CN202931541U - 振膜及包括该振膜的微型电声换能器 - Google Patents
振膜及包括该振膜的微型电声换能器 Download PDFInfo
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- CN202931541U CN202931541U CN 201220509320 CN201220509320U CN202931541U CN 202931541 U CN202931541 U CN 202931541U CN 201220509320 CN201220509320 CN 201220509320 CN 201220509320 U CN201220509320 U CN 201220509320U CN 202931541 U CN202931541 U CN 202931541U
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- vibrating diaphragm
- ring
- organic compound
- coated
- voice coil
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- Diaphragms For Electromechanical Transducers (AREA)
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CN 201220509320 CN202931541U (zh) | 2012-09-27 | 2012-09-27 | 振膜及包括该振膜的微型电声换能器 |
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CN 201220509320 CN202931541U (zh) | 2012-09-27 | 2012-09-27 | 振膜及包括该振膜的微型电声换能器 |
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CN202931541U true CN202931541U (zh) | 2013-05-08 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102883248A (zh) * | 2012-09-27 | 2013-01-16 | 楼氏电子(北京)有限公司 | 振膜及包括该振膜的微型电声换能器 |
WO2020000646A1 (zh) * | 2018-06-28 | 2020-01-02 | 歌尔股份有限公司 | 一种敏感膜及传感器 |
WO2022000601A1 (zh) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | 一种新型振膜 |
CN117412226A (zh) * | 2023-02-21 | 2024-01-16 | 东莞市惟动智能科技有限公司 | 磁圈并联型推挽式非线性抵消的动圈振子及应用 |
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2012
- 2012-09-27 CN CN 201220509320 patent/CN202931541U/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102883248A (zh) * | 2012-09-27 | 2013-01-16 | 楼氏电子(北京)有限公司 | 振膜及包括该振膜的微型电声换能器 |
WO2020000646A1 (zh) * | 2018-06-28 | 2020-01-02 | 歌尔股份有限公司 | 一种敏感膜及传感器 |
US11363384B2 (en) | 2018-06-28 | 2022-06-14 | Weifang Goertek Microelectronics Co., Ltd. | Sensitive diaphragm with rim structure and sensor |
WO2022000601A1 (zh) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | 一种新型振膜 |
CN117412226A (zh) * | 2023-02-21 | 2024-01-16 | 东莞市惟动智能科技有限公司 | 磁圈并联型推挽式非线性抵消的动圈振子及应用 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: KNOWLES IPC (M) SDN. BHD. Free format text: FORMER OWNER: KNOWLES ELECTRONICS (BEIJING) CO., LTD. Effective date: 20150107 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150107 Address after: Bayan Lepas Industrial Park, Malaysia, Penang, 104 Patentee after: Roche international purchasing center (Malaysia) SDN BHD Address before: 100176, No. 20, Tongji South Road, Yizhuang economic and Technological Development Zone, Beijing, Daxing District Patentee before: Floor Electronics (Beijing) Co.,Ltd. |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: 100176 Beijing City Economic and Technological Development Zone Beijing Tongji Road No. 20 Patentee after: SOUND SOLUTIONS INTERNATIONAL Co.,Ltd. Address before: 100176 Beijing City Economic Development Zone, Tongji Road No. 20 Patentee before: Floor Electronics (Beijing) Co.,Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20160922 Address after: 100176 Beijing City Economic Development Zone, Tongji Road No. 20 Patentee after: Floor Electronics (Beijing) Co.,Ltd. Address before: Bayan Lepas Industrial Park, Malaysia, Penang, 104 Patentee before: Roche international purchasing center (Malaysia) SDN BHD |
|
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: 20130508 Termination date: 20180927 |