CN112099672A - Handwriting board and method for adapting same to upper computer - Google Patents
Handwriting board and method for adapting same to upper computer Download PDFInfo
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- CN112099672A CN112099672A CN202010966061.9A CN202010966061A CN112099672A CN 112099672 A CN112099672 A CN 112099672A CN 202010966061 A CN202010966061 A CN 202010966061A CN 112099672 A CN112099672 A CN 112099672A
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- 230000006698 induction Effects 0.000 claims abstract description 15
- 230000005284 excitation Effects 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04162—Control or interface arrangements specially adapted for digitisers for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware
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Abstract
The invention provides a handwriting board which comprises an antenna board, a signal processing module connected with the antenna board, a main control module connected with the signal processing module, a system identification module, a screen switching module and a memory, wherein the system identification module, the screen switching module and the memory are respectively connected with the main control module. The antenna board is used for sending an excitation signal and receiving an induction signal generated by the electromagnetic pen under the excitation of the excitation signal; the signal processing module is used for receiving the induction signal transmitted by the antenna board and processing the induction signal to obtain a coordinate signal; the system identification module is used for receiving and identifying the instruction transmitted by the upper computer, wherein the instruction comprises an MS OS Descriptor instruction or a macOS drive identification instruction; and the screen switching module processes the output coordinates of the sensing signals transmitted by the signal processing module and then corresponds to the screen of the upper computer. The handwriting board provided by the invention is beneficial to users to use the handwriting board for drawing and handwriting, and meanwhile, the handwriting board is convenient to adapt to different upper computers.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a handwriting board system, in particular to a handwriting board and a method and a system for adapting the handwriting board to an upper computer.
[ background of the invention ]
At present, handwriting pads are widely applied to the field of handwriting drawing and handwriting, when a user uses the handwriting pad, a host may be a desktop computer, a notebook computer, a mobile phone, an electronic reader or a tablet computer, wherein an operating system of the desktop computer and the notebook computer is a Windows or macOS system, and an operating system of the mobile phone, the electronic reader and the tablet computer is an Android system. When the desktop computer and the notebook computer are used on a desktop, the screen direction is generally a horizontal screen, and the screen direction of the mobile phone and the tablet computer is generally a vertical screen as handheld equipment.
Due to different screen forms of different hosts, the working areas of the handwriting board need to be corresponded according to the screen directions of the hosts. If no correspondence is made, it may happen that the handwritten shape does not correspond to the shape displayed on the screen, e.g. a circle is drawn on the tablet, while an oval is displayed on the host screen.
Therefore, it is necessary to provide a handwriting pad and a method and a system for adapting the handwriting pad to an upper computer.
[ summary of the invention ]
The screen forms of different hosts in the prior art are different, the working areas of the handwriting board need to be corresponded according to the screen direction of the host, and the situation that the handwriting shape is inconsistent with the shape displayed on the screen can occur, so the invention provides the handwriting board and the method for adapting the handwriting board to the upper computer.
A writing tablet, comprising:
an antenna plate: the electromagnetic pen is used for sending an excitation signal and receiving an induction signal generated by the electromagnetic pen under the excitation of the excitation signal;
the signal processing module: the induction signal is connected with the antenna plate, receives the induction signal transmitted by the antenna plate and processes the induction signal to obtain a coordinate signal;
a system identification module: the device comprises an upper computer, a processor and a control module, wherein the upper computer is connected with the lower computer and is used for receiving and identifying instructions transmitted by the upper computer, and the instructions comprise MS OS Descriptor instructions or macOS drive identification instructions;
a screen switching module: processing the output coordinates of the induction signals transmitted by the signal processing module and then corresponding the output coordinates to a screen of an upper computer, wherein the processing comprises scaling in equal proportion or exchanging an X axis and a Y axis of the output coordinates;
the main control module: and the screen switching module is connected with the signal processing module, the system identification module and the screen switching module and used for receiving the identification result of the system identification module and the coordinate signal obtained by the signal processing module and sending an instruction to the screen switching module to select a processing mode.
Preferably, the screen switching mode controls the working modes of the handwriting board to include a horizontal screen mode, a first vertical screen mode and a second vertical screen mode, when the handwriting board is in the horizontal screen mode or the first vertical screen mode, the screen switching module outputs the output coordinates after scaling in equal proportion, and when the handwriting board is in the second vertical screen mode, the screen switching mode outputs the output coordinates after exchanging the X axis and the Y axis.
Preferably, when the handwriting board is in the first vertical screen mode, the handwriting board is transversely placed, the working area of the handwriting board is reduced, and a longitudinal rectangular area is reserved; when the handwriting board is in the second vertical screen mode, the handwriting board is rotated by 90 degrees and placed, so that the working area of the handwriting board corresponds to the screen of the upper computer.
Preferably, the writing pad further comprises a memory, and the memory is used for storing the working mode of the writing pad.
Preferably, the signal processing module includes: an amplifier for amplifying the sensing signal received by the antenna board and outputting an amplified signal; a signal processor which processes the amplified signal; an integration circuit that integrates the signal processed by the signal processor and outputs an integrated signal; and the analog-to-digital converter is used for performing analog-to-digital conversion on the integral signal and outputting a digital signal to obtain the coordinate signal of the electromagnetic pen, wherein the coordinate signal comprises position information and pressure information.
Preferably, the handwriting board further comprises a key arranged on one side of the handwriting board, the key is connected with the main control module and used for controlling the switching of the working mode of the handwriting board among a transverse screen mode, a first vertical screen mode and a second vertical screen mode.
The invention also provides a method for adapting the handwriting board to the upper computer, and the handwriting board comprises the following steps:
step S01, connecting the handwriting board with an upper computer;
step S02, the system identification module receives and identifies the instruction transmitted by the upper computer and sends the identification result to the main control module;
step S03, the main control module receives the result of the system identification module and the coordinate signal obtained by the signal processing module, and sends an instruction to the screen switching module to select a specific processing mode;
and step S04, the screen switching module selects the working mode of the handwriting board and the processing mode of the screen switching mode on the output coordinates according to the instruction of the main control module.
Preferably, in step S04, when the handwriting pad is in the horizontal screen mode or the first vertical screen mode, the handwriting pad is placed horizontally, and the screen switching module performs scaling on the output coordinates and outputs the scaled output coordinates; and when the handwriting board is in a second vertical screen mode, the handwriting board is placed by rotating 90 degrees, and the screen switching mode is used for exchanging the X axis and the Y axis of the output coordinate and then outputting the output coordinate.
Preferably, the connection mode in step S01 is a USB port or a bluetooth connection.
Preferably, in step S04, the processing manner of the output coordinates by the screen switching mode is implemented by a key of the tablet.
Compared with the prior art, the handwriting board provided by the invention has the advantages that the system identification module and the screen switching module are arranged for identifying the system of the upper computer, so that the handwriting board can be scaled in an equal proportion or the X axis and the Y axis of the output coordinate are exchanged, the shapes of the screen displays of the handwriting board and the upper computer are consistent, the handwriting board is favorable for a user to use the handwriting board for drawing and handwriting, and meanwhile, the handwriting board is convenient to be matched with different upper computers.
[ 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 block diagram of a handwriting board provided by the present invention;
FIG. 2 is a block diagram of a flow chart of a method for adapting a writing pad to an upper computer according to the present invention;
FIG. 3 is a schematic diagram of different working modes of the handwriting board provided by the invention;
fig. 4 is a schematic diagram of a manual switching mode of the handwriting board provided by the invention.
[ 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.
Referring to fig. 1, the present invention provides a handwriting pad 100, where the handwriting pad 100 includes an antenna board 10, a signal processing module 20 connected to the antenna board 10, a main control module 30 connected to the signal processing module 20, a system identification module 40, a screen switching module 50, and a memory 60, which are respectively connected to the main control module 30.
The antenna board 10 includes a plurality of X-axis coils and a plurality of Y-axis coils, each of the X-axis coils and each of the Y-axis coils are used for sending an excitation signal or receiving an induction signal generated by an electromagnetic pen under excitation of the excitation signal, and transmitting the induction signal to the signal processing module 20.
The signal processing module 20 is connected to the antenna board 10, and receives the sensing signal transmitted by the antenna board 10, and processes the sensing signal to obtain a coordinate signal. Specifically, the signal processing module 20 includes an amplifier 21, a signal processor 22, an integrating circuit 23, and an analog-to-digital converter 24. The amplifier 21 amplifies the sensing signal received by the antenna board 10 and outputs an amplified signal; the signal processor 22 processes the amplified signal; the integration circuit 23 integrates the signal processed by the signal processor 22 and outputs an integrated signal; the analog-to-digital converter 24 performs analog-to-digital conversion on the integral signal, outputs a digital signal, and obtains a coordinate signal of the electromagnetic pen, where the coordinate signal includes position information and pressure information.
The main control module 30 is connected to the signal processing module 20, the system identification module 40, and the screen switching module 50, and is configured to receive the result identified by the system identification module 40 and the coordinate signal obtained by the signal processing module 20, and send an instruction to the screen switching module 50 to select a specific processing mode.
The system identification module 40 is connected to the upper computer 200, and is configured to receive and identify an instruction transmitted by the upper computer 200, where the instruction includes an MS OS Descriptor instruction or a macOS driver identification instruction. The upper computer 200 may be a desktop computer, a notebook computer, a mobile phone, an e-reader or a tablet computer. Specifically, the system identification module 40 identifies that the system is the Windows system when receiving the MS OS Descriptor instruction, identifies that the system is the macOS system when receiving the macOS driver identification instruction, and identifies that the system is the Android system when not receiving the MS OS Descriptor instruction or the macOS driver identification instruction.
Referring to fig. 1 and 3, the screen switching module 50 processes the output coordinates of the sensing signal transmitted by the signal processing module 20 and then corresponds to the screen of the upper computer 200, wherein the processing includes scaling or exchanging the X axis and the Y axis of the output coordinates. Specifically, the screen switching mode 50 controls switching of the working modes of the handwriting board 100, where the working modes include a landscape mode 51, a first portrait mode 52, and a second portrait mode 53. When the handwriting pad 100 is in the horizontal screen mode 51 or the first vertical screen mode 52, the screen switching module 50 performs scaling on the output coordinates and outputs the scaled output coordinates; when the handwriting pad is in the second vertical screen mode 53, the screen switching mode 50 switches the X axis and the Y axis of the output coordinate and outputs the output coordinate. Further, when the handwriting board 100 is in the first vertical screen mode 52, the handwriting board 100 is horizontally placed, the working area thereof is reduced, and a longitudinal rectangular area is reserved; when the handwriting board 100 is in the second vertical screen mode 52, the handwriting board 100 is placed by rotating 90 degrees, so that the working area of the handwriting board corresponds to the screen of the upper computer 200.
The memory 60 is used for storing the working mode of the writing pad, which is convenient for the working mode of the writing pad.
Referring to fig. 1 and fig. 4, the handwriting board 100 further includes a key 70 disposed on one side of the handwriting board, and the key 70 is connected to the main control module 10 to control the switching of the working mode of the handwriting board 100 among the horizontal screen mode 51, the first vertical screen mode 52, and the second vertical screen mode 53. In this embodiment, the working modes of the tablet 100 are realized by simultaneously pressing two keys, specifically, simultaneously pressing the third key and the fourth key switches the working mode to the landscape mode 51, simultaneously pressing the second key and the fifth key switches the working mode to the first portrait mode 52, and simultaneously pressing the first key and the sixth key switches the working mode to the second portrait mode 53.
Referring to fig. 1 and fig. 2, the present invention further provides a method for adapting a handwriting board to an upper computer 200, which provides the handwriting board 100, including the following steps:
step S01, connecting the handwriting board with an upper computer 200 in a USB (universal serial bus) port or Bluetooth connection mode;
step S02, the system identification module receives and identifies the instruction transmitted by the upper computer 200 and sends the identification result to the main control module;
step S03, the main control module receives the result of the system identification module and the coordinate signal obtained by the signal processing module, and sends an instruction to the screen switching module to select a specific processing mode;
and step S04, the screen switching module selects the working mode of the handwriting board and the processing mode of the screen switching mode on the output coordinates according to the instruction of the main control module. When the handwriting board is in the horizontal screen mode 51 or the first vertical screen mode 52, the handwriting board is horizontally placed, and the screen switching module 50 performs scaling on the output coordinates and outputs the scaled output coordinates; when the handwriting pad is in the second vertical screen mode 53, the handwriting pad is placed by rotating 90 degrees, and the screen switching mode 50 exchanges the X axis and the Y axis of the output coordinate and outputs the result. In addition, the processing mode of the screen switching mode on the output coordinates can be realized through keys of the handwriting board.
Compared with the prior art, the handwriting board 100 provided by the invention is provided with the system recognition module 40 and the screen switching module 50 for recognizing the system of the upper computer 200, so that the system recognition module zooms in and zooms out or exchanges the X axis and the Y axis of output coordinates, the shapes of the screen displays of the handwriting board 100 and the upper computer 200 are consistent, a user can conveniently use the handwriting board 100 for handwriting and hand writing, and the handwriting and drawing board 100 can be conveniently adapted to different upper computers 200.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A writing pad, comprising:
an antenna plate: the electromagnetic pen is used for sending an excitation signal and receiving an induction signal generated by the electromagnetic pen under the excitation of the excitation signal;
the signal processing module: the induction signal is connected with the antenna plate, receives the induction signal transmitted by the antenna plate and processes the induction signal to obtain a coordinate signal;
a system identification module: the device comprises an upper computer, a processor and a control module, wherein the upper computer is connected with the lower computer and is used for receiving and identifying instructions transmitted by the upper computer, and the instructions comprise MS OS Descriptor instructions or macOS drive identification instructions;
a screen switching module: processing the output coordinates of the induction signals transmitted by the signal processing module and then corresponding the output coordinates to a screen of an upper computer, wherein the processing comprises scaling in equal proportion or exchanging an X axis and a Y axis of the output coordinates;
the main control module: and the screen switching module is connected with the signal processing module, the system identification module and the screen switching module and used for receiving the identification result of the system identification module and the coordinate signal obtained by the signal processing module and sending an instruction to the screen switching module to select a processing mode.
2. The handwriting board according to claim 1, wherein the screen switching mode controls the working modes of the handwriting board to include a landscape screen mode, a first portrait screen mode and a second portrait screen mode, when the handwriting board is in the landscape screen mode or the first portrait screen mode, the screen switching module outputs the output coordinates after scaling the output coordinates in equal proportion, and when the handwriting board is in the second portrait screen mode, the screen switching mode outputs the output coordinates after exchanging the X axis and the Y axis.
3. The handwriting board according to claim 2, wherein when the handwriting board is in the first vertical screen mode, the handwriting board is horizontally arranged, the working area is reduced, and a longitudinal rectangular area is reserved; when the handwriting board is in the second vertical screen mode, the handwriting board is rotated by 90 degrees and placed, so that the working area of the handwriting board corresponds to the screen of the upper computer.
4. A tablet according to claim 2, characterized in that the tablet further comprises a memory for storing the mode of operation of the tablet.
5. A writing pad according to claim 1, wherein the signal processing module comprises: an amplifier for amplifying the sensing signal received by the antenna board and outputting an amplified signal; a signal processor which processes the amplified signal; an integration circuit that integrates the signal processed by the signal processor and outputs an integrated signal; and the analog-to-digital converter is used for performing analog-to-digital conversion on the integral signal and outputting a digital signal to obtain the coordinate signal of the electromagnetic pen, wherein the coordinate signal comprises position information and pressure information.
6. The handwriting board according to claim 1, further comprising a key disposed on one side of the handwriting board, wherein the key is connected to the main control module for controlling the switching of the working mode of the handwriting board between the landscape screen mode, the first portrait screen mode and the second portrait screen mode.
7. A method of adapting a writing tablet to an upper computer, characterized in that a writing tablet according to claims 1-5 is provided, comprising the steps of:
step S01, connecting the handwriting board with an upper computer;
step S02, the system identification module receives and identifies the instruction transmitted by the upper computer and sends the identification result to the main control module;
step S03, the main control module receives the result of the system identification module and the coordinate signal obtained by the signal processing module, and sends an instruction to the screen switching module to select a specific processing mode;
and step S04, the screen switching module selects the working mode of the handwriting board and the processing mode of the screen switching mode on the output coordinates according to the instruction of the main control module.
8. The method for adapting a tablet of claim 7 to a host computer, wherein in step S04, when the tablet is in the landscape mode or the first portrait mode, the tablet is placed horizontally, and the screen switching module performs scaling on the output coordinates and outputs the scaled output coordinates; and when the handwriting board is in a second vertical screen mode, the handwriting board is placed by rotating 90 degrees, and the screen switching mode is used for exchanging the X axis and the Y axis of the output coordinate and then outputting the output coordinate.
9. The method for adapting a tablet to a host computer according to claim 7, wherein the connection mode in step S01 is a USB port or a bluetooth connection.
10. The method for adapting a tablet of claim 7 to a host computer, wherein the output coordinates are processed in the screen-switching mode in step S04 through the buttons of the tablet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010966061.9A CN112099672A (en) | 2020-09-15 | 2020-09-15 | Handwriting board and method for adapting same to upper computer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010966061.9A CN112099672A (en) | 2020-09-15 | 2020-09-15 | Handwriting board and method for adapting same to upper computer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113220146A (en) * | 2021-05-28 | 2021-08-06 | 深圳市绘王动漫科技有限公司 | Electromagnetic handwriting pen and electromagnetic handwriting equipment |
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