CN300876731S - 传声器(模拟) - Google Patents
传声器(模拟)Info
- Publication number
- CN300876731S CN300876731S CN200730166990.7F CN200730166990F CN300876731S CN 300876731 S CN300876731 S CN 300876731S CN 200730166990 F CN200730166990 F CN 200730166990F CN 300876731 S CN300876731 S CN 300876731S
- Authority
- CN
- China
- Prior art keywords
- microphone
- analog
- 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 - Lifetime
Links
Abstract
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN300876731S true CN300876731S (zh) | 2009-01-21 |
Family
ID=
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 69, Longquan street, Fangzi District, Shandong, Weifang: 261206 Patentee after: Shandong Gettop Acoustic Co.,Ltd. Address before: No. 69, Longquan street, Fangzi District, Shandong, Weifang: 261206 Patentee before: Weifang Gongda Telecommunications Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090121 Main classification number: 14-01 |