CN100392570C - 一种键盘电路 - Google Patents
一种键盘电路 Download PDFInfo
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- CN100392570C CN100392570C CNB200510009256XA CN200510009256A CN100392570C CN 100392570 C CN100392570 C CN 100392570C CN B200510009256X A CNB200510009256X A CN B200510009256XA CN 200510009256 A CN200510009256 A CN 200510009256A CN 100392570 C CN100392570 C CN 100392570C
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CNB200510009256XA CN100392570C (zh) | 2005-02-01 | 2005-02-01 | 一种键盘电路 |
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CNB200510009256XA CN100392570C (zh) | 2005-02-01 | 2005-02-01 | 一种键盘电路 |
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CN1815416A CN1815416A (zh) | 2006-08-09 |
CN100392570C true CN100392570C (zh) | 2008-06-04 |
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CNB200510009256XA Active CN100392570C (zh) | 2005-02-01 | 2005-02-01 | 一种键盘电路 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102087548B (zh) * | 2011-01-27 | 2012-07-04 | 西北工业大学 | 一种键盘模拟接口电路 |
CN102436309A (zh) * | 2011-12-22 | 2012-05-02 | 苏州巴米特信息科技有限公司 | 一种键盘电路 |
CN108874167B (zh) * | 2016-01-05 | 2021-02-26 | 湖南工业大学 | 一种键盘状态变化脉冲产生电路 |
CN111628781B (zh) * | 2020-06-17 | 2023-07-14 | 玉林师范学院 | 一种基于rs232串口通信的矩阵键盘 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1187646A (zh) * | 1997-01-08 | 1998-07-15 | 研华股份有限公司 | 键盘键位定义方法及其电路装置 |
CN1412650A (zh) * | 2002-11-20 | 2003-04-23 | 威盛电子股份有限公司 | 通用串行总线接口的键盘控制电路 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1187646A (zh) * | 1997-01-08 | 1998-07-15 | 研华股份有限公司 | 键盘键位定义方法及其电路装置 |
CN1412650A (zh) * | 2002-11-20 | 2003-04-23 | 威盛电子股份有限公司 | 通用串行总线接口的键盘控制电路 |
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CN1815416A (zh) | 2006-08-09 |
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Free format text: CORRECT: ADDRESS; FROM: SE-141 STOCKHOLM CITY, SWEDEN TO: 44052 NO. 1122, STREET F, LORAIN CITY, OHIO, THE USA |
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Effective date of registration: 20110322 Address after: Forty-four thousand and fifty-two The United States of Ohio city F Lorain Street No. 1122 Patentee after: Emerson Network Power Co., Ltd. Address before: SE-141 Stockholm, Sweden Patentee before: Emerson Network Power Co., Ltd. |
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Address after: No. 1510, Kansas Avenue, lureen, Ohio, USA Patentee after: Walteff energy systems company Address before: The United States of Ohio city F Lorain Street No. 1122 Patentee before: Emerson Network Power Co., Ltd. |
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Effective date of registration: 20211221 Address after: Ohio, USA Patentee after: Dimension Corp. Address before: No. 1510, Kansas Avenue, lureen, Ohio, USA Patentee before: VERTIV ENERGY SYSTEMS, Inc. |
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