NL182358C - Schakeling voor blokkering van inschakelverschijnselen bij een via een voedingsschakelaar aan een voedingsbron aangesloten versterkingsschakeling. - Google Patents

Schakeling voor blokkering van inschakelverschijnselen bij een via een voedingsschakelaar aan een voedingsbron aangesloten versterkingsschakeling.

Info

Publication number
NL182358C
NL182358C NLAANVRAGE7217237,A NL7217237A NL182358C NL 182358 C NL182358 C NL 182358C NL 7217237 A NL7217237 A NL 7217237A NL 182358 C NL182358 C NL 182358C
Authority
NL
Netherlands
Prior art keywords
switch
power
synthesis
blocking
connection via
Prior art date
Application number
NLAANVRAGE7217237,A
Other languages
English (en)
Dutch (nl)
Other versions
NL182358B (nl
NL7217237A (hu
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 NL7217237A publication Critical patent/NL7217237A/xx
Publication of NL182358B publication Critical patent/NL182358B/xx
Application granted granted Critical
Publication of NL182358C publication Critical patent/NL182358C/xx

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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Electronic Switches (AREA)
  • Control Of Amplification And Gain Control (AREA)
NLAANVRAGE7217237,A 1971-12-17 1972-12-18 Schakeling voor blokkering van inschakelverschijnselen bij een via een voedingsschakelaar aan een voedingsbron aangesloten versterkingsschakeling. NL182358C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971119153U JPS5339170Y2 (hu) 1971-12-17 1971-12-17

Publications (3)

Publication Number Publication Date
NL7217237A NL7217237A (hu) 1973-06-19
NL182358B NL182358B (nl) 1987-09-16
NL182358C true NL182358C (nl) 1988-02-16

Family

ID=14754218

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7217237,A NL182358C (nl) 1971-12-17 1972-12-18 Schakeling voor blokkering van inschakelverschijnselen bij een via een voedingsschakelaar aan een voedingsbron aangesloten versterkingsschakeling.

Country Status (6)

Country Link
US (1) US3840820A (hu)
JP (1) JPS5339170Y2 (hu)
CA (1) CA964594A (hu)
DE (1) DE2261139C2 (hu)
GB (1) GB1401457A (hu)
NL (1) NL182358C (hu)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5340129Y2 (hu) * 1972-12-14 1978-09-28
JPS5744044B2 (hu) * 1974-01-10 1982-09-18
US3965295A (en) * 1974-07-17 1976-06-22 Mcintosh Laboratory, Inc. Protective system for stereo loudspeakers
JPS574491Y2 (hu) * 1975-07-25 1982-01-27
JPS5616826Y2 (hu) * 1975-11-21 1981-04-20
US4054845A (en) * 1975-12-08 1977-10-18 Rca Corporation Transient and thermal protection
JPS5642575Y2 (hu) * 1976-08-16 1981-10-05
JPS5394160A (en) * 1977-01-28 1978-08-17 Pioneer Electronic Corp Muutuning circuit
JPS6127210Y2 (hu) * 1977-05-31 1986-08-14
JPS6034094Y2 (ja) * 1979-03-26 1985-10-11 オリンパス光学工業株式会社 ミユ−テイング回路
JPS55684A (en) * 1979-04-14 1980-01-07 Toshiba Corp Power unit for aural amplifier
DE2950918A1 (de) * 1979-12-14 1981-06-19 Siemens AG, 1000 Berlin und 8000 München Ueberspannungsschutzschaltung
JPS5717204A (en) * 1980-07-04 1982-01-28 Fujitsu Ltd Transient sound prevention type power amplifying circuit
US4408098A (en) * 1981-06-18 1983-10-04 U.S. Philips Corporation Receiver with field-strength dependent noise reduction control
DE3131429C2 (de) * 1981-08-07 1986-03-20 ANT Nachrichtentechnik GmbH, 7150 Backnang Transistor-Leistungsschaltung
DE3216833A1 (de) * 1982-05-05 1983-11-10 Siemens AG, 1000 Berlin und 8000 München Schutzschaltung fuer einen schalttransistor
US4441086A (en) * 1982-05-13 1984-04-03 General Motors Corporation Audio system with orderly shutdown sequence
JPS5955608A (ja) * 1982-09-24 1984-03-30 Hitachi Ltd 増幅器
DE3337072C2 (de) * 1982-10-16 1985-09-26 Metz Apparatewerke Inh. Paul Metz, 8510 Fürth Niederfrequenzverstärker
US4975963A (en) * 1983-08-01 1990-12-04 Zvie Liberman Muting circuit
DE3512480A1 (de) * 1985-04-04 1986-10-09 AKO-Werke GmbH & Co KG, 7988 Wangen Schalteinrichtung
IT1217773B (it) * 1988-06-02 1990-03-30 Sgs Thomson Microelectronics Circuito di ammutolimento per amplificatori audio
US5237421A (en) * 1990-08-27 1993-08-17 Thomson Consumer Electronics, Inc. Shutdown system in a television receiver
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
JPH0831798B2 (ja) * 1990-11-07 1996-03-27 松下電器産業株式会社 Ｄ／ａ変換器
EP0576770B1 (en) * 1992-05-22 1999-12-22 STMicroelectronics S.r.l. Audio Amplifier turn-off control circuit
US5818299A (en) * 1995-08-04 1998-10-06 Compaq Computer Corporation Power management in a computer
US7167697B2 (en) * 2003-11-03 2007-01-23 Oneworld Enterprises Limited Reverse electronic tuning circuit for FM radio frequency-lock-loop circuits
TWI230557B (en) * 2003-11-06 2005-04-01 Liteon It Corp Mute circuit for use in the duration of power switching
CN100505542C (zh) * 2004-12-29 2009-06-24 普诚科技股份有限公司 音频放大器静音电路

Also Published As

Publication number Publication date
CA964594A (en) 1975-03-18
GB1401457A (en) 1975-07-16
US3840820A (en) 1974-10-08
JPS4873514U (hu) 1973-09-13
NL182358B (nl) 1987-09-16
DE2261139A1 (de) 1973-06-20
NL7217237A (hu) 1973-06-19
DE2261139C2 (de) 1983-06-23
JPS5339170Y2 (hu) 1978-09-21

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V2 Lapsed due to non-payment of the last due maintenance fee for the patent application