CN101951263B - 一种按键扫描方法及系统 - Google Patents
一种按键扫描方法及系统 Download PDFInfo
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- CN101951263B CN101951263B CN201010515487A CN201010515487A CN101951263B CN 101951263 B CN101951263 B CN 101951263B CN 201010515487 A CN201010515487 A CN 201010515487A CN 201010515487 A CN201010515487 A CN 201010515487A CN 101951263 B CN101951263 B CN 101951263B
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CN201010515487A CN101951263B (zh) | 2010-10-22 | 2010-10-22 | 一种按键扫描方法及系统 |
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CN201010515487A CN101951263B (zh) | 2010-10-22 | 2010-10-22 | 一种按键扫描方法及系统 |
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CN101951263A CN101951263A (zh) | 2011-01-19 |
CN101951263B true CN101951263B (zh) | 2012-10-10 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102185613B (zh) * | 2011-04-14 | 2013-04-10 | 北京希格玛和芯微电子技术有限公司 | 薄膜式键盘扫描电路及其扫描方法和键盘 |
CN103338043B (zh) * | 2013-07-19 | 2016-03-16 | 中颖电子股份有限公司 | 基于碳膜走线的按键扫描硬件电路和按键扫描方法 |
CN103354454B (zh) * | 2013-07-24 | 2016-04-13 | 中颖电子股份有限公司 | 基于碳膜走线的按键扫描硬件电路的按键扫描方法 |
CN106998207A (zh) * | 2017-01-20 | 2017-08-01 | 艾体威尔电子技术(北京)有限公司 | 一种应用于pos系统的扫描按键方法 |
CN107070460B (zh) * | 2017-03-30 | 2021-02-09 | 天津中兴智联科技有限公司 | 一种按键扫描方法及系统 |
CN109298331B (zh) * | 2018-11-29 | 2021-09-24 | 郭玉森 | 低成本可检测多个任意组合按键的检测电路及处理方法 |
CN111049528B (zh) * | 2019-10-28 | 2022-02-11 | 珠海格力电器股份有限公司 | 一种组合按键的扫描方法、系统、电子设备和存储介质 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4518951A (en) * | 1981-07-10 | 1985-05-21 | Itt Industries, Inc. | Integrated circuit for a keyboard of an electronic apparatus |
CN1437084A (zh) * | 2002-02-08 | 2003-08-20 | 精工爱普生株式会社 | 基准电压发生电路和方法、显示驱动电路、显示装置 |
US6650317B1 (en) * | 1971-07-19 | 2003-11-18 | Texas Instruments Incorporated | Variable function programmed calculator |
CN101162905A (zh) * | 2006-10-13 | 2008-04-16 | 鸿富锦精密工业(深圳)有限公司 | 键盘扫描电路及方法 |
CN101162906A (zh) * | 2007-10-12 | 2008-04-16 | 深圳市和而泰电子科技有限公司 | 按键扫描系统和方法 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6650317B1 (en) * | 1971-07-19 | 2003-11-18 | Texas Instruments Incorporated | Variable function programmed calculator |
US4518951A (en) * | 1981-07-10 | 1985-05-21 | Itt Industries, Inc. | Integrated circuit for a keyboard of an electronic apparatus |
CN1437084A (zh) * | 2002-02-08 | 2003-08-20 | 精工爱普生株式会社 | 基准电压发生电路和方法、显示驱动电路、显示装置 |
CN101162905A (zh) * | 2006-10-13 | 2008-04-16 | 鸿富锦精密工业(深圳)有限公司 | 键盘扫描电路及方法 |
CN101162906A (zh) * | 2007-10-12 | 2008-04-16 | 深圳市和而泰电子科技有限公司 | 按键扫描系统和方法 |
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CN101951263A (zh) | 2011-01-19 |
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