CN213661910U - 一种发声装置的振膜及发声装置 - Google Patents
一种发声装置的振膜及发声装置 Download PDFInfo
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- CN213661910U CN213661910U CN202022823601.6U CN202022823601U CN213661910U CN 213661910 U CN213661910 U CN 213661910U CN 202022823601 U CN202022823601 U CN 202022823601U CN 213661910 U CN213661910 U CN 213661910U
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- diaphragm
- vibrating diaphragm
- sound generating
- sound
- damping layer
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CN202022823601.6U CN213661910U (zh) | 2020-11-30 | 2020-11-30 | 一种发声装置的振膜及发声装置 |
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CN202022823601.6U CN213661910U (zh) | 2020-11-30 | 2020-11-30 | 一种发声装置的振膜及发声装置 |
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CN213661910U true CN213661910U (zh) | 2021-07-09 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114025288A (zh) * | 2021-10-27 | 2022-02-08 | 惠州市众瑞声电子有限公司 | 一种防失真高音质音响振膜 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114025288A (zh) * | 2021-10-27 | 2022-02-08 | 惠州市众瑞声电子有限公司 | 一种防失真高音质音响振膜 |
CN114025288B (zh) * | 2021-10-27 | 2024-01-16 | 惠州市众瑞声电子有限公司 | 一种防失真高音质音响振膜 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211026 Address after: 024000 No. 2, economic development zone, Hongshan District, Chifeng City, Inner Mongolia Autonomous Region (west side of Danlong pharmaceutical) Patentee after: Chifeng zhuo'ou Electronic Technology Co.,Ltd. Address before: 024000 No.1 Economic Development Zone, Hongshan District, Chifeng City, Inner Mongolia Autonomous Region (west side of Danlong pharmaceutical) Patentee before: Inner Mongolia Enwo Electronic Technology Co.,Ltd. |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Diaphragm and sound producing device of a sound producing device Effective date of registration: 20220601 Granted publication date: 20210709 Pledgee: Zheshang Bank Co.,Ltd. Hohhot Branch Pledgor: Chifeng zhuo'ou Electronic Technology Co.,Ltd. Registration number: Y2022150000049 |