CN108803940B - Touch identification method and device and touch display device - Google Patents
Touch identification method and device and touch display device Download PDFInfo
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- CN108803940B CN108803940B CN201810871811.7A CN201810871811A CN108803940B CN 108803940 B CN108803940 B CN 108803940B CN 201810871811 A CN201810871811 A CN 201810871811A CN 108803940 B CN108803940 B CN 108803940B
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- 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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Abstract
本发明提供了一种触控识别方法、装置及触控显示装置，方法包括：检测触控屏区域的触控操作，判断触控操作面积是否超过预设面积；如果触控操作面积没有超过预设面积，则采集按键区域实时信号数据；根据按键区域实时信号数据和预先采集的按键区域基础信号数据，计算按键区域的信号变化量数据；如果多个按键的信号变化量数据均超过预设按压阈值，则确定为无效按压；如果单个按键的信号变化量数据超过预设按压阈值，则判断预设时长内所述信号变化量数据的最大值和次大值之间的差值是否小于预设差值，如果是，则确定为非按压；采用多种判断机制进行误触的判断处理，能够有效提高误触识别精度。
The present invention provides a touch recognition method, device and touch display device. The method includes: detecting a touch operation in a touch screen area, and judging whether the touch operation area exceeds a preset area; if the touch operation area does not exceed a preset area Set the area, collect the real-time signal data of the key area; calculate the signal change data of the key area according to the real-time signal data of the key area and the pre-collected basic signal data of the key area; if the signal change data of multiple keys exceeds the preset pressing If the signal variation data of a single button exceeds the preset pressing threshold, it is determined whether the difference between the maximum value and the next largest value of the signal variation data within the preset time period is less than the preset value. If it is the difference value, it is determined as non-pressing; multiple judgment mechanisms are used to judge and process the false touch, which can effectively improve the recognition accuracy of the false touch.
Description
Technical Field
The present invention relates to the field of touch technologies, and in particular, to a touch recognition method and device, and a touch display device.
Background
At present, many terminal devices are provided with a touch screen and touch keys, and no entity key is arranged, touch identification of the terminal devices comprises touch identification of the touch screen and identification of the touch keys, and for identification of the touch keys, the existing identification method is low in accuracy of false touch identification and is easy to cause misoperation.
In addition, for the mobile phone, a mode of locking a key and a touch screen is generally adopted to prevent the user from touching the mobile phone by mistake, but the mobile phone needs to be unlocked when the user uses the mobile phone again, and the mobile phone is very inconvenient to use.
Disclosure of Invention
The invention aims to provide a touch identification method, a touch identification device and a touch display device, aiming at the problems that the touch identification method in the prior art is low in false touch identification precision and inconvenience caused by false touch is prevented by adopting a locking mode, and the touch identification method, the touch identification device and the touch display device can effectively identify the false touch and improve use convenience.
A touch identification method comprises the following steps:
detecting touch operation of a touch screen area, and judging whether the touch operation area exceeds a preset area or not;
if the touch operation area does not exceed a preset area, acquiring real-time signal data of a key area;
calculating signal variation data of the key area according to the real-time signal data of the key area and pre-collected basic signal data of the key area;
if the signal variation data of the plurality of keys exceed a preset pressing threshold, determining that the keys are invalid;
and if the signal variation data of the single key exceeds a preset pressing threshold, judging whether the difference value between the maximum value and the second maximum value of the signal variation data in a preset time length is smaller than a preset difference value, and if so, determining that the key is not pressed.
Further, detect the touch-control operation in touch-control screen area, judge whether touch-control operation area exceeds preset area, include:
acquiring basic signal data of a touch screen area;
acquiring real-time signal data of a touch screen area;
calculating signal variation data of the touch screen area according to the basic signal data of the touch screen area and the real-time signal data of the touch screen area;
searching a touch area according to the signal variation data of the touch screen area, and calculating a touch operation area according to the touch area;
and comparing the touch operation area with a preset area to obtain a comparison result.
Further, if the touch operation area exceeds a preset area, determining that the operation is invalid.
Further, if the signal variation data of a single key exceeds a preset pressing threshold value and the difference value between the maximum value and the second maximum value of the signal variation data in a preset time length is greater than a preset difference value, calculating whether the signal variation data exceeds three frames or not, and if so, determining that the key is pressed normally.
Further, after the normal compression is determined, if the duration of the normal compression exceeds 2 seconds, it is determined that the compression is ended.
Furthermore, after the pressing is finished, key shaking removing processing is carried out.
Further, the method further comprises:
and detecting whether the negative value of the key area basic signal data exceeds a preset negative value, and if so, quickly updating the key area basic signal data.
Further, the method further comprises:
detecting whether interference data exist in the key area basic signal data or not, if so, recording the interference data, and updating the key area basic signal data when the interference data reach a preset threshold value.
And further, collecting signal data when no touch is generated as updated key area basic signal data.
A touch device comprises a touch panel, a touch IC, a processor and a memory, wherein the touch panel comprises a touch screen area and a key area, the touch screen area and the key area are both connected with the touch IC, the touch IC is connected with the processor and the memory, the processor is also connected with the memory, the memory is used for storing a plurality of instructions, and the touch IC is used for reading the instructions and executing:
detecting touch operation of a touch screen area, and judging whether the touch operation area exceeds a preset area or not;
if the touch operation area does not exceed a preset area, acquiring real-time signal data of a key area;
calculating signal variation data of the key area according to the real-time signal data of the key area and pre-collected basic signal data of the key area;
if the signal variation data of the plurality of keys exceed a preset pressing threshold, determining that the keys are invalid;
and if the signal variation data of the single key exceeds a preset pressing threshold, judging whether the difference value between the maximum value and the second maximum value of the signal variation data in a preset time length is smaller than a preset difference value, and if so, determining that the key is not pressed.
A touch display device comprises the touch device.
According to the touch identification method, the touch identification device and the touch display device, provided by the invention, the judgment processing of the false touch is carried out by adopting various judgment mechanisms, the false touch identification precision can be effectively improved, the existing mode of preventing the false touch through locking can be replaced, and the use convenience of the terminal equipment is further improved.
Drawings
Fig. 1 is a step diagram of a touch recognition method according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a touch recognition device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1, the present embodiment provides a touch recognition method, including:
step S101, detecting touch operation of a touch screen area, and judging whether the touch operation area exceeds a preset area;
step S102, if the touch operation area does not exceed a preset area, acquiring real-time signal data of a key area;
step S103, calculating signal variation data of the key area according to the real-time signal data of the key area and the pre-collected basic signal data of the key area;
step S104, if the signal variation data of the plurality of keys exceed a preset pressing threshold, determining that the keys are invalid;
step S105, if the signal variation data of a single key exceeds a preset pressing threshold, judging whether the difference value between the maximum value and the second maximum value of the signal variation data in a preset time length is smaller than a preset difference value, and if so, determining that the key is not pressed.
Specifically, step S101 is executed to detect a touch operation in the touch screen area: acquiring basic signal data and real-time signal data of a touch screen area, calculating signal variation data of the touch screen area according to the basic signal data and the real-time signal data of the touch screen area, searching a touch area in a recursive mode according to the signal variation data of the touch screen area, and calculating a touch operation area according to the touch area.
And comparing the touch operation area with a preset area to obtain a comparison result, namely judging whether the touch operation area exceeds the preset area.
If the touch operation area exceeds the preset area, the user may put the mobile terminal into a pocket and mistakenly press the mobile terminal to determine that the mobile terminal is an invalid operation and does not perform processing.
Further, step S102 is executed, if the touch operation area does not exceed the preset area, it is determined as a normal operation, and real-time signal data of a key region is collected, where the real-time signal data of the key region is a returned sensing signal of the key region.
Further, step S103 is executed to acquire key area basic signal data in advance, where the key area basic signal data is an induction signal returned by the key area when no touch occurs, and the key area real-time signal data and the key area basic signal data are compared and calculated to obtain the signal variation data of the key area.
The key area includes at least one touch key.
Further, step S104 is executed, and according to the signal variation data of the key region, the key touch position can be found, and then the next determination is performed:
and if the signal variation data of the plurality of keys exceed the preset pressing threshold value, determining that the keys are invalid and possibly touching by the user by mistake.
Further, step S105 is executed, if the signal variation data of a single key exceeds the preset pressing threshold, whether a difference between a maximum value and a second maximum value of the signal variation data within the preset time duration is smaller than a preset difference is further determined, and if so, it is determined as non-pressing.
And if the difference value between the maximum value and the second maximum value of the signal variation data in the preset time length is greater than the preset difference value, further calculating whether the signal variation data exceeds three frames, if so, determining that the signal variation data is normally pressed, and if not, determining that the signal variation data is mistakenly touched.
And if the normal pressing is determined, the duration of the normal pressing exceeds 2 seconds, the pressing is determined to be finished, the key shaking removal processing is carried out, then the touch position is reported, and the next processing is further carried out.
Further, the method provided by this embodiment further includes:
and detecting whether the negative value of the key area basic signal data exceeds a preset negative value, and if so, quickly updating the key area basic signal data.
Further, the method provided by this embodiment further includes:
detecting whether interference data exist in the key area basic signal data or not, if so, recording the interference data, and updating the key area basic signal data when the interference data reach a preset threshold value.
As a preferred embodiment, the signal data when no touch occurs is collected as the updated key area basic signal data.
According to the touch identification method provided by the embodiment, the judgment processing of the false touch is carried out by adopting various judgment mechanisms, the false touch identification precision can be effectively improved, the existing mode of preventing the false touch through locking can be replaced, and the use convenience of the terminal equipment is further improved.
Example two
Referring to fig. 2, the present embodiment provides a touch device, which includes a touch panel, a touch IC201, a processor 202, and a memory 203, where the touch panel includes a touch screen area 204 and a key area 205, the touch screen area 204 and the key area 205 are both connected to the touch IC201, the touch IC201 is connected to the processor 202 and the memory 203, the processor 202 is further connected to the memory 203, the memory 203 is configured to store a plurality of instructions, and the touch IC201 is configured to read the instructions and execute:
detecting touch operation of the touch screen area 204, and judging whether the touch operation area exceeds a preset area;
if the touch operation area does not exceed a preset area, acquiring real-time signal data of a key area;
calculating signal variation data of the key area according to the real-time signal data of the key area and pre-collected basic signal data of the key area;
if the signal variation data of the plurality of keys exceed a preset pressing threshold, determining that the keys are invalid;
and if the signal variation data of the single key exceeds a preset pressing threshold, judging whether the difference value between the maximum value and the second maximum value of the signal variation data in a preset time length is smaller than a preset difference value, and if so, determining that the key is not pressed.
Further, the touch IC201 is further configured to perform:
acquiring basic signal data and real-time signal data of a touch screen area, calculating signal variation data of the touch screen area according to the basic signal data and the real-time signal data of the touch screen area, searching a touch area in a recursive mode according to the signal variation data of the touch screen area, and calculating a touch operation area according to the touch area.
And comparing the touch operation area with a preset area to obtain a comparison result.
According to the comparison result, whether the touch operation area exceeds a preset area can be judged.
If the touch operation area exceeds the preset area, it is possible that the user puts the mobile terminal into a pocket and presses the mobile terminal by mistake, and the touch IC201 does not report to the processor 202 when determining that the operation is invalid.
Further, if the touch operation area does not exceed the preset area, it is determined as a normal operation, the touch IC201 collects the real-time signal data of the key region, and compares and calculates the real-time signal data of the key region and the pre-collected basic signal data of the key region to obtain the signal variation data of the key region.
Further, the touch IC201 finds the key touch position according to the signal variation data of the key region:
if the signal variation data of the plurality of keys exceed a preset pressing threshold, determining that the keys are invalid;
if the signal variation data of a single key exceeds a preset pressing threshold, further judging whether the difference value between the maximum value and the second maximum value of the signal variation data in a preset time length is smaller than a preset difference value, and if so, determining that the key is not pressed;
and if the difference value between the maximum value and the second maximum value of the signal variation data in the preset time length is greater than the preset difference value, further calculating whether the signal variation data exceeds three frames, if so, determining that the signal variation data is normally pressed, and if not, determining that the signal variation data is mistakenly touched.
For invalid press, no press, false touch, etc., the touch IC201 is not reported to the processor 202.
If the normal pressing is determined, and the duration of the normal pressing exceeds 2 seconds, the pressing is determined to be finished, the key shaking removal processing is performed, then the touch IC201 reports the touch position to the processor 202, and the processor 202 performs the next processing.
Further, the touch IC201 is further configured to perform:
and detecting whether the negative value of the key area basic signal data exceeds a preset negative value, and if so, quickly updating the key area basic signal data.
Further, the touch IC201 is further configured to perform:
detecting whether interference data exist in the key area basic signal data or not, if so, recording the interference data, and updating the key area basic signal data when the interference data reach a preset threshold value.
As a preferred embodiment, the touch IC201 collects signal data when no touch occurs as updated key area basic signal data.
The touch device provided by the embodiment adopts multiple judgment mechanisms to judge and process the false touch, can effectively improve the false touch identification precision, and can replace the existing mode of preventing the false touch through locking, thereby improving the convenience of the use of the terminal equipment.
EXAMPLE III
The embodiment provides a touch display device, which comprises the touch device provided in the second embodiment.
The touch display device provided by the embodiment includes, but is not limited to, any product or component with a display function, such as a mobile phone, a tablet computer, a display, a notebook computer, and the like.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (9)
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| CN109818602A (en) * | 2019-01-31 | 2019-05-28 | 华勤通讯技术有限公司 | A kind of pressure sensitivity key and its trigger the method for keypress function, electric terminal equipment |
| CN111970593A (en) * | 2020-07-27 | 2020-11-20 | 歌尔科技有限公司 | Wireless earphone control method and device and wireless earphone |
| CN112698754B (en) * | 2021-01-07 | 2024-03-22 | 海速芯(杭州)科技有限公司 | Method for realizing touch key under electrified metal shielding net |
| CN115225074A (en) * | 2021-05-14 | 2022-10-21 | 广州汽车集团股份有限公司 | A control method and system of a steering wheel touch switch |
| CN118523765B (en) * | 2024-07-23 | 2024-10-08 | 南京湃睿半导体有限公司 | Touch identification method, device and computer readable medium |
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| KR100672539B1 (en) * | 2005-08-12 | 2007-01-24 | 엘지전자 주식회사 | Touch input recognition method in a mobile communication terminal having a touch screen and a mobile communication terminal that can implement the same |
| CN104182068A (en) * | 2013-05-24 | 2014-12-03 | 宏碁股份有限公司 | False touch recognition method and device |
| CN103699318B (en) * | 2014-01-06 | 2018-11-09 | 联想(北京)有限公司 | A kind of electronic equipment touch-control response method and device |
| JP2016143275A (en) * | 2015-02-03 | 2016-08-08 | 株式会社デンソーウェーブ | Touch panel device |
| CN106201292A (en) * | 2015-04-29 | 2016-12-07 | 小米科技有限责任公司 | Terminal false-touch prevention method and apparatus |
| CN105373253B (en) * | 2015-10-20 | 2019-01-18 | 北京小鸟听听科技有限公司 | A kind of temperature-compensation method and device of touch-key |
| CN106095267A (en) * | 2016-06-01 | 2016-11-09 | 惠州市德赛西威汽车电子股份有限公司 | Mobile unit control method based on user view identification and system thereof |
| JP6919174B2 (en) * | 2016-10-26 | 2021-08-18 | セイコーエプソン株式会社 | Touch panel device and touch panel control program |
| CN106775084B (en) * | 2016-12-16 | 2019-04-16 | Oppo广东移动通信有限公司 | A kind of false-touch prevention method, device and mobile terminal of touch screen |
| CN107390935B (en) * | 2017-07-31 | 2020-07-28 | 惠州市德赛西威汽车电子股份有限公司 | Method for preventing touch panel from being touched mistakenly |
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