CN102427355A - Touch button state determination method - Google Patents
Touch button state determination method Download PDFInfo
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- CN102427355A CN102427355A CN2011102972004A CN201110297200A CN102427355A CN 102427355 A CN102427355 A CN 102427355A CN 2011102972004 A CN2011102972004 A CN 2011102972004A CN 201110297200 A CN201110297200 A CN 201110297200A CN 102427355 A CN102427355 A CN 102427355A
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Abstract
The invention provides a touch button state determination method which comprises the following steps: scanning a touch button, and detecting a largest signal value of a touch control object when not touching the button; continuing to detect a present state value of the touch button; according to the present state value and the largest signal value, determining a state of the touch button. According to the method, the largest signal value is taken as a benchmark value, wrong touch can be reduced, and anti-interference capability is strong.
Description
Technical field
the present invention relates to a kind of determination methods of touch key-press state, especially a kind of determination methods to the capacitance type touch key state.
Background technology
initial mechanical type button generally through push, mode such as rotation realizes feature operation, easy abrasion, useful life is short, the button that is touched gradually replaces.Touch key-press mainly comprises resistive touch button and capacitance type touch key, and the resistive touch button need use conductive film, and the durability of conductive film is low; Reduce light transmission; And capacitance type touch key leans on the staff induction, detecting capacitance variations, appearance looks elegant; And long service life, receiving people more must favor.
The determination methods of
existing capacitance type touch key state is the reference value when confirming touch key-press not earlier; Electric capacity added value after touching according to touch object then judges whether touch object touches; This kind method receives the influence of surrounding environment easily; Can't differentiate for water droplet or electromagnetic interference, cause false touch easily, so be necessary to provide a kind of method that can accurately judge the touch key-press state.
Summary of the invention
technical problem to be solved by this invention provides a kind of method that can anti-interference and accurately judge the touch key-press state.
the invention provides a kind of method of judging the touch key-press state in order to realize above-mentioned purpose of the present invention, and it may further comprise the steps: at first, scan said touch key-press, detect the not maximum signal level during touch key-press of touch object; Continue the current state value of senses touch button; Last state according to said current state value and said maximum signal level judgement touch key-press.
compared with prior art, the determination methods of touch key-press state of the present invention as fiducial value, can reduce false touch with maximum signal level, antijamming capability is strong.
Description of drawings
Fig. 1 is that button is pressed the judgement block diagram in the touch key-press state judging method of the present invention.
Fig. 2 is that button is decontroled the judgement block diagram in the touch key-press state judging method of the present invention.
Embodiment
are further described the present invention below in conjunction with accompanying drawing and embodiment.
see also Fig. 1 and Fig. 2; Touch key-press state judging method of the present invention need preestablish touch object and discharge threshold value C2 by lower threshold value C1 and touch object, and it all is fixed values that said touch object discharges threshold value C2 by the said touch object of lower threshold value C1.Said threshold value comprises that touch object discharges threshold value C2 by lower threshold value C1 and touch object; And said touch object is pressed lower threshold value C1 greater than noise level, and obtains touch object not the maximum signal level C3 of touch key-press and the current state value C4 of touch key-press during touch key-press through scan mode.And definition press pressure difference and discharges difference, wherein, saidly deducts the numerical value of touch object by lower threshold value C1 by pressure difference for the initial maximum signal level C3 that detects, and said release difference deducts touch object release threshold value C2 for the initial maximum signal level C3 that detects.
The determination methods of <b >touch key-press state realizes through following mode, at first, scans said touch key-press, detects the not maximum signal level during touch key-press of touch object, and with said maximum signal level as fiducial value; Continue the current state value of senses touch button; Last state according to said current state value and said maximum signal level judgement touch key-press.Only need said current state value of detection and said maximum signal level can judge the state of touch key-press; If the difference that said current state value C4 presses lower threshold value C1 less than said maximum signal level C3 and touch object; The current state value C4 that promptly detects touch key-press is less than by pressure difference, and formulate is following: C4<C3-C1, then touch key-press is pressed, and is in running order; If the said current state value difference of pressing lower threshold value greater than said maximum signal level and touch object, the current state value C4 that promptly detects touch key-press is greater than by pressure difference, and formulate is following: C4>C3-C1, then touch key-press is not pressed, and is in vacant state; If said current state value is greater than the difference of said maximum signal level and touch object release threshold value, the current state value C4 that promptly detects touch key-press is greater than discharging difference, and formulate is following: C4>C3-C2, then touch key-press is released, and is in vacant state; If said current state value is less than the difference of said maximum signal level and touch object release threshold value, the current state value C4 that promptly detects touch key-press is less than discharging difference, and formulate is following: C4<C3-C2, then touch key-press is in running order, does not discharge.</b>
During
concrete operations, touch object during touch key-press, does not scan said touch key-press; Obtain maximum signal level, when touch object was pressed said touch key-press, the scan values of said touch key-press changed; To confirm that touch key-press is pressed less than said by pressure difference when detecting current touch key-press state value, get into the touch key-press corresponding function; When touch object is decontroled said touch key-press; The scan values of said touch key-press changes, when the state value that detects said touch key-press greater than said release difference, confirm that touch object decontrols.
compared with prior art; The determination methods of touch key-press state of the present invention with maximum signal level as fiducial value; The current state value C4 of said touch key-press with said maximum signal level be fiducial value by pressure difference with discharge difference and compare; Can reduce false touch, antijamming capability.
Claims (9)
1. method of judging the touch key-press state, it may further comprise the steps: at first, scan said touch key-press, detect the not maximum signal level during touch key-press of touch object; Continue the current state value of senses touch button; Last state according to said current state value and said maximum signal level judgement touch key-press.
2. the method for judgement touch key-press state as claimed in claim 1 is characterized in that: if the difference that said current state value is pressed lower threshold value less than said maximum signal level and touch object, then touch key-press is pressed, and is in running order.
3. the method for judgement touch key-press state as claimed in claim 1 is characterized in that: if the difference that said current state value is pressed lower threshold value greater than said maximum signal level and touch object, then touch key-press is not pressed, and is in vacant state.
4. like the method for claim 2 or 3 described judgement touch key-press states, it is characterized in that: said touch object is predefined fixed value by lower threshold value.
5. like the method for claim 2 or 3 described judgement touch key-press states, it is characterized in that: said touch object is pressed lower threshold value greater than noise level.
6. the method for judgement touch key-press state as claimed in claim 1 is characterized in that: as if the difference of said current state value greater than said maximum signal level and touch object release threshold value, then touch key-press is released, and is in vacant state.
7. the method for judgement touch key-press state as claimed in claim 1 is characterized in that: as if the difference of said current state value less than said maximum signal level and touch object release threshold value, then touch key-press is in running order, discharges.
8. like the method for claim 6 or 7 described judgement touch key-press states, it is characterized in that: it is predefined fixed value that said touch object discharges threshold value.
9. the method for judgement touch key-press state as claimed in claim 1 is characterized in that: said maximum signal level is a fiducial value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102972004A CN102427355A (en) | 2011-09-30 | 2011-09-30 | Touch button state determination method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102972004A CN102427355A (en) | 2011-09-30 | 2011-09-30 | Touch button state determination method |
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| CN102427355A true CN102427355A (en) | 2012-04-25 |
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| CN2011102972004A Pending CN102427355A (en) | 2011-09-30 | 2011-09-30 | Touch button state determination method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105007071A (en) * | 2015-08-25 | 2015-10-28 | 浙江绍兴苏泊尔生活电器有限公司 | Method for judging whether capacitive touch key is effective or not and operation method |
| CN105119593A (en) * | 2015-09-22 | 2015-12-02 | 惠州华阳通用电子有限公司 | Capacitive button detection method and apparatus |
| CN106059558A (en) * | 2016-06-24 | 2016-10-26 | 苏州聚元微电子股份有限公司 | Method for solving problem that touch keys cannot recognize touch actions and touch recognition system |
| CN106301325A (en) * | 2016-08-11 | 2017-01-04 | 青岛海信电器股份有限公司 | The touch identification method of capacitance type touch key and device |
| CN106557201A (en) * | 2016-10-19 | 2017-04-05 | 北京小米移动软件有限公司 | Pressure detection method and device |
| CN107565947A (en) * | 2017-08-22 | 2018-01-09 | 苏州瀚瑞微电子有限公司 | A kind of detection method of capacitance sensing mechanism |
| CN107634747A (en) * | 2017-08-22 | 2018-01-26 | 苏州瀚瑞微电子有限公司 | A kind of method that button prevents false touch |
| CN110995230A (en) * | 2019-11-28 | 2020-04-10 | 九阳股份有限公司 | Touch key processing method of food processor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1979404A (en) * | 2006-11-24 | 2007-06-13 | 启攀微电子（上海）有限公司 | Self-adaptive judging method for capacitor type push-button |
| JP2007150733A (en) * | 2005-11-28 | 2007-06-14 | Visteon Japan Ltd | Touch sensor switch device |
| CN101526872A (en) * | 2008-03-05 | 2009-09-09 | 上海普芯达电子有限公司 | Method for monitoring button state of capacitive sensing screen and capacitive sensing system |
| CN101776813A (en) * | 2009-01-09 | 2010-07-14 | 上海天马微电子有限公司 | Touch liquid crystal display device and touch identification method |
| CN102141867A (en) * | 2011-03-31 | 2011-08-03 | 汉王科技股份有限公司 | Electromagnetic induction device and touch positioning method thereof |
-
2011
- 2011-09-30 CN CN2011102972004A patent/CN102427355A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007150733A (en) * | 2005-11-28 | 2007-06-14 | Visteon Japan Ltd | Touch sensor switch device |
| CN1979404A (en) * | 2006-11-24 | 2007-06-13 | 启攀微电子（上海）有限公司 | Self-adaptive judging method for capacitor type push-button |
| CN101526872A (en) * | 2008-03-05 | 2009-09-09 | 上海普芯达电子有限公司 | Method for monitoring button state of capacitive sensing screen and capacitive sensing system |
| CN101776813A (en) * | 2009-01-09 | 2010-07-14 | 上海天马微电子有限公司 | Touch liquid crystal display device and touch identification method |
| CN102141867A (en) * | 2011-03-31 | 2011-08-03 | 汉王科技股份有限公司 | Electromagnetic induction device and touch positioning method thereof |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105007071A (en) * | 2015-08-25 | 2015-10-28 | 浙江绍兴苏泊尔生活电器有限公司 | Method for judging whether capacitive touch key is effective or not and operation method |
| CN105119593B (en) * | 2015-09-22 | 2018-07-17 | 惠州华阳通用电子有限公司 | A kind of capacitance key detection method and device |
| CN105119593A (en) * | 2015-09-22 | 2015-12-02 | 惠州华阳通用电子有限公司 | Capacitive button detection method and apparatus |
| CN106059558A (en) * | 2016-06-24 | 2016-10-26 | 苏州聚元微电子股份有限公司 | Method for solving problem that touch keys cannot recognize touch actions and touch recognition system |
| CN106059558B (en) * | 2016-06-24 | 2019-07-09 | 苏州聚元微电子股份有限公司 | The method and its touch recognition system of touch action can not be identified by solving touch key-press |
| CN106301325B (en) * | 2016-08-11 | 2019-12-27 | 青岛海信电器股份有限公司 | Touch identification method and device of capacitive touch key |
| CN106301325A (en) * | 2016-08-11 | 2017-01-04 | 青岛海信电器股份有限公司 | The touch identification method of capacitance type touch key and device |
| CN106557201A (en) * | 2016-10-19 | 2017-04-05 | 北京小米移动软件有限公司 | Pressure detection method and device |
| CN106557201B (en) * | 2016-10-19 | 2020-06-02 | 北京小米移动软件有限公司 | Pressure detection method and device |
| CN107634747A (en) * | 2017-08-22 | 2018-01-26 | 苏州瀚瑞微电子有限公司 | A kind of method that button prevents false touch |
| CN107565947A (en) * | 2017-08-22 | 2018-01-09 | 苏州瀚瑞微电子有限公司 | A kind of detection method of capacitance sensing mechanism |
| CN110995230A (en) * | 2019-11-28 | 2020-04-10 | 九阳股份有限公司 | Touch key processing method of food processor |
| CN110995230B (en) * | 2019-11-28 | 2023-07-18 | 九阳股份有限公司 | Touch key processing method of food processor |
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Application publication date: 20120425 |