JPS5715486B2 - - Google Patents

Info

Publication number
JPS5715486B2
JPS5715486B2 JP4919074A JP4919074A JPS5715486B2 JP S5715486 B2 JPS5715486 B2 JP S5715486B2 JP 4919074 A JP4919074 A JP 4919074A JP 4919074 A JP4919074 A JP 4919074A JP S5715486 B2 JPS5715486 B2 JP S5715486B2
Authority
JP
Japan
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
Application number
JP4919074A
Other versions
JPS50141949A (ja
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 filed Critical
Priority to JP4919074A priority Critical patent/JPS5715486B2/ja
Priority to GB15016/75A priority patent/GB1504032A/en
Priority to CA225,180A priority patent/CA1024611A/en
Priority to US05/570,635 priority patent/US3992677A/en
Priority to NL7505116A priority patent/NL7505116A/xx
Priority to FR7513459A priority patent/FR2280244A1/fr
Priority to DE19752519056 priority patent/DE2519056A1/de
Priority to IT22934/75A priority patent/IT1037794B/it
Publication of JPS50141949A publication Critical patent/JPS50141949A/ja
Publication of JPS5715486B2 publication Critical patent/JPS5715486B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/348—Muting in response to a mechanical action or to power supply variations, e.g. during tuning; Click removal circuits

Landscapes

  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Bipolar Transistors (AREA)
JP4919074A 1974-04-30 1974-04-30 Expired JPS5715486B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP4919074A JPS5715486B2 (ja) 1974-04-30 1974-04-30
GB15016/75A GB1504032A (en) 1974-04-30 1975-04-11 Muting circuits
CA225,180A CA1024611A (en) 1974-04-30 1975-04-22 Muting circuit
US05/570,635 US3992677A (en) 1974-04-30 1975-04-23 Muting circuit
NL7505116A NL7505116A (nl) 1974-04-30 1975-04-29 Blokkeringsschakeling.
FR7513459A FR2280244A1 (fr) 1974-04-30 1975-04-29 Circuit de silence fonctionnant notamment comme amplificateur
DE19752519056 DE2519056A1 (de) 1974-04-30 1975-04-29 Geraeuschsperre
IT22934/75A IT1037794B (it) 1974-04-30 1975-04-30 Circuito di silenziamento

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4919074A JPS5715486B2 (ja) 1974-04-30 1974-04-30

Publications (2)

Publication Number Publication Date
JPS50141949A JPS50141949A (ja) 1975-11-15
JPS5715486B2 true JPS5715486B2 (ja) 1982-03-31

Family

ID=12824093

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4919074A Expired JPS5715486B2 (ja) 1974-04-30 1974-04-30

Country Status (8)

Country Link
US (1) US3992677A (ja)
JP (1) JPS5715486B2 (ja)
CA (1) CA1024611A (ja)
DE (1) DE2519056A1 (ja)
FR (1) FR2280244A1 (ja)
GB (1) GB1504032A (ja)
IT (1) IT1037794B (ja)
NL (1) NL7505116A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63161577A (ja) * 1986-12-16 1988-07-05 シエイプ　インコーポレイテツド 記憶媒体のための保管容器

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH589973A5 (ja) * 1975-11-06 1977-07-29 Bolex Int Sa
DE2931144A1 (de) * 1979-08-01 1981-02-19 Philips Patentverwaltung Schaltungsanordnung zum beseitigen des ein- und ausschaltknackens bei einem verstaerker
JP2585249B2 (ja) * 1987-03-06 1997-02-26 株式会社東芝 音声増幅器のシヨツク音防止回路
JPH04160910A (ja) * 1990-10-25 1992-06-04 Pioneer Electron Corp 保護回路
US5199079A (en) * 1991-05-21 1993-03-30 Thomson Consumer Electronics, Inc. Supply voltage responsive audible transient (POP) suppression arrangement
EP0576770B1 (en) * 1992-05-22 1999-12-22 STMicroelectronics S.r.l. Audio Amplifier turn-off control circuit
US6040740A (en) * 1997-04-09 2000-03-21 Lsi Logic Corporation Audio transient suppression device
GB2356286B (en) * 1999-07-07 2002-10-23 James Rodger Leitch Low noise semiconductor amplifier
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544720A (en) * 1969-03-26 1970-12-01 Mcintosh Lab Inc Protective circuit for loudspeaker
US3828267A (en) * 1972-05-27 1974-08-06 Sony Corp Muting circuit
JPS5323419Y2 (ja) * 1972-11-20 1978-06-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63161577A (ja) * 1986-12-16 1988-07-05 シエイプ　インコーポレイテツド 記憶媒体のための保管容器

Also Published As

Publication number Publication date
FR2280244B1 (ja) 1980-04-11
IT1037794B (it) 1979-11-20
FR2280244A1 (fr) 1976-02-20
DE2519056A1 (de) 1975-11-20
DE2519056C2 (ja) 1989-12-28
GB1504032A (en) 1978-03-15
CA1024611A (en) 1978-01-17
JPS50141949A (ja) 1975-11-15
NL7505116A (nl) 1975-11-03
US3992677A (en) 1976-11-16

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