CN106445067B - method for reducing power consumption of electronic pen, low-power-consumption electronic pen and electronic writing system - Google Patents
method for reducing power consumption of electronic pen, low-power-consumption electronic pen and electronic writing system Download PDFInfo
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- CN106445067B CN106445067B CN201610785016.7A CN201610785016A CN106445067B CN 106445067 B CN106445067 B CN 106445067B CN 201610785016 A CN201610785016 A CN 201610785016A CN 106445067 B CN106445067 B CN 106445067B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3259—Power saving in cursor control device, e.g. mouse, joystick, trackball
-
- 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
-
- 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
- G06F3/0383—Signal control means within the pointing device
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Position Input By Displaying (AREA)
- User Interface Of Digital Computer (AREA)
- Power Sources (AREA)
Abstract
the application discloses a method for reducing power consumption of an electronic pen, which comprises the following steps: driving a touch validity detection module to work according to an electronic pen starting command; acquiring touch variation of an electronic pen, judging whether the touch variation is within a threshold range, if the touch variation exceeds the threshold range, confirming that the electronic pen is effectively touched with electronic equipment, driving a touch validity detection module to stop working, and driving a signal receiving module to work; receiving a writing signal sent by writing equipment, judging whether the writing signal is effective or not, and driving a signal amplification module to work if the writing signal is effective; amplifying the writing signal according to the amplification gain, outputting the amplified writing signal, and driving a signal transmitting module to work; sending the amplified writing signal to the writing device. The effect of reducing the power consumption of the electronic pen is achieved. The application also discloses a low-power electronic pen and an electronic writing system.
Description
Technical Field
the invention relates to the technical field of electronic writing, in particular to a method for reducing power consumption of an electronic pen, a low-power-consumption electronic pen and an electronic writing system.
Background
in the electronic writing system, a user turns on the key switch to control the use of the electronic pen before the electronic pen is used, however, in actual use, the electronic pen is turned on due to various conditions of the user, but is not used for a long time. Therefore, after the electronic pen is opened once, the electronic pen is powered off for the second writing, and the electronic pen needs to be charged before each use.
At present, a microswitch and other modes are designed on a pen point to turn on or turn off an electronic pen, and the pressure generated on a touch control panel by pen pressure further touches the microswitch to start an electronic pen system, however, the shake of the electronic pen during writing can influence the stability of the electronic pen system switch, and the biggest deficiency is that the microswitch cannot distinguish the electronic pen from touching objects, and when the electronic pen is not touched by writing equipment, the system can be turned on by mistake to cause a large amount of power loss.
therefore, how to reduce the power consumption of the electronic pen is a problem to be solved urgently by those skilled in the art.
disclosure of Invention
In order to solve the above technical problems, the present invention provides a method for reducing power consumption of an electronic pen, which effectively reduces the power consumption of the electronic pen.
In order to achieve the purpose, the invention provides the following technical scheme:
A method of reducing power consumption of an electronic pen, comprising:
driving a touch validity detection module to work according to an electronic pen starting command;
acquiring touch variation of an electronic pen, judging whether the touch variation is within a threshold range, if the touch exceeds the threshold range, confirming that the electronic pen is effectively touched with electronic equipment, driving a touch validity detection module to stop working, and driving a signal receiving module to work;
Receiving a writing signal sent by writing equipment, judging whether the writing signal is effective or not, and driving a signal amplification module to work if the writing signal is effective;
Amplifying the writing signal according to the amplification gain, outputting the amplified writing signal, and driving a signal transmitting module to work;
sending the amplified writing signal to the writing device.
preferably, in the method for reducing power consumption of an electronic pen, before receiving an electronic pen opening command sent by a user, the method further includes:
judging whether the electronic pen key is triggered or not;
and if the electronic pen key is triggered, generating an electronic pen starting command.
Preferably, in the method for reducing power consumption of an electronic pen, the method further includes:
if the variable quantity of the capacitance value of the electronic pen is within the threshold value range, confirming that the electronic pen is invalid in touch with the electronic equipment, and detecting invalid touch time;
Comparing the invalid touch time with a preset time range, and driving the electronic pen to stop working if the invalid touch time exceeds the preset time range;
and if the invalid touch time is within the preset time range, driving the touch validity detection module to work.
the invention also provides a low power consumption electronic pen, comprising:
The first driving module is used for driving the touch validity detection module to work according to the electronic pen starting command;
the touch validity detection module is used for acquiring touch variation of the electronic pen, judging whether the touch variation is within a threshold range, and confirming that the electronic pen is in valid touch with the electronic equipment;
the second driving module is used for driving the touch validity detection module to stop working and driving the signal receiving module to work if the touch variation is not within the threshold range;
the signal receiving module is used for receiving a writing signal sent by the writing equipment and judging whether the writing signal is effective or not, and if the writing signal is effective, the signal receiving module drives the signal amplifying module to work;
The signal amplification module is used for amplifying the writing signal according to the amplification gain, outputting the amplified writing signal and driving the signal emission module to work;
and the signal transmitting module is used for transmitting the amplified writing signal to the writing equipment.
preferably, the low power consumption electronic pen further includes:
and the key triggering module is used for judging whether the electronic pen key is triggered or not, and generating an electronic pen starting command if the electronic pen key is triggered.
preferably, the low power consumption electronic pen further includes:
the time detection module is used for detecting invalid touch time if the electronic pen and the electronic equipment are confirmed to be invalid in touch if the variable quantity of the capacitance value of the electronic pen is within the threshold range;
the third driving module is used for comparing the invalid touch time with a preset time range, and driving the electronic pen to stop working if the invalid touch time exceeds the preset time range;
and the fourth driving module is used for driving the touch validity detection module to work if the invalid touch time is within the preset time range.
preferably, the low power consumption electronic pen further includes:
And the signal receiving antenna is connected with the signal receiving module and is used for converting the received writing signals sent by the writing equipment into electric signals from electromagnetic wave signals.
preferably, the low power consumption electronic pen further includes:
and the signal transmitting antenna is connected with the signal transmitting module and is used for converting the writing signals sent by the writing equipment into electromagnetic wave signals from electric signals.
The invention also provides an electronic writing system, which further comprises the low-power-consumption electronic pen.
preferably, in the above electronic writing system, further comprising a writing device, the writing device comprising:
the signal sending module is used for sending the writing signal to the low-power-consumption electronic pen;
The signal identification module is used for identifying the amplified writing signal sent by the signal amplification module;
the signal analysis module is used for analyzing the amplified writing signal to obtain writing position information and writing force information;
and the writing display module is used for displaying writing contents according to the writing position information and the writing force information.
According to the technical scheme, the method for reducing the power consumption of the electronic pen provided by the invention comprises the following steps: driving a touch validity detection module to work according to an electronic pen starting command; acquiring touch variation of an electronic pen, judging whether the touch variation is within a threshold range, if the touch variation exceeds the threshold range, confirming that the electronic pen is effectively touched with electronic equipment, driving a touch validity detection module to stop working, and driving a signal receiving module to work; receiving a writing signal sent by writing equipment, judging whether the writing signal is effective or not, and driving a signal amplification module to work if the writing signal is effective; amplifying the writing signal according to the amplification gain, outputting the amplified writing signal, and driving a signal transmitting module to work; sending the amplified writing signal to the writing device.
according to the invention, the power consumption of the electronic pen is reduced through the power consumption control mode, after the electronic pen is triggered to be started, the touch validity detection module is opened, whether the electronic pen is effectively contacted with the electronic equipment or not is detected, and if the touch detection is invalid, the electronic pen only consumes power by the touch validity module; if the touch detection is effective, the electronic pen turns on the signal receiving module and the signal amplification module to process the received signal. When the electronic pen starts to receive the writing signal transmitted by the writing equipment through the signal receiving module, whether the writing signal is a valid signal or not is firstly identified, if the writing signal is the valid signal, the electronic pen starts the signal amplifying module and the signal transmitting module, and if the writing signal is the invalid signal, the electronic pen is closed.
different from the prior art, once the electronic pen is started, in the whole process of signal transmission and processing in the working process of the electronic pen, each module is in an open state, and consumes a large amount of electric energy and power consumption.
The invention also provides a low-power consumption electronic pen and an electronic writing system comprising the low-power consumption electronic pen, which have the effects.
Drawings
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flowchart of a method for reducing power consumption of an electronic pen according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a low power consumption electronic pen according to an embodiment of the present invention.
Detailed Description
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, fig. 1 is a flowchart illustrating a method for reducing power consumption of an electronic pen according to an embodiment of the present invention.
In a specific embodiment, a method for reducing power consumption of an electronic pen is provided, which includes the following steps:
Step S1: and driving the touch validity detection module to work according to the electronic pen starting command.
And waiting for triggering of an electronic pen key switch or other types of mechanical switches by a user, generating an electronic pen starting command if the electronic pen key switch or other types of mechanical switches are touched, and continuing to wait for triggering of the user if the electronic pen key switch or other types of mechanical switches are not triggered.
Step S2: the method comprises the steps of obtaining the touch variation of an electronic pen, judging whether the touch variation is within a threshold range, confirming that the electronic pen is effectively touched with electronic equipment if the variation of the capacitance value of the electronic pen exceeds within the threshold range, driving the touch validity detection module to stop working, and driving a signal receiving module to work.
wherein, start touching validity identification, the touching variable quantity can be the capacitance value variable quantity, also can be the pressure variable quantity, selects according to actual conditions. The present embodiment takes the capacitance variation as an example. Through the variable quantity of the capacitance value of the detection nib, whether the electronic pen touches the written equipment is identified, when the variable quantity of the capacitance value of the detection nib does not exceed the set threshold value, the touch is judged to be invalid, the written equipment is not touched, and the electronic pen is always in low-speed and continuous touch validity detection. And if the capacitance value variation of the pen point exceeds a set threshold value, determining that the electronic pen is effectively touched with the electronic equipment, and closing the touch validity detection module for reducing power consumption because the touch validity detection module does not need to work again. And the signal receiving module is always in a closed state in the steps, and the signal receiving module is opened to receive the writing signal from the writing equipment only when the electronic pen is effectively touched with the electronic equipment and the writing signal needs to be received from the writing equipment.
Step S3: receiving a writing signal sent by writing equipment, judging whether the writing signal is effective or not, and driving a signal amplification module to work if the writing signal is effective;
Write the signal and be used for discerning the signal of external object for writing equipment sends, in this application, external object is the electronic pen, writes the signal and makes to produce the contact between writing equipment and the electronic pen, handles it after the electronic pen receives and writes the signal, sends the writing signal after handling again to writing equipment, writes the equipment surface display and writes content. The signal amplification module is always in a closed state before the electronic pen and the electronic equipment are effectively touched, and only when the touch is effective and the signal receiving module receives a writing signal, the signal amplification module needs to be opened for signal processing and then closed after the signal is amplified, so that the power consumption is reduced.
step S4: amplifying the writing signal according to the amplification gain, outputting the amplified writing signal, and driving a signal transmitting module to work;
Before the signal amplification module amplifies the signal, the signal transmission module is in a closed state, and after the signal amplification module amplifies the signal, the signal transmission module is started to work, so that the power consumption is reduced.
step S5: sending the amplified writing signal to the writing device.
According to the invention, the power consumption of the electronic pen is reduced through the power consumption control mode, after the electronic pen is triggered to be started, the touch validity detection module is opened, whether the electronic pen is effectively contacted with the electronic equipment or not is detected, and if the touch detection is invalid, the electronic pen only consumes power by the touch validity module; if the touch detection is effective, the electronic pen turns on the signal receiving module and the signal amplification module to process the received signal. When the electronic pen starts to receive the writing signal transmitted by the writing equipment through the signal receiving module, whether the writing signal is a valid signal or not is firstly identified, if the writing signal is the valid signal, the electronic pen starts the signal amplifying module and the signal transmitting module, and if the writing signal is the invalid signal, the electronic pen is closed. Different from the prior art, once the electronic pen is started, in the whole process of signal transmission and processing in the working process of the electronic pen, each module is in an open state, and consumes a large amount of electric energy and power consumption.
further, in the method for reducing power consumption of an electronic pen, before receiving an electronic pen opening command sent by a user, the method further includes:
Judging whether the electronic pen key is triggered or not;
And if the electronic pen key is triggered, generating an electronic pen starting command.
further, in the method for reducing power consumption of the electronic pen, the method further includes:
if the variable quantity of the capacitance value of the electronic pen is within the threshold value range, confirming that the electronic pen is invalid in touch with the electronic equipment, and detecting invalid touch time;
Comparing the invalid touch time with a preset time range, and driving the electronic pen to stop working if the invalid touch time exceeds the preset time range;
and if the invalid touch time is within the preset time range, driving the touch validity detection module to work.
fig. 1 is a schematic structural diagram of a low power consumption electronic pen according to an embodiment of the present invention.
in another specific embodiment, the present invention further provides a low power consumption electronic pen, corresponding to the method for reducing power consumption of an electronic pen, including:
The first driving module 01 is used for driving the touch validity detection module to work according to the electronic pen starting command;
The touch validity detection module 02 is configured to obtain a touch variation of the electronic pen, determine whether the touch variation is within a threshold range, and confirm that the electronic pen and the electronic device are in valid touch;
the second driving module 03 is configured to drive the touch validity detection module to stop working and drive the signal receiving module to work if the variation of the capacitance value of the electronic pen is not within the threshold range;
The signal receiving module 04 is used for receiving a writing signal sent by the writing device and judging whether the writing signal is valid or not, and if the writing signal is valid, the signal amplifying module is driven to work;
the signal amplification module 05 is used for amplifying the writing signal according to the amplification gain, outputting the amplified writing signal and driving the signal emission module to work;
And the signal transmitting module 06 is used for transmitting the amplified writing signal to the writing device.
Further, in the low power consumption electronic pen, the method further includes:
And the key triggering module is used for judging whether the electronic pen key is triggered or not, and generating an electronic pen starting command if the electronic pen key is triggered.
Further, in the low power consumption electronic pen, the method further includes:
The time detection module is used for detecting invalid touch time if the electronic pen and the electronic equipment are confirmed to be invalid in touch if the variable quantity of the capacitance value of the electronic pen is within the threshold range;
The third driving module is used for comparing the invalid touch time with a preset time range, and driving the electronic pen to stop working if the invalid touch time exceeds the preset time range;
and the fourth driving module is used for driving the touch validity detection module to work if the invalid touch time is within the preset time range.
Further, in the low power consumption electronic pen, the method further includes:
and the signal receiving antenna is connected with the signal receiving module and is used for converting the received writing signals sent by the writing equipment into electric signals from electromagnetic wave signals.
further, in the low power consumption electronic pen, the method further includes:
And the signal transmitting antenna is connected with the signal transmitting module and is used for converting the writing signals sent by the writing equipment into electromagnetic wave signals from electric signals.
the invention also provides an electronic writing system comprising the low-power electronic pen.
preferably, in the above electronic writing system, further comprising a writing device, the writing device comprising:
The signal sending module is used for sending the writing signal to the low-power-consumption electronic pen;
the signal identification module is used for identifying the amplified writing signal sent by the signal amplification module;
The signal analysis module is used for analyzing the amplified writing signal to obtain writing position information and writing force information;
And the writing display module is used for displaying writing contents according to the writing position information and the writing force information.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method for reducing power consumption of an electronic pen, comprising:
driving a touch validity detection module to work according to an electronic pen starting command;
acquiring touch variation of an electronic pen, judging whether the touch variation is within a threshold range, if the touch variation exceeds the threshold range, confirming that the electronic pen is effectively touched with electronic equipment, driving a touch validity detection module to stop working, and driving a signal receiving module to work;
Receiving a writing signal sent by writing equipment, judging whether the writing signal is effective or not, and driving a signal amplification module to work if the writing signal is effective;
amplifying the writing signal according to the amplification gain, outputting the amplified writing signal, and driving a signal transmitting module to work;
sending the amplified writing signal to the writing device.
2. the method for reducing power consumption of an electronic pen according to claim 1, wherein before the driving the touch validity detection module to operate according to the electronic pen on command, the method further comprises:
judging whether the electronic pen key is triggered or not;
And if the electronic pen key is triggered, generating an electronic pen starting command.
3. method for reducing power consumption of an electronic pen according to claim 2,
further comprising:
if the touch is within the threshold range, confirming that the touch between the electronic pen and the electronic equipment is invalid, and detecting invalid touch time;
Comparing the invalid touch time with a preset time range, and driving the electronic pen to stop working if the invalid touch time exceeds the preset time range;
And if the invalid touch time is within the preset time range, driving the touch validity detection module to work.
4. A low power consumption electronic pen, comprising:
the first driving module is used for driving the touch validity detection module to work according to the electronic pen starting command;
The touch validity detection module is used for acquiring touch variation of the electronic pen, judging whether the touch variation is within a threshold range, and confirming that the electronic pen is in valid touch with the electronic equipment;
the second driving module is used for driving the touch validity detection module to stop working and driving the signal receiving module to work if the touch variation is not within the threshold range;
The signal receiving module is used for receiving a writing signal sent by the writing equipment and judging whether the writing signal is effective or not, and if the writing signal is effective, the signal receiving module drives the signal amplifying module to work;
the signal amplification module is used for amplifying the writing signal according to the amplification gain, outputting the amplified writing signal and driving the signal emission module to work;
and the signal transmitting module is used for transmitting the amplified writing signal to the writing equipment.
5. the low power electronic pen of claim 4, further comprising:
and the key triggering module is used for judging whether the electronic pen key is triggered or not, and generating an electronic pen starting command if the electronic pen key is triggered.
6. The low power electronic pen of claim 5, further comprising:
The time detection module is used for detecting invalid touch time if the electronic pen and the electronic equipment are confirmed to be invalid in touch if the variable quantity of the capacitance value of the electronic pen is within the threshold range;
the third driving module is used for comparing the invalid touch time with a preset time range, and driving the electronic pen to stop working if the invalid touch time exceeds the preset time range;
And the fourth driving module is used for driving the touch validity detection module to work if the invalid touch time is within the preset time range.
7. the low power electronic pen of claim 6, further comprising:
And the signal receiving antenna is connected with the signal receiving module and is used for converting the received writing signals sent by the writing equipment into electric signals from electromagnetic wave signals.
8. The low power electronic pen of claim 6, further comprising:
and the signal transmitting antenna is connected with the signal transmitting module and is used for converting the writing signals sent by the writing equipment into electromagnetic wave signals from electric signals.
9. an electronic writing system comprising a low power electronic pen according to any one of claims 4 to 8.
10. the electronic writing system of claim 9, further comprising a writing device, the writing device comprising:
the signal sending module is used for sending the writing signal to the low-power-consumption electronic pen;
the signal identification module is used for identifying the amplified writing signal sent by the signal amplification module;
the signal analysis module is used for analyzing the amplified writing signal to obtain writing position information and writing force information;
and the writing display module is used for displaying writing contents according to the writing position information and the writing force information.
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CN107831944B (en) * | 2017-11-28 | 2020-06-26 | 广州视源电子科技股份有限公司 | Touch display system |
CN110955341B (en) * | 2018-09-27 | 2023-06-09 | 焕德科技股份有限公司 | Touch pen and operation method thereof |
CN109491525B (en) * | 2018-11-13 | 2022-04-01 | 宁波视睿迪光电有限公司 | Method and device for realizing low power consumption of interactive pen |
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 |
CN111124161B (en) * | 2019-12-30 | 2023-04-28 | 深圳市千分一智能技术有限公司 | Touch pen power consumption control circuit and capacitive touch pen |
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