CN102082983B - 爆音抑制电路 - Google Patents
爆音抑制电路 Download PDFInfo
- Publication number
- CN102082983B CN102082983B CN200910310517XA CN200910310517A CN102082983B CN 102082983 B CN102082983 B CN 102082983B CN 200910310517X A CN200910310517X A CN 200910310517XA CN 200910310517 A CN200910310517 A CN 200910310517A CN 102082983 B CN102082983 B CN 102082983B
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistance
- diode
- amplifier
- 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
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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
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Abstract
Description
爆音抑制电路 | 100 |
信号采集电路 | 10 |
电压峰值累积电路 | 20 |
延时电路 | 30 |
正向施密特触发电路 | 40 |
反向电路 | 50 |
静音电路 | 60 |
左声道静音电路 | 61 |
右声道静音电路 | 62 |
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910310517XA CN102082983B (zh) | 2009-11-26 | 2009-11-26 | 爆音抑制电路 |
US12/696,155 US8218776B2 (en) | 2009-11-26 | 2010-01-29 | Surge protection circuit for audio output device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910310517XA CN102082983B (zh) | 2009-11-26 | 2009-11-26 | 爆音抑制电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102082983A CN102082983A (zh) | 2011-06-01 |
CN102082983B true CN102082983B (zh) | 2013-11-06 |
Family
ID=44062088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910310517XA Expired - Fee Related CN102082983B (zh) | 2009-11-26 | 2009-11-26 | 爆音抑制电路 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8218776B2 (zh) |
CN (1) | CN102082983B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103037287B (zh) * | 2012-11-26 | 2015-12-02 | 华为技术有限公司 | 静音电路及具有该静音电路的电子设备 |
CN105118520B (zh) | 2015-07-13 | 2017-11-10 | 腾讯科技(深圳)有限公司 | 一种音频开头爆音的消除方法及装置 |
KR102511201B1 (ko) | 2017-09-27 | 2023-03-17 | 삼성전자주식회사 | 과전압으로부터 소자를 보호하기 위한 전자 회로 및 그것을 포함하는 전자 장치 |
TWI722279B (zh) * | 2018-04-09 | 2021-03-21 | 瑞昱半導體股份有限公司 | 可避免爆音雜訊產生的音訊編解碼電路 |
JP7144677B2 (ja) * | 2018-06-26 | 2022-09-30 | ミツミ電機株式会社 | 電源システム |
CN114123146B (zh) * | 2020-08-31 | 2023-08-22 | 华为技术有限公司 | 一种音频端口处理电路及浪涌防护方法 |
CN117996711A (zh) * | 2024-04-03 | 2024-05-07 | 深圳市博亿精科科技有限公司 | 浪涌保护电路及传感器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5768601A (en) * | 1996-01-17 | 1998-06-16 | Compaq Computer Corporation | Apparatus for eliminating audio noise when power is cycled to a computer |
CN1862950A (zh) * | 2005-05-09 | 2006-11-15 | 华硕电脑股份有限公司 | 防爆音电路 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5943852B2 (ja) * | 1977-02-08 | 1984-10-25 | 株式会社日立製作所 | 信号ホ−ルド回路 |
US4324950A (en) * | 1977-06-06 | 1982-04-13 | Strickland James C | Amplifier for driving electrostatic loudspeakers |
JPS54111208A (en) * | 1978-02-21 | 1979-08-31 | Clarion Co Ltd | Noise elimination circuit |
US5199079A (en) * | 1991-05-21 | 1993-03-30 | Thomson Consumer Electronics, Inc. | Supply voltage responsive audible transient (POP) suppression arrangement |
US5224010A (en) * | 1991-08-21 | 1993-06-29 | Compaq Computer Corporation | Power supply supervisor with independent power-up delays and a system incorporating the same |
US5740453A (en) * | 1995-03-03 | 1998-04-14 | Compaq Computer Corporation | Circuit for reducing audio amplifier noise during powering on and off |
US5677960A (en) * | 1995-05-11 | 1997-10-14 | Victor Company Of Japan, Ltd. | On-vehicle sound control apparatus |
US5774557A (en) * | 1995-07-24 | 1998-06-30 | Slater; Robert Winston | Autotracking microphone squelch for aircraft intercom systems |
US5734729A (en) * | 1996-01-17 | 1998-03-31 | Compaq Computer Corporation | Apparatus for eliminating audio noise when power is cycled to a computer |
US6473510B1 (en) * | 1998-04-03 | 2002-10-29 | Monster Cable Products, Inc. | AC power source filter for audio video electrical load |
EP1148639A1 (en) * | 2000-04-19 | 2001-10-24 | THOMSON multimedia | Electronic devices comprising an audio amplifier and methods for controlling such electronic devices |
US7058189B1 (en) * | 2001-12-14 | 2006-06-06 | Pixel Instruments Corp. | Audio monitoring and conversion apparatus and method |
JP2005051609A (ja) * | 2003-07-30 | 2005-02-24 | Mitsumi Electric Co Ltd | 信号出力回路 |
US7164312B1 (en) * | 2004-08-02 | 2007-01-16 | National Semiconductor Corporation | Apparatus and method for pop-and-click suppression with fast turn-on time |
US7170732B2 (en) * | 2004-08-10 | 2007-01-30 | Micrel Incorporated | Surge delay for current limiter |
US7492217B2 (en) * | 2004-11-12 | 2009-02-17 | Texas Instruments Incorporated | On-the-fly introduction of inter-channel delay in a pulse-width-modulation amplifier |
TW200705341A (en) * | 2005-07-22 | 2007-02-01 | Mitac Technology Corp | POP noise process circuit structure applying to panel display apparatus |
CN1941620B (zh) | 2005-09-27 | 2010-05-12 | 笙泉科技股份有限公司 | 去除扬声器爆音的方法 |
GB2441363B (en) * | 2006-08-31 | 2011-09-21 | Wolfson Ltd | Amplifier apparatus and method |
GB2441361B (en) * | 2006-08-31 | 2011-09-21 | Wolfson Microelectronics Plc | Amplifier apparatus and method |
GB2441360B (en) * | 2006-08-31 | 2011-09-21 | Wolfson Microelectronics Plc | Amplifier apparatus and method |
KR100839487B1 (ko) * | 2006-10-16 | 2008-06-19 | 삼성전자주식회사 | 팝업 노이즈 방지 회로, 이를 포함하는 디지털 앰프 및디지털 앰프의 팝업 노이즈 방지 방법 |
US20080260185A1 (en) * | 2007-04-18 | 2008-10-23 | Ching Hung Tseng | Method And Apparatus For Automatically Detecting Audio Signal And Sending Control Signal |
-
2009
- 2009-11-26 CN CN200910310517XA patent/CN102082983B/zh not_active Expired - Fee Related
-
2010
- 2010-01-29 US US12/696,155 patent/US8218776B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5768601A (en) * | 1996-01-17 | 1998-06-16 | Compaq Computer Corporation | Apparatus for eliminating audio noise when power is cycled to a computer |
CN1862950A (zh) * | 2005-05-09 | 2006-11-15 | 华硕电脑股份有限公司 | 防爆音电路 |
Also Published As
Publication number | Publication date |
---|---|
US8218776B2 (en) | 2012-07-10 |
US20110123033A1 (en) | 2011-05-26 |
CN102082983A (zh) | 2011-06-01 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: NANNING FUGUI PRECISION INDUSTRY CO., LTD. Free format text: FORMER OWNER: HONGFUJIN PRECISE INDUSTRY (SHENZHEN) CO., LTD. Effective date: 20140520 Free format text: FORMER OWNER: HONGFUJIN PRECISE INDUSTRY CO., LTD. Effective date: 20140520 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518109 SHENZHEN, GUANGDONG PROVINCE TO: 530007 NANNING, GUANGXI ZHUANG AUTONOMOUS REGION |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140520 Address after: 530007 the Guangxi Zhuang Autonomous Region, China Hi tech Zone, the headquarters of the headquarters of the road No. 18, China ASEAN enterprise base, phase 5, No. three plant Patentee after: NANNING FUGUI PRECISION INDUSTRIAL CO., LTD. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Patentee before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Patentee before: Hon Hai Precision Industry Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20181126 |
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CF01 | Termination of patent right due to non-payment of annual fee |