TW200640275A - Anti-pop circuit - Google Patents

Anti-pop circuit

Info

Publication number
TW200640275A
TW200640275A TW094114142A TW94114142A TW200640275A TW 200640275 A TW200640275 A TW 200640275A TW 094114142 A TW094114142 A TW 094114142A TW 94114142 A TW94114142 A TW 94114142A TW 200640275 A TW200640275 A TW 200640275A
Authority
TW
Taiwan
Prior art keywords
pop
pop circuit
diode
circuit
turned
Prior art date
Application number
TW094114142A
Other languages
English (en)
Other versions
TWI275312B (en
Inventor
Cheng-Jan Chi
Hung-Yuan Li
Sheng-Neng Yu
Sheng-Fu Yang
Original Assignee
Asustek Comp Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asustek Comp Inc filed Critical Asustek Comp Inc
Priority to TW094114142A priority Critical patent/TWI275312B/zh
Priority to US11/400,317 priority patent/US8199929B2/en
Publication of TW200640275A publication Critical patent/TW200640275A/zh
Application granted granted Critical
Publication of TWI275312B publication Critical patent/TWI275312B/zh

Links

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
TW094114142A 2005-05-02 2005-05-02 Anti-pop circuit TWI275312B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW094114142A TWI275312B (en) 2005-05-02 2005-05-02 Anti-pop circuit
US11/400,317 US8199929B2 (en) 2005-05-02 2006-04-10 Anti-pop circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW094114142A TWI275312B (en) 2005-05-02 2005-05-02 Anti-pop circuit

Publications (2)

Publication Number Publication Date
TW200640275A true TW200640275A (en) 2006-11-16
TWI275312B TWI275312B (en) 2007-03-01

Family

ID=37234451

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094114142A TWI275312B (en) 2005-05-02 2005-05-02 Anti-pop circuit

Country Status (2)

Country Link
US (1) US8199929B2 (zh)
TW (1) TWI275312B (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102065352A (zh) * 2010-11-08 2011-05-18 中兴通讯股份有限公司 一种消除capless音频功放pop音的装置及方法
CN102547528A (zh) * 2012-01-04 2012-07-04 深圳市宽宏科技有限公司 开机瞬间静音电路
CN102572642A (zh) * 2010-12-14 2012-07-11 联芯科技有限公司 音频pop音的消除方法及耳机音频电路

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004229203A (ja) 2003-01-27 2004-08-12 Ricoh Co Ltd 半導体集積回路および該半導体集積回路を用いた音響素子ドライブアンプ
TWI351023B (en) 2008-02-15 2011-10-21 Hon Hai Prec Ind Co Ltd Pop noise suppression apparatus and audio output system utilizing the same
US8325940B2 (en) 2008-12-19 2012-12-04 Conexant Systems, Inc. Power management controller for drivers
TWI410144B (zh) * 2010-01-11 2013-09-21 Hon Hai Prec Ind Co Ltd 爆音抑制電路
TWI484836B (zh) * 2011-07-04 2015-05-11 Top Victory Invest Ltd Explosion-proof sound of the display device, audio processing device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255094A (en) * 1990-10-10 1993-10-19 Thomson Consumer Electronics, S.A. Muting circuit for eliminating transient signals generated due to power supply turn-on and turn-off
JPH04160910A (ja) * 1990-10-25 1992-06-04 Pioneer Electron Corp 保護回路
JP3537571B2 (ja) * 1995-12-05 2004-06-14 ローム株式会社 オーディオ信号増幅回路
US5734729A (en) * 1996-01-17 1998-03-31 Compaq Computer Corporation Apparatus for eliminating audio noise when power is cycled to a computer
EP2197120B1 (en) * 2000-03-15 2012-07-25 Hitachi Metals, Ltd. High-frequency module and wireless communication device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102065352A (zh) * 2010-11-08 2011-05-18 中兴通讯股份有限公司 一种消除capless音频功放pop音的装置及方法
CN102065352B (zh) * 2010-11-08 2014-09-10 中兴通讯股份有限公司 一种消除capless音频功放pop音的装置及方法
CN102572642A (zh) * 2010-12-14 2012-07-11 联芯科技有限公司 音频pop音的消除方法及耳机音频电路
CN102572642B (zh) * 2010-12-14 2014-12-10 联芯科技有限公司 音频pop音的消除方法及耳机音频电路
CN102547528A (zh) * 2012-01-04 2012-07-04 深圳市宽宏科技有限公司 开机瞬间静音电路

Also Published As

Publication number Publication date
US20060245602A1 (en) 2006-11-02
US8199929B2 (en) 2012-06-12
TWI275312B (en) 2007-03-01

Similar Documents

Publication Publication Date Title
TW200640275A (en) Anti-pop circuit
WO2007009465A3 (en) Programmable microphone
TW200636657A (en) Driving circuit for current programmed organic light-emitting diode displays
GB2416210A8 (en) A sensing circuit utilising an ion sensitive fieldeffect transistor
GB2452439A (en) Control circuit and method for controlling light emitting diodes
TW200701588A (en) Dual loop voltage regulation circuit of power supply chip
WO2006036001A3 (en) Switching regulator
TW200746584A (en) Noise immune over current protection with inherent current limiting for switching power converter
TW200627251A (en) Optical wireless mouse power saving feature
ATE443914T1 (de) Multi-input-kreis
TW200642283A (en) Voltage hold circuit and clock synchronization circuit
WO2007038649A3 (en) Power supply with current limiting circuits
TW200733576A (en) A variable power adaptive transmitter
WO2006093812A3 (en) Light emitting device driver circuit
TW200725213A (en) Clock switching circuit
WO2007054344A3 (de) Integrierter elektronischer schaltkreis
TW200744062A (en) Shift register
TW200644406A (en) Operational amplifier circuit having adjustable bias current
TW200627768A (en) Level shifter
TW200636369A (en) Optical receiver
TW200625746A (en) Over-current protection device
WO2008015462A3 (en) Power supply circuit
TW200745997A (en) Light driving device
WO2007073930A3 (de) Schaltkreis-anordnung mit exschutz
DK1913618T3 (da) Omskifter