CN102789251B - 一种可调节电流的恒流电路 - Google Patents
一种可调节电流的恒流电路 Download PDFInfo
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- CN102789251B CN102789251B CN201210159207.4A CN201210159207A CN102789251B CN 102789251 B CN102789251 B CN 102789251B CN 201210159207 A CN201210159207 A CN 201210159207A CN 102789251 B CN102789251 B CN 102789251B
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CN201210159207.4A CN102789251B (zh) | 2012-05-21 | 2012-05-21 | 一种可调节电流的恒流电路 |
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CN201210159207.4A CN102789251B (zh) | 2012-05-21 | 2012-05-21 | 一种可调节电流的恒流电路 |
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CN102789251A CN102789251A (zh) | 2012-11-21 |
CN102789251B true CN102789251B (zh) | 2014-09-24 |
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CN201210159207.4A Expired - Fee Related CN102789251B (zh) | 2012-05-21 | 2012-05-21 | 一种可调节电流的恒流电路 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103207635B (zh) * | 2012-12-20 | 2015-06-03 | 上海显恒光电科技股份有限公司 | 一种发光装置用的电位器接口电路 |
CN104377640A (zh) * | 2014-11-07 | 2015-02-25 | 国网上海市电力公司 | 微电流回路询问防漏电、触电系统 |
CN104655895A (zh) * | 2014-12-01 | 2015-05-27 | 国网上海市电力公司 | 电度表微电流询问供电节能防护系统 |
CN110708813B (zh) * | 2019-11-14 | 2022-03-25 | 武汉呵尔医疗科技发展有限公司 | 一种多路精确可调恒流led驱动电路 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP3991863B2 (ja) * | 2002-12-27 | 2007-10-17 | セイコーエプソン株式会社 | ノコギリ波発生装置 |
CN2768056Y (zh) * | 2004-11-02 | 2006-03-29 | 杭州创元光电科技有限公司 | 用于大功率发光二极管的多功能恒流模块 |
CN201335996Y (zh) * | 2008-12-09 | 2009-10-28 | 广州大学 | 一种低成本高精度数控恒流源 |
CN101853038B (zh) * | 2010-06-12 | 2013-12-11 | 中兴通讯股份有限公司 | 一种快速响应的恒流源并联系统及其实现方法 |
CN201965499U (zh) * | 2010-12-20 | 2011-09-07 | 江汉大学 | 数字压控直流恒流源装置 |
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GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Wu Aigui Inventor before: Lin Zhiyi Inventor before: Zhang Yan Inventor before: Li Zengguang Inventor before: Hu Chang |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170519 Address after: Panyu District Shawan Town, Guangzhou city of Guangdong Province, 511483 Fu Chung Village Fuxing Road No. 1 two floor Patentee after: Guangzhou giant source of electronic products Co., Ltd. Address before: 201210 room 6, building 829, No. 504, Xuhui District, Shanghai, Yishan Road Patentee before: Shanghai Xianheng Photoelectric Technology Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20140924 Termination date: 20180521 |