CN200976675Y - 用于电声换能器的铁电振膜 - Google Patents
用于电声换能器的铁电振膜 Download PDFInfo
- Publication number
- CN200976675Y CN200976675Y CN 200620016453 CN200620016453U CN200976675Y CN 200976675 Y CN200976675 Y CN 200976675Y CN 200620016453 CN200620016453 CN 200620016453 CN 200620016453 U CN200620016453 U CN 200620016453U CN 200976675 Y CN200976675 Y CN 200976675Y
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- Prior art keywords
- ferroelectric
- vibrating diaphragm
- film
- electroacoustic transducer
- diaphragm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Piezo-Electric Transducers For Audible Bands (AREA)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200620016453 CN200976675Y (zh) | 2006-12-13 | 2006-12-13 | 用于电声换能器的铁电振膜 |
Applications Claiming Priority (1)
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CN 200620016453 CN200976675Y (zh) | 2006-12-13 | 2006-12-13 | 用于电声换能器的铁电振膜 |
Publications (1)
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CN200976675Y true CN200976675Y (zh) | 2007-11-14 |
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CN 200620016453 Expired - Fee Related CN200976675Y (zh) | 2006-12-13 | 2006-12-13 | 用于电声换能器的铁电振膜 |
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CN (1) | CN200976675Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101546965B (zh) * | 2009-04-30 | 2011-01-26 | 厦门大学 | 基于mems的平面振动双螺旋压电换能器 |
-
2006
- 2006-12-13 CN CN 200620016453 patent/CN200976675Y/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101546965B (zh) * | 2009-04-30 | 2011-01-26 | 厦门大学 | 基于mems的平面振动双螺旋压电换能器 |
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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: SHENZHEN HORN ACOUSTICS CO., LTD. Free format text: FORMER NAME OR ADDRESS: SHENZHEN HORN ELECTROACOUSTIC TECHNOLOGY CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 17 industrial parks, Longhua Town, Guangdong City, Shenzhen Province, China: 518109 Patentee after: Shenzhen Horn Audio Co., Ltd. Address before: 17 industrial parks, Longhua Town, Guangdong City, Shenzhen Province, China: 518109 Patentee before: Shenzhen Horn Electroacoustic Technology Co., Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20100113 |