CN113721778A - Drawing pen function distinguishing method, device and equipment - Google Patents
Drawing pen function distinguishing method, device and equipment Download PDFInfo
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- CN113721778A CN113721778A CN202111170665.3A CN202111170665A CN113721778A CN 113721778 A CN113721778 A CN 113721778A CN 202111170665 A CN202111170665 A CN 202111170665A CN 113721778 A CN113721778 A CN 113721778A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 230000006641 stabilisation Effects 0.000 claims abstract description 7
- 238000011105 stabilization Methods 0.000 claims abstract description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 26
- 230000007547 defect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
- G06F3/0386—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry for light pen
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- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention provides a drawing pen function distinguishing method, device and system. The method includes a step S1 of receiving a first electrical signal and transmitting the first electrical signal to the outside; step S2, converting the first electric signal into a power signal through rectification and voltage stabilization; step S3, providing the power signal to a main control circuit and a first detection circuit, where the first detection circuit receives the first electrical signal and triggers generation of a first interrupt electrical signal; and step S4, generating a first digital signal according to the first interrupt electric signal, and calling different functions corresponding to the drawing pen according to different output intervals of the first digital signal. The invention solves the defects of easy noise interference caused by the need of larger bandwidth in the prior art, and the defects of more complex circuit and higher cost caused by the need of designing different filter circuits for electromagnetic wave signals with different frequencies.
Description
Technical Field
The invention relates to the technical field of writing boards, in particular to a drawing pen function distinguishing method, device and equipment.
Background
According to the record of CN 209216052U, the application of electromagnetic touch technology in the handwriting field opens a brand-new original handwriting input era, the electromagnetic pen writes on the electromagnetic screen to realize the advantages of signature of the original handwriting, character recording of the original handwriting and the like, the electromagnetic touch technology is gradually recognized and accepted by consumers, and the application field is increasingly wide.
However, with the demand of actual work, people are more and more diversified in the functional requirements of the electromagnetic pen, one electromagnetic pen may have multiple functions of erasing, writing, altering and the like, and in the actual writing process, the functions of the electromagnetic pen need to be distinguished, so that the actual use requirements of customers are met.
According to the record of CN 207473565U, in the prior art, if a certain function of the electromagnetic pen needs to be called, each function of the electromagnetic pen corresponds to a different electromagnetic wave frequency, for example, when the written handwriting needs to be erased, a circuit inside the electromagnetic pen emits an electromagnetic wave signal, the electromagnetic wave signal is transmitted to the electromagnetic signal processing unit, and according to the difference of the frequency, it can be determined that the electromagnetic pen is an erasing signal, so as to erase the corresponding handwriting according to the moving track of the electromagnetic pen. The wireless transmitter sends the electromagnetic signal to the intelligent terminal, and the intelligent terminal synchronously removes corresponding handwriting. Similarly, different functions transmitted by the electromagnetic signal can be identified according to different frequencies of the electromagnetic signal.
However, in the prior art, the following technical problems exist in the process of judging different functions of the electromagnetic pen through different frequencies:
1. electromagnetic wave signals with different frequencies need to be generated, and a larger bandwidth is needed, so that the arrangement of the large bandwidth is easily interfered by noise.
2. Different filter circuits need to be designed for electromagnetic wave signals with different frequencies at the receiving end of the electromagnetic pen, so that the circuit is complex.
3. In order to generate electromagnetic wave signals with different frequencies, at least two sets of resonant circuits with different frequencies are needed, which results in higher cost.
Therefore, it is necessary to develop a method, device and system for differentiating functions of a drawing pen to solve the above problems.
Disclosure of Invention
In order to solve the technical problems of susceptibility to noise interference, complex circuit and high cost, the invention provides a drawing pen function distinguishing method with good stability and simple circuit, wherein the drawing pen comprises a tip and a pen body, the tip comprises a head end and a tail end, and the tail end is arranged corresponding to the head end; the pen body is arranged between the head end and the tail end, and the method comprises the following steps:
step S1, receiving a first electrical signal and transmitting the first electrical signal to the outside;
step S2, converting the first electric signal into a power signal through rectification and voltage stabilization;
step S3, providing the power signal to a main control circuit and a first detection circuit, where the first detection circuit receives the first electrical signal and triggers generation of a first interrupt electrical signal;
and step S4, generating a first digital signal according to the interrupt electric signal, and calling different functions corresponding to the drawing pen according to different output intervals of the first digital signal.
Preferably, the method further comprises:
step SA, receiving a second electric signal and transmitting the second electric signal outwards;
step SB, converting the second electric signal into a power supply signal through rectification and voltage stabilization;
step SC, the power signal is provided for a main control circuit and a second detection circuit, and the second detection circuit receives the second electric signal to trigger generation of a second interrupt electric signal;
and SD, generating a second digital signal according to the second interrupt electric signal, and calling different functions corresponding to the drawing pen according to different output intervals of the second digital signal.
Preferably, the first electrical signal and the second electrical signal have the same frequency.
Preferably, the rectifying and voltage stabilizing process includes a rectifying process and a voltage stabilizing process.
The invention also provides a device for distinguishing the functions of the drawing pen, which comprises a head end, a first resonant circuit, a first rectifying and voltage stabilizing circuit, a first detection circuit and a main control circuit, wherein the head end interacts with the writing board; the first resonant circuit is used for receiving the first electric signal; the first rectifying and voltage stabilizing circuit converts the first electric signal into a power signal through rectifying and voltage stabilizing processing and provides the power signal to the main control circuit and the first detection circuit; the first detection circuit receives the first electric signal and triggers to generate a first interrupt electric signal to the main control circuit; the main control circuit generates a first digital signal according to the first interrupt electric signal, and calls different functions corresponding to the drawing pen according to different output intervals of the first digital signal and different pressure signals. The first resonance circuit transmits the first electric signal to the rectifying and voltage stabilizing circuit and the detection circuit.
Preferably, the device for distinguishing the functions of the drawing pen provided by the invention further comprises a tail end, a second resonance circuit, a second rectification voltage stabilizing circuit, a second detection circuit and the main control circuit, wherein the tail end interacts with the writing board; the second resonant circuit is used for receiving the second electric signal; the second rectifying and voltage-stabilizing circuit converts the second electric signal into a power signal through rectifying and voltage-stabilizing processing and provides the power signal to the main control circuit and the second detection circuit; the second detection circuit receives the second electric signal and triggers to generate a second interrupt electric signal to the main control circuit; the main control circuit generates a second digital signal according to the second interrupt electric signal, and calls different functions corresponding to the drawing pen according to different output intervals of the second digital signal and different pressure signals; and the resonance circuit transmits the second electric signal to the rectification voltage stabilizing circuit and the detection circuit.
Preferably, the first electrical signal and the second electrical signal have the same frequency.
Preferably, the first rectifying and voltage stabilizing circuit and the second rectifying and voltage stabilizing circuit both comprise a rectifying circuit and a voltage stabilizing circuit, and the rectifying circuit and the voltage stabilizing circuit are connected in series.
Preferably, the drawing pen function-distinguishing device only has one voltage stabilizing circuit.
The invention also provides equipment with the function distinction of the drawing pen, which comprises the drawing pen and a writing board, wherein the writing board is electrically connected with the drawing pen.
Preferably, contact between said tip and said writing pad generates said pressure signal.
Preferably, the apparatus further comprises a modulation circuit, which generates the first electrical signal.
Preferably, the modulation circuit includes a first modulation circuit and a second modulation circuit.
Preferably, the head end and the tail end output have different functions, the tail end output function is a writing function, and the head end output function is an erasing function.
Compared with the prior art, the method, the device and the system for distinguishing the functions of the drawing pen provided by the invention have the advantages that the first electric signal is received, rectified and stabilized and converted into the power signal; receiving the first electric signal, and converting the first electric signal into an interrupt electric signal according to the first electric signal; and generating the digital signal according to the interrupt electric signal, and controlling the output interval of the transmitting electric signal according to the difference of the output interval of the digital signal and the difference of the pressure signal. The invention controls the difference of the output intervals of the transmitting electric signals through the digital signals, thereby controlling the different functions of the drawing pen, solving the defect that the drawing pen is easy to be interfered by noise caused by the need of larger bandwidth in the prior art, and the defect that the circuit is more complicated and the cost is higher because different filter circuits are needed to be designed for electromagnetic wave signals with different frequencies.
Drawings
FIG. 1 is a schematic structural diagram of a drawing pen according to the present invention;
FIG. 2 is a flow chart of a method for differentiating functions of a head end of a drawing pen according to the present invention;
FIG. 3 is a flow chart of a method for differentiating functions of a trailing end of a plotter pen according to the present invention;
FIG. 4 is a schematic diagram of a functional device of a drawing pen according to the present invention;
FIG. 5 is a schematic diagram of a functional device of a drawing pen according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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, fig. 1 is a schematic structural diagram of a drawing pen 10 according to the present invention. The drawing pen 10 comprises a head end 11, a tail end 15, a button 30 and a pen body 13, wherein the tail end 15 corresponds to the head end 11, the pen body 13 is arranged between the head end 11 and the tail end 15, and the button 30 is arranged on the pen body 13 and used for inputting functional signals.
Referring to fig. 2, fig. 2 is a flowchart illustrating a method for distinguishing functions of a head end of a drawing pen according to the present invention. The drawing pen function distinguishing method comprises the following steps:
step S1, receiving a first electrical signal and transmitting the first electrical signal to the outside;
step S2, converting the first electric signal into a power signal through rectification and voltage stabilization;
step S3, providing the power signal to a main control circuit and a first detection circuit, where the first detection circuit receives the first electrical signal and triggers generation of a first interrupt electrical signal;
and step S4, generating a first digital signal according to the interrupt electric signal, and calling different functions corresponding to the drawing pen according to different output intervals of the first digital signal.
Referring to fig. 3, fig. 3 is a flowchart illustrating a method for distinguishing functions of a tail end of a drawing pen according to the present invention;
step SA, receiving a second electric signal and transmitting the second electric signal outwards;
step SB, converting the second electric signal into a power supply signal through rectification and voltage stabilization;
step SC, the power signal is provided for a main control circuit and a second detection circuit, and the second detection circuit receives the second electric signal to trigger generation of a second interrupt electric signal;
and SD, generating a second digital signal according to the second interrupt electric signal, and calling different functions corresponding to the drawing pen according to different output intervals of the second digital signal.
Referring to fig. 1, 4 and 5, fig. 4 is a schematic structural diagram of a device for distinguishing functions of a plotter pen according to the present invention, and fig. 5 is a schematic structural diagram of a device for distinguishing functions of a plotter pen according to the present invention.
The device comprises a head end 11, a first modulation circuit 22, a first resonance circuit 12, a first rectification voltage-stabilizing circuit, a first detection circuit 16 and a main control circuit 18, wherein the head end 11 interacts with a writing board 20; the first resonant circuit 12 is configured to receive the first electrical signal; the first rectifying and voltage-stabilizing circuit converts the first electric signal into a power signal through rectifying and voltage-stabilizing processing and provides the power signal to the first detection circuit 16 and the main control circuit 18; the first detection circuit 16 receives the first electrical signal trigger, and generates a first interrupt electrical signal to the main control circuit 18; the main control circuit 18 generates a first digital signal according to the first interrupt electrical signal, and invokes different functions corresponding to the drawing pen 10 according to different output intervals of the first digital signal and different pressure signals. The first resonant circuit 12 transmits the first electrical signal to a rectifying and voltage stabilizing circuit and a detection circuit 16. The rectifying and voltage stabilizing circuit comprises a first rectifying circuit 14 and a voltage stabilizing circuit 19, and the first rectifying circuit 14 and the voltage stabilizing circuit 19 respectively rectify and stabilize the first electric signal.
Referring to fig. 1, 4 and 5, fig. 4 is a schematic structural diagram of a device for distinguishing functions of a plotter pen according to the present invention, and fig. 5 is a schematic structural diagram of a device for distinguishing functions of a plotter pen according to the present invention.
The device comprises a tail end 15, a second modulation circuit 22, a second resonance circuit 12, a second rectification voltage-stabilizing circuit, a second detection circuit 16 and a main control circuit 18, wherein the tail end 15 interacts with a writing board 20; the second resonant circuit 12 is configured to receive the second electrical signal; the second rectifying and voltage-stabilizing circuit converts the second electric signal into a power signal through rectifying and voltage-stabilizing processing and provides the power signal to the second detection circuit 16 and the main control circuit 18; the second detection circuit 16 receives the second electrical signal trigger, and generates a second interrupt electrical signal to the main control circuit 18; the main control circuit 18 generates a second digital signal according to the second interrupt electrical signal, and invokes different functions corresponding to the drawing pen 10 according to different output intervals of the second digital signal and different pressure signals. The second resonant circuit 12 transmits the second electrical signal to a rectifying and voltage stabilizing circuit and a detection circuit 16. The rectifying and voltage-stabilizing circuit comprises a second rectifying circuit 14 and a voltage-stabilizing circuit 19, and the second rectifying circuit 14 and the voltage-stabilizing circuit 19 respectively rectify and stabilize the second electric signal.
Referring to fig. 1 and 5, fig. 5 is a schematic structural diagram of a device for distinguishing functions of a plotter pen according to the present invention. The device comprises a writing board 20 and a drawing pen 10, wherein the writing board 20 and the drawing pen 10 are electrically connected. In the actual use process of the writing board 20 and the drawing pen 10, the writing board 20 and the drawing pen 10 need to be used together. The writing board 20 and the drawing pen 10 are connected by radio, the head end 11 and the tail end 15 of the drawing pen 10 are contacted with the writing board 20 to generate pressure signals, and the button 30 can trigger different functions, and the different functions are combined with the pressure signals and the different output intervals of the digital signals, so that the output functions are different.
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 (10)
1. A drawing pen function distinguishing method, the drawing pen comprising:
a tip, comprising: a head end;
the tail end is arranged corresponding to the head end; and
the pen body is arranged between the head end and the tail end, and is characterized by comprising the following steps:
step S1, receiving a first electrical signal and transmitting the first electrical signal to the outside;
step S2, converting the first electric signal into a power signal through rectification and voltage stabilization;
step S3, providing the power signal to a main control circuit and a first detection circuit, where the first detection circuit receives the first electrical signal and triggers generation of a first interrupt electrical signal;
and step S4, generating a first digital signal according to the first interrupt electric signal, and calling different functions corresponding to the drawing pen according to different output intervals of the first digital signal.
2. The method of claim 1, further comprising:
step SA, receiving a second electric signal and transmitting the second electric signal outwards;
step SB, converting the second electric signal into a power supply signal through rectification and voltage stabilization;
step SC, the power signal is provided for a main control circuit and a second detection circuit, and the second detection circuit receives the second electric signal to trigger generation of a second interrupt electric signal;
and SD, generating a second digital signal according to the second interrupt electric signal, and calling different functions corresponding to the drawing pen according to different output intervals of the second digital signal.
3. The method of claim 2, wherein the first electrical signal and the second electrical signal are at the same frequency.
4. The method of claim 2, wherein the rectifying and voltage stabilizing process comprises a rectifying process and a voltage stabilizing process.
5. A device for differentiating functions of a plotter pen, comprising:
a head end for interacting with a writing tablet;
a first resonant circuit for receiving the first electrical signal;
the first rectifying and voltage-stabilizing circuit converts the first electric signal into a power signal through rectifying and voltage-stabilizing processing and provides the power signal to the detection circuit and the main control circuit;
the first detection circuit receives the first electric signal and triggers to generate a first interrupt electric signal to the main control circuit;
the main control circuit generates a first digital signal according to the first interrupt electric signal, and calls different functions corresponding to the drawing pen according to different output intervals of the first digital signal and different pressure signals;
the first resonance circuit transmits the first electric signal to the rectifying and voltage stabilizing circuit and the detection circuit.
6. The apparatus of claim 5, further comprising:
a tail end for interacting with the writing tablet;
a second resonant circuit for receiving the second electrical signal;
the second rectifying and voltage-stabilizing circuit converts the second electric signal into a power signal through rectifying and voltage-stabilizing processing and provides the power signal to the detection circuit and the main control circuit;
the second detection circuit receives the second electric signal and triggers to generate a second interruption electric signal to the main control circuit;
the main control circuit generates a second digital signal according to the second interrupt electric signal, and calls different functions corresponding to the drawing pen according to different output intervals of the second digital signal and different pressure signals;
and the resonance circuit transmits the second electric signal to the rectification voltage stabilizing circuit and the detection circuit.
7. The apparatus of claim 6, wherein the first electrical signal and the second electrical signal are at the same frequency.
8. The apparatus of claim 6, wherein said first rectifying and stabilizing circuit and said second rectifying and stabilizing circuit each comprise a rectifying circuit and a stabilizing circuit, said rectifying circuit and said stabilizing circuit being connected in series.
9. An apparatus for differentiating functions of a plotter pen, comprising:
the drawing pen of any one of claims 1 to 9;
and the writing board is electrically connected with the drawing pen.
10. The apparatus of claim 9, wherein contact between the tip and the writing pad generates the pressure signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111170665.3A CN113721778B (en) | 2021-10-08 | 2021-10-08 | Drawing pen function distinguishing method, device and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111170665.3A CN113721778B (en) | 2021-10-08 | 2021-10-08 | Drawing pen function distinguishing method, device and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113721778A true CN113721778A (en) | 2021-11-30 |
| CN113721778B CN113721778B (en) | 2024-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111170665.3A Active CN113721778B (en) | 2021-10-08 | 2021-10-08 | Drawing pen function distinguishing method, device and equipment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09146683A (en) * | 1995-11-27 | 1997-06-06 | Nec Home Electron Ltd | Tablet device |
| US20110297457A1 (en) * | 2010-06-08 | 2011-12-08 | Chia-Jui Yeh | Electromagnetic pen with a multi-functions tail part |
| CN207473565U (en) * | 2017-12-11 | 2018-06-08 | 青岛罗博数码科技有限公司 | A kind of intelligent writing device |
| US20180217685A1 (en) * | 2016-04-28 | 2018-08-02 | Guangdong Zonghua Touch Control Technology Co. Ltd . | A real handwriting stylus and a touch device with rf transceiver function |
| CN110308807A (en) * | 2019-07-16 | 2019-10-08 | 汉王科技股份有限公司 | A kind of capacitance pen, control method and touch-control system |
| CN212586850U (en) * | 2020-06-10 | 2021-02-23 | 深圳市鸿合创新信息技术有限责任公司 | Capacitive active pen and electronic equipment |
-
2021
- 2021-10-08 CN CN202111170665.3A patent/CN113721778B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09146683A (en) * | 1995-11-27 | 1997-06-06 | Nec Home Electron Ltd | Tablet device |
| US20110297457A1 (en) * | 2010-06-08 | 2011-12-08 | Chia-Jui Yeh | Electromagnetic pen with a multi-functions tail part |
| US20180217685A1 (en) * | 2016-04-28 | 2018-08-02 | Guangdong Zonghua Touch Control Technology Co. Ltd . | A real handwriting stylus and a touch device with rf transceiver function |
| CN207473565U (en) * | 2017-12-11 | 2018-06-08 | 青岛罗博数码科技有限公司 | A kind of intelligent writing device |
| CN110308807A (en) * | 2019-07-16 | 2019-10-08 | 汉王科技股份有限公司 | A kind of capacitance pen, control method and touch-control system |
| CN212586850U (en) * | 2020-06-10 | 2021-02-23 | 深圳市鸿合创新信息技术有限责任公司 | Capacitive active pen and electronic equipment |
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| CN113721778B (en) | 2024-09-24 |
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