CN112667126A - Handwriting screen and method for adjusting closed screen menu thereof - Google Patents
Handwriting screen and method for adjusting closed screen menu thereof Download PDFInfo
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- CN112667126A CN112667126A CN202110089032.3A CN202110089032A CN112667126A CN 112667126 A CN112667126 A CN 112667126A CN 202110089032 A CN202110089032 A CN 202110089032A CN 112667126 A CN112667126 A CN 112667126A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The invention provides a handwriting screen which comprises a key switch, a display screen, a display drive board, an IO interface and an electromagnetic handwriting control board. The IO interface comprises a low level state and a high level state, the key switch sends out a screen menu calling signal, the display drive board receives the screen menu calling signal and drives the display screen to display the screen menu, the IO interface is controlled to enter the high level state from the low level state, the electromagnetic handwriting control board generates handwriting data, when the IO interface is monitored to be in the high level state, the handwriting data are transmitted to the display drive board, the display drive board adjusts the screen menu according to the handwriting data, and drives the display screen to display an adjusting result in real time and change a display mode according to the adjusting result. The handwriting screen can be adjusted and closed simply and conveniently, and the invention also provides a method for adjusting and closing the screen menu.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of computer peripheral equipment, in particular to a handwriting screen.
[ background of the invention ]
The handwriting screen is a product which changes the use mode of a computer and revolutionarily changes the office environment, and can completely change the use mode of a traditional computer with a display matched with a mouse and a keyboard.
The handwriting screen integrates the liquid crystal display and the digital board, and a user can directly perform pen-writing input on the liquid crystal display by using a matched pressure-sensitive pen. The handwriting screen is used as a high-end computer input device, and can enable the office environment to be more concise and fashionable. Therefore, the handwriting screen has wide application prospects in various application fields with importance on use effects and enterprise images, such as finance, medical treatment, multimedia manufacturing, building drawing, design publishing and the like.
The handwriting screen in the prior art comprises a key switch, and a screen menu is adjusted through the key switch, so that the operation is complex.
Therefore, there is a need to provide a new handwriting screen to solve the above-mentioned technical problem of complicated and complicated menu adjustment.
[ summary of the invention ]
In order to solve the technical problem that the operation of calling the screen menu is complicated, the invention provides the handwriting screen which is convenient to adjust and close the screen menu. The invention also provides a method for adjusting the handwriting screen and closing the screen menu.
The utility model provides a handwriting screen, includes key switch, display screen, display drive board, IO interface and electromagnetism handwriting control board, the IO interface includes low level state and high level state, key switch sends and calls out screen menu signal, the display drive board receives call out behind the screen menu signal, the drive the display screen menu, control the IO interface by the low level state gets into the high level state, electromagnetism handwriting control board produces the handwritten data, monitors the IO interface is in when the high level state, will handwritten data transmission extremely the display drive board, the display drive board basis handwritten data adjusts the screen menu, and drive the display screen shows the regulation result in real time and changes the display mode according to the regulation result.
Preferably, the display device further comprises an I2C interface, and the electromagnetic handwriting control board is connected with the display driving board through the I2C interface.
Preferably, when the electromagnetic handwriting control board monitors that the IO interface enters the high level state, the electromagnetic handwriting control board transmits the handwriting data to the display drive board through the I2C interface.
Preferably, the handwriting screen can be connected with an external device through a USB interface, the electromagnetic handwriting control board monitors that the IO interface enters the low level state, and the electromagnetic handwriting control board transmits the handwriting data to the external device through the USB interface.
Preferably, the external device comprises one or more of a computer, a tablet computer and an embedded system.
Preferably, the handwriting screen is matched with a handwriting pen for use, and when the handwriting pen writes on the handwriting screen, the electromagnetic handwriting control panel generates the handwriting data.
Preferably, the screen menu includes a command to exit the screen menu, the handwriting pen triggers the command to exit the screen menu, the electromagnetic handwriting control board generates handwriting data of the command to exit the screen menu and transmits the handwriting data to the display driver board through the I2C interface, the display driver board drives the display screen to close the screen menu, and the IO interface is controlled to enter the low level state from the high level state.
A method for adjusting a handwriting screen and closing a screen menu comprises the following steps:
providing a key switch and sending out the screen menu calling signal;
providing a display driving board, a display screen and an IO interface, wherein the display driving board receives the screen menu calling signal, drives the display screen to display the screen menu, and controls the IO interface to enter the high level state from the low level state;
providing an electromagnetic handwriting control board and a handwriting pen, generating the handwriting data, transmitting the handwriting data to the display drive board by the electromagnetic handwriting control board when the IO interface is monitored to be in the high level state, adjusting the screen menu by the display drive board according to the handwriting data, and driving the display screen to display an adjusting result in real time and change a display mode according to the adjusting result.
Preferably, the IO interface is in the high level state, and further includes the following steps:
the handwriting pen triggers the screen menu exiting command, and the electromagnetic handwriting control panel generates handwriting data of the screen menu exiting command;
the display driving board reads the handwriting data of the screen menu, drives the display screen to close the screen menu, and controls the IO interface to enter the low level state from the high level state;
and the electromagnetic handwriting control board monitors the low level state of the IO interface, and transmits the handwriting data to the external equipment.
Compared with the prior art, the handwriting screen provided by the invention can adjust and close the screen menu directly through the handwriting data generated by the electromagnetic handwriting control panel, so that a user can adjust and close the screen menu more conveniently.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic diagram of a handwriting screen according to the present invention;
fig. 2 is a block diagram of a flow of a handwriting screen call-up on-screen menu shown in fig. 1.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1, which is a schematic structural diagram of a handwriting screen according to the present invention. The handwriting screen 10 comprises a key switch 11, a display driving board 12, a USB interface 13, a display screen 14, an IO interface 15, an electromagnetic handwriting control board 17 and an I2C interface 18. The display driving board 12 is connected with the electromagnetic handwriting control board 17 through the I2C interface 18. The IO interface 15 includes a low state and a high state.
The handwriting screen 10 can be used in cooperation with an external device, the external device includes one or more of a computer, a tablet computer and an embedded system, in this embodiment, the handwriting screen 10 is connected with the computer 20 through the USB interface 13. The electromagnetic handwriting control board 17 is connected with the computer 20 through the USB interface 13. In other embodiments, the USB interface 13 may be integrated into the display driving board 12.
The handwriting screen 10 includes a writing state and an on-screen menu adjustment state. When the IO interface 15 is in the low level state, the handwriting screen 10 is in the writing state, and when the IO interface 15 is in the high level state, the handwriting screen 10 is in the screen menu adjusting state.
The handwriting screen 10 is used in cooperation with a handwriting pen, and handwriting data is generated when the handwriting pen writes on the handwriting screen. The IO interface 15 is in the low level state, the handwriting screen 10 is in the writing state, and the electromagnetic handwriting control board 17 transmits the handwriting data to the computer 20 through the USB interface 13.
When a user sends a screen menu call-out signal through the key switch 11, the display driver board 12 receives the screen menu call-out signal, drives the display screen 14 to display the screen menu, controls the IO interface 15 to enter the high level state from the low level state, and controls the handwriting screen 10 to enter the screen menu adjustment state from the writing state.
When the electromagnetic handwriting control board 17 monitors that the IO interface 15 enters the high level state, the screen menu is adjusted by the handwriting pen, the electromagnetic handwriting control board 17 generates handwriting data, the handwriting data is transmitted to the display drive board 12 through the I2C interface 18, and the display drive board 12 drives the display screen 14 to display an adjustment result in real time and adjust a display mode according to the adjustment result.
The screen menu comprises a command of exiting the screen menu, when the handwriting pen triggers the command of exiting the screen menu, the electromagnetic handwriting control panel 17 generates handwriting data of the command of exiting the screen menu, the display drive board 12 reads the handwriting data of the command of exiting the screen menu through the I2C interface 18 to drive the display screen 14 to close the screen menu, and controls the IO interface 15 to enter the low level state from the high level state, and the handwriting screen 10 enters the writing state from the screen menu adjusting state.
Referring to fig. 2, fig. 2 is a block diagram illustrating a flow of adjusting and closing an on-screen menu of the handwriting screen shown in fig. 1. When the handwriting screen 10 adjusts and closes the on-screen menu, the method comprises the following steps:
s01, the key switch 11 sends out the menu signal of the call-out screen;
s02, the display driver board 12 receives the screen menu call-out signal, drives the display screen 14 to display the screen menu, and controls the IO interface 15 to enter the high level state from the low level state;
s03, the electromagnetic handwriting board generates the handwriting data, the electromagnetic handwriting control board 17 monitors that the IO interface 15 is in the high level state, and transmits the handwriting data to the display driver board 12, and the display driver board 12 adjusts the screen menu according to the handwriting data, and drives the display screen 14 to display the adjustment result in real time and change the display mode according to the adjustment result;
s04, the handwriting pen triggers the command of exiting the on-screen menu, and the electromagnetic handwriting control board 17 generates handwriting data of the command of exiting the on-screen menu;
s05, the display driver board 12 reads the handwritten data exiting from the screen menu, drives the display screen 14 to close the screen menu, and controls the IO interface 15 to enter the low level state from the high level state.
S06, when the electromagnetic handwriting control board 17 monitors the low level state of the IO interface 15, the electromagnetic handwriting control board 17 transmits the handwriting data to the computer 20.
Compared with the prior art, the handwriting screen provided by the invention can adjust and close the screen menu directly through the handwriting data generated by the electromagnetic handwriting control panel, so that a user can adjust and close the screen menu more conveniently.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A handwriting screen comprising:
the key switch sends out a signal for calling out a screen menu;
the display screen, show the on-screen menu, its characterized in that still includes:
the display driving board receives the call-out screen menu signal;
the display driver board receives the screen menu call-out signal and controls the IO interface to enter the high level state from the low level state;
and the electromagnetic handwriting control board generates handwriting data, transmits the handwriting data to the display drive board when monitoring that the IO interface is in the high level state, and the display drive board adjusts the screen menu according to the handwriting data, drives the display screen to display an adjusting result in real time and changes a display mode according to the adjusting result.
2. The handwriting screen of claim 1, further comprising an I2C interface, wherein said electromagnetic handwriting control board and said display driver board are connected through said I2C interface.
3. The handwriting screen according to claim 2, wherein when said electromagnetic handwriting control board monitors that said IO interface enters into said high level state, said electromagnetic handwriting control board transmits said handwriting data to said display driving board through said I2C interface.
4. The handwriting screen according to claim 2, further comprising a USB interface, wherein said handwriting screen is connectable to an external device through said USB interface, and when said electromagnetic handwriting control board monitors that said IO interface enters into said low level state, said electromagnetic handwriting control board transmits said handwriting data to said external device through said USB interface.
5. The handwriting screen of claim 4, wherein the external device comprises one or more of a computer, a tablet computer, and an embedded system.
6. The handwriting screen of claim 1, wherein said handwriting screen is used in conjunction with a handwriting pen, said electromagnetic handwriting control panel generating said handwriting data when said handwriting pen writes on said handwriting screen.
7. The handwriting screen of claim 6, wherein said on-screen menu comprises an exit on-screen menu command, said handwriting pen triggers said exit on-screen menu command, said electromagnetic handwriting control board generates handwriting data of said exit on-screen menu command and transmits said handwriting data of said exit on-screen menu command to said display driver board through said I2C interface, said display driver board drives said display screen to close said on-screen menu and simultaneously controls said IO interface to enter said low level state from said high level state.
8. A method for adjusting and closing an on-screen menu using a handwriting screen according to any of claims 1-7, comprising the steps of:
providing a key switch and sending out the screen menu calling signal;
providing a display driving board, a display screen and an IO interface, wherein the display driving board receives the screen menu calling signal, drives the display screen to display the screen menu, and controls the IO interface to enter the high level state from the low level state;
providing an electromagnetic handwriting control board and a handwriting pen, generating the handwriting data, transmitting the handwriting data to the display drive board by the electromagnetic handwriting control board when the IO interface is monitored to be in the high level state, adjusting the screen menu by the display drive board according to the handwriting data, and driving the display screen to display an adjusting result in real time and change a display mode according to the adjusting result.
9. The method for adjusting and closing an on-screen menu of claim 8, wherein when the IO interface is in the high level state, the method further comprises the following steps:
the handwriting pen triggers the screen menu exiting command, and the electromagnetic handwriting control panel generates handwriting data of the screen menu exiting command;
the display driving board reads the handwriting data of the screen menu, drives the display screen to close the screen menu, and controls the IO interface to enter the low level state from the high level state;
and the electromagnetic handwriting control board monitors the low level state of the IO interface, and transmits the handwriting data to the external equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110089032.3A CN112667126A (en) | 2021-01-22 | 2021-01-22 | Handwriting screen and method for adjusting closed screen menu thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110089032.3A CN112667126A (en) | 2021-01-22 | 2021-01-22 | Handwriting screen and method for adjusting closed screen menu thereof |
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| CN112667126A true CN112667126A (en) | 2021-04-16 |
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| CN202110089032.3A Pending CN112667126A (en) | 2021-01-22 | 2021-01-22 | Handwriting screen and method for adjusting closed screen menu thereof |
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Application publication date: 20210416 |