CN105677064A - Capacitance pen - Google Patents
Capacitance pen Download PDFInfo
- Publication number
- CN105677064A CN105677064A CN201511029247.7A CN201511029247A CN105677064A CN 105677064 A CN105677064 A CN 105677064A CN 201511029247 A CN201511029247 A CN 201511029247A CN 105677064 A CN105677064 A CN 105677064A
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- Prior art keywords
- communication module
- transmit
- receive unit
- capacitance
- capacitance pen
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Near-Field Transmission Systems (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention provides a capacitance pen (10) comprising a penholder (100); a pen head (101); a transmit-receive unit (102) arranged on the pen head (101); a first communication module (103) accommodated in the penholder (100); and a second communication module (104) accommodated in the penholder (100). The first communication module (103) is connected to the transmit-receive unit (102) and communicates with a capacitive touchpad by means of capacitive coupling between the transmit-receive unit (102) and the capacitive touchpad. The second communication module (104) is connected to the transmit-receive unit (102) and carries out wireless communication with other terminal devices by means of the transmit-receive unit (102).
Description
Technical field
The present invention relates to capacitance pen, particularly relate to a kind of capacitance pen possessing radio communication function.
Background technology
Along with the development of information technology, the electronic equipment of such as portable mobile apparatus is closely related all the more with the life of people. This portable mobile apparatus can receive the input of user, and performs the desired function of user according to this input. As the input equipment receiving user's input, contactor control device is widely used with little, lightweight, the easily operated advantage of its volume.
Contactor control device is broadly divided into two kinds, resistance type touch control device and capacitive touch device. Resistance type touch control device cost is low, easily fabricated, but can only support singly to refer to operation. The operability of capacitive touch device is relatively strong, support refers to function more, thus becomes the first-selection of current contactor control device.
Capacitance touch-control device includes capacitance touch screen, and capacitance touch screen can carry out perception finger (or stylus) and touch the capacitance variations that causes by being distributed in orthogonal electric capacity figure thereon, thus measuring touch location and touching intensity. Capacitance touch screen can be in the transparent panel before capacitance touch-control device, it is also possible to is opaque human-machine interaction board.
Owing to the electric conductor of the screen perception that can be touched needs bigger contact area, so the problem that location is forbidden can be caused, it not ideal to the support of pen simultaneously always. It is therefore expected that capacitance touch-control device can support writing of pen, at least include the functions such as very thin nib, unsettled sensing, precise positioning, pressure sensitivity be accurate.
Actively capacitance pen solves the problems referred to above, it be a kind of with capacitance touch screen with the use of capacitance pen. Actively capacitance pen can send the high-voltage pulse signal Tong Bu with capacitance touch screen, enhances capacitive sensing, such that it is able to reduce contact area, fine point clearly enhances Consumer's Experience simultaneously.
Fig. 1 illustrates the schematic diagram of the active capacitance pen of prior art and the operation principle of capacitance touch-control device.
As it is shown in figure 1, the contactor control device of prior art includes: panel, it is configured with the mutually orthogonal parallel capacitance pole plate for receiving and transmitting signal; Sending capacitor plate, it is arranged on the panel, is used for being sent out probing wave; Pen 11, it passes through synchronization and the command information that nib receiving panel sends, and sends signal wave again through nib to described panel; Receiving capacitor plate, it is arranged on the panel, for receiving the probing wave of described transmission capacitor plate and the signal wave of described pen; Analogy signal processing unit, it sends respective waveforms according to the capacitor plate controlling processing unit selection, or pretreatment is from receiving capacitor plate signal; Controlling processing unit 14, pretreated reception signal is digital signal by AD conversion by it, and obtains touch location by process, obtains the position of pen when pen is capacitance pen and information that pen returns.
Visible, capacitance pen and capacitance touch control board carry out the mutual mode of information be mostly by Trackpad between Capacitance Coupled realize, namely interacted by the nib metal structure of position and capacitance touch control board. It is simple and reliable that the advantage of this mode is that interface hardware circuit and software control, but the shortcoming simultaneously brought be can communication distance very short (generally only several millimeters to tens millimeters), beyond can causing disconnecting because capacitance touch control board does not receive signal that capacitance pen nib sends after communication distance.
In order to solve above-mentioned problem, in some capacitance pens, insert wireless communication module. When capacitance pen beyond above-mentioned can communication distance time, if needing to collect capacitance pen button now or pressure sensitivity data thus carrying out control (saying the functions such as the page turning of solution preocess medium-long range remote control such as PPT) accordingly, so that it may by the mode such as bluetooth, ZigBee, WiFi, desired data is transferred to terminal unit.
But, in order to increase radio communication function in capacitance pen, it is necessary to arrange the antenna (being generally microstrip antenna or the ceramic antenna) transmitting-receiving for wireless communication signals on Internal PCB. And under normal circumstances, in order to simplify the structure of capacitance pen simultaneously in order to ensure the good earth of capacitance pen, the penholder of capacitance pen is generally designed to all-metal or part metals structure. Therefore, in order to enable the antenna transceiving data effectively on pcb board, it is necessary to carry out special structure treatment on metal shell, it is to avoid affect communication quality because of the shielding action of metal shell.
Above-mentioned special structure treatment such as includes being divided into metal shell two parts, mid portion corresponding with antenna on shell to adopt nonmetal structure linking. Or directly adopt nonmetal structure to carry out the shell of design capacitance pen. Although adopting the design that nonmetal structure is connected two parts metal structure can avoid degradation problem under communication quality, but the structural strength of capacitance pen can be made to be greatly reduced. And adopt the nonmetallic mode of semimetal half, while structural strength reduces, the impact of performance is also comparatively obvious.
Effectively reducing that capacitance pen communication quality is affected at the same time it can also be simplify structure, strengthen the design of structural strength accordingly, it would be desirable to a kind of.
Summary of the invention
In view of metal penholder can reduce communication quality, but not metal penholder can reduce the problem of structural strength of capacitance pen, the invention provides a kind of capacitance pen, including: penholder; Nib; It is positioned at the Transmit-Receive Unit of described nib; Being contained in the first communication module in described penholder, it is connected to described Transmit-Receive Unit and utilizes the Capacitance Coupled between described Transmit-Receive Unit and capacitance touch control board to communicate with described capacitance touch control board; Being contained in the second communication module in described penholder, it is connected to described Transmit-Receive Unit and utilizes described Transmit-Receive Unit to carry out radio communication as antenna and other-end equipment.
Preferably, described first communication module includes transmitter unit, for launching signal via described Transmit-Receive Unit to described capacitance touch control board; And described capacitance pen also includes switching circuit, described switching circuit is between described first communication module, described second communication module and described Transmit-Receive Unit, when the voltage of the signal that described transmitter unit is launched exceedes the pressure scope of described second communication module, described switching circuit switches the connection of described first communication module and described second communication module and described Transmit-Receive Unit.
Preferably, described switching circuit includes metal-oxide-semiconductor or analog switch.
Preferably, described first communication module includes transmitter unit, for launching signal via described Transmit-Receive Unit to described capacitance touch control board; And described capacitance pen also includes processor, when the voltage of the signal that described transmitter unit is launched exceedes the pressure scope of described second communication module, described processor realizes described first communication module and the time division multiplex of described second communication module; When the voltage of the signal that described transmitter unit is launched is not less than the pressure scope of described second communication module, described processor realizes described first communication module and the frequency division multiplexing of described second communication module.
Preferably, described Transmit-Receive Unit includes metal penpoint.
Preferably, described Transmit-Receive Unit includes coupling coil.
Preferably, described Transmit-Receive Unit includes coupling annulus.
Preferably, described Transmit-Receive Unit includes the metallic object that is separately provided.
Capacitance pen provided by the invention, by the Transmit-Receive Unit of nib is multiplexed with the antenna of wireless communication module, both can exchange data with Trackpad, it is possible to carry out radio communication with other electronic equipments. Owing to the antenna of wireless communication module is arranged on nib position, namely outside penholder, so the penholder of capacitance pen could be arranged to all-metal, the radio communication quality of capacitance pen will not be impacted, thus the structural strength of capacitance pen can be sufficiently high.
Accompanying drawing explanation
Fig. 1 is the capacitance pen schematic diagram with the operation principle of capacitance touch-control device of prior art;
Fig. 2 illustrates the structured flowchart of the capacitance pen of embodiment of the present invention;
Fig. 3 illustrates the coupling coil of the capacitance pen of embodiment of the present invention;
Fig. 4 is the circuit connection diagram of the capacitance pen of embodiment of the present invention;
Fig. 5 is the circuit connection diagram of the capacitance pen of another embodiment of the present invention.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, below in conjunction with the drawings and specific embodiments, capacitance pen provided by the invention is described in detail. In the drawings, for element identically or comparably, mark identical label. Hereinafter being only the preferred forms of the capacitance pen of the present invention, the present invention is not limited in following structure.
With reference to Fig. 2, the capacitance pen 10 of the present invention includes: penholder 100; Nib 101; It is positioned at the described Transmit-Receive Unit of written 101 102; Being contained in the first communication module 103 in penholder 100, it is connected to Transmit-Receive Unit 102 and utilizes the Capacitance Coupled of Transmit-Receive Unit 102 and capacitance touch control board and capacitance touch control board to communicate (as described with reference to FIG. 1); Being contained in the second communication module 104 in penholder 100, it is connected to Transmit-Receive Unit 102 and carries out radio communication via Transmit-Receive Unit 102 and other-end equipment (not shown).
Penholder 100 is generally the structure of hollow, is internally provided with various control circuit. It addition, penholder 100 can be metal, it is outside that the Transmit-Receive Unit owing to being multiplexed with antenna is positioned at penholder 100, so, communication quality will not be impacted by metal penholder 100. Nib 101 is arranged on one end of penholder 100, and nib 101 moves in capacitance touch control board, utilizes Capacitance Coupled principle and capacitance touch control board to communicate. In order to realize Capacitance Coupled, or nib 101 itself is metallic object, or arranges coupling coil when nib 101 is insulator for nib 101, as shown in Figure 3. The part that in Fig. 3, rectangle frame surrounds is exactly coupling coil.
In an embodiment of the invention, Transmit-Receive Unit 102 is metal penpoint. The first communication module 103 being arranged in penholder 100 utilizes metal penpoint to realize the information input function of capacitance pen 10; The second communication module 104 being arranged in penholder 100 utilizes metal penpoint to realize radio communication function as antenna.
In yet another embodiment of the present invention, Transmit-Receive Unit 102 is coupling coil. The first communication module 103 being arranged in penholder 100 utilizes coupling coil to realize the information input function of capacitance pen 10; The second communication module 104 being arranged in penholder 100 utilizes coupling coil to realize radio communication function as antenna.
In yet another embodiment of the present invention, Transmit-Receive Unit 102 is coupling annulus. The first communication module 103 being arranged in penholder 100 utilizes coupling annulus to realize the information input function of capacitance pen 10; The second communication module 104 being arranged in penholder 100 utilizes coupling annulus to realize radio communication function as antenna.
Fig. 3 illustrates the coupling coil 102 at nib 101 place being positioned at capacitance pen 10 in this embodiment.
In yet another embodiment of the present invention, Transmit-Receive Unit 102 is the metallic object being separately provided. The first communication module 103 being arranged in penholder 100 utilizes this metallic object to realize the information input function of capacitance pen 10; The second communication module 104 being arranged in penholder 100 utilizes this metallic object to realize radio communication function as antenna.
In this article, radio communication includes bluetooth, ZigBee, WiFi etc.
As it has been described above, Transmit-Receive Unit 102 doubles as the coupling Transmit-Receive Unit of first communication module 103 and the radio antenna of second communication module 104. In this case, when carrying out interaction with capacitance touch control board, capacitance pen 10 is generally 20V to the voltage of the signal that capacitance touch control board is launched, and the withstanding voltage scope of second communication module 104 is usually below 15V. Therefore the circuit of second communication module 104 may be damaged, so to take measures when necessary to protect.
Actively capacitance pen can be divided into following several: 1) first communication module 103 only has reception unit, for receiving the signal from capacitance touch control board; 2) first communication module 103 has transmitter unit simultaneously and receives unit, is respectively used to launch signal to capacitance touch control board and receive signal from capacitance touch control board; 3) first communication module 103 has the unit being integrated with emission function and receive capabilities.
For the first capacitance pen, it is possible to arrange switching circuit to switch first communication module 103 and the work of second communication module 104, but be more preferably not provided with switching circuit, but first communication module 103 and second communication module 104 are directly connected to. First communication module 103 and second communication module 104 can be simultaneously connected with Transmit-Receive Unit 102 and be operated, for instance, work in the way of frequency division multiplexing simultaneously, be independent of each other.
For the second capacitance pen, it is possible to there are two kinds of selections: the unit that receives of first communication module 103 is used as the antenna of second communication module 104 by (1), in this case similar with the first capacitance pen; (2) transmitter unit of first communication module 103 is used as the antenna of second communication module 104; in this case; if the voltage of the signal that transmitter unit is launched has exceeded the withstanding voltage scope (being all generally so) of second communication module 104; then need to arrange the work of switching circuit transmitter unit and second communication module 104 to switch first communication module 103 and then protection second communication module 104.
For the third capacitance pen; if the voltage of the signal that the transmitter unit of first communication module 103 is launched has exceeded the withstanding voltage scope of second communication module 104; then need to arrange the work of switching circuit transmitter unit and second communication module 104 to switch first communication module 103 and then protection second communication module 104.
Referring to Fig. 4 and Fig. 5; illustrate to include transmitter unit at first communication module 103; and the voltage of the signal that this transmitter unit is launched needs protection second communication module 104 when having exceeded the withstanding voltage scope of second communication module 104 time, the structure of the capacitance pen of the present invention.
Fig. 4 is the circuit connection diagram of the capacitance pen of one embodiment of the present invention.
As shown in Figure 4, the capacitance pen of one embodiment of the present invention includes the switching circuit 105 that is arranged between first communication module 103, second communication module 104 and Transmit-Receive Unit 102.
In the diagram, illustrate in order to convenient, illustrate only part penholder 100. Should be appreciated that first communication module 103, second communication module 104 and switching circuit 105 are all located in penholder 100.
Switching circuit 105 switches the connection between first communication module 103 and second communication module 104 and Transmit-Receive Unit 102, thus the circuit protected in second communication module 104. Switching circuit 105 according to the signal carrying out sensor (not shown) judge capacitance pen will or with which kind of mode of operation. Such as, sensor can be the key-press input of user, whether receive the signal etc. of capacitive touch screen.
Specifically, when switching circuit 105 and such as judging that capacitance pen to communicate with capacitive touch screen according to the signal received from capacitive touch screen, first communication module 103 is switched to and is connected with Transmit-Receive Unit 102 by switching circuit 105, thus first communication module 103 utilizes Transmit-Receive Unit 102 to produce Capacitance Coupled as coupling element with capacitive touch screen, and then carry out data exchange.
On the other hand, when switching circuit 105 and such as judging that capacitance pen to carry out radio communication according to the key-press input of user, second communication module 104 is switched to and is connected with Transmit-Receive Unit 102 by switching circuit 105, thus second communication module 104 utilizes Transmit-Receive Unit 102 to carry out radio communication as antenna and other electronic equipments.
In embodiments of the present invention, switching circuit 105 can be such as metal-oxide-semiconductor or analog switch etc.
In order to realize the purpose of protection, what Fig. 4 utilized is carry out hardware between first communication module 103 and second communication module 104 to connect the scheme of switching. However, it is also possible to do not carry out hardware to connect switching, and control to realize by software.
Fig. 5 is the circuit connection diagram of the capacitance pen of another embodiment of the present invention.
As it is shown in figure 5, the capacitance pen 10 of one embodiment of the present invention includes processor 106. Processor 106 according to the signal carrying out sensor (not shown) judge capacitance pen will or with which kind of mode of operation. Such as, sensor can be the key-press input of user, whether receive the signal etc. of capacitive touch screen.
Specifically; when according to the signal received from capacitive touch screen, processor 106 such as judges that capacitance pen to communicate with capacitive touch screen; processor 106 controls second communication module 104 and quits work; thus first communication module 103 can utilize Transmit-Receive Unit 102 to produce Capacitance Coupled as coupling element with capacitive touch screen; and then carry out data exchange; second communication module 104 will not receive high-voltage signal simultaneously, it is achieved thereby that the protection to second communication module 104.
On the other hand, when according to the key-press input of user, processor 106 such as judges that capacitance pen to carry out radio communication, processor 106 controls the transmitter unit of first communication module 103 and quits work, thus second communication module 104 can utilize Transmit-Receive Unit 102 to carry out radio communication with other electronic equipments safely as antenna.
Fig. 5 has illustrated situation first communication module 103 and second communication module 104 being controlled by single processor 106. However, it is also possible to respectively first communication module 103 and second communication module 104 arrange respective processor.
In this case, the processor of first communication module 103 controls with carrying out corresponding coordination. When first communication module 103 works, the processor of first communication module 103 is communicated by the processor of the communication mode such as GPIO or SPI, I2C Yu second communication module 104, the processor of second communication module 104, when judging that first communication module 103 or will launch high-voltage signal, controls second communication module 104 and first communication module 103 time division multiplex.
It is presented above two kinds of embodiments that the circuit in second communication module 104 is protected; but protection scope of the present invention is not limited to both modes; as long as it can be avoided that the high-voltage signal that the transmitter unit of first communication module 103 is launched damages the circuit in second communication module 104, both falling within protection scope of the present invention.
Such as, when hardware connects, if first communication module 103 only includes reception unit, it is also possible to arrange switching circuit.
Again such as, when software controls, if the transmitter unit of first communication module 103 launches high-voltage signal, it is possible to so that second communication module 104 quits work.
Principle that embodiment of above is intended to be merely illustrative of the present and the illustrative embodiments that adopts, but the invention is not limited in this. For those skilled in the art, without departing from the spirit and substance in the present invention, it is possible to make various modification and improvement. These modification and improvement are also considered as protection scope of the present invention.
Claims (8)
1. a capacitance pen (10), including:
Penholder (100);
Nib (101);
It is positioned at the Transmit-Receive Unit (102) of described nib (101);
Being contained in the first communication module (103) in described penholder (100), it is connected to described Transmit-Receive Unit (102) and utilizes the Capacitance Coupled between described Transmit-Receive Unit (102) and capacitance touch control board to communicate with described capacitance touch control board;
Being contained in the second communication module (104) in described penholder (100), it is connected to described Transmit-Receive Unit (102) and utilizes described Transmit-Receive Unit (102) to carry out radio communication as antenna and other-end equipment.
2. capacitance pen (10) as claimed in claim 1, wherein, described first communication module (103) includes transmitter unit, for launching signal via described Transmit-Receive Unit (102) to described capacitance touch control board; And
Described capacitance pen (10) also includes switching circuit (105), described switching circuit (105) is positioned between described first communication module (103), described second communication module (104) and described Transmit-Receive Unit (102), when the voltage of the signal that described transmitter unit is launched exceedes the pressure scope of described second communication module (104), described switching circuit (105) switches the connection of described first communication module (103) and described second communication module (104) and described Transmit-Receive Unit (102).
3. capacitance pen (10) as claimed in claim 2, wherein, described switching circuit (105) includes metal-oxide-semiconductor or analog switch.
4. capacitance pen (10) as claimed in claim 1, wherein, described first communication module (103) includes transmitter unit, for launching signal via described Transmit-Receive Unit (102) to described capacitance touch control board; And
Described capacitance pen (10) also includes processor (106), when the voltage of the signal that described transmitter unit is launched exceedes the pressure scope of described second communication module (104), described processor (106) realizes described first communication module (103) and the time division multiplex of described second communication module (104); When the voltage of the signal that described transmitter unit is launched is not less than the pressure scope of described second communication module (104), described processor (106) realizes described first communication module (103) and the frequency division multiplexing of described second communication module (104).
5. capacitance pen (10) as claimed in claim 4, wherein, described Transmit-Receive Unit (102) includes metal penpoint.
6. capacitance pen (10) as claimed in claim 4, wherein, described Transmit-Receive Unit (102) includes coupling coil.
7. capacitance pen (10) as claimed in claim 4, wherein, described Transmit-Receive Unit (102) includes coupling annulus.
8. capacitance pen (10) as claimed in claim 4, wherein, described Transmit-Receive Unit (102) includes the metallic object being separately provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511029247.7A CN105677064B (en) | 2015-12-31 | 2015-12-31 | capacitance pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511029247.7A CN105677064B (en) | 2015-12-31 | 2015-12-31 | capacitance pen |
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| Publication Number | Publication Date |
|---|---|
| CN105677064A true CN105677064A (en) | 2016-06-15 |
| CN105677064B CN105677064B (en) | 2018-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511029247.7A Active CN105677064B (en) | 2015-12-31 | 2015-12-31 | capacitance pen |
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| CN (1) | CN105677064B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107823794A (en) * | 2017-12-01 | 2018-03-23 | 苏州景昱医疗器械有限公司 | The program control transponder of touch screen pen type, program control device and Implanted medical system |
| CN108008841A (en) * | 2016-10-28 | 2018-05-08 | 翰硕电子股份有限公司 | Capacitance pen with double emission electrodes |
| CN109814739A (en) * | 2019-01-29 | 2019-05-28 | 东莞市乐鑫光电科技有限公司 | A kind of active capacitance pen |
| CN113126784A (en) * | 2019-12-30 | 2021-07-16 | 浙江智加信息科技有限公司 | Operation terminal suitable for flat panel operation and operation method thereof |
| CN113138680A (en) * | 2020-01-16 | 2021-07-20 | 华为技术有限公司 | Writing pen |
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| US20130029625A1 (en) * | 2011-07-27 | 2013-01-31 | Samsung Electronics Co., Ltd. | Integrated antenna and sensor element apparatus for a portable wireless terminal |
| CN104484063A (en) * | 2014-12-10 | 2015-04-01 | 北京汉王鹏泰科技有限公司 | Active capacitance pen and touch device |
| CN104536596A (en) * | 2014-12-17 | 2015-04-22 | 汉王科技股份有限公司 | Active type capacitive pen, touch control device and method for automatically recognizing capacitive touch control panel |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20130029625A1 (en) * | 2011-07-27 | 2013-01-31 | Samsung Electronics Co., Ltd. | Integrated antenna and sensor element apparatus for a portable wireless terminal |
| CN104484063A (en) * | 2014-12-10 | 2015-04-01 | 北京汉王鹏泰科技有限公司 | Active capacitance pen and touch device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008841A (en) * | 2016-10-28 | 2018-05-08 | 翰硕电子股份有限公司 | Capacitance pen with double emission electrodes |
| CN107823794A (en) * | 2017-12-01 | 2018-03-23 | 苏州景昱医疗器械有限公司 | The program control transponder of touch screen pen type, program control device and Implanted medical system |
| CN109814739A (en) * | 2019-01-29 | 2019-05-28 | 东莞市乐鑫光电科技有限公司 | A kind of active capacitance pen |
| CN113126784A (en) * | 2019-12-30 | 2021-07-16 | 浙江智加信息科技有限公司 | Operation terminal suitable for flat panel operation and operation method thereof |
| CN113126784B (en) * | 2019-12-30 | 2022-12-13 | 浙江智加信息科技有限公司 | Operation terminal suitable for flat panel operation and operation method thereof |
| CN113138680A (en) * | 2020-01-16 | 2021-07-20 | 华为技术有限公司 | Writing pen |
| WO2021143423A1 (en) * | 2020-01-16 | 2021-07-22 | 华为技术有限公司 | Stylus |
| CN113138680B (en) * | 2020-01-16 | 2023-02-14 | 华为技术有限公司 | Writing pen |
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|---|---|
| CN105677064B (en) | 2018-11-02 |
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| CB03 | Change of inventor or designer information |
Inventor after: Liu Yang Inventor before: Liu Yang Inventor before: Xiang Guowei Inventor before: Wu Songlin Inventor before: Yan Xiang |
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Effective date of registration: 20180723 Address after: 100193 three, 5 Building 8, northeast Wang Xi Road, Haidian District, Beijing. Applicant after: Hanwang Tech Co., Ltd. Address before: 100193 363, 3 floor, 5 building, 8 Northeast Road, Haidian District, Beijing. Applicant before: BEIJING HANVON PENGTAI TECHNOLOGY CO., LTD. |
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