CN104484063B - Active capacitance pen and contactor control device - Google Patents
Active capacitance pen and contactor control device Download PDFInfo
- Publication number
- CN104484063B CN104484063B CN201410754296.6A CN201410754296A CN104484063B CN 104484063 B CN104484063 B CN 104484063B CN 201410754296 A CN201410754296 A CN 201410754296A CN 104484063 B CN104484063 B CN 104484063B
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- touch screen
- nib
- signal
- capacitance pen
- active capacitance
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Classifications
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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)
- Position Input By Displaying (AREA)
Abstract
The invention provides active capacitance pen and contactor control device.The active capacitance pen (11) includes：The nib (21) being made of an electrically conducting material；The nib (22) being made of an electrically conducting material, it is around the nib (21)；Switch unit (34), it to realize switching between multiple touch-control agreements according to the instruction received；Control unit (35), according to the switching between the multiple touch-control agreement, make in the nib (21) and written (22) at least one interacts with the touch screen for it.
Description
Technical field
The present invention relates to contactor control device, more particularly to active capacitance pen and contactor control device.
Background technology
With the development of information technology, the electronic equipment of such as portable mobile apparatus and the life of people phase close all the more
Close.This portable mobile apparatus can receive the input of user, and perform the desired function of user according to the input.As
Receive user input input unit, contactor control device with its small volume, it is in light weight, easily operated the advantages of and be widely used.
Contactor control device is broadly divided into two kinds, resistance type touch control device and capacitive touch device.Resistance type touch control device into
This is low, easily fabricated, but can only support singly to refer to operation.The operability of capacitive touch device is relatively strong, support to refer to function more,
Thus as the first choice of current contactor control device.
Capacitance touch-control device includes capacitance touch screen, and capacitance touch screen can be by being distributed orthogonal electric capacity figure thereon
To perceive capacitance variations caused by finger (or stylus) touch, so as to measure touch location and touch intensity.Capacitance touch screen can
To be transparent panel or the opaque human-machine interaction board before the capacitance touch-control device.
Because the electric conductor that can be perceived by touch-screen needs larger contact area, so can cause positioning is inaccurate to ask
Topic, while the support to pen is not ideal always.It is therefore expected that capacitance touch-control device can support the writing of pen, extremely
Include very thin nib, hanging sensing, precise positioning, the pressure sensitivity function such as accurately less.
Active capacitance pen solves above mentioned problem, and it is a kind of capacitance pen being used cooperatively with capacitance touch screen.Actively
Formula capacitance pen can send the high-voltage pulse signal synchronous with capacitance touch screen, enhance capacitive sensing, be connect so as to reduce
Contacting surface is accumulated, while fine point clearly enhances Consumer's Experience.
Fig. 1 shows the schematic diagram of the operation principle of the active capacitance pen and capacitance touch-control device of prior art.
As shown in figure 1, the contactor control device of prior art includes：Panel, the mutually orthogonal transmitting-receiving that is used for is configured with thereon and is believed
Number parallel capacitance pole plate；Capacitor plate is sent, it is set on the panel, for being sent out probing wave；Pen 11, it is logical
Synchronization and the command information of nib receiving panel transmission are crossed, then signal wave is sent to the panel by nib；Receive capacitance pole
Plate, it is set on the panel, for receiving the probing wave of the transmission capacitor plate and the signal wave of the pen；Simulation letter
Number processing unit, it sends respective waveforms according to the capacitor plate of control process Unit selection, or pretreatment is from receiving
Capacitor plate signal；Control process unit 14, pretreated reception signal is data signal by AD conversion by it, and is passed through
Processing obtains touch location, and the position of pen and the information of pen passback are obtained in the case where pen is main dynamic condenser pen.
Because all capacitive touch screens can all send measured waveform in position fixing process on capacitor plate, so available
This sends waveform and communicated as order with active capacitance pen, reaches synchronous or order transmission purpose.
Meanwhile capacitive touch screen also all has the ability for receiving feedback waveform, so can also be sent out with active capacitance pen
Waveform is sent to allow capacitive touch screen to position or receive data.
But the agreement thousand of measurement used in the manufacturer of current capacitance touch-control device and support active capacitance pen is poor
Ten thousand not, certain inconvenience are caused to user in use.Therefore, it is necessary to providing one kind can support at present on the market
Most of capacitance touch-control devices active capacitance pen.
The content of the invention
In view of problem above, the present invention proposes a kind of general active capacitance pen solution party for different touch-control manufacturers
Case, to ensure that user can not have to worry the problem of compatible on various touch screens using active capacitance pen, so as to improve
Consumer's Experience.
An aspect of of the present present invention provides a kind of active capacitance pen, including：The nib being made of an electrically conducting material；By conduction material
Written made of material, it is around the nib；Switch unit, the instruction that its basis receives cause reality between multiple touch-control agreements
Now switch；Control unit (35), it is controlled in the nib and the nib according to the switching between the multiple touch-control agreement
At least one interacted with the touch screen.
Another aspect provides a kind of and above-mentioned matching used contactor control device of active capacitance pen.
The present invention active capacitance pen ensure user can on various touch screens using and without worry compatibility ask
Topic, so as to improve Consumer's Experience.
Brief description of the drawings
Accompanying drawing is included to provide a further understanding of the present invention.What accompanying drawing was not necessarily to scale, only
It is to provide schematic structure.
Fig. 1 be prior art active capacitance pen and capacitance touch-control device operation principle schematic diagram.
Fig. 2 is the schematic diagram of the operation principle of the active capacitance pen of the present invention.
Fig. 3 is the structural representation according to the active capacitance pen of first embodiment of the invention.
Fig. 4 is according to the active capacitance pen of second embodiment of the invention and the communication protocol of touch screen.
Embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Active capacitance pen provided by the invention and contactor control device are described in detail formula.In the drawings, for identical or phase
When inscape, mark identical label.It is only the preferred forms of the active capacitance pen of the present invention below, the present invention is not
It is only limitted to following structures.
Fig. 2 is the schematic diagram of the operation principle of the active capacitance pen of the present invention.
As shown in Fig. 2 in the present embodiment, the reception of pen 11 and transmitting portion are by nib 21, nib 22, radome 23
Form.Nib 21 is located in radome 23, is elongated electric conductor.Nib 22 is to surround radome 23 outside radome 23
Electric conductor.Because nib 21 and nib 22 are electric conductor, thus receiving electrode 26 with touch screen, between sender electrode 27
Coupled capacitor 25 and 24 can be formed respectively, and the purpose for receiving and sending signal can be realized by coupled capacitor 25 and 24.Screen
Cover cover 23 to keep apart nib 21 and nib 22, to prevent interfering between nib 21 and nib 22.
Because nib 21 and nib 22 are respectively provided with the function of receiving and send signal, so can both be received by nib 22
The signal of touch screen, signal is sent from nib 21 to touch screen；The signal of touch screen can also be received by nib 21, by nib
22 send signal to touch screen.For some touch screen manufacturers, it may not be necessary to receiving portion, only transmitting portion
Complete positioning and data transfer.
The following detailed description of embodiments of the present invention.
[first embodiment]
Fig. 3 is the structural representation according to the active capacitance pen of first embodiment of the invention.
As shown in figure 3, the active capacitance pen 11 of first embodiment include nib 21, nib 22, receive amplification module 30,
Process circuit 31, decoding circuit 32, upgrading mouth 33, toggle switch 34, controller 35, measuring pressure key circuit 36, switch 37, liter
Press sending module 38 and switching switch 39a and 39b.
All active capacitance pen agreements of structure compatible shown in Fig. 3.Below so that nib 22 is received, nib 21 is carried out
The workflow of active capacitance pen 11 is described exemplified by transmission.
It should be understood that controller 35 can control switching switch 39a and 39b according to the agreement of touch-screen, so as to
The various transmissions of selection nib 22, nib 21 receive mode.
The signal that nib 22 receives is raw by being provided to process circuit 31 and decoding circuit 32 after receiving amplification module 30
Controller 35 is fed back into data signal.The reception signal can be the spy of the order that touch screen is sent or non-order
Survey signal or other signals.Controller 35 reads and judges the reception signal.
If the reception signal is command signal, corresponding work is completed in the control of controller 35.If the reception signal is survey
Pressure buttons order, then controller 35 is controlled to measuring pressure key circuit 36 to perform the measurement of correlation, and records number
According to.If the reception signal is sends positioning signal order, the control of controller 35 boosts sending module 38 to perform positioning signal
Transmission.If the reception signal is postbacks data command, controller 35 controls boosting sending module 38, according to the agreement of formulation
To perform the transmission of measurement data.
In general, capacitive touch screen in order to preferably position nib and receive data, it is necessary to nib send signal electricity
Pressure amplitude degree is far above the voltage amplitude of controller work, so needing the sending module 38 that boosts.
Structure shown in Fig. 3 is the universal architecture of main dynamic condenser pen, for different touch screen manufacturers, because agreement is different,
Workflow can be different.
The active capacitance pen agreement to current main flow is simply introduced below.
The agreement of current all active capacitance pens is all combined by several working methods：A. individually send but do not connect
Receive；B. individually receive but do not send；C. receive and postback timesharing progress；D. receive and postback while carry out.This several work side
The combination of formula can cover all active capacitance pen agreements.It should be noted that reception here refers to that the reception of broad sense comes
The transmission signal of self-capacitance pole plate.The transmission signal is probably order, it is also possible to other signals as defined in agreement.
The active capacitance pen of first embodiment can compatible above-mentioned working method, lower mask body is described.
For A：Controller 35 can will receive amplification module 30, process circuit 31, decoding circuit 32 and be turned off, direct root
According to agreement, signal is sent to nib 21 according to the sequential of regulation in the defined time.
For B：Controller 35 can will boosting sending module 38 close, according to agreement receive command signal, then via
Process circuit 31 and decoding circuit 32 are supplied to after receiving amplification module 30, controller 35 is finally provided to and carries out follow-up work.
For C：Receive command signal, then via receive amplification module 30 after be supplied to process circuit 31 and decoding circuit
32.Decoding circuit 32 produces data signal and feeds back to controller 35.After controller 35 is judged, according to agreement sequential by needs
Signal waveform be supplied to boosting sending module 38.
Carried out due to receiving and postbacking timesharing, individually can receive and send using written 22 (or nibs 21).Typically
It is that written 22 (or nibs 21) are constantly in reception state, waits Wait Order.After order is received, controller 35 judges the order.
Judgement, which is over, switches to transmission state, then is transmitted.Transmission, which is over, to be continued to switch to reception state, waits new life to be received
Order.The sequential sent and received can be set so that in the absence of conflict.It is of course also possible to nib 21 and nib 22 receive simultaneously,
Send simultaneously, can so strengthen the intensity for receiving and sending.
For D：Controller 35 closes the switch 37 for connecting process circuit 31 and the sending module 38 that boosts, after amplification
Reception signal is supplied directly to the sending module 38 that boosts.And controller 35 also receives order and performs corresponding control simultaneously.
Switching for touch-screen agreement, a kind of mode are that active capacitance pen 11 receives the signal from touch-screen, and root
Interacted according to the different touch-screen agreement of the signal behavior with touch-screen.But alternatively, can based on dynamic condenser pen 11
Toggle switch 34 is set, as shown in figure 3, user can manually operate according to oneself understanding to the touch-screen to be used
Toggle switch 34, thus switch to corresponding touch-screen agreement.
In addition, in order that the active capacitance pen 11 of present embodiment adapts to the agreement of different touch screen manufacturers, in actively electricity
Hold and upgrading mouth 33 is provided with pen 11, as shown in Figure 3.It can be USB port or other ports to upgrade mouth 33.User can utilize
Upgrade mouth 33 for different touch screen manufacturers come the new contactor control device agreement of firmware updating and/or addition.
Simultaneously as controller 35 needs compatible all agreements, and protocol section has similar content.So can be
The compatibility of different agreement identity function is realized in the memory (not shown) of controller 35, so as to reach saving memory space
Purpose.
[second embodiment]
Illustrate the course of work of the active capacitance pen of the present invention referring to Fig. 4.Fig. 4 is implemented according to the present invention second
The example of the active capacitance pen of mode and the communication protocol of touch screen.
It should be noted that in Fig. 4, and it is nib or pen not differentiate between the specific object to be communicated with touch-screen
Head, preferably individually communicated by nib or nib with touch-screen.However, can according to the structure of above-mentioned first embodiment
Know, the course of work here contains situations below：(1) nib is sent, nib receives；(2) nib is sent, nib receives；(3)
Nib is sent, nib receives；(4) nib is sent, nib receives.
As shown in figure 4, touch screen sends positioning signal order, it is different long that the positioning signal order is represented as certain frequency
The envelope waveform of degree.After pen (nib or nib, similarly hereinafter) receives the positioning signal order, responded in numerical time.
As shown in figure 4, when a length of T of positioning signal order.Pen receives the high-tension pulse that several certain frequencies are continuously transmitted after this is ordered
Envelope signal (positioning signal) is rushed, so that touch screen can obtain the position of pen by this signal.Touch screen receives the positioning
A length of 2T measuring command when being sent after signal.Pen will not send any waveform after receiving this order, but can be in certain time
Data necessary to the pressure of interior measurement nib and button etc..
A length of 3T data command when touch-screen is sent.After pen receives the order, according to the agreement formulated with touch screen
Postback data.As shown in figure 4, pen sends certain frequency and duration t high pressure envelope represents 1 or 0.That is, if having in envelope
Pulse then represents 1, does not represent 0 then.
Above second embodiment is that the present invention is directed to a kind of implementation of agreement, and the present invention can also be directed to various
Other agreements of various kinds adjust director demon, and manufacturer is controlled to adapt to different touch chips.
Principle that embodiment of above is intended to be merely illustrative of the present and the illustrative embodiments used, but this hair
It is bright to be not limited thereto.For those skilled in the art, the feelings of spirit and substance of the present invention are not being departed from
Under condition, various changes and modifications can be made therein.These variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of active capacitance pen (11) interacted with touch screen, including：
The nib (21) being made of an electrically conducting material；
The nib (22) being made of an electrically conducting material, it is around the nib (21)；
Switch unit (34), it to realize switching between multiple touch-control agreements according to the instruction received, wherein, the touch-control association
View includes：Active capacitance pen, which sends signal to touch screen but do not receive signal, active capacitance pen that touch screen is sent, receives touch-control
Shield the signal sent but do not send signal, the signal that active capacitance pen reception touch screen is sent to touch screen and sent to touch screen
The signal and send signal to touch screen while carry out that signal timesharing progress, active capacitance pen reception touch screen are sent；
Control unit (35), it controls the nib (21) and the nib according to the switching between the multiple touch-control agreement
(22) at least one and touch screen in interacts.
2. active capacitance pen (11) according to claim 1, wherein, described control unit (35) is controlled so that institute
State nib (21) or written (22) send signal from the touch screen reception signal and to the touch screen.
3. active capacitance pen (11) according to claim 1, wherein, described control unit (35) is controlled so that institute
State nib (21) and written (22) send signal from the touch screen reception signal and to the touch screen.
4. active capacitance pen (11) according to claim 1, wherein, described control unit (35) is controlled so that institute
State nib (21) and send signal to the touch screen from the touch screen reception signal, the nib (22).
5. active capacitance pen (11) according to claim 1, wherein, described control unit (35) is controlled so that institute
State written (22) and send signal to the touch screen from the touch screen reception signal, the nib (21).
6. active capacitance pen (11) according to claim 1, wherein, the switch unit (34) is dialling for user's operation
Dynamic switch, the instruction is operation of the user to the toggle switch.
7. active capacitance pen (11) according to claim 1, wherein, the instruction comes from the touch screen.
8. the active capacitance pen (11) according to any one in the claims, wherein, described control unit (35) is also
Including memory cell, the multiple touch-control agreement is stored with the memory cell, wherein, phase between the multiple touch-control agreement
Same or similar part is only stored once.
9. active capacitance pen (11) according to claim 8, in addition to upgrade port (33), wherein, pass through the upgrading
Port (33) can be directed to different touch screen firmware updatings and/or add new touch-control agreement.
10. a kind of contactor control device, including active capacitance pen (11) and the touch screen interacted, wherein, the active capacitance pen
(11) include：
The nib (21) being made of an electrically conducting material；
The nib (22) being made of an electrically conducting material, it is around the nib (21)；
Switch unit (34), it to realize switching between multiple touch-control agreements according to the instruction received, wherein, the touch-control association
View includes：Active capacitance pen, which sends signal to touch screen but do not receive signal, active capacitance pen that touch screen is sent, receives touch-control
Shield the signal sent but do not send signal, the signal that active capacitance pen reception touch screen is sent to touch screen and sent to touch screen
The signal and send signal to touch screen while carry out that signal timesharing progress, active capacitance pen reception touch screen are sent；
Control unit (35), it makes the nib (21) and the nib according to the switching between the multiple touch-control agreement
(22) at least one and touch screen in interacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410754296.6A CN104484063B (en) | 2014-12-10 | 2014-12-10 | Active capacitance pen and contactor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410754296.6A CN104484063B (en) | 2014-12-10 | 2014-12-10 | Active capacitance pen and contactor control device |
Publications (2)
| Publication Number | Publication Date |
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| CN104484063A CN104484063A (en) | 2015-04-01 |
| CN104484063B true CN104484063B (en) | 2017-11-24 |
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| CN201410754296.6A Active CN104484063B (en) | 2014-12-10 | 2014-12-10 | Active capacitance pen and contactor control device |
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Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104536596B (en) * | 2014-12-17 | 2018-01-19 | 汉王科技股份有限公司 | Active capacitance pen, contactor control device and the automatic method for distinguishing capacitance touching control panel |
| CN107533390B (en) * | 2015-04-20 | 2021-05-28 | 株式会社和冠 | System and method for two-way communication between a stylus and a stylus sensor controller |
| CN104991795B (en) * | 2015-06-19 | 2018-11-02 | 汉王科技股份有限公司 | The firmware upgrade method and device of active capacitance pen |
| CN105677064B (en) * | 2015-12-31 | 2018-11-02 | 汉王科技股份有限公司 | capacitance pen |
| CN105955526A (en) * | 2016-04-22 | 2016-09-21 | 汉王科技股份有限公司 | Touch device |
| CN106325554B (en) * | 2016-08-18 | 2023-04-07 | 汉王科技股份有限公司 | Capacitive pen, manufacturing method thereof, pen point assembly and touch device |
| CN106125967A (en) * | 2016-08-26 | 2016-11-16 | 上海芯什达电子技术有限公司 | A kind of electronic pen |
| CN106775020A (en) * | 2016-12-26 | 2017-05-31 | 汉王科技股份有限公司 | capacitance pen |
| TWI644237B (en) * | 2018-03-08 | 2018-12-11 | 幸芯科技有限公司 | Active stylus device |
| CN110727356B (en) | 2018-06-28 | 2021-08-20 | 京东方科技集团股份有限公司 | Active pen, touch input system and driving method |
| CN111742324A (en) * | 2019-12-25 | 2020-10-02 | 深圳市汇顶科技股份有限公司 | Code printing method, code printing device, active pen and code printing system |
| CN110851006B (en) * | 2020-01-16 | 2020-05-19 | 深圳市千分一智能技术有限公司 | Touch pen mode switching method, device and equipment and readable storage medium |
| CN113138680B (en) * | 2020-01-16 | 2023-02-14 | 华为技术有限公司 | Writing pen |
| CN111580690B (en) * | 2020-04-28 | 2023-09-08 | 深圳市千分一智能技术有限公司 | Touch pen mode switching method and device, touch pen and readable storage medium |
| JP7535917B2 (en) | 2020-08-18 | 2024-08-20 | 株式会社ワコム | Active Pen |
| CN114327102B (en) * | 2021-12-06 | 2023-07-21 | 深圳市千分一智能技术有限公司 | Protocol switching method, device, equipment and computer readable storage medium |
| CN115599231B (en) * | 2022-11-29 | 2023-04-07 | 天津希格玛微电子技术有限公司 | Control method of active capacitance pen and active capacitance pen |
| CN118377388A (en) * | 2023-01-16 | 2024-07-23 | 敦泰电子（深圳）有限公司 | Signal transmission method and touch screen |
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| CN104484063A (en) | 2015-04-01 |
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Effective date of registration: 20180717 Address after: 100193 three, 5 Building 8, northeast Wang Xi Road, Haidian District, Beijing. Patentee after: Hanwang Tech Co., Ltd. Address before: 100193 363, 3 floor, 5 building, 8 Northeast Road, Haidian District, Beijing. Patentee before: BEIJING HANVON PENGTAI TECHNOLOGY CO., LTD. |