FR2280244B1 - - Google Patents

Info

Publication number
FR2280244B1
FR2280244B1 FR7513459A FR7513459A FR2280244B1 FR 2280244 B1 FR2280244 B1 FR 2280244B1 FR 7513459 A FR7513459 A FR 7513459A FR 7513459 A FR7513459 A FR 7513459A FR 2280244 B1 FR2280244 B1 FR 2280244B1
Authority
FR
France
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
FR7513459A
Other versions
FR2280244A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2280244A1 publication Critical patent/FR2280244A1/fr
Application granted granted Critical
Publication of FR2280244B1 publication Critical patent/FR2280244B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • 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
FR7513459A 1974-04-30 1975-04-29 Circuit de silence fonctionnant notamment comme amplificateur Granted FR2280244A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2280244A1 FR2280244A1 (fr) 1976-02-20
FR2280244B1 true FR2280244B1 (fr) 1980-04-11

Family

ID=12824093

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7513459A Granted FR2280244A1 (fr) 1974-04-30 1975-04-29 Circuit de silence fonctionnant notamment comme amplificateur

Country Status (8)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH589973A5 (fr) * 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
US4793480A (en) * 1986-12-16 1988-12-27 Shape Inc. Storage container for a recording medium with a pivotally mounted tongue
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 (fr) * 1992-05-22 1999-12-22 STMicroelectronics S.r.l. Circuit de commande pour débrancher un amplificateur audio
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 (fr) * 1972-11-20 1978-06-16

Also Published As

Publication number Publication date
CA1024611A (fr) 1978-01-17
DE2519056A1 (de) 1975-11-20
FR2280244A1 (fr) 1976-02-20
DE2519056C2 (fr) 1989-12-28
US3992677A (en) 1976-11-16
JPS50141949A (fr) 1975-11-15
NL7505116A (nl) 1975-11-03
GB1504032A (en) 1978-03-15
IT1037794B (it) 1979-11-20
JPS5715486B2 (fr) 1982-03-31

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Legal Events

Date Code Title Description
ST Notification of lapse