CN203072150U - 一种降噪驻极体麦克风 - Google Patents
一种降噪驻极体麦克风 Download PDFInfo
- Publication number
- CN203072150U CN203072150U CN 201220736020 CN201220736020U CN203072150U CN 203072150 U CN203072150 U CN 203072150U CN 201220736020 CN201220736020 CN 201220736020 CN 201220736020 U CN201220736020 U CN 201220736020U CN 203072150 U CN203072150 U CN 203072150U
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- damping
- wiring board
- cavity
- electret microphone
- noise reduction
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- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
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CN 201220736020 CN203072150U (zh) | 2012-12-28 | 2012-12-28 | 一种降噪驻极体麦克风 |
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CN 201220736020 CN203072150U (zh) | 2012-12-28 | 2012-12-28 | 一种降噪驻极体麦克风 |
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CN203072150U true CN203072150U (zh) | 2013-07-17 |
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CN 201220736020 Expired - Lifetime CN203072150U (zh) | 2012-12-28 | 2012-12-28 | 一种降噪驻极体麦克风 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109429156A (zh) * | 2017-09-05 | 2019-03-05 | 山东共达电声股份有限公司 | 驻极体传声器 |
CN113596682A (zh) * | 2021-08-05 | 2021-11-02 | 高邮市华声电子有限公司 | 一种防护等级高的新型防水动圈式受话器 |
CN113596681A (zh) * | 2021-08-05 | 2021-11-02 | 高邮市华声电子有限公司 | 具有抗噪声和防水特性的新型动圈式送话器 |
WO2022007040A1 (zh) * | 2020-07-10 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | 麦克风 |
-
2012
- 2012-12-28 CN CN 201220736020 patent/CN203072150U/zh not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109429156A (zh) * | 2017-09-05 | 2019-03-05 | 山东共达电声股份有限公司 | 驻极体传声器 |
CN109429156B (zh) * | 2017-09-05 | 2024-03-01 | 山东共达电声股份有限公司 | 驻极体传声器 |
WO2022007040A1 (zh) * | 2020-07-10 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | 麦克风 |
CN113596682A (zh) * | 2021-08-05 | 2021-11-02 | 高邮市华声电子有限公司 | 一种防护等级高的新型防水动圈式受话器 |
CN113596681A (zh) * | 2021-08-05 | 2021-11-02 | 高邮市华声电子有限公司 | 具有抗噪声和防水特性的新型动圈式送话器 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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: Noise-reduction electret microphone Effective date of registration: 20180118 Granted publication date: 20130717 Pledgee: Kingston Technology Corp. Pledgor: DONGGUAN TRANSOUND ELECTRONICS Co.,Ltd. Registration number: 2018990000059 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201224 Granted publication date: 20130717 Pledgee: Kingston Technology Corp. Pledgor: DONGGUAN TRANSOUND ELECTRONICS Co.,Ltd. Registration number: 2018990000059 |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130717 |