CN112817476A - Touch screen power supply interference identification processing method - Google Patents
Touch screen power supply interference identification processing method Download PDFInfo
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- CN112817476A CN112817476A CN202110079212.3A CN202110079212A CN112817476A CN 112817476 A CN112817476 A CN 112817476A CN 202110079212 A CN202110079212 A CN 202110079212A CN 112817476 A CN112817476 A CN 112817476A
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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
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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Abstract
The invention discloses a touch screen power supply interference identification processing method, which comprises the following steps: setting a processor to prepare for recording an input signal; setting a first threshold, a second threshold and a third threshold; collecting contact peripheral channel node data; processing the data to obtain an input signal; comparing the input signal with a first threshold value to determine whether the input signal is smaller than the first threshold value; comparing the input signal with a second threshold value to determine whether the input signal is greater than the second threshold value; the input signal is compared with a third threshold value, whether the input signal is smaller than the third threshold value or not is judged, the input signal input by the user is judged, whether the user wears gloves or not is accurately judged, the input signal which wears the gloves is recorded into a database of the processor, the third threshold value is periodically recalculated in a time node, the third threshold value which is continuously and repeatedly calculated is more accurate along with the development of time, more and more people are used, more and more types of the worn gloves are used, and the judged structure is more and more accurate.
Description
Technical Field
The invention relates to the field of processing methods, in particular to a touch screen power supply interference identification processing method.
Background
Among the currently used touch screens, the capacitive touch screen is becoming more and more popular, the capacitive touch screen uses ITO material, its power consumption is low and its service life is long, along with the friendly man-machine interface provided by iPhone introduced by Apple, the smooth operation performance makes the capacitive touch screen have been popular in the market, and the trend of gradually replacing resistive touch screen begins to appear, when the surface of the touch screen is touched by fingers, a certain amount of charges are transferred to human body, in order to recover these charge losses, charges are replenished from four corners of the screen, the amount of charges replenished in each direction is proportional to the distance of touch point, so we can calculate the touch position conveniently, but in the use of the current touch screen, along with the continuous improvement of people's health and safety consciousness, especially under the epidemic situation, the touch of the touch screen in public places, people are more cautious, and for their own safety, people begin to wear various gloves, the traditional touch screen has poor glove identification capability, and because the types of gloves are too many and the updating is fast, the identification is more difficult along with the more types of the worn gloves.
Disclosure of Invention
The invention mainly aims to provide a touch screen power supply interference identification processing method which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a touch screen power supply interference identification processing method comprises the following steps:
s1, setting a processor to prepare for recording the input signal;
s2, setting a first threshold, a second threshold and a third threshold;
s3, collecting contact peripheral channel node data;
s4, processing the data to obtain an input signal;
s5, comparing the input signal with the first threshold, judging whether the input signal is smaller than the first threshold, if so, entering S6, and if not, indicating that the input signal is a non-contact signal and not processing the signal;
s6, comparing the input signal with a second threshold value, judging whether the input signal is larger than the second threshold value, if so, entering S7, and if the input signal is smaller than the second threshold value, indicating a non-contact signal and not processing;
and S7, comparing the input signal with a third threshold value, judging whether the input signal is smaller than the third threshold value, if so, indicating that the finger contacts the signal, if not, indicating that the glove contacts the signal, recording the input signal, and inputting the input signal to the processor.
Preferably, in S2, the first threshold is greater than the third threshold, and the third threshold is greater than the second threshold.
Preferably, the first threshold in S2 is an average value of current variation data generated after the original touch screen is completely touched with a completely naked finger for multiple times.
Preferably, the second threshold in S2 is an average value of data differences before and after the current in each channel node and the time node measured by the plurality of original touch screens in the customized time node.
Preferably, the third threshold in S2 is that after a plurality of different gloves are completely contacted with the original touch screen, the processor records the difference of current change for each time, establishes a corresponding database, records data, and calculates the average value as the third threshold, which is the original third threshold.
Preferably, the input signal in S4 is a difference between changes before and after the current in the channel node around the contact in the time node, and the time node is a statistically extracted average value, and the time node is measured in microseconds.
Preferably, in S7, the recorded input signal is input to the processor in S1 and recorded in the database, and in a customized additional time node, the average value of the database is recalculated and assigned to the original third threshold value or the third threshold value in the previous time node, and the third threshold value is updated.
Compared with the prior art, the touch screen power supply interference identification processing method provided by the invention has the advantages that through the set identification method, the input signals of the fingers are processed through the first threshold, the second threshold and the third threshold, so that whether a user wears gloves or not is judged, the input signals of the user are recorded and added into the database, the more people who wear the gloves are, the more types of the gloves are, the more accurate the obtained third threshold is, and the more accurate the judgment result is.
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Fig. 1 is a diagram of an identification method of a touch screen power supply interference identification processing method according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, a method for identifying and processing power supply interference of a touch screen includes the following steps:
s1, setting a processor to prepare for recording the input signal;
s2, setting a first threshold, a second threshold and a third threshold;
s3, collecting contact peripheral channel node data;
s4, processing the data to obtain an input signal;
s5, comparing the input signal with a first threshold value, judging whether the input signal is smaller than the first threshold value or not, if so, entering S6, and if not, indicating that the input signal is a non-contact signal and not processing the signal;
s6, comparing the input signal with a second threshold value, judging whether the input signal is larger than the second threshold value or not, if so, entering S7, and if the input signal is smaller than the second threshold value, indicating that the input signal is a non-contact signal and not processing the input signal;
and S7, comparing the input signal with a third threshold value, judging whether the input signal is smaller than the third threshold value, if so, indicating that the finger contacts the signal, if not, indicating that the glove contacts the signal, recording the input signal, and inputting the input signal to the processor.
In S2, the first threshold is greater than the third threshold, which is greater than the second threshold; the first threshold value in the S2 is an average value of current change data generated after the original touch screen and the completely naked finger are completely touched for multiple times, and the average value is extracted; the second threshold in the S2 is an average value of data difference values before and after the current in each channel node and the time node measured by the plurality of original touch screens in the user-defined time node; after the plurality of different gloves are completely contacted with the original touch screen, the processor records the current change difference value every time, establishes a corresponding database, records data, and calculates the average value as a third threshold value which is the original third threshold value in the S2; the input signal in the step S4 is a difference between the current variations in the channel nodes around the contact in the time node, and the time node takes microseconds as a time measurement unit; in S7, the recorded input signal is input to the processor in S1 and recorded in the database, and in a customized additional time node, the average value of the database is recalculated and assigned to the original third threshold value or the third threshold value in the previous time node, and the third threshold value is updated.
The invention is a method for identifying and processing power supply interference of a touch screen, which comprises establishing a database by a set processor, wherein in original data, current change difference values after a user wears a plurality of different gloves to completely contact the touch screen are recorded in the database, an average value is calculated to be a third threshold value, the third threshold value is set as an original third threshold value, current change data generated after a completely naked finger is contacted with the touch screen for a plurality of times is taken out to be the first threshold value, a plurality of touch screens are arranged in a self-defined time node, the average value of the measured data difference values before and after the current is set as a second threshold value, after the finger contacts the touch screen, the change difference values before and after the current around the contact are recorded for a plurality of times in a time node taking microsecond as a time metering unit, the average value is taken out to be an input signal, and the input signal is greater than the second threshold value, and when the average value is smaller than the first threshold value, the sizes of the input signal and the third threshold value are continuously judged, whether the input signal is smaller than the third threshold value is judged, if the input signal is smaller than the first threshold value, the input signal is a finger contact signal, if the input signal is not smaller than the third threshold value, the input signal is a glove contact signal, the input signal is transmitted to the processor and added into the database, the average value is recalculated in a self-defined time node and is given to the original third threshold value or the third threshold value in the last time node, and along with the use, the more the types of wearing gloves are, the more people are used, the more the third threshold value is more accurate, and the identification is more accurate.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A touch screen power supply interference identification processing method is characterized by comprising the following steps: the method comprises the following steps:
s1, setting a processor to prepare for recording the input signal;
s2, setting a first threshold, a second threshold and a third threshold;
s3, collecting contact peripheral channel node data;
s4, processing the data to obtain an input signal;
s5, comparing the input signal with the first threshold, judging whether the input signal is smaller than the first threshold, if so, entering S6, and if not, indicating that the input signal is a non-contact signal and not processing the signal;
s6, comparing the input signal with a second threshold value, judging whether the input signal is larger than the second threshold value, if so, entering S7, and if the input signal is smaller than the second threshold value, indicating a non-contact signal and not processing;
and S7, comparing the input signal with a third threshold value, judging whether the input signal is smaller than the third threshold value, if so, indicating that the finger contacts the signal, if not, indicating that the glove contacts the signal, recording the input signal, and inputting the input signal to the processor.
2. The method for recognizing and processing the power interference of the touch screen according to claim 1, wherein: in S2, the first threshold is greater than the third threshold, and the third threshold is greater than the second threshold.
3. The method for recognizing and processing the power interference of the touch screen according to claim 1, wherein: the first threshold in S2 is an average value of current change data generated after the original touch screen and the completely exposed finger completely touch the original touch screen for multiple times, and the average value is extracted.
4. The method for recognizing and processing the power interference of the touch screen according to claim 1, wherein: the second threshold in S2 is an average value of data difference values before and after the current in each channel node and the time node measured by the multiple original touch screens in the user-defined time node.
5. The method for recognizing and processing the power interference of the touch screen according to claim 1, wherein: and after the plurality of different gloves are completely contacted with the original touch screen, the processor records the current change difference value every time, establishes a corresponding database, records data, and calculates the average value as a third threshold value which is the original third threshold value in the S2.
6. The method for recognizing and processing the power interference of the touch screen according to claim 1, wherein: the input signal in S4 is a difference between changes before and after the current in the channel node around the contact in the time node, and the time node takes microseconds as a time measurement unit.
7. The method for recognizing and processing the power interference of the touch screen according to claim 1, wherein: in S7, the recorded input signal is input to the processor in S1 and recorded in the database, and in a customized additional time node, the average value of the database is recalculated and assigned to the original third threshold value or the third threshold value in the previous time node, and the third threshold value is updated.
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Citations (7)
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| CN104281340A (en) * | 2013-07-12 | 2015-01-14 | 天津富纳源创科技有限公司 | Touch screen touch recognition method |
| CN104345999A (en) * | 2013-07-24 | 2015-02-11 | 天津富纳源创科技有限公司 | Touch identification method |
| KR20160091642A (en) * | 2015-01-26 | 2016-08-03 | 주식회사 하이딥 | Automatic mode switching method |
| CN105892746A (en) * | 2016-03-31 | 2016-08-24 | 联想(北京)有限公司 | Touch method and electronic device |
| CN112068721A (en) * | 2019-06-10 | 2020-12-11 | 北京小米移动软件有限公司 | Touch signal response method and device and storage medium |
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2021
- 2021-03-29 CN CN202110079212.3A patent/CN112817476A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140184551A1 (en) * | 2012-06-06 | 2014-07-03 | Panasonic Corporation | Input device, input support method, and program |
| KR20140120619A (en) * | 2013-04-04 | 2014-10-14 | 현대모비스 주식회사 | Capacitive Touch Recognition Apparatus and Method Using Infrared Sensor |
| CN104281340A (en) * | 2013-07-12 | 2015-01-14 | 天津富纳源创科技有限公司 | Touch screen touch recognition method |
| CN104345999A (en) * | 2013-07-24 | 2015-02-11 | 天津富纳源创科技有限公司 | Touch identification method |
| KR20160091642A (en) * | 2015-01-26 | 2016-08-03 | 주식회사 하이딥 | Automatic mode switching method |
| CN105892746A (en) * | 2016-03-31 | 2016-08-24 | 联想(北京)有限公司 | Touch method and electronic device |
| CN112068721A (en) * | 2019-06-10 | 2020-12-11 | 北京小米移动软件有限公司 | Touch signal response method and device and storage medium |
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