CN201491219U - 一种具有节能作用的麦克风 - Google Patents
一种具有节能作用的麦克风 Download PDFInfo
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- CN201491219U CN201491219U CN2009202096041U CN200920209604U CN201491219U CN 201491219 U CN201491219 U CN 201491219U CN 2009202096041 U CN2009202096041 U CN 2009202096041U CN 200920209604 U CN200920209604 U CN 200920209604U CN 201491219 U CN201491219 U CN 201491219U
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Application Number | Priority Date | Filing Date | Title |
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CN2009202096041U CN201491219U (zh) | 2009-09-11 | 2009-09-11 | 一种具有节能作用的麦克风 |
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CN2009202096041U CN201491219U (zh) | 2009-09-11 | 2009-09-11 | 一种具有节能作用的麦克风 |
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CN201491219U true CN201491219U (zh) | 2010-05-26 |
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CN2009202096041U Expired - Fee Related CN201491219U (zh) | 2009-09-11 | 2009-09-11 | 一种具有节能作用的麦克风 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103096198A (zh) * | 2013-01-31 | 2013-05-08 | 广州瀚诚电子产品有限公司 | 一种感应话筒电路和实现感应话筒的方法 |
CN104581591A (zh) * | 2013-10-22 | 2015-04-29 | Gn瑞声达A/S | 具有可中断麦克风电源的听力仪器 |
CN107948877A (zh) * | 2017-12-21 | 2018-04-20 | 广东小天才科技有限公司 | 一种麦克风的控制方法、系统及麦克风 |
CN108282732A (zh) * | 2017-12-29 | 2018-07-13 | 河南林业职业学院 | 一种银行窗口双向扩音器 |
-
2009
- 2009-09-11 CN CN2009202096041U patent/CN201491219U/zh not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103096198A (zh) * | 2013-01-31 | 2013-05-08 | 广州瀚诚电子产品有限公司 | 一种感应话筒电路和实现感应话筒的方法 |
CN104581591A (zh) * | 2013-10-22 | 2015-04-29 | Gn瑞声达A/S | 具有可中断麦克风电源的听力仪器 |
CN110012405A (zh) * | 2013-10-22 | 2019-07-12 | Gn瑞声达A/S | 具有可中断麦克风电源的听力仪器 |
CN110012405B (zh) * | 2013-10-22 | 2021-08-17 | Gn瑞声达A/S | 具有可中断麦克风电源的听力仪器 |
CN107948877A (zh) * | 2017-12-21 | 2018-04-20 | 广东小天才科技有限公司 | 一种麦克风的控制方法、系统及麦克风 |
CN108282732A (zh) * | 2017-12-29 | 2018-07-13 | 河南林业职业学院 | 一种银行窗口双向扩音器 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: AVCON INFORMATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI AVCON INFORMATION TECHNOLOGY CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 200433 Shanghai City, Yangpu District National Road No. 335 Patentee after: Information Technology Co., Ltd. Shanghai Avcon Address before: 200433 Shanghai City, Yangpu District National Road No. 335 Patentee before: Shanghai Avcon Information Technology Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20170911 |