CN208863080U - 一种可调节振膜面积的麦克风 - Google Patents
一种可调节振膜面积的麦克风 Download PDFInfo
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- CN208863080U CN208863080U CN201821329334.3U CN201821329334U CN208863080U CN 208863080 U CN208863080 U CN 208863080U CN 201821329334 U CN201821329334 U CN 201821329334U CN 208863080 U CN208863080 U CN 208863080U
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CN201821329334.3U CN208863080U (zh) | 2018-08-16 | 2018-08-16 | 一种可调节振膜面积的麦克风 |
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CN201821329334.3U CN208863080U (zh) | 2018-08-16 | 2018-08-16 | 一种可调节振膜面积的麦克风 |
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CN208863080U true CN208863080U (zh) | 2019-05-14 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108882134A (zh) * | 2018-08-16 | 2018-11-23 | 杨辉强 | 一种可调节振膜面积的麦克风 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108882134A (zh) * | 2018-08-16 | 2018-11-23 | 杨辉强 | 一种可调节振膜面积的麦克风 |
CN108882134B (zh) * | 2018-08-16 | 2023-08-01 | 重庆寻天科技有限公司 | 一种可调节振膜面积的麦克风 |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211102 Address after: 401120 No. 20-02-001451, 3 / F, No. 210, west section of Jinkai Avenue, Yubei District, Chongqing Patentee after: Chongqing Xuntian Technology Co.,Ltd. Address before: 404100 No. 40, group 1, Gaodong village, Longxing Town, Yubei District, Chongqing Patentee before: Yang Huiqiang |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20190514 Effective date of abandoning: 20230801 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20190514 Effective date of abandoning: 20230801 |