CN207652646U - 一种带导声管的耳套 - Google Patents
一种带导声管的耳套 Download PDFInfo
- Publication number
- CN207652646U CN207652646U CN201721857382.5U CN201721857382U CN207652646U CN 207652646 U CN207652646 U CN 207652646U CN 201721857382 U CN201721857382 U CN 201721857382U CN 207652646 U CN207652646 U CN 207652646U
- Authority
- CN
- China
- Prior art keywords
- phonocatheter
- ear muff
- resonant cavity
- ear
- operatic tunes
- 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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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
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Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721857382.5U CN207652646U (zh) | 2017-12-27 | 2017-12-27 | 一种带导声管的耳套 |
Applications Claiming Priority (1)
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CN201721857382.5U CN207652646U (zh) | 2017-12-27 | 2017-12-27 | 一种带导声管的耳套 |
Publications (1)
Publication Number | Publication Date |
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CN207652646U true CN207652646U (zh) | 2018-07-24 |
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Family Applications (1)
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CN201721857382.5U Expired - Fee Related CN207652646U (zh) | 2017-12-27 | 2017-12-27 | 一种带导声管的耳套 |
Country Status (1)
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CN (1) | CN207652646U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107948803A (zh) * | 2017-12-27 | 2018-04-20 | 声源科技(深圳)有限公司 | 一种带导声管的耳套 |
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2017
- 2017-12-27 CN CN201721857382.5U patent/CN207652646U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107948803A (zh) * | 2017-12-27 | 2018-04-20 | 声源科技(深圳)有限公司 | 一种带导声管的耳套 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: No.19-a, building 3, science research development park, no.009, gaoxinnan 1st Road, high tech Zone, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Shengyuan Tech Ltd. Address before: 518000 Guangdong city of Shenzhen province science and Technology Park North Street Nanshan District Xili road six North High Technology Park building 309 C blue light Patentee before: Shenzhen Shengyuan Tech Ltd. |
|
CP02 | Change in the address of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20211227 |
|
CF01 | Termination of patent right due to non-payment of annual fee |