CN201898614U - 电容式麦克风 - Google Patents
电容式麦克风 Download PDFInfo
- Publication number
- CN201898614U CN201898614U CN2010205978554U CN201020597855U CN201898614U CN 201898614 U CN201898614 U CN 201898614U CN 2010205978554 U CN2010205978554 U CN 2010205978554U CN 201020597855 U CN201020597855 U CN 201020597855U CN 201898614 U CN201898614 U CN 201898614U
- Authority
- CN
- China
- Prior art keywords
- capacitor
- amplifying device
- signal
- resistance
- signal input
- 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
- 239000003990 capacitor Substances 0.000 claims abstract description 55
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 20
- 230000005669 field effect Effects 0.000 claims description 12
- 230000005236 sound signal Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Landscapes
- Circuit For Audible Band Transducer (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205978554U CN201898614U (zh) | 2010-11-09 | 2010-11-09 | 电容式麦克风 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205978554U CN201898614U (zh) | 2010-11-09 | 2010-11-09 | 电容式麦克风 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201898614U true CN201898614U (zh) | 2011-07-13 |
Family
ID=44256497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010205978554U Expired - Lifetime CN201898614U (zh) | 2010-11-09 | 2010-11-09 | 电容式麦克风 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201898614U (zh) |
-
2010
- 2010-11-09 CN CN2010205978554U patent/CN201898614U/zh not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
Effective date of registration: 20200615 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. |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20110713 |
|
CX01 | Expiry of patent term |