CN1665348A - 具有噪音屏蔽及静电防护功能的驻极体电容器话筒 - Google Patents
具有噪音屏蔽及静电防护功能的驻极体电容器话筒 Download PDFInfo
- Publication number
- CN1665348A CN1665348A CN200510051227XA CN200510051227A CN1665348A CN 1665348 A CN1665348 A CN 1665348A CN 200510051227X A CN200510051227X A CN 200510051227XA CN 200510051227 A CN200510051227 A CN 200510051227A CN 1665348 A CN1665348 A CN 1665348A
- Authority
- CN
- China
- Prior art keywords
- capacitor microphone
- electret capacitor
- electret
- mentioned
- resistance
- 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.)
- Granted
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims abstract description 72
- 230000005669 field effect Effects 0.000 claims description 23
- 230000003068 static effect Effects 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000001052 transient effect Effects 0.000 claims 5
- 239000012528 membrane Substances 0.000 description 18
- 238000004891 communication Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 6
- 230000005686 electrostatic field Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 208000006735 Periostitis Diseases 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000003460 periosteum Anatomy 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
- F21V21/04—Recessed bases
- F21V21/041—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates
- F21V21/042—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall
- F21V21/044—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall with elastically deformable elements, e.g. spring tongues
- F21V21/046—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall with elastically deformable elements, e.g. spring tongues being tensioned by rotation of parts
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/007—Protection circuits for transducers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
- F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Amplifiers (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2004-0014527 | 2004-03-04 | ||
KR1020040014527A KR20050089219A (ko) | 2004-03-04 | 2004-03-04 | 정전기 보호 및 잡음 차단이 가능한 일렉트리트 콘덴서마이크로폰 |
KR1020040014527 | 2004-03-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1665348A true CN1665348A (zh) | 2005-09-07 |
CN1665348B CN1665348B (zh) | 2010-06-16 |
Family
ID=34747986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200510051227XA Expired - Fee Related CN1665348B (zh) | 2004-03-04 | 2005-03-03 | 具有噪音屏蔽及静电防护功能的驻极体电容器话筒 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7702118B2 (zh) |
EP (1) | EP1571874A3 (zh) |
KR (1) | KR20050089219A (zh) |
CN (1) | CN1665348B (zh) |
HK (1) | HK1077962A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102932712A (zh) * | 2012-11-19 | 2013-02-13 | 北京经纬恒润科技有限公司 | 一种接口电路设计方法、系统及接口电路 |
CN108156564A (zh) * | 2018-02-28 | 2018-06-12 | 深圳捷力泰科技开发有限公司 | 驻极体传声器 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1969486A (zh) * | 2004-06-16 | 2007-05-23 | 皇家飞利浦电子股份有限公司 | 用于在电子设备的音频信号路径中进行接口并且抑制esd和无线电信号的无源处理设备 |
KR100706441B1 (ko) * | 2005-02-28 | 2007-04-10 | 주식회사 팬택앤큐리텔 | 일렉트리트 콘덴서 마이크로폰 |
KR100720839B1 (ko) * | 2005-09-26 | 2007-05-22 | 주식회사 비에스이 | 가연인쇄회로기판 |
CN1963600A (zh) * | 2005-11-10 | 2007-05-16 | 群康科技(深圳)有限公司 | 液晶显示面板 |
US20080090625A1 (en) * | 2006-10-11 | 2008-04-17 | Analog Devices, Inc. | Microphone Microchip Device with Internal Noise Suppression |
US20090175477A1 (en) * | 2007-08-20 | 2009-07-09 | Yamaha Corporation | Vibration transducer |
KR101437505B1 (ko) * | 2007-09-19 | 2014-09-05 | 삼성전자주식회사 | 티디엠에이 노이즈 차단을 위한 마이크 장치 |
JP2009225100A (ja) * | 2008-03-17 | 2009-10-01 | Nec Electronics Corp | 半導体集積回路及びコンデンサ・マイクロフォン |
US9338550B2 (en) | 2013-08-23 | 2016-05-10 | Infineon Technologies Ag | Microphone, a microphone arrangement and a method for processing signals in a microphone |
JP6230052B2 (ja) * | 2013-10-11 | 2017-11-15 | 株式会社オーディオテクニカ | エレクトレットコンデンサマイクロホン |
KR102147913B1 (ko) | 2014-03-14 | 2020-08-25 | 삼성전자주식회사 | 노이즈 제거 기능을 구비하는 전자 장치 |
DE102016116715A1 (de) | 2016-09-07 | 2018-03-08 | Sennheiser Electronic Gmbh & Co. Kg | Drahtlos-Mikrofon-Empfangseinheit |
US10396835B2 (en) | 2017-06-16 | 2019-08-27 | Apple Inc. | System and method for reducing noise from time division multiplexing of a cellular communications transmitter |
CN107708097B (zh) * | 2017-09-26 | 2019-12-24 | 四川长虹电器股份有限公司 | 一种近距离搜寻移动智能终端的系统及方法 |
CN108282719B (zh) * | 2018-02-07 | 2023-12-05 | 合肥联宝信息技术有限公司 | 一种声音信号的控制方法及设备 |
CN114100854B (zh) * | 2021-11-17 | 2022-10-18 | 珠海格力电器股份有限公司 | 一种自动消杀的低风阻可旋转净化装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5202532A (en) * | 1990-05-21 | 1993-04-13 | Alliant Techsystems Inc. | Autonomous acoustic detonation device |
US5640127A (en) * | 1995-11-07 | 1997-06-17 | Tektronix, Inc. | Input protection for high bandwidth amplifier |
US6111497A (en) * | 1999-03-12 | 2000-08-29 | Telefonaktiebolaget Lm Ericsson | Buzzer with Zener diode in discharge path |
JP4129108B2 (ja) * | 2000-02-25 | 2008-08-06 | 三菱電機株式会社 | マイクロフォン用フィルタおよびマイクロフォン装置 |
US6708023B1 (en) * | 2000-02-25 | 2004-03-16 | Motorola Inc. | Method and apparatus for noise suppression of received audio signal in a cellular telephone |
FI109641B (fi) * | 2000-03-10 | 2002-09-13 | Nokia Corp | Mikrofonirakenne |
CN1202693C (zh) * | 2000-04-26 | 2005-05-18 | 三菱电机株式会社 | 半导体驻极体电容器麦克风 |
KR20030019753A (ko) | 2001-08-30 | 2003-03-07 | 엘지전선 주식회사 | 고압호스의 조립구조 |
SE522909C2 (sv) * | 2001-09-06 | 2004-03-16 | Ericsson Telefon Ab L M | Anordning för skydd av integrerad högfrekvenskrets innefattande en halvledarvaristor |
JP2003230195A (ja) * | 2002-02-06 | 2003-08-15 | Hosiden Corp | エレクトレットコンデンサマイクロホン |
KR100585226B1 (ko) * | 2004-03-10 | 2006-06-01 | 삼성전자주식회사 | 방열판을 갖는 반도체 패키지 및 그를 이용한 적층 패키지 |
-
2004
- 2004-03-04 KR KR1020040014527A patent/KR20050089219A/ko not_active Application Discontinuation
-
2005
- 2005-02-26 EP EP05004265A patent/EP1571874A3/en not_active Withdrawn
- 2005-03-03 CN CN200510051227XA patent/CN1665348B/zh not_active Expired - Fee Related
- 2005-03-04 US US11/072,912 patent/US7702118B2/en active Active
-
2006
- 2006-01-09 HK HK06100322.3A patent/HK1077962A1/xx not_active IP Right Cessation
-
2010
- 2010-03-09 US US12/720,438 patent/US20100208919A1/en not_active Abandoned
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102932712A (zh) * | 2012-11-19 | 2013-02-13 | 北京经纬恒润科技有限公司 | 一种接口电路设计方法、系统及接口电路 |
CN102932712B (zh) * | 2012-11-19 | 2015-08-26 | 北京经纬恒润科技有限公司 | 一种接口电路设计方法、系统及接口电路 |
CN108156564A (zh) * | 2018-02-28 | 2018-06-12 | 深圳捷力泰科技开发有限公司 | 驻极体传声器 |
Also Published As
Publication number | Publication date |
---|---|
US20050196010A1 (en) | 2005-09-08 |
US20100208919A1 (en) | 2010-08-19 |
EP1571874A3 (en) | 2008-07-16 |
HK1077962A1 (en) | 2006-02-24 |
US7702118B2 (en) | 2010-04-20 |
EP1571874A2 (en) | 2005-09-07 |
KR20050089219A (ko) | 2005-09-08 |
CN1665348B (zh) | 2010-06-16 |
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Legal Events
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Ref country code: HK Ref legal event code: DE Ref document number: 1077962 Country of ref document: HK |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Seoul, South Kerean Patentee after: Pantech property management Co. Address before: Seoul, South Kerean Patentee before: PANTECH Co.,Ltd. Address after: Seoul, South Kerean Patentee after: Pantech Co.,Ltd. Address before: Seoul, South Kerean Patentee before: CURITEL COMMUNICATIONS, Inc. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20161115 Address after: Seoul, South Kerean Patentee after: PANTECH CO.,LTD. Address before: Seoul, South Kerean Patentee before: Pantech property management Co. Effective date of registration: 20161115 Address after: Seoul, South Kerean Patentee after: PANTECH Co.,Ltd. Address before: Seoul, South Kerean Patentee before: Pantech Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20190303 |
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CF01 | Termination of patent right due to non-payment of annual fee |