CN1665348B - 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
- CN1665348B CN1665348B CN200510051227XA CN200510051227A CN1665348B CN 1665348 B CN1665348 B CN 1665348B CN 200510051227X A CN200510051227X A CN 200510051227XA CN 200510051227 A CN200510051227 A CN 200510051227A CN 1665348 B CN1665348 B CN 1665348B
- Authority
- CN
- China
- Prior art keywords
- capacitor microphone
- electret capacitor
- mentioned
- electret
- transient voltage
- 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 - Fee Related
Links
Images
Classifications
-
- 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
- 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
-
- 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
Abstract
Description
Claims (5)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040014527A KR20050089219A (ko) | 2004-03-04 | 2004-03-04 | 정전기 보호 및 잡음 차단이 가능한 일렉트리트 콘덴서마이크로폰 |
KR1020040014527 | 2004-03-04 | ||
KR10-2004-0014527 | 2004-03-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1665348A CN1665348A (zh) | 2005-09-07 |
CN1665348B true 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) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8064866B2 (en) * | 2004-06-16 | 2011-11-22 | Nxp B.V. | Passive processing device for interfacing and for ESD and radio signal rejection in audio signal paths of an electronic device |
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 |
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 |
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 |
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 |
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1366785A (zh) * | 2000-04-26 | 2002-08-28 | 三菱电机株式会社 | 半导体驻极体电容器麦克风 |
US6516069B1 (en) * | 2000-02-25 | 2003-02-04 | Mitsubishi Denki Kabushiki Kaisha | Microphone filter and microphone unit |
CN1416662A (zh) * | 2000-03-10 | 2003-05-07 | 诺基亚有限公司 | 送话器构件 |
Family Cites Families (8)
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 |
US6708023B1 (en) * | 2000-02-25 | 2004-03-16 | Motorola Inc. | Method and apparatus for noise suppression of received audio signal in a cellular telephone |
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
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6516069B1 (en) * | 2000-02-25 | 2003-02-04 | Mitsubishi Denki Kabushiki Kaisha | Microphone filter and microphone unit |
CN1416662A (zh) * | 2000-03-10 | 2003-05-07 | 诺基亚有限公司 | 送话器构件 |
CN1366785A (zh) * | 2000-04-26 | 2002-08-28 | 三菱电机株式会社 | 半导体驻极体电容器麦克风 |
Non-Patent Citations (2)
Title |
---|
JP特开2003-230195A 2003.08.15 |
同上. |
Also Published As
Publication number | Publication date |
---|---|
US20100208919A1 (en) | 2010-08-19 |
HK1077962A1 (en) | 2006-02-24 |
CN1665348A (zh) | 2005-09-07 |
US7702118B2 (en) | 2010-04-20 |
EP1571874A2 (en) | 2005-09-07 |
KR20050089219A (ko) | 2005-09-08 |
US20050196010A1 (en) | 2005-09-08 |
EP1571874A3 (en) | 2008-07-16 |
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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. |
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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 |