only program, also include programme distant information.In the digital satellite broadcasting such as DirecTV above-mentioned programme distant information is called APG (AdvacedProgram Guide); Then be called EPG (Electronic ProgramGuide) in the broadcasting of digital ground ripple.Above-mentioned programme distant information is the additional data information that helps user's audiovisual TV program, and the user need not directly obtain the information of relevant broadcast program now and future broadcast program by newspaper or other guiding medium by television image.
On the one hand, along with the raising of people's living standard, it is more normal that nearest one family has several TVs.
But in the prior art,, just satellite broadcast reception converter (IntegratedReeeiver﹠amp must be set on each TV if each TV in the one family all will receive digital satellite broadcasting; Decoder; IRD), but also to issue a plurality of smart cards, therefore increase user's burden greatly.In other words, in order to prevent non-entrant's illegal audiovisual, all to provide a smart card among each IRD.
In addition, the user is purchased to satellite broadcast service by both-way communication and buys the charge audiovisual material, for example when film, competitive sports etc., must possess modulator-demodulator; In the application of prior art, each IRD will be provided with a modulator-demodulator, has still increased user's cost burden.
In order to address the above problem, inventor of the present invention has applied for comprising the patent of the digital satellite broadcast reception converter of following content.(application numbers: 2003-38808, date of application: 2003.06.16; Abbreviate as below ' No. 38808 ') specify as follows: though do not possess display unit, be provided with modulator-demodulator; Being provided with on the ad-hoc location in the family simultaneously can tuning multichannel main frame, is arranged on handset in the separate space, that possess display unit then separately and receives tuned specific channel from above-mentioned main frame, and decode and show.
The family that has child now, too much that the audiovisual TV is represented worry to children; Because they worry that too much TV audio/video can influence child's normal study, and worry can make a very bad impression to child's eyesight or mood.
Particularly as above-mentioned ' No. 38808 ' digital satellite broadcast reception converter, each room all is provided with under the environment that handset or father and mother stay out, and is difficult to control children's TV audio/video.
Purpose of the present invention will solve above-mentioned this problem exactly, by digital satellite broadcast reception converter audiovisual duration control method provided by the invention, can be at similar above-mentioned ' No. 38808 ' digital satellite broadcast reception converter in, can set and control the audiovisual time of all handsets of comprising oneself by a handset.
Summary of the invention
In view of the foregoing, the object of the invention is to provide digital satellite broadcast reception converter audiovisual duration control method, this method can be at similar above-mentioned ' No. 38803 ' digital satellite broadcast reception converter in, by a handset audiovisual time of all handsets of comprising oneself is set, and by each handset audiovisual time of host computer control.
In order to achieve the above object, digital satellite broadcast reception converter audiovisual duration control method provided by the present invention utilizes the main frame of the modulator-demodulator of a plurality of channels of tuning reception simultaneously that has of digital satellite broadcast reception converter; Possess a plurality of handsets of carrying out the CAS device of authentification of user by smart card, described modulator-demodulator carries out demodulation respectively to the program of tuned channel, and then output; In display unit is arranged on each separate space, receive the program of specific channel from above-mentioned main frame, and after this is carried out decoding and displaying, and then transmit the channel selection or the purchase information of user's input to above-mentioned main frame.
Digital satellite broadcast reception converter audiovisual duration control method provided by the invention comprises that step is as follows:
(a) in a handset, the user sets effective audiovisual time of each handset that comprises above-mentioned handset by menu screen;
(b) each handset audiovisual time set information of setting in above-mentioned (a) step is sent in the above-mentioned main frame;
(c) after the audiovisual time set information of each handset transmitted in above-mentioned (b) step, main frame was preserved this, transmits corresponding audiovisual time set information to relevant handset then;
(d) in the above-mentioned main frame, effective audiovisual time of present time and each handset is compared, judge whether to exist the handset that exceeds effective audiovisual time range with this;
(e), will block disconnected program and transmit, and transmit effective audiovisual time and activate information to corresponding handset in case existence exceeds the handset of effective audiovisual time range;
(f) behind the mistake certain hour, forcibly close the power supply of corresponding handset.
In the above-mentioned steps (a), after the user selects to set the audiovisual time set menu item of each handset effective audiovisual time by menu screen, the user need input password, has only the user of the accurate password of input to select to set to above-mentioned audiovisual time set menu item.
Also comprise the steps: in the above-mentioned steps (a)
(S11) user selects to have set after the audiovisual time set menu item by above-mentioned menu screen, effective audiovisual time set project of the distinguished symbol of each handset of audiovisual time set screen displayed and selected handset;
(S12) in above-mentioned audiovisual time set picture, selection will be set the own distinguished symbol of audiovisual time;
(S13), set effective audiovisual time according to handset distinguished symbol selected in the above-mentioned steps.By the repeatable operation of above-mentioned steps, can oneself set its effective audiovisual time to any one.
Effective audiovisual time of selected handset distinguished symbol can be set time started and concluding time by above-mentioned audiovisual time set picture and selecting in the above-mentioned steps.
In above-mentioned steps, only set the audiovisual time started of selected handset distinguished symbol, when but not setting the concluding time, every day one to the audiovisual time, will carry out the reservation start-up command, connect the power supply of corresponding handset automatically.
In above-mentioned steps, do not set the audiovisual time started of selected handset distinguished symbol, when only setting the concluding time, every day one to the audiovisual concluding time, will carry out the reservation shutdown command, cut off the power supply of corresponding handset automatically.
Also comprise following step content in the above-mentioned steps (a):
(S21) user selects to have set after the audiovisual time set menu item by above-mentioned menu screen, effective audiovisual time set project of the distinguished symbol of each handset of audiovisual time set screen displayed and selected handset;
(S22) in above-mentioned audiovisual time set picture, a plurality of handset distinguished symbols that will set identical effective audiovisual time of disposable selection;
(S23) effective audiovisual time of selected a plurality of handset distinguished symbols in the setting above-mentioned steps.
Also comprise in above-mentioned (a) step:
(S31) user selects to set the audiovisual time menu item of each handset audiovisual time by above-mentioned menu screen, will show each the handset distinguished symbol that comprises ' all handsets ' project in the audiovisual time set picture and can set the selected handset project of effective audiovisual time;
(S32) select ' all handsets ' project in above-mentioned audiovisual time set picture, and the set-up function by effective audiovisual time, the handset that all and main frame is continuous is set identical effective audiovisual time for.
Above-mentioned steps (a) also comprises:
(S41) user selects to set the audiovisual time menu item of each handset audiovisual time by above-mentioned menu screen, will show each the handset distinguished symbol that comprises ' handset now ' project in the audiovisual time set picture and can set the selected handset project of effective audiovisual time;
(S42) in above-mentioned audiovisual time set picture, select ' handset now ' project, and set effective audiovisual time of above-mentioned present handset.
Above-mentioned (e) step receives in the handset of effective non-activation information of audiovisual time, shows the information of ' not being effective audiovisual time now ' by display unit.
Digital satellite broadcast reception converter audiovisual duration control method of the present invention is as follows:
(a) in a handset, the user sets effective audiovisual time of each handset that comprises above-mentioned handset by menu screen;
(b) each handset audiovisual time set information of setting in the above-mentioned steps (a) is sent in the above-mentioned main frame;
(c) after the audiovisual time set information of each handset transmitted in above-mentioned steps (b), main frame was preserved this, transmits corresponding audiovisual time set information to relevant handset then;
(d) in the above-mentioned main frame, present time information regularly is sent in each handset;
(e) in each handset, the present time information that main frame is sended over compares with the audiovisual time set information of oneself, judges whether to exceed effective audiovisual time range with this;
(f) in a single day be judged to be outside effective audiovisual time range, just can, will do not show the information of ' not being effective audiovisual time now ' in the display unit if the user does not carry out any input again from above-mentioned main frame program receiving;
(g) behind the mistake certain hour, forcibly close the power supply of corresponding handset.
Can to other purposes of the present invention, feature and benefit clearly understanding be arranged by detailed description with reference to accompanying drawing.
Tell about as the front, application by digital satellite broadcast reception converter audiovisual time method among the present invention, can make each handset that is arranged on a plurality of separate space receive the specific channel program of above-mentioned main frame demodulation by main frame demodulation simultaneously multichannel, and decode and show; At this moment, can on a handset, set the effective audiovisual time that comprises from any one interior handset; And on relevant handset or main frame,, control the audiovisual time of each handset according to the audiovisual time set value of each handset.Therefore can prevent the too much phenomenon of children's audiovisual TV programme.Particularly, each room all is provided with in the environment that handset or father and mother stay out, and can prevent the phenomenon of children's audiovisual TV programme without limit with this by host computer control child's the audiovisual time.
And, effectively can also support the reservation of each handset to start shooting or the shutdown function in the audiovisual time set; By the above-mentioned functions child that can fix a point to wake morning, then can prevent evening child see TV late excessively.
Description of drawings
Fig. 1 is the formation schematic block diagram of digital satellite broadcast reception converter among the present invention;
Fig. 2 is the detailed diagram of main frame among Fig. 1;
Fig. 3 a, Fig. 3 b are audiovisual time set menu screen instance graphs among the present invention;
Fig. 4 is the audiovisual time set process flow diagram among the present invention;
Fig. 5 a, Fig. 5 b are the example flow chart of passing through each handset audiovisual time of host computer control among the present invention;
Fig. 6 is by the draw oneself up flow chart of audiovisual time of each handset in the embodiment of the invention.
Symbol description
101: satellite antenna 102:LNB
103: multichannel switch 110: main frame
111: multichannel tuner 112: multichannel TP distributor
113:CPU 114: modulator-demodulator
115:EPG DB 116: main signal transceiver
120: handset
Embodiment
Can to other purposes of the present invention, feature and benefit clearly understanding be arranged by detailed description with reference to accompanying drawing.
With reference to the accompanying drawings, formation among the present invention and effect are described; Diagram is arranged in the drawing, and constitute and effect, will adopt an example at least according to the present invention that diagram describes; But technical thought of the present invention and core constitute and effect is not limited only to this.
Fig. 1 is above-mentioned ' No. 38808 ' in digital satellite broadcast reception converter constitute schematic block diagram, mainly comprise following parts: antenna 101 can receive the digital satellite broadcasting of high frequency; Low noise amplifier (Low Noise B1ock; LNB) 102, will carry out low noise amplification by the high frequency satellite-signal that above-mentioned antenna 101 receives and handle; Multichannel switch 103, the satellite-signal that above-mentioned LNB102 is exported is divided into majority, the line output of going forward side by side; Main frame 110, receive a plurality of satellite-signals that above-mentioned multichannel switch 103 is exported by each path, the channel that requires in each handset by the multichannel tuner carries out tuning demodulation then, and after converting transmission stream (TP) form to, exports to each handset again; A plurality of handsets 120 are arranged in each separate space, in the tuning channel of above-mentioned main frame 110, receive the channel that handsets require by above-mentioned main frame 110 and transmit stream, and understand, decode and show.
Fig. 2 is the detailed diagram of above-mentioned main frame 110, wherein is not provided with display unit (for example TV).In other words, main frame among Fig. 2 comprises: multichannel tuner 111, constitute by a plurality of tuners and demodulator (111a-111d), and receive the satellite RF signal of above-mentioned multichannel switch 103 outputs, and the channel that requires to each handset carries out tuning/demodulation simultaneously, exports with the TP form then; Multichannel TP distributor 112 transmits the TP signal of each tuner in the above-mentioned multichannel tuner 111 and demodulator output to each handset; Central processing unit (CPU) 113, the data communication between main control system and each handset is gone back in the whole work of main control system in addition; Main signal transceiver 116 receives the main frame TP signal that above-mentioned distributor 112 distributes by CPU113, and to each handset output, perhaps receives the signal of above-mentioned each handset output, and exports to CPU113; Modulator-demodulator 114 according to the requirement of each handset, adopts both-way communication with the satellite broadcasting transmitting terminal.
Here, each tuner in the above-mentioned multichannel tuner 111 and demodulator carry out demodulation with QPSK (Quadrature Phase Shift Keying) mode to the satellite-signal of tuned channel, convert the TP form to this.
Above-mentioned each oneself be to receive the TP signals from main frame 110, and revert to auxiliary IRD (the Integrated Receiver of original digitized photographic image and audio signal; Decoder); (for example, TV) link to each other, and satellite tuner is not installed in inside with the display unit that can show decoded video signal.
114 of above-mentioned modulator-demodulators are arranged in the main frame 110, if be connected signal transmission or signal reception with the satellite broadcast service merchant in each handset, and just must be by the modulator-demodulator 114 of main frame.In other words, above-mentioned main frame can independence ground send the purchase information of each handset to the satellite broadcast service merchant, and its result is retransferred in the corresponding handset.Owing to need not to be provided with modulator-demodulator in each handset, therefore can reduce user's cost burden.
In addition, if append the module that to carry out the multichannel decomposition function in the above-mentioned main frame 110, just can in above-mentioned main frame 110, pass through the multichannel decomposition function and resolve additional data information such as program guiding information, and in the memory 115 of main frame 110, form database (DB).At this moment, need not set up the database of relevant additional data information in each handset again.In other words, when specific handset required additional data information, main frame will read required information from the additional data information in the above-mentioned memory 115, and sends corresponding handset to.For convenience of explanation, abbreviate the program guiding of the DBization information that is kept at above-mentioned memory 115 as EPG DB.Like this, need not to set up separately the additional data information database in each handset, therefore can improve the service efficiency of memory; Because above-mentioned design can reduce the memory span in each handset, but also reduce user's cost burden.
Here, both can adopt wired connection between above-mentioned main frame 110 and each handset 120, but also can adopt wireless connections.If connect above-mentioned main frame and each handset, just need not use cable, so the setting of each handset and mobile becoming are more prone to wireless mode.Be illustrated as an example with the wireless communication mode between main frame and each handset among the present invention.
In addition, above-mentioned CAS device is arranged in each handset, and utilizes the smart card be inserted into above-mentioned CAS device to carry out user's registration and authentication, and can manage the information relevant with sequence, simultaneously can also degree of separating with coded data.Here, the smart card that is inserted in the CAS device is the comprehensive intelligent card (family smart card) that can unify to be applicable in each handset, is to be provided to the user according to registered handset quantity by the satellite broadcast service merchant.In other words, both can only register a user identity and password in the above-mentioned smart card, can also be by each handset registered user identity and password.
For example, when only registering an ID and password on the above-mentioned smart card, in any handset, carry out authentification of user by input ID and password.
If a smart card registration has go up by each sub ID and password, the ID and the password that have only input to coincide with it in corresponding handset just can obtain authentication.At this moment, can guarantee secret and safe between each handset.
In addition, when by handset registration sub-ID and password being arranged in the smart card, also can register main ID and the password that to accept authentification of user in any one handset.For example, above-mentioned main ID and password are ID and the passwords that is used by Protectors such as father and mother (below, abbreviate main user for convenience of explanation as), can be main ID and password with the ID and the password setting of main frame.In other words, sub-ID and password only could pass through authentification of user in corresponding handset, and main ID and password then can pass through authentification of user in all handsets; Therefore, as long as in a handset, passed through authentification of user, just can in this handset, set the audiovisual time to all handsets that comprise oneself with main ID and password.
At this moment, the user sets the audiovisual time to another handset on a handset, and above-mentioned handset will transmit the audiovisual time set value of handset to main frame.Then, main frame transmits set point to corresponding handset, and corresponding like this handset will cognitive audiovisual time set value to oneself.
In addition, in above-mentioned main frame,, can control the audiovisual time of corresponding handset according to the audiovisual time set value of each handset; Perhaps in each handset, according to the audiovisual time set value of oneself, the audiovisual time that draws oneself up.
If former instance, the audiovisual time that main frame is set all the time,, will interrupt the transmission of program in case find to surpass the handset of effective audiovisual time range in confirming each handset, transmit miscue information, the power supply that cuts off corresponding handset more after a period of time by force to this handset then.
If latter instance, each handset, will interrupt showing the program that receives from main frame in case find to surpass effective audiovisual time range all the time in the audiovisual time of confirming to set for oneself, shows miscue information then, cuts off the electricity supply by force after a period of time again.
Fig. 3 is a menu example displayed map of setting the audiovisual time among the present invention by a handset.In other words, optional handset in a plurality of handsets, the user shows by input units such as remote controllers as the menu screen of Fig. 3 a, and in the menu item of above-mentioned menu screen selection audiovisual time set project, at this moment will show the audiovisual time set picture as Fig. 3 b in the display unit.
Fig. 3 b is after the user selects audiovisual time set menu item among Fig. 3 a, sets example with relevant must value of audiovisual time by audiovisual time set picture.
In other words, in the audiovisual time set picture of Fig. 3 b, the user selects to set the handset of audiovisual time, but selects the audiovisual time of above-mentioned selected handset then.At this moment, will show the handset distinguished symbol that to distinguish each handset in the above-mentioned handset option.Here, above-mentioned each handset distinguished symbol can be set by the user, also can be by system's automatic setting.For example, the user can be arranged on handset in the child room with child's name or room title.
Then, set time started and concluding time, press acknowledgement key again, so just can finish the setting of selected handset audiovisual time.Effective audiovisual time set with handset 1 in Fig. 3 b setting example is to assign to 9: 30 6 pm 30.
At this moment, the user both can be that each handset sets different audiovisual time mutually, also can be that any one handset in above-mentioned most handsets is set audiovisual time, and can have with main frame for all/identical audiovisual time of handset setting of wireless connections.
In addition, the user both can only set the audiovisual time for the handset of carrying out present audiovisual time set, also can set the identical audiovisual time for a plurality of handsets.
If, for each handset is set different audiovisual during the time, at first to select to set the handset of audiovisual time, set the required audiovisual time then; As long as repeat said process, get final product by ' affirmation ' key again by each handset.At this moment, if do not want to set the audiovisual time, can select ' cancellation ' key.
In addition, for all handsets that link to each other with above-mentioned main frame are set identical audiovisual during the time, both can set, also the menu item that shows ' all handsets ' can be appended in the handset option of above-mentioned Fig. 3 b, set once with this by said process.In other words, in the handset option, select ' all handsets ', then set effective audiovisual time.
In addition, only set audiovisual during the time, as above-mentioned process, select present handset earlier, can set effective audiovisual time then for the handset of carrying out the audiovisual time set now; The menu item that perhaps will show ' handset now ' is appended in the handset option of Fig. 3 b, selects ' handset now ' again, then by effective audiovisual time set of present handset, only is that present handset is set the audiovisual time.At this moment, user's audiovisual time set becomes simple more and easy.
On the one hand, for a plurality of handsets are set identical audiovisual during the time, as above-mentioned, can set successively by each handset; Perhaps all handset distinguished symbols that link to each other with above-mentioned main frame are presented in the picture of Fig. 3 b, utilize a plurality of handsets of the disposable selection of remote controller then with pull-down pattern, then set effective audiovisual time of selected handset after, again the input ' affirmation '; Can set effective audiovisual time for most handsets of crossing once by said process.Here, identical in the process of selecting a plurality of equipment and the computer operation by the operating process of duplicating or deleting a plurality of files of disposable selection, so be not elaborated among the present invention.
At this moment, effective audiovisual time of each handset can only be set one as Fig. 3 b, perhaps also can set more than one according to designer's requirement.These can both be suitable for each handset in.For example, be effective audiovisual time set of handset 19: 30 30 minutes 6 pms to afternoon, can with effective audiovisual time set of handset B at 1 o'clock in afternoon to 2 pm, 6 pm to afternoon 9: 30 also.
On the one hand, utilize the audiovisual time set picture among above-mentioned Fig. 3 b also can carry out reservation start/shutdown function among the present invention.
For example, after the selection handset, only set the time started and but do not set the concluding time in the audiovisual time set picture of Fig. 3 b, when arriving setting during the time started, the power supply of corresponding handset is connection automatically so.This function can be applied as the alarm clock of waking child morning.
In addition, after the selection handset, do not set the time started in the audiovisual time set picture of above-mentioned Fig. 3 b, but only set the concluding time, so in a single day reach and set the concluding time, the power supply of corresponding handset can forcibly cut off.Utilize this function can send the information of ' sack time to ' to child, with this prevent children see TV phenomenon very late.
At this moment, in the menu screen of above-mentioned Fig. 3 a, when the user selects audiovisual time set menu item, must input password.When having only the user to import proper password, just show the menu screen as above-mentioned Fig. 3 b.This is in order to prevent that other users outside the main user from setting the audiovisual time without authorization.For example, suppose that registration has main ID and password on the above-mentioned smart card, have only the user of above-mentioned main ID of accurate input and password could select above-mentioned audiovisual time menu item so.Here, above-mentioned main ID and password can be suitable for the ID and the password of main frame.
Need only the input password in the example of the present invention and just can enter in the above-mentioned audiovisual time menu item hurdle, but, also can input ID and password, perhaps only import ID according to customer requirements.
And, the formation of the menu screen of Fig. 3 a, Fig. 3 b, audiovisual time set picture be one about example of the present invention; Be engaged in the people of correlative technology field, can suitably be out of shape this, therefore content of the present invention is not limited to above-mentioned example.
In addition, the setting of above-mentioned effective audiovisual time can select a handset to carry out from a plurality of handsets arbitrarily; Fig. 4 is exactly the example that shows this audiovisual time set process.
Fig. 4 sets the communication example between each handset in the process of effective audiovisual time at handset A for handset B.
For example, main user inserts smart card, the main ID of input and password in handset A, and by behind the authentification of user, effective audiovisual of the relevant handset B of process setting that be by above-mentioned Fig. 3 is during the time, and above-mentioned handset A sends effective audiovisual time set information of handset B to main frame.Above-mentioned main frame is preserved effective audiovisual time set information of the relevant handset B that receives earlier, and then is sent to handset B, and then handset B cognition is to the effective audiovisual time set information of oneself.At this moment, the above-mentioned effective audiovisual time set of each handset information of having set can be kept on the smart card.For example, above-mentioned smart card can be preserved ID and password and class information, effective audiovisual time set information etc. by handset with the platform form.So, by behind the authentification of user, specific handset can the cognitive automatically effective audiovisual time set information to oneself by smart card.
Fig. 5 is in the host computer control example flow chart of each handset audiovisual time; Fig. 5 a is the workflow diagram on the main frame; Fig. 5 b is the workflow diagram on each handset.
In other words, main frame will compare (step 501) with effective audiovisual time of each handset extract present time from the time information that the broadcasting station sends after; Judge whether to exist the handset (step 502) that exceeds effective audiovisual time range with this.If there is the handset that exceeds effective audiovisual time range, above-mentioned main frame just no longer transmits the video/speech data (step 503) of any program to corresponding handset.Then transmit non-activation information of effective audiovisual time (step 504) to corresponding handset.
From above-mentioned main frame, receive the handset (step 511) of non-activation information of effective audiovisual time, from receive information at once, no longer receive the instruction input of Any user, and in the picture of display unit, show the bulletin information (step 512) of ' not being effective audiovisual time ' with the OSD form, through (step 513) behind the certain hour, forcibly cut off the electricity supply (step 514).
At this moment,, receive in the handset of nonactive information, when showing the bulletin information of ' not being effective audiovisual time ', also can input password owing to exceed effective audiovisual time range.In other words, if the password of input is accurate, even be not effective audiovisual time range, this handset equally can normal decoder and demonstration related-program.By above-mentioned functions, main user is not subjected under the situation of effective audiovisual time restriction, can be in each handset audiovisual broadcast.At this moment, above-mentioned main password is main frame password or the password that is registered as main password.Equally, just be input as strength here and be illustrated,, can input ID and password simultaneously, also can only import ID according to user's requirement with password.
Fig. 6 is the flow chart of audiovisual time of drawing oneself up in each handset in the example of the present invention; Here, above-mentioned main frame extracts present time from the time information that the broadcasting station sends, and the present time that extracts is regularly sent to each handset.In addition, above-mentioned main frame carries out tuning/demodulation to the channel that specific handset requires, and is sent to then in each handset or the relevant handset (step 601).
Then, the present time that in each handset above-mentioned main frame is sent and own effective audiovisual time of setting in advance compare, and judge whether exceed effective audiovisual time range (step 602) now with this.
According to above-mentioned judged result, present time is in effective audiovisual time range the time, will receive the channel program that requires that above-mentioned main frame sends, and after the video/speech data of this program carried out the normality decoding, outputs to (step 603) in the display unit again.
If present time is judged as when exceeding effective audiovisual time range, just can not receive the channel program that requires that above-mentioned main frame sends, after perhaps receiving to display unit output (step 604).
Then, can show the bulletin information (step 605) of ' not being effective audiovisual time ' in the display unit picture, again (step 606), forcibly powered-down (step 607) after a period of time with the OSD form.
At this moment, exceed in the handset of effective audiovisual time range, when showing the bulletin information of ' not being effective audiovisual time ', also can input password; If the password of input is accurate, even be not effective audiovisual time range, this handset equally can normal decoder and demonstration related-program.
Claims (6)
1, a kind of audiovisual duration control method of digital satellite broadcast reception converter comprises that step is as follows:
(a) in a handset, the user sets effective audiovisual time of each handset that comprises above-mentioned handset by menu screen;
(b) each handset audiovisual time set information of setting in above-mentioned (a) step is sent in the above-mentioned main frame;
(c) after the audiovisual time set information of each handset transmitted in above-mentioned (b) step, main frame was preserved this, transmits corresponding audiovisual time set information to relevant handset then;
(d) in the above-mentioned main frame, effective audiovisual time of present time and each handset is compared, judge whether to exist the handset that exceeds effective audiovisual time range with this;
(e), will block disconnected program and transmit, and transmit effective audiovisual time and activate information to corresponding handset in case existence exceeds the handset of effective audiovisual time range;
(f) behind the mistake certain hour, forcibly close the power supply of corresponding handset.
2, the audiovisual duration control method method of digital satellite broadcast reception converter as claimed in claim 1 is characterized in that,
In the above-mentioned steps (a), after the user selects to set the audiovisual time set menu item of each handset effective audiovisual time by menu screen, the user need input password, has only the user of the accurate password of input to select to set to above-mentioned audiovisual time set menu item.
3, the audiovisual duration control method method of digital satellite broadcast reception converter as claimed in claim 1, described password are to be registered in the CAS device to insert with the main frame password on the smart card.
4, the audiovisual duration control method method of digital satellite broadcast reception converter as claimed in claim 1 also comprises:
The user selects to have set by above-mentioned menu screen after the audiovisual time set menu item, the distinguished symbol of each handset of audiovisual time set screen displayed and effective audiovisual time set project (S11) of selected handset;
In above-mentioned audiovisual time set picture, selection will be set the own distinguished symbol (S12) of audiovisual time;
According to handset distinguished symbol selected in the above-mentioned steps, set effective audiovisual time; By the repeatable operation of above-mentioned steps, can oneself set its effective audiovisual time (S13) to any one.
5, the audiovisual duration control method method of digital satellite broadcast reception converter as claimed in claim 1 also comprises:
The user selects to have set by above-mentioned menu screen after the audiovisual time set menu item, the distinguished symbol of each handset of audiovisual time set screen displayed and effective audiovisual time set project (S21) of selected handset;
In above-mentioned audiovisual time set picture, a plurality of handset distinguished symbols (S22) that will set identical effective audiovisual time of disposable selection;
Set effective audiovisual time (S23) of a plurality of handset distinguished symbols selected in the above-mentioned steps.
6, the audiovisual duration control method method of digital satellite broadcast reception converter as claimed in claim 1, wherein
Described main frame has the modulator-demodulator of a plurality of channels of tuning reception simultaneously;
Described modulator-demodulator carries out demodulation respectively to the program of tuned channel, and then output;
Described handset possesses the CAS device that carries out authentification of user by smart card, receives the program of specific channel and carries out decoding and displaying from above-mentioned main frame, transmits the channel selection or the purchase information of user's input then to above-mentioned main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100533623A CN1735146A (en) | 2004-08-02 | 2004-08-02 | Audiovisual time control method for multi-machine digital satellite broadcast receiver |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2004100533623A CN1735146A (en) | 2004-08-02 | 2004-08-02 | Audiovisual time control method for multi-machine digital satellite broadcast receiver |
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| CN1735146A true CN1735146A (en) | 2006-02-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729822A (en) * | 2008-10-30 | 2010-06-09 | 康佳集团股份有限公司 | Information prompt method and device for television and television |
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- 2004-08-02 CN CNA2004100533623A patent/CN1735146A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729822A (en) * | 2008-10-30 | 2010-06-09 | 康佳集团股份有限公司 | Information prompt method and device for television and television |
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