CN204887370U - 一种可提高音色的耳机发声腔体 - Google Patents
一种可提高音色的耳机发声腔体 Download PDFInfo
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- CN204887370U CN204887370U CN201520555478.0U CN201520555478U CN204887370U CN 204887370 U CN204887370 U CN 204887370U CN 201520555478 U CN201520555478 U CN 201520555478U CN 204887370 U CN204887370 U CN 204887370U
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Abstract
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CN201520555478.0U CN204887370U (zh) | 2015-07-29 | 2015-07-29 | 一种可提高音色的耳机发声腔体 |
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CN201520555478.0U CN204887370U (zh) | 2015-07-29 | 2015-07-29 | 一种可提高音色的耳机发声腔体 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105163231A (zh) * | 2015-07-29 | 2015-12-16 | 李联群 | 一种可提高音色的耳机发声腔体以及用于该发声腔体中的减震膜片 |
CN106303792A (zh) * | 2016-11-07 | 2017-01-04 | 马根昌 | 防摩擦耳机 |
CN112311925A (zh) * | 2019-07-29 | 2021-02-02 | 比亚迪股份有限公司 | 一种电子设备的听筒装置及电子设备 |
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2015
- 2015-07-29 CN CN201520555478.0U patent/CN204887370U/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105163231A (zh) * | 2015-07-29 | 2015-12-16 | 李联群 | 一种可提高音色的耳机发声腔体以及用于该发声腔体中的减震膜片 |
CN105163231B (zh) * | 2015-07-29 | 2019-04-05 | 东莞市魔卡师电子科技有限公司 | 一种可提高音色的耳机发声腔体以及用于该发声腔体中的减震膜片 |
CN106303792A (zh) * | 2016-11-07 | 2017-01-04 | 马根昌 | 防摩擦耳机 |
CN106303792B (zh) * | 2016-11-07 | 2019-02-05 | 深圳市风速科技有限公司 | 防摩擦耳机 |
CN112311925A (zh) * | 2019-07-29 | 2021-02-02 | 比亚迪股份有限公司 | 一种电子设备的听筒装置及电子设备 |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Guoqing Inventor before: Li Lianqun |
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COR | Change of bibliographic data | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180322 Address after: 523000 Guangdong province Dongguan Nancheng street new base on the new base of science and Technology Creative Industrial Park North Building H room H201 Patentee after: Dongguan city card division Electronic Technology Co. Ltd. Address before: The three group of 558000 Guizhou Province, Qianxinan Buyei and Miao Autonomous Prefecture of Tuyun Guanghui District Xiyuan Village No. 5 Patentee before: Li Lianqun |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180729 |
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CF01 | Termination of patent right due to non-payment of annual fee |