CN203788455U - 背极式大振膜麦克风 - Google Patents
背极式大振膜麦克风 Download PDFInfo
- Publication number
- CN203788455U CN203788455U CN201420052118.4U CN201420052118U CN203788455U CN 203788455 U CN203788455 U CN 203788455U CN 201420052118 U CN201420052118 U CN 201420052118U CN 203788455 U CN203788455 U CN 203788455U
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- CN
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- Prior art keywords
- damping sheet
- plate
- pole base
- pole
- aforementioned
- 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
- 238000013016 damping Methods 0.000 claims abstract description 56
- 239000002184 metal Substances 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000004080 punching Methods 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000001603 reducing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 230000035699 permeability Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Building Environments (AREA)
Abstract
Description
Claims (9)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420052118.4U CN203788455U (zh) | 2014-01-27 | 2014-01-27 | 背极式大振膜麦克风 |
TW103215628U TWM495049U (zh) | 2014-01-27 | 2014-09-01 | 背極式大振膜麥克風 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420052118.4U CN203788455U (zh) | 2014-01-27 | 2014-01-27 | 背极式大振膜麦克风 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203788455U true CN203788455U (zh) | 2014-08-20 |
Family
ID=51324603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420052118.4U Expired - Lifetime CN203788455U (zh) | 2014-01-27 | 2014-01-27 | 背极式大振膜麦克风 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN203788455U (zh) |
TW (1) | TWM495049U (zh) |
-
2014
- 2014-01-27 CN CN201420052118.4U patent/CN203788455U/zh not_active Expired - Lifetime
- 2014-09-01 TW TW103215628U patent/TWM495049U/zh unknown
Also Published As
Publication number | Publication date |
---|---|
TWM495049U (zh) | 2015-02-01 |
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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 |
Denomination of utility model: Back electrets type large vibrating microphone Effective date of registration: 20180118 Granted publication date: 20140820 Pledgee: Kingston Technology Corp. Pledgor: DONGGUAN TRANSOUND ELECTRONICS Co.,Ltd. Registration number: 2018990000059 |
|
PE01 | Entry into force 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: 20140820 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 | ||
CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
CX01 | Expiry of patent term |