CN203912198U - 抗干扰的电容式麦克风 - Google Patents
抗干扰的电容式麦克风 Download PDFInfo
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- CN203912198U CN203912198U CN201420287805.4U CN201420287805U CN203912198U CN 203912198 U CN203912198 U CN 203912198U CN 201420287805 U CN201420287805 U CN 201420287805U CN 203912198 U CN203912198 U CN 203912198U
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- 239000003990 capacitor Substances 0.000 claims abstract description 63
- 239000011324 bead Substances 0.000 claims abstract description 33
- 230000005669 field effect Effects 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000004088 simulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420287805.4U CN203912198U (zh) | 2014-05-30 | 2014-05-30 | 抗干扰的电容式麦克风 |
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CN201420287805.4U CN203912198U (zh) | 2014-05-30 | 2014-05-30 | 抗干扰的电容式麦克风 |
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CN203912198U true CN203912198U (zh) | 2014-10-29 |
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CN201420287805.4U Expired - Lifetime CN203912198U (zh) | 2014-05-30 | 2014-05-30 | 抗干扰的电容式麦克风 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110442221A (zh) * | 2019-06-27 | 2019-11-12 | 芜湖康爱而电气有限公司 | 一种基于电源芯片的dsp供电电路 |
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2014
- 2014-05-30 CN CN201420287805.4U patent/CN203912198U/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110442221A (zh) * | 2019-06-27 | 2019-11-12 | 芜湖康爱而电气有限公司 | 一种基于电源芯片的dsp供电电路 |
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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 Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200608 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 Industrial Development Zone, Shandong, China, No. 268 Patentee before: GOERTEK Inc. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20141029 |