CN204117354U - A kind of mian engine changeover device of touch display system - Google Patents
A kind of mian engine changeover device of touch display system Download PDFInfo
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- CN204117354U CN204117354U CN201420481613.7U CN201420481613U CN204117354U CN 204117354 U CN204117354 U CN 204117354U CN 201420481613 U CN201420481613 U CN 201420481613U CN 204117354 U CN204117354 U CN 204117354U
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Abstract
The utility model relates to touch display screen field, be specifically related to a kind of mian engine changeover device of touch display system, described mian engine changeover device comprises the first processing unit and the second processing unit, described first processing unit comprises a built-in main frame, described first processing unit is connected with the second processing unit and touch display screen respectively, and described second processing unit is connected with several external units; Described touch display screen passes through the first processing unit and built-in main frame or the second processing unit and communicates to connect, and described touch display screen is communicated to connect by the second processing unit and several external units.The utility model, by the mian engine changeover device of a kind of touch display system of design, also comprises the protocol conversion module for systematic evaluation, is convenient to the seamless switching of built-in main frame and several external units, improves the work efficiency of user; Mian engine changeover device comprises touch switching, button switches and wireless switching three kinds of switching modes, improves the Consumer's Experience of mian engine changeover device.
Description
Technical field
The utility model relates to touch display screen field, is specifically related to a kind of mian engine changeover device of touch display system.
Background technology
Existing touch display screen, no matter be electronic whiteboard or interactive flat board, in use, must with host computer with the use of, the signal of network, USB flash disk, personal computer, televisor or various player (as DVD player) will be come from by the various interfaces of host computer, touch display screen shows, and by host computer, the interactive signal that touch display screen feeds back is resolved, and reaction realizes the interactive operation of touch display screen.
Various input signal can be play for the ease of touch display screen, a kind of portable intelligent box is provided, intelligence box is provided with multi-signal IO interface and general-purpose interface, is convenient to touch display screen and shows various signal message, improves the use value of touch display screen.But during the display of touch display screen access external unit, or when touch display screen transmit operation signal is to external unit, because the operating system of external unit is different from the operating system of intelligent box, need extra add-on system conversion equipment, improve the complexity of external unit access.
Particularly interactive dull and stereotyped, intelligence box also comprises the built-in main frame for interactive plate work, the switching of external unit and built-in main frame uses also very inconvenient, wherein due to built-in main frame or the operating system of external unit different with the operating system of touch display screen, switching difficulty is improved greatly.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provides a kind of mian engine changeover device of touch display system, is convenient to the seamless switching of built-in main frame and several external units.
The utility model solves the technical scheme that its technical matters adopts: the mian engine changeover device providing a kind of touch display system, described touch display system comprises touch display screen and external unit, described mian engine changeover device comprises the first processing unit and the second processing unit, described first processing unit comprises a built-in main frame, described first processing unit is connected with the second processing unit and touch display screen respectively, and described second processing unit is connected with several external units; Described touch display screen passes through the first processing unit and built-in main frame or the second processing unit and communicates to connect, and described touch display screen is communicated to connect by the second processing unit and several external units.
Wherein, preferred version is: described second processing unit comprises a protocol conversion module, and described conversion unit of protocol is connected with external unit, and described touch display screen is connected with external device communication by protocol conversion module.
Wherein, preferred version is: described touch display screen comprises a touch handover module, described touch handover module is connected with the first processing unit, and described touch display screen is connected with built-in main frame or external device communication according to the touch switching signal touching handover module transmission.
Wherein, preferred version is: described touch handover module comprises the touch area of the relevant position being arranged on touch display screen, and described touch area comprises several keys swift to operate.
Wherein, preferred version is: described mian engine changeover device also comprises control panel and I/O interface module, described control panel comprises a signal input selection key, described I/O interface module comprises an I/O interface module and the 2nd I/O interface module, a described I/O interface module is connected with the first processing unit, and described 2nd I/O interface module is connected with the second processing unit.
Wherein, preferred version is: described control panel and the first processing unit communicate to connect, and the button switching signal that described touch display screen sends according to signal input selection key is connected with built-in main frame or external device communication.
Wherein, preferred version is: described control panel is communicated to connect by the second processing unit and the first processing unit.
Wherein, preferred version is: described mian engine changeover device also comprises wireless control module, described wireless control module comprises Digiplex and wireless receiver, the wireless switching signal that described wireless receiver sends for receiving Digiplex, described wireless receiver is connected with the first processing unit, and described touch display screen is connected with built-in main frame or external device communication according to wireless switching signal.
Wherein, preferred version is: described wireless receiver is communicated to connect by the second processing unit and the first processing unit.
Wherein, preferred version is: described wireless control module is infrared control module, and described infrared control module comprises Infrared remote controller and infrared remote receiver.
The beneficial effects of the utility model are, compared with prior art, the utility model is by the mian engine changeover device of a kind of touch display system of design, also comprise the protocol conversion module for systematic evaluation, be convenient to the seamless switching of built-in main frame and several external units, improve the work efficiency of user; Mian engine changeover device comprises touch switching, button switches and wireless switching three kinds of switching modes, improves the Consumer's Experience of mian engine changeover device.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structured flowchart of the utility model touch display system;
Fig. 2 is the concrete structure block diagram of the utility model touch display system;
Fig. 3 is the structural representation of the utility model mian engine changeover device;
Fig. 4 is the cross-sectional view of the utility model mian engine changeover device;
Fig. 5 is the circuit diagram of the utility model second processing unit;
Fig. 6 is the circuit diagram of the utility model the 2nd I/O interface module;
Fig. 7 is the circuit diagram of the utility model control panel.
Embodiment
Now by reference to the accompanying drawings, preferred embodiment of the present utility model is elaborated.
As shown in Figure 1, provide a kind of preferred embodiment of mian engine changeover device of touch display system, Fig. 1 is the structured flowchart of the utility model touch display system.
A kind of mian engine changeover device 100 of touch display system, touch display system comprises touch display screen 210, external unit 220 and mian engine changeover device 100, mian engine changeover device 100 respectively with touch display screen 210 and external unit 220, mian engine changeover device 100 comprises the first processing unit 110 and the second processing unit 120, first processing unit 110 comprises a built-in main frame 111, first processing unit 110 is connected with the second processing unit 120 and touch display screen 210 respectively, and the second processing unit 120 is connected with several external units 220; Touch display screen 210 is communicated to connect with built-in main frame 111 or the second processing unit 120 by the first processing unit 110, and touch display screen 210 is communicated to connect with in several external units 220 by the second processing unit 120.
Particularly, mian engine changeover device 100 comprises twice deterministic process, when receiving switching signal, mian engine changeover device 100 carries out judging according to switching signal and selects a kind of input signal, touch display screen 210 shows, and input signal comprises the input signal of built-in main frame 111 and the input signal of several external units 220.First time judges: mian engine changeover device 100 selects the input signal of built-in main frame 111 or the input signal of several external units 220 by the first processing unit 110; Second time judges: mian engine changeover device 100 selects the input signal of in several external units 220 by the second processing unit 120.
Built-in main frame 111 stores the display information shown for touch display screen 210, and touch display screen 210 reads the display information of built-in main frame 111 by the first processing unit 110, directly carries out display operation, does not need additionally to increase external unit 220.Or mian engine changeover device 100 is connected with external unit 220, touch display screen 210 reads the display information of external unit 220 by the second processing unit 120, and carries out display operation by the first processing unit 110.
Touch display screen 210 is electronic whiteboard or interactive dull and stereotyped, and electronic whiteboard comprises blank touch-screen and projector, and external unit 220 is computing machine, video showing platform, panel computer, TV or stereo set.
As shown in Figure 2, provide a kind of preferred embodiment of mian engine changeover device of touch display system, Fig. 2 is the concrete structure block diagram of the utility model touch display system.
Second processing unit 120 comprises a protocol conversion module 121, and conversion unit of protocol is connected with external unit 220, and touch display screen 210 is communicated to connect by protocol conversion module 121 and external unit 220.The effect of conversion unit of protocol is: the information that the operating system information that the operating system of external unit 220 sends being converted to the first processing unit 110 sends, or the information that the operating system converting the information that the operating system of the first processing unit 110 sends to external unit 220 sends.
Preferably, the operating system of the first processing unit 110 is Android system, and the operating system of external unit 220 is Android system or Window system.
Second processing unit 120 also comprises a system judge module, system judge module is connected with external unit 220 and conversion unit of protocol respectively, when the second processing unit 120 selects an external unit 220, system judge module first judges that whether the operating system of this external unit 220 is identical with the operating system of the first processing unit 110, if the operating system of external unit 220 is different from the operating system of the first processing unit 110, then need to carry out systematic evaluation by protocol conversion module 121.Wherein, protocol conversion module 121 carries out systematic evaluation and refers to by the signal of the transmission of operating system by protocol conversion, and convert the discernible signal message of assigned operation system to, the signal of transmission is control signal.
Further, mian engine changeover device 100 comprises I/O interface module 130, I/O interface module 130 comprises an I/O interface module 131 and the 2nd I/O interface module 132, one I/O interface module 131 is connected with the first processing unit 110, and the 2nd I/O interface module 132 is connected with the second processing unit 120.
I/O interface module 130 comprises: HDMI output interface and VGA output interface, supports VGA to 1080P/1080i/720P for exporting; Audio output interface, connects outside power amplifier for exporting; HDMI input interface, VGA input interface, AV input interface and MIC input interface, support VGA to 1080P/1080i/720P for video input; USB2.0 interface; 100/10MRJ45 interface; SD card socket.One I/O interface module 131 comprises HDMI output interface, VGA output interface, Audio output interface and USB2.0 interface, 2nd I/O interface module 132 comprises HDMI input interface, VGA input interface, AV input interface, MIC input interface and USB2.0 interface, and 100/10MRJ45 interface and SD card socket belong to an I/O interface module 131 or belong to the 2nd I/O interface module 132.
Wherein, USB interface is the special purpose interface that computer adopts VGA standard transmission data; HDMI is HDMI (High Definition Multimedia Interface), is a kind of digitized video and audio interface technology, is the tailored version digital interface of applicable image transmission; AV interface is CVBS signal transmission interface, and CVBS is also called base band video or RCA video; TV interface is ANTBNNA interface, for playing TV signal; AUDIO interface is audio transmission interfaces, for transmission of audio signal; Projector control interface is RS232 interface, for controlling projector; USB interface comprises Universal USB interface, USBTOPC interface and USBTOSCREEN interface, and USBTOPC interface is connected with external unit 220, and USBTOSCREEN interface is connected with touch display screen 210.Universal USB interface is used for external external device, allows user to carry out Function Extension, and external device comprises high bat instrument, and shooting signal for showing material object, and is sent to touch display screen 210 by Universal USB interface by high instrument of clapping.
Be worth mentioning, if touch display screen 210 is electronic whiteboard, projector control interface is connected with projector, and control signal is transferred to projector by projector control interface by built-in main frame 111 or external unit 220.
The utility model also provides the preferred embodiment of three kinds of touch display system switching modes further, specifically comprises and touches switching mode, button switching mode and wireless switching mode.
First processing unit 110 receives switching signal, carry out judgement to select, if the first processing unit 110 selects built-in main frame 111, touch display screen 210 is connected with built-in main frame 111, if the first processing unit 110 selects the second processing unit 120, second processing unit 120 carries out judgement according to switching signal and selects, and select in several external units 220, touch display screen 210 is connected with in several external units 220.Wherein, first processing unit 110 and the second processing unit 120 carry out resolving to the received signal, adopting valid data and be converted to can after transmission signal, as usb signal, again it is sent to the operating system of built-in main frame 111 or external unit 220, perform user's application instruction by the operating system of built-in main frame 111 or external unit 220.
Or the second processing unit 120 receives switching signal, carry out judgement to select, if the second processing unit 120 selects the first processing unit 110, touch display screen 210 is connected with built-in main frame 111, if the second processing unit 120 selects external unit 220, second processing unit 120 carries out judgement according to switching signal and selects, and select in several external units 220, touch display screen 210 is connected with in several external units 220.
Or the second processing unit 120 receives switching signal, switching signal is transferred in the first processing unit 110 by the second processing unit 120 again.
Embodiment one is the preferred embodiment touching switching mode:
Touch display screen 210 comprises a touch handover module, touches handover module and is connected with the first processing unit 110, and touch display screen 210 communicates to connect according to the touch switching signal and built-in main frame 111 or external unit 220 that touch handover module transmission.Touch the touch area that handover module comprises the relevant position being arranged on touch display screen 210, touch area comprises several keys swift to operate.Key swift to operate comprises a touch signal input shortcut, and the signal that touch signal input shortcut is selected comprises computer VGA signal, notebook VGA signal, HDMI signal, an AV signal, the 2nd AV signal and TV TV signal.
Embodiment two is the preferred embodiment of button switching mode:
Mian engine changeover device 100 also comprises control panel 140, control panel 140 comprises signal input selection key 141 and switch machine key, switch machine key is used for carrying out switching manipulation to mian engine changeover device 100, signal input selection key 141 is for selecting the signal needing display on touch display screen 210, and the signal that signal input selection key 141 is selected comprises computer VGA signal, notebook VGA signal, HDMI signal, an AV signal, the 2nd AV signal and TV TV signal.
Switch machine key comprises two kinds of mode of operations, first mode of operation is short in operation, under mian engine changeover device 100 closed condition, shortly mian engine changeover device 100 can be made to open by operation, second mode of operation presses operation for long, under mian engine changeover device 100 opening, length can make mian engine changeover device 100 close by operation.
Control panel 140 also comprises system return key, PPT turnover key, mute button, volume conciliation button, headlamp switch button, projector switch key and high bat instrument software switch button, wherein system return key returns for Dynamic System, PPT turnover key comprise turn over button and under turn over button, volume is reconciled button and is comprised volume decrement key and volume raising button, headlamp switch button comprises front-seat lamp switch button and rear bank light switch key, projector switch key is for controlling projector switch, and high instrument software switch button of clapping is for controlling high bat instrument switch.
Be worth mentioning, if touch display screen 210 is electronic whiteboard, projector switch key and projector with the use of.
Embodiment three is the preferred embodiment of wireless switching mode:
Mian engine changeover device 100 also comprises wireless control module 150, wireless control module 150 comprises Digiplex 151 and wireless receiver 152, the wireless switching signal that wireless receiver 152 sends for receiving Digiplex 151, wireless receiver 152 is connected with the first processing unit 110, and touch display screen 210 communicates to connect according to wireless switching signal and built-in main frame 111 or external unit 220.
Preferably, wireless receiver 152 is communicated to connect by the second processing unit 120 and the first processing unit 110.
Preferably, wireless control module 150 is infrared control module, and infrared control module comprises Infrared remote controller and infrared remote receiver.
As shown in Figure 3,4, a kind of preferred embodiment of structural representation of mian engine changeover device is provided.
Mian engine changeover device 100 comprises shell 300, core board 110 and support plate 120, wherein core board 110 and support plate 120 are circuit board, shell 300 comprises front panel 310, side panel 320 and rear panel (not shown), core board 110 is arranged on inside shell 300, first processing unit 110 is arranged on core board 110, second processing unit 120 is arranged on a support plate 120, I/O interface module 130 is arranged on core board 110, I/O interface module 130 part is arranged on core board 110 edge, support plate 120 is connected with core, control panel 140 is also arranged on support plate 120.Preferably, although the 2nd I/O interface module 132 is arranged on core board 110, the 2nd I/O interface module 132 is connected with the second processing unit 120 by circuit structure.
Particularly, front panel 310 is provided with two open fronts, two open fronts are respectively equipped with the first control panel 1401 and the second control panel 1402, first control panel 1401 comprises signal input selection key 141, system return key, PPT turnover key, mute button, volume conciliation button, headlamp switch button, projector switch key and high bat instrument software switch button, is provided with signal input state pilot lamp 1403 on the first control panel 1401 side; Second control panel 1402 comprises switch machine key, two-way USB interface and USB interface.Side panel 320 is provided with the side opening with I/O interface module 130, RJ45 interface and 12V input interface Corresponding matching.Rear panel is provided with the USB interface for Function Extension.
Simultaneously, four drift angle places of side panel 320 are provided with through hole, the lead to the hole site of the respective side panel 320 of front panel 310 and rear panel is respectively equipped with through hole draw-in groove and threaded hole, front panel 310, side panel 320 and rear panel through the through hole draw-in groove of front panel 310, the through hole of side panel 320 and the threaded hole of rear panel, are fixed by screw successively.
Further, mian engine changeover device 100 also comprises some external modules be connected with the first processing unit 110 or the second processing unit 120.External module comprises mixed-media network modules mixed-media 160, signal input state pilot lamp 1403, audio-frequency module 180 and power module 170.
Particularly, mixed-media network modules mixed-media 160 comprises wireless network module 160 and cable network module 160, and wireless network module 160 is WIFI wireless module preferably, and the wireless devices such as panel computer, electronic teacher pointer or microphone are connected with processor module by WIFI wireless module; Cable network module 160 comprises the RJ45 interface be arranged on mian engine changeover device 100, mian engine changeover device 100 is connected with the network equipment by RJ45 interface, or touch display screen 210 is connected with the network equipment by mian engine changeover device 100, or external unit 220 is connected with the network equipment by mian engine changeover device 100.
Signal input state pilot lamp 1403 is for showing external signal input state, signal input state pilot lamp 1403 comprises computer VGA signal lamp, notebook VGA signal lamp, HDMI signal lamp, one AV signal lamp, 2nd AV signal lamp and TV TV signal lamp, above-mentioned signal lamp represents corresponding computer VGA signal respectively, notebook VGA signal, HDMI signal, one AV signal, the transmission state of the 2nd AV signal and TV TV signal, specifically: according to the clicking operation of signal input selection key 141, signal lamp is by lighting successively, signal lamp is lighted and is represented that mian engine changeover device 100 is in transmission respective signal.
Audio-frequency module 180 is for playing the sound signal of external unit 220, external unit 220 is connected with mian engine changeover device 100 by WIFI wireless module or the special input interface of audio frequency, audio-frequency module 180 is preferably MIC module, and the special input interface of audio frequency is preferably MIC input interface.
Power module 170 comprises power conversion unit and power input interface, wherein external electrical network is by power input interface input voltage, input voltage changes into the magnitude of voltage needed for mian engine changeover device 100 internal circuit by power conversion unit, the preferred 12V input interface of power input interface.Meanwhile, mian engine changeover device 100 can also be powered by I/O interface module 130 or RJ45 interface.
As Fig. 5 ~ 7, provide the preferred embodiment of the circuit diagram of each primary module of intelligent box.Fig. 4 is the circuit diagram of the utility model second processing unit, and Fig. 5 is the circuit diagram of the utility model the 2nd I/O interface module, and Fig. 6 is the circuit diagram of the utility model control panel.
First processing unit 110 preferably adopts the 1.4GHz dual core processor 6A910 of Mstar as hardware platform, also the hardware platform of Mstar, TI or Intel can be adopted, first module preferably adopts Android4.1 as operating system, also can adopt Windows operating system.Dual core processor 6A910 comprises the DDR-III internal memory of 1GB and the NAND of 32GB.Dual core processor 6A910 is connected respectively with the second processing unit 120 and touch display screen 210.In the present embodiment, namely described dual core processor 6A910 can be the first processing unit 110, also can be built-in main frame 111.
With reference to figure 5, the circuit structure of the second processing unit 120 comprises processor chips and external circuit structure thereof, processor chips are preferably STM32F103RDT6 chip, or the chip that other and STM32F103RDT6 chip functions are close, in STM32F103RDT6 chip, voltage pin connects VMCU voltage, the preferred 3.3V of VMCU voltage, voltage pin is as P1, P19, P32, P48 and P64; Pin such as P8 ~ 11, P20 ~ 23 are connected with control panel 140 circuit, for controlling intelligent box work; Pin P16, P17, P29, P30, P42, P43, P51 and P52 are data transmission interface, for transmitting data information, comprise input port and delivery outlet; P14, P24 ~ 27, P33 ~ 35, P41, P56 ~ 59 are connected with the circuit structure of I/O interface module 130.
With reference to figure 6, the circuit structure of the 2nd I/O interface module 132 comprises each interface circuit be connected with processor module, and the pull-up voltage module of pull-up voltage on each interface is provided, pull-up voltage module by pull-up resistor, supplies the working current needed during each interfaces by VMCU voltage.One I/O interface module 131 is similar to the physical circuit of the 2nd I/O interface module 132, does not just set forth one by one at this.
With reference to figure 7, the circuit structure of control panel 140 comprises the formation circuit diagram of some buttons formation, button one end is connected with ROW1 ~ ROW4, and be connected with STM32F103RDT6 chip P8 ~ 11, the button other end is connected with COL1 ~ COL4, and is connected with STM32F103RDT6 chip P20 ~ 23, pull-up voltage in COL1 ~ COL4 access, STM32F103RDT6 chip changes according to the high-low voltage of P8 ~ 11 and P20 ~ 23, control STM32F103RDT6 chip operation, thus controls intelligent box work.
As described above, be only the utility model most preferred embodiment, and not for limiting scope of the present utility model, all equivalences done according to the utility model claim change or modify, and are all the utility model and contain.
Claims (10)
1. the mian engine changeover device of a touch display system, described touch display system comprises touch display screen and external unit, it is characterized in that: described mian engine changeover device comprises the first processing unit and the second processing unit, described first processing unit comprises a built-in main frame, described first processing unit is connected with the second processing unit and touch display screen respectively, and described second processing unit is connected with several external units;
Described touch display screen passes through the first processing unit and built-in main frame or the second processing unit and communicates to connect, and described touch display screen is communicated to connect by the second processing unit and several external units.
2. mian engine changeover device according to claim 1, it is characterized in that: described second processing unit comprises a protocol conversion module, described conversion unit of protocol is connected with external unit, and described touch display screen is connected with external device communication by protocol conversion module.
3. mian engine changeover device according to claim 2, it is characterized in that: described touch display screen comprises a touch handover module, described touch handover module is connected with the first processing unit, and described touch display screen is connected with built-in main frame or external device communication according to the touch switching signal touching handover module transmission.
4. mian engine changeover device according to claim 3, is characterized in that: described touch handover module comprises the touch area of the relevant position being arranged on touch display screen, described touch area comprises several keys swift to operate.
5. mian engine changeover device according to claim 2, it is characterized in that: described mian engine changeover device also comprises control panel and I/O interface module, described control panel comprises a signal input selection key, described I/O interface module comprises an I/O interface module and the 2nd I/O interface module, a described I/O interface module is connected with the first processing unit, and described 2nd I/O interface module is connected with the second processing unit.
6. mian engine changeover device according to claim 5, it is characterized in that: described control panel and the first processing unit communicate to connect, the button switching signal that described touch display screen sends according to signal input selection key is connected with built-in main frame or external device communication.
7. mian engine changeover device according to claim 6, is characterized in that: described control panel is communicated to connect by the second processing unit and the first processing unit.
8. mian engine changeover device according to claim 1, it is characterized in that: described mian engine changeover device also comprises wireless control module, described wireless control module comprises Digiplex and wireless receiver, the wireless switching signal that described wireless receiver sends for receiving Digiplex, described wireless receiver is connected with the first processing unit, and described touch display screen is connected with built-in main frame or external device communication according to wireless switching signal.
9. mian engine changeover device according to claim 8, is characterized in that: described wireless receiver is communicated to connect by the second processing unit and the first processing unit.
10. mian engine changeover device according to claim 9, is characterized in that: described wireless control module is infrared control module, and described infrared control module comprises Infrared remote controller and infrared remote receiver.
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| CN201420481613.7U CN204117354U (en) | 2014-08-25 | 2014-08-25 | A kind of mian engine changeover device of touch display system |
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| CN201420481613.7U CN204117354U (en) | 2014-08-25 | 2014-08-25 | A kind of mian engine changeover device of touch display system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108549500A (en) * | 2018-04-16 | 2018-09-18 | 广州视源电子科技股份有限公司 | A kind of touch-control tablet control circuit and touch-control tablet |
| WO2019037018A1 (en) * | 2017-08-24 | 2019-02-28 | 深圳市利达成科技有限公司 | Adapter |
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2014
- 2014-08-25 CN CN201420481613.7U patent/CN204117354U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019037018A1 (en) * | 2017-08-24 | 2019-02-28 | 深圳市利达成科技有限公司 | Adapter |
| CN108549500A (en) * | 2018-04-16 | 2018-09-18 | 广州视源电子科技股份有限公司 | A kind of touch-control tablet control circuit and touch-control tablet |
| WO2019200906A1 (en) * | 2018-04-16 | 2019-10-24 | 广州视源电子科技股份有限公司 | Touch panel control circuit and touch panel |
| CN108549500B (en) * | 2018-04-16 | 2021-01-19 | 广州视源电子科技股份有限公司 | Touch panel control circuit and touch panel |
| US11226701B2 (en) | 2018-04-16 | 2022-01-18 | Guangzhou Shiyuan Electronics Co., Ltd. | Touch panel control circuit and touch panel |
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