CN204559879U - 一种驻极体电容式麦克风 - Google Patents
一种驻极体电容式麦克风 Download PDFInfo
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- CN204559879U CN204559879U CN201520300001.8U CN201520300001U CN204559879U CN 204559879 U CN204559879 U CN 204559879U CN 201520300001 U CN201520300001 U CN 201520300001U CN 204559879 U CN204559879 U CN 204559879U
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- circulation passage
- damping layer
- cavity
- sound stream
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- 239000003990 capacitor Substances 0.000 title claims abstract description 19
- 238000013016 damping Methods 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 1
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- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
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CN201520300001.8U CN204559879U (zh) | 2015-05-11 | 2015-05-11 | 一种驻极体电容式麦克风 |
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CN201520300001.8U CN204559879U (zh) | 2015-05-11 | 2015-05-11 | 一种驻极体电容式麦克风 |
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CN204559879U true CN204559879U (zh) | 2015-08-12 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111770425A (zh) * | 2020-06-24 | 2020-10-13 | 瑞声科技(南京)有限公司 | 换能器 |
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- 2015-05-11 CN CN201520300001.8U patent/CN204559879U/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111770425A (zh) * | 2020-06-24 | 2020-10-13 | 瑞声科技(南京)有限公司 | 换能器 |
CN111770425B (zh) * | 2020-06-24 | 2021-09-07 | 瑞声科技(南京)有限公司 | 换能器 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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TR01 | Transfer of patent right |
Effective date of registration: 20200616 Address after: 266104 room 103, 396 Songling Road, Laoshan District, Qingdao, Shandong Province Patentee after: Goer Microelectronics Co.,Ltd. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: GOERTEK Inc. |
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TR01 | Transfer of patent right |