CN103970379B - Utilize on panel can sensing signal with the system and method communicated - Google Patents
Utilize on panel can sensing signal with the system and method communicated Download PDFInfo
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- CN103970379B CN103970379B CN201310041196.4A CN201310041196A CN103970379B CN 103970379 B CN103970379 B CN 103970379B CN 201310041196 A CN201310041196 A CN 201310041196A CN 103970379 B CN103970379 B CN 103970379B
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Abstract
The present invention provide a kind of utilize on panel can sensing signal with the system and method communicated, this system includes a panel, at least one can sensing signal detector unit and a control unit.This panel has a surface to show an image, and at least one region on this surface can show that one can the change of sensing signal.This at least one sensing signal detector unit can coupled to this at least one region, with detect this at least one region can the change of sensing signal, and produce the detection signal of correspondence.This control unit is connected to this, and at least one can sensing signal detector unit.Wherein, can the change produced detection signal of sensing signal be to represent corresponding data mode by detect this at least one region, obtain the data mode that this at least one region is transmitted according to this.
Description
Technical field
The present invention relates to the technical field of panel, particularly relate to a kind of utilize on panel can sensing signal to communicate
System and method.
Background technology
Modern consumption electronic installation many outfits Trackpad is as one of its input equipment, light, thin, short, little for meeting
Trend, Trackpad is also mostly and panel is integrated into contact panel, in order to facilitate user to input.
Trackpad can be divided into resistance-type, condenser type, acoustic wave and optical profile type etc. four kinds according to the difference of sensing principle.Touch
The know-why of control panel is: when finger or other media touch screen, according to different induction modes, detects voltage, electricity
Stream, sound wave or infrared ray etc., measure the coordinate position of touch point with this.Such as resistance-type is and utilizes upper and lower interelectrode electricity
Potential difference, calculates compression point position to detect touch point place.Capacitance type touch-control panel is transparency electrode and the people utilizing arrangement
Capacitance variations produced by electrostatical binding between body, detects its coordinate from produced curtage.
Fig. 1 is the schematic diagram of the driving of existing capacitance type touch-control panel.As it is shown in figure 1, the driving of capacitance type touch-control panel
Dynamic is to drive one n × m contact panel 120, and wherein, n, m are the integer more than 1.One controller 110 is sequentially in a direction
Conductor lines X1, X2, X3 ... above produce a driving signal Vin, via wire X1, X2, X3 ... and the leading of another direction
Body line Y1, Y2, Y3 ... between Inductance and Capacitance (mutual capacitance), coupling electric charge enter conductor lines Y1, Y2,
Y3 ....Controller 110 by m sensing circuit (not shown) to measure electric charge, and then generation voltage signal.
Fig. 2 is the structural representation of existing capacitance type touch-control panel, as shown in Figures 1 and 2, this conductor lines X1, X2,
X3 ... and Y1, Y2, Y3 ... being made up of (121,122,123,124) the sensor conductor of rhombus, the sensing of this rhombus is led
Body 121,122, is respectively provided with Inductance and Capacitance 201 between 123,124, and 202,203,204, wherein, this Inductance and Capacitance 201,202,
203,204 is not entity capacitance, but the sensor conductor 121 of this rhombus, the Inductance and Capacitance between 122,123,124.
Fig. 3 and Fig. 4 is existing capacitance type touch-control panel finger schematic diagram when contact panel, when not having earth conductor
Or finger is when contact panel 120, Inductance and Capacitance C(x, y)Size be Cm0.When having earth conductor or finger near touch surface
During plate, conductor lines X1 can be disturbed, X2, X3 ... and conductor lines Y1, Y2, Y3 ... between electric lines of force, and make conductor lines X1,
X2, X3 ... and conductor lines Y1, Y2, Y3 ... between electric lines of force reduce, and then the size that can affect Inductance and Capacitance (is assumed to connect
When touching, size is Cm1), sensing circuit is changed by Inductance and Capacitance and measures electric charge, and then produces voltage signal.
Refer again to Fig. 1, Fig. 3 and Fig. 4, when finger is near sensor conductor (121,122,123, the 124) institute of contact panel
During the areas adjacent formed, when this controller 110 produces a driving signal Vin in conductor lines X2, when time T1, owing to leading
Body line X2 and conductor lines Y1 junction do not have finger or earth conductor, and this controller 110 can detect a high potential.Due to conductor
There are finger or an earth conductor in line X2 and conductor lines Y2 junction, and make conductor lines X2 and conductor lines Y2 junction have one virtual to connect
Ground, and make the electric lines of force at this reduce, this controller 110 can detect an electronegative potential, that is this controller 110 can detect
One touch point, and its position is in conductor lines X2 and conductor lines Y2 junction.It is noted that this finger or earth conductor are the most straight
Contact conductor lines, but via protection glass (cover of lens).Similarly, due to conductor lines X2 and conductor lines Y3
Junction does not has finger or earth conductor, and this controller 110 can detect a high potential, can detect on contact panel accordingly
Multiple touch a little.
Universal along with intelligent mobile phone and panel computer, intelligent mobile phone and panel computer are often provided with multi-point touch
Touch Screen.Meanwhile, intelligent mobile phone and panel computer are then frequently by interfaces such as USB, SD, bluetooths with peripheral device even
Connect.In these have the handheld apparatus of Touch Screen, do not utilize the characteristic of Touch Screen to carry out the transmission of data,
In the most existing display panels and crt screen, the most do not utilize the characteristic of screen with the phase carried out data transmission
Pass technology.Therefore, the real space still having improvement of the short range transmission technology of the existing handheld apparatus with Touch Screen.
Summary of the invention
The purpose of the present invention mainly provide a kind of utilize on panel can sensing signal with the system communicated and side
Method, to utilize a plate to carry out data transmission.
According to an aspect of the present invention, the present invention propose a kind of utilize on panel can sensing signal to communicate
System, including a panel, at least one can sensing signal detector unit and a control unit.This panel has a surface with aobvious
Showing an image, at least one region on this surface can show that one can the change of sensing signal.This at least one can sensing signal detection
Unit coupled to this at least one region, with detect this at least one region can the change of sensing signal, and produce the detection of correspondence
Signal.This control unit is connected to this, and at least one can sensing signal detector unit.Wherein, by detecting this at least one region
Can detect, produced by the change of sensing signal, the data mode that signal is expression correspondence, thus obtain this at least one region and passed
Defeated data mode.
According to a further aspect in the invention, the present invention propose a kind of utilize on panel can sensing signal to communicate
Method, the method is to be applied to a panel, this panel have a surface with show an image, at least one can sensing signal detection
Unit coupled at least one region on this surface and a control unit is connected to this at least one can sense news signal detection list
Unit, the method comprises the following steps: A) show that at least one region on this surface one can the change of sensing signal；B) this at least one
Individual can sensing signal detector unit detect this at least one region can the change of sensing signal, and produce the detection signal of correspondence；
And C) this control unit receives this detection signal, this detection signal is in order to represent corresponding data mode, to obtain this at least
The data mode that one region is transmitted.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the driving of existing capacitance type touch-control panel.
Fig. 2 is the structural representation of existing capacitance type touch-control panel.
Fig. 3 and Fig. 4 is existing capacitance type touch-control panel finger schematic diagram when contact panel.
Fig. 5 be the present invention utilize on panel can the schematic diagram of the sensing signal system to communicate.
Fig. 6 is the schematic diagram of another embodiment of the present invention.
Fig. 7 is the schematic diagram of another embodiment of touch communication system of the present invention.
Fig. 8 is the schematic diagram of the another embodiment of touch communication system of the present invention.
Fig. 9 be the present invention a kind of utilize on panel can the flow chart of the sensing signal method to communicate.
Figure 10 is step C of the present invention) detail flowchart.
Figure 11 and Figure 12 is the schematic diagram of the bag of the present invention.
Wherein, reference:
110 controllers
120 contact panels
121,122,123,124 sensor conductors
201,202,203,204 electrifications hold
500 utilize on panel can sensing signal with the system communicated
510 panels
520 can sensing signal detector unit
530 control units
511 surfaces
513 regions
540 at least two conducting strips
550 controllers
541,542,543,544 conducting strip
531,532,533 interface
560 trianglees
521,522,523,524,525 light detection or color detection circuitry
Step A) ~ step C) step C1) step C5).
Detailed description of the invention
The present invention a kind of utilize on panel can sensing signal with the system and method that communicates mainly by
On panel can sensing signal to communicate.Panel can be a display panels, a crt screen or a touch screen
Curtain.
Fig. 5 be the present invention utilize on panel can the schematic diagram of the sensing signal system 500 to communicate, this system
500 include a panel 510, at least one can sensing signal detector unit 520, control unit 530.
This panel 510 has a surface 511 to show an image, and at least one region 513 on this surface can show that one can feel
Survey the change of signal.
At least one sensing signal detector unit 520 can coupled to this at least one region 513, to detect this at least one region
520 can the change of sensing signal, and produce the detection signal of correspondence.
This control unit 530 is connected to this, and at least one can sensing signal detector unit 520.Wherein, by detecting this extremely
A few region 513 can the change produced detection signal of sensing signal be to represent corresponding data mode, thus obtain should
The data mode that at least one region is transmitted.
This can sensing signal when being luminance signal, this at least one can sensing signal detector unit 520 be following wherein it
One: photodiode, photoconductive resistance and photoswitch.
When can sensing signal can be the brightness in this at least one region 513 shown by this at least one region 513, and at least one
Individual can sensing signal detector unit 520 can be an optical detection circuit (such as: photodiode, photoconductive resistance, photoswitch etc.).Extremely
Few one sensing signal detector unit 520 can be detected the brightness in this at least one region 513, and such as this at least one region 513 shows
Show black/white pattern, the 0/1 of logic can be represented.
When this can sensing signal be grayscale signal time, this at least one can sensing signal detector unit 520 be following wherein
One of: photodiode, photoconductive resistance and photoswitch.This at least one region 513 can show different GTGs, can represent different
Logical combination, such as quadravalence GTG, can represent that logical value 00/01/10/11, eight rank GTGs can represent logical value 000/001/
010/011/100/101/110/111, can the rest may be inferred.
At least one sensing signal detector unit 520 can use the photoconductive resistance of cadmium sulfide (CdS), its resistance value scope
About between 2K Ω ~ 20K Ω.Then when it senses that this at least one region 513 shows white pattern, the resistance value of photoconductive resistance
For close to 2K Ω, and when this at least one region 513 shows black pattern, the resistance value of photoconductive resistance is close to 20K Ω.Utilize
This characteristic, actual can make a light sensing switch, and be connected to the GPIO interface of this control unit 530, corresponding to receive
Logical zero/1 is worth, and realizes the purpose of data transmission.
When this can sensing signal be color signal time, this at least one can sensing signal detector unit 520 be color sensing
Device.Shown by this at least one region 513 can sensing signal can be the color in this at least one region 513, and at least one can be felt
Surveying detecting signal unit 520 can be a color detection circuitry, such as color sensor.At least one can sensing signal detector unit
520 interpretation can go out different colors, then are understood the logical value represented by different colours by this control unit 530, and then realize number
According to transmission purpose.Such as display display black/white pattern can represent the 0/1 of logic, again or such as red green blue/can distinguish in vain
Representing logical value 00/01/10/11, the rest may be inferred.
As a example by the coffret color sensor as I2C, when sensing the different colours of display, this control unit
530 can be read the trichromatic conversion value stored by the internal R/G/B depositor of this color sensor, this control list by I2C interface
Unit 530 can judge the logical value represented by color in this at least one region 513 according to this, and realizes the purpose of data transmission.
As shown in the above description, the technology of the present invention may utilize on panel 510 can sensing signal to communicate.This
Bright technology also apply be applicable to contact panel.As shown in Figure 6, Fig. 6 is the schematic diagram of another embodiment of the present invention.I.e. when this panel
510 is a contact panel, and this system 500 further includes at least two conducting strip 540.This at least two conducting strip 540 electrically connects
To this control unit 530, and it is attached on this surface 511 of this touch surface 510 plate, to position this at least one region 513.
This contact panel 510 has a controller 550, and the surface 511 of above-mentioned contact panel 510 is to receive multiple making
The touch point that user's finger or other objects touch.This controller 550 is for being electrically connected to this contact panel 510, to receive
The data of the multiple touch points on this contact panel 510.It is to say, this controller 550 is connected to this contact panel 510, use
To calculate the coordinate of this at least two conducting strip 540 being attached on this touch surface 510 plate, and according to this at least two conducting strip
The coordinate of 540 calculates the position in this at least one region 513.
This controller 550, according to the position in this at least one region 513, can sense so that this at least one region 513 produces this
The change of signal.
This control unit 530 yuan by switching to electrical connection or non-electrical between any two by this at least two conducting strip 540
Gas connects so that this controller 550 detects should the coordinate of at least two conducting strip 540.
And by this control unit 530 by this at least two conducting strip 540 between any two switch to electrical connection or non-electrical
Gas connects, make this contact panel 510 detect to should the different number of touch point of at least two conducting strip 540, in order to table
Show multiple data mode, thus the plurality of data mode is transmitted to this controller 550.
As shown in Figure 6, when this at least two conducting strip 540 is two conducting strips 540,541,540,542, and by this control
Unit 530 processed, by these two conducting strips 540,541,540, switches to above-mentioned electrical connection so that this contact panel between 542
The coordinates of 510 two touch points of detection, and this at least one region 513 is positioned at the center of these two touch points.
As shown in Figure 6, this at least two conducting strip 540 is two conducting strips 541,542.This conducting strip 541 is for being arranged at
Conductor lines X on this surface 511i+1With conductor lines YjJunction, this conducting strip 542 is then arranged at conductor lines X on this surface 511i+3
With conductor lines YjJunction.Non-electrical is switched to connect by this control unit 530 between these two conducting strips 541,542,
This contact panel 510 is made zero touch point to be detected, to represent one first data mode Sa, should by this control unit 530
Switch to electrical connection between two conducting strips 541,542, make this contact panel two touch points be detected, to represent one second
Data mode Sb.
Connecting for non-electrical between these two conducting strips 541,542, these two conducting strips 541,542 are suspension joint
(floating), thus this contact panel 510 upper conductor line X will not be madei+1With conductor lines YjThe electric lines of force of junction reduces.
For electrical connection between these two conducting strips 541,542, and when this controller 550 is in conductor lines Xi+1Upper product
A raw driving signal Vin, owing to conductor lines Xi+3 is electronegative potential, principle as shown in Figure 4, this conducting strip 542 is because of conductor lines Xi+3
And virtual ground, these two conducting strips 541,542 are electrical connection simultaneously, therefore this conducting strip 541 virtual ground, and then can be made this
Contact panel 510 upper conductor line Xi+1With conductor lines YjThe electric lines of force of junction reduces in a large number.This controller 550 can detect one
Electronegative potential, that is this controller 550 can detect a touch point, and its position is in conductor lines Xi+1With conductor lines YjJunction.
When this controller 550 is in conductor lines Xi+3Upper generation one drives signal Vin, due to and conductor lines Xi+1For electronegative potential,
Therefore this conducting strip 541 virtual ground, these two conducting strips 541,542 are electrical connection simultaneously, therefore this conducting strip 542 is the most virtual
Ground connection, this can make this contact panel 510 upper conductor line Xi+3With conductor lines YjThe electric lines of force of junction reduces.This controller 550 meeting
An electronegative potential being detected, namely this controller 550 can detect another touch point, and its position is in conductor lines Xi+3With lead
Body line YjJunction.
This control unit 530 is preferably a micro-control unit (Micro Control Unit, MCU), this micro-control unit
There are two general output input (general purpose input/output, GPIO) interfaces 531,532.These two general
Input and output interfaces 531,532 is respectively connecting to this two conducting strips 541,542, when these two general input and output interfaces 531,
532 for output electronegative potential time, this control unit 530 turns on, make between these two conducting strips 541,542 for electrical connection, when this
Two general input and output interfaces 531,532 non-for output electronegative potential time, this control unit 530 is not turned on, these two conducting strips
541, connect for non-electrical between 542.
Fig. 7 is the schematic diagram of another embodiment of touch communication system of the present invention.This at least two conducting strip 540 is three leads
Electricity sheet 541,542,543, and between these three conducting strips 541,542,543, switch to above-mentioned electricity by this control unit 530
Gas connects so that this contact panel 510 detects the coordinate of three touch points, and this at least one region 513 is positioned at this three touch-controls
The center of point.
As it is shown in fig. 7, this at least two conducting strip 540 is three conducting strips 541,542,543, by this control unit
These three conducting strips 541,542,543 are the most all switched to non-electrical to connect by 530, make this contact panel 510 detect
Zero touch point, in order to represent an initial state (S), by this control unit 530 by these three conducting strips 541,542,543
Only two conducting strips switch to electrical connection, make this contact panel two touch points be detected, in order to represent one first data
These three conducting strips 541,542,543 are the most all switched to electrical connection by this control unit 540 by state (Sa),
This contact panel is made three touch points to be detected, in order to represent one second data mode (Sb).Wherein, these three conducting strips 541,
542,543 is to form a triangle 560 on the surface 511 of this contact panel 510.
This control unit 530 is preferably a micro-control unit (Micro Control Unit, MCU), this micro-control unit
530 have three general output input (general purpose input/output, GPIO) interfaces 531,532,533, use
To be respectively connecting to this three conducting strips 541,542,543.In other embodiments, it is possible to use this micro-control unit 530
Ground connection (ground) interface also may be used.
When these three general input and output interfaces 531,532,533 are suspension joint (floating), these three conducting strips
541,542,543 is the most all that non-electrical connects, and this contact panel 510 detects zero touch point.When three general defeated
When going out input interface 531,532,533 only any two interface for output electronegative potential, two corresponding conducting strip electrical connections, should
Contact panel 510 detects two touch points.When three general input and output interfaces 531,532,533 are output electronegative potential
Time, corresponding three conducting strips 541,542,543 are the most all electrical connection, and this contact panel 510 detects that three are touched
Control point.
Refer to shown in Fig. 7, this at least one region 513 is provided in this triangle 560 again.This controller 550 passes through
Different brightness or color is shown, to send data to this control unit 530 corresponding to this at least one region 513.This control
Device 550 can pass through the position of these three conducting strips 541,542,543 detected, and judges the position of this triangle 560, and then
Determine this at least one region 513.
Owing to contact panel 510 is generally located on a display floater (not shown), this controller 550 can at this at least
The position in one region 513 drives this display floater to produce different brightness or color, makes contact panel surface 511 show different bright
Degree or color, at least one can sensing signal detector unit 520 detect different brightness shown by this contact panel surface 511 or
Color, to produce the data mode of correspondence respectively, such as logical zero and logic 1, therefore, this controller 550 can send data to
This switch control unit 530.
Fig. 8 is the schematic diagram of the another embodiment of touch communication system of the present invention.This at least two conducting strip 540 is four leads
Electricity sheet 541,542,543,544, and will be switched between these four conducting strips 541,542,543,544 by this control unit 530
For aforementioned electrical connection so that this contact panel 510 detects the coordinate of four touch points, and this at least one region 513 is positioned at this
The center of four touch points and between any two for the center of two touch points of electrical connection.As shown in Figure 8, this at least one district
Territory 513 has at five, lays respectively at the center of this four touch points and between any two for two touch points of electrical connection
Center 541,542,543,544.Now, this at least one can sensing signal detector unit 520 be then five light detections or face
Color testing circuit 521,522,523,524,525.
When this controller 550 detect this at least one can the position of sensing signal detector unit 520 time, this controller
550 can by controlling the brightness of A/B/C/D/E five block or/and data are transmitted in color change, and this at least one can feel
Survey detecting signal unit 520 be then received by brightness and/or color detection element, can in advance agreement by the brightness of A block with/
Or the produced signal of color change is as synchronizing signal, and the brightness of B/C/D/E block and/or color change can be as data
Signal, so can realize synchronous parallel transmission.
Fig. 9 be the present invention utilize on panel can the flow chart of the sensing signal method to communicate, and with reference to Fig. 5 institute
Showing, the method is applied to a panel 510, and this panel 510 has a surface 511 to show an image, and at least one can sense letter
Number detector unit 520 coupled at least one region 513 on this surface 511, and a control unit 530 is connected to this, and at least one can be felt
Survey detecting signal unit 520.First in step A) in, show that at least one region 513 on this surface 511 one can sensing signal
Change.In step B) in, this at least one sensing signal detector unit 520 can detect sensing of this at least one region 513
The change of signal, and produce the detection signal of correspondence.Last in step C) in, this control unit 530 receives this detection signal, should
Detection signal is in order to represent the data mode of correspondence, to obtain the data mode that this at least one region is transmitted.
Figure 10 is step C of the present invention) detail flowchart, first in step C1) in, this control unit 530 performs at the beginning of one
The initialization of beginning state, and receive this detection signal.In step C2) in, this control unit 530 judge in this detection signal be
No have a synchronizing signal.
In step C3) in, if it is determined that receive this synchronizing signal, this control unit 530 receives the number in this detection signal
According to.In step C2) in, this control unit 530 if it is determined that in this detection signal not this synchronizing signal, then perform step C1).
In step C4) in, this control unit 530 judges whether these data meet form.In step C5) in, if this control
Unit 530 judges this data fit form, and these data are performed decoding.In step C4) in, if this control unit 530 judges to be somebody's turn to do
Data do not meet form, then perform step C1).
In Fig. 6, Fig. 7 of the present invention, this at least one can sensing signal detector unit 520 only one of which can sensing signal inspection
Survey unit, therefore can use non-synchronous transmissions, now bag form is as shown in figure 11, before 4 bits be packet header 1310 (packet
Header), to indicate the beginning of this bag, it can be 1010b.8 bits afterwards are field 1320, be connected on data field 1320 it
After then for check field 1330, this inspection field 1330 can be CRC (Cycle Redundancy Check,
Or the complement (DATA') of data field 1320 CRC),.If the data of transmission are 0x55 and this inspection field 1330 is field
Position 1320 complement time, then the content of an integral packets is:
1010b(sync)+01010101b(Data)+10101010b(Data')。
In Fig. 8 of the present invention, this at least one can sensing signal detector unit 520 be then five light detections or color inspection
Slowdown monitoring circuit 521,522,523,524,525, when agreement using the brightness of A block and/or the produced signal of color change as with
During step signal, namely using optical detection circuit or color detection circuitry 525 received signal as clock signal (clock),
So can use synchronous transfer.Light detection or color detection circuitry 521,522,523,524 received signal then direct shape
Becoming a packet, now bag form is as shown in figure 12, before 8 bits be data field 1410, after being connected on data field 1410
Then for check field 1420, this inspection field 1420 can be CRC (Cycle Redundancy Check,
Or the complement (DATA') of data field 1410 CRC),.If the data of transmission are 0x55 and this inspection field 1420 is field
Position 1410 complement time, then the content of an integral packets is:
01010101b(Data)+10101010b(Data')。
From preceding description, in prior art, panel is used to a display image, and contact panel is all used for
Produce one or more touch point.And this at least two conducting strip 540 is cut between any two by the present invention by this control unit 530
Be changed to electrical connection or non-electrical connect, and then make this contact panel 510 detect to should at least two conducting strip 540 not
With the touch point of number, this controller 550 detect this at least one can the position of sensing signal detector unit 520 time, this control
Device 550 processed can be by controlling the brightness in this at least one region 513 and/or data are transmitted in color change, and this control unit
530 by this, at least one sensing signal detector unit 520 can detect the brightness in this at least one region 513 and/or color becomes
Change corresponding signal.It is to say, the present invention is to utilize panel 510 as telecommunication media, it can make do not have USB, SD, bluetooth
Touch-control handheld apparatus easily transmit data with peripheral device.Meanwhile, this control unit 530 can be one to have GPIO interface
Microcontroller, the most existing 8051 so can be greatly reduced hsrdware requirements and the cost of transmission data.
Above-described embodiment explanation merely for convenience and illustrate, interest field of the presently claimed invention is from should be with claim
It is as the criterion described in scope, rather than is only limitted to above-described embodiment.
Claims (9)
1. utilize on panel can sensing signal with the system communicated, including:
One panel, has a surface to show an image, at least one region on this surface can show one can the change of sensing signal,
This panel is a contact panel, and this contact panel has a controller；
At least one can sensing signal detector unit, coupled to this at least one region, to detect sensing of this at least one region
The change of signal, and produce the detection signal of correspondence；
One control unit, at least one can sensing signal detector unit to be connected to this；And
At least two conducting strip, this at least two conducting strip is electrically connected to this control unit, and is attached on this contact panel,
To position this at least one region；
Wherein, can the change produced detection signal of sensing signal be to represent corresponding number by detect this at least one region
According to state, thus obtain the data mode that this at least one region is transmitted；This controller is connected to this contact panel, in order to calculate
The coordinate of this at least two conducting strip being attached on this contact panel, and the coordinate calculating according to this at least two conducting strip should
The position at least one region, this control unit is by switching this at least two conducting strip between any two for electrical connection so that should
Controller detection is to should the coordinate of at least two conducting strip；This at least two conducting strip is two conducting strips, and by this control
Unit processed switches between these two conducting strips as described electrical connection so that the coordinate of this contact panel two touch points of detection,
And this at least one region is positioned at the center of these two touch points.
The most according to claim 1 utilize on panel can sensing signal with the system communicated, it is characterised in that should
Controller according to the position in this at least one region so that this at least one region produce this can the change of sensing signal.
The most according to claim 2 utilize on panel can sensing signal with the system communicated, it is characterised in that should
Can sensing signal be luminance signal, and this at least one can sensing signal detector unit be following one of them: photodiode,
Photoconductive resistance and photoswitch.
The most according to claim 2 utilize on panel can sensing signal with the system communicated, it is characterised in that should
Can sensing signal be grayscale signal, and this at least one can sensing signal detector unit be following one of them: photodiode,
Photoconductive resistance and photoswitch.
The most according to claim 2 utilize on panel can sensing signal with the system communicated, it is characterised in that should
Can sensing signal be color signal, and this at least one can sensing signal detector unit be color sensor.
6. utilize on panel can sensing signal with the method communicated, the method is applied to a panel, this panel have
Have a surface with show an image, at least one sensing signal detector unit can coupled at least one region and on this surface
Control unit be connected to this at least one can sensing signal detector unit, the method comprises the following steps:
A) at least one region on this surface shows that one can the change of sensing signal；
B) this at least one can sensing signal detector unit detect this at least one region can the change of sensing signal, and produce right
The detection signal answered；And
C) this control unit receives this detection signal, and this detection signal is in order to represent the data mode of correspondence, to obtain this at least
The data mode that one region is transmitted, wherein, step (C) comprises the steps of
(C1) this control unit performs the initialization of an original state, and receives this detection signal；
(C2) this control unit judges whether there is a synchronizing signal in this detection signal；
(C3) if it is determined that receive this synchronizing signal, this control unit receives the data in this detection signal；
(C4) this control unit judges whether these data meet form；And
(C5) if this control unit judges this data fit form, these data are performed decoding.
The most according to claim 6 utilize on panel can sensing signal with the method communicated, it is characterised in that
Step C2) in, this control unit judges not this synchronizing signal in this detection signal, then perform step C1).
The most according to claim 6 utilize on panel can sensing signal with the method communicated, it is characterised in that
Step C4) in, this control unit judges that these data do not meet form, then perform step C1).
9. utilize on panel can sensing signal with the system communicated, comprise:
One panel, has a surface to show an image, at least one region on this surface can show one can the change of sensing signal,
This panel is a contact panel, and this contact panel has a controller；
At least one can sensing signal detector unit, coupled to this at least one region, to detect sensing of this at least one region
The change of signal, and produce the detection signal of correspondence；
One control unit, at least one can sensing signal detector unit to be connected to this；And
At least two conducting strip, this at least two conducting strip is electrically connected to this control unit, and is attached on this contact panel,
To position this at least one region；
Wherein, can the change produced detection signal of sensing signal represent corresponding data by detect this at least one region
State, obtains the data mode that this at least one region is transmitted according to this；This controller is connected to this contact panel, in order to calculate patch
Invest the coordinate of this at least two conducting strip on this contact panel, and calculate this extremely according to the coordinate of this at least two conducting strip
The position in a few region, this control unit is by switching this at least two conducting strip between any two for electrical connection so that this control
Device processed detection is to should the coordinate of at least two conducting strip；This at least two conducting strip is four conducting strips, and by this control
Unit switches between these four conducting strips as described electrical connection so that the coordinate of this contact panel four touch points of detection, and
This at least one region is positioned at the center of these four touch points and between any two for the center of two touch points of electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310041196.4A CN103970379B (en) | 2013-02-01 | 2013-02-01 | Utilize on panel can sensing signal with the system and method communicated |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310041196.4A CN103970379B (en) | 2013-02-01 | 2013-02-01 | Utilize on panel can sensing signal with the system and method communicated |
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| CN103970379A CN103970379A (en) | 2014-08-06 |
| CN103970379B true CN103970379B (en) | 2016-12-28 |
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| TWI696379B (en) * | 2019-03-27 | 2020-06-11 | 佳世達科技股份有限公司 | Optical detection device |
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| US8931780B2 (en) * | 2005-08-11 | 2015-01-13 | N-Trig Ltd. | Apparatus for object information detection and methods of using same |
| US8339372B2 (en) * | 2009-04-20 | 2012-12-25 | Broadcom Corporation | Inductive touch screen with integrated antenna for use in a communication device and methods for use therewith |
| CN103064549B (en) * | 2011-10-20 | 2016-03-30 | 凌通科技股份有限公司 | touch communication system |
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