HUT63504A - Circuit arrangement for signal level control of multi-time constant - Google Patents

Circuit arrangement for signal level control of multi-time constant

Info

Publication number
HUT63504A
HUT63504A HU9201362A HU9201362A HUT63504A HU T63504 A HUT63504 A HU T63504A HU 9201362 A HU9201362 A HU 9201362A HU 9201362 A HU9201362 A HU 9201362A HU T63504 A HUT63504 A HU T63504A
Authority
HU
Hungary
Prior art keywords
signal level
time constant
circuit arrangement
level control
arrangement
Prior art date
Application number
HU9201362A
Other languages
English (en)
Other versions
HU216045B (hu
HU9201362D0 (en
Inventor
Jeffrey Basil Lendaro
Original Assignee
Thomson Consumer Electronics
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 Thomson Consumer Electronics filed Critical Thomson Consumer Electronics
Publication of HU9201362D0 publication Critical patent/HU9201362D0/hu
Publication of HUT63504A publication Critical patent/HUT63504A/hu
Publication of HU216045B publication Critical patent/HU216045B/hu

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • 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
    • H03G3/344—Muting responsive to the amount of noise (noise squelch)
    • 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

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Television Receiver Circuits (AREA)
HUP9201362A 1991-05-06 1992-04-23 Kapcsolási elrendezés jelszint vezérlésére HU216045B (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/696,490 US5121076A (en) 1991-05-06 1991-05-06 Plural time constant signal control

Publications (3)

Publication Number Publication Date
HU9201362D0 HU9201362D0 (en) 1992-08-28
HUT63504A true HUT63504A (en) 1993-08-30
HU216045B HU216045B (hu) 1999-04-28

Family

ID=24797285

Family Applications (1)

Application Number Title Priority Date Filing Date
HUP9201362A HU216045B (hu) 1991-05-06 1992-04-23 Kapcsolási elrendezés jelszint vezérlésére

Country Status (16)

Country Link
US (1) US5121076A (hu)
EP (1) EP0512376B1 (hu)
JP (1) JP3376459B2 (hu)
KR (1) KR100265318B1 (hu)
CN (1) CN1080514C (hu)
CA (1) CA2065655C (hu)
CZ (1) CZ281736B6 (hu)
DE (1) DE69230272T2 (hu)
ES (1) ES2137934T3 (hu)
HU (1) HU216045B (hu)
MX (1) MX9202113A (hu)
MY (1) MY108228A (hu)
PL (1) PL168360B1 (hu)
SG (1) SG97737A1 (hu)
SK (1) SK282411B6 (hu)
TR (1) TR28224A (hu)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0520786A (ja) * 1991-07-09 1993-01-29 Canon Inc 情報信号出力装置
US5818299A (en) * 1995-08-04 1998-10-06 Compaq Computer Corporation Power management in a computer
US5781456A (en) * 1997-07-11 1998-07-14 Space Systems/Loral, Inc. Software select and test
US5955927A (en) * 1998-04-20 1999-09-21 Lucent Technolgies Inc RF power transistor control using collector current
JP5731615B2 (ja) * 2013-10-25 2015-06-10 日本電信電話株式会社 トランスインピーダンスアンプ回路

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828267A (en) * 1972-05-27 1974-08-06 Sony Corp Muting circuit
US3916321A (en) * 1975-01-20 1975-10-28 Gte Sylvania Inc Noise suppression circuit
US3961281A (en) * 1975-05-23 1976-06-01 Rca Corporation Digital control system
DE2629286A1 (de) * 1975-07-09 1977-01-27 Gte Sylvania Inc Schaltung zur automatischen lautstaerkeregelung
DE2917100C2 (de) * 1979-04-27 1982-03-04 Standard Elektrik Lorenz Ag, 7000 Stuttgart Ein-/Ausblendschaltung für einen NF-Verstärker
US4405948A (en) * 1982-01-26 1983-09-20 Rca Corporation Volume control signal coupling circuit in an audio signal processing system
US4641190A (en) * 1985-05-10 1987-02-03 Rca Corporation Muting system
US4633518A (en) * 1985-07-02 1986-12-30 General Motors Corporation AGC voltage generator with automatic rate switching
JPS6210930A (ja) * 1985-07-06 1987-01-19 Nec Corp スケルチ検出回路
US4792990A (en) * 1987-02-27 1988-12-20 Rca Licensing Corporation Audio amplifier with programmed volume control
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
JPH01149602A (ja) * 1987-12-07 1989-06-12 Matsushita Electric Ind Co Ltd ミューティング回路
US4937672A (en) * 1989-04-14 1990-06-26 Rca Licensing Corporation Audio switching for an audio/video system having S-VIDEO capability

Also Published As

Publication number Publication date
CS130292A3 (en) 1992-12-16
DE69230272D1 (de) 1999-12-16
JP3376459B2 (ja) 2003-02-10
HU216045B (hu) 1999-04-28
DE69230272T2 (de) 2000-02-24
PL294355A1 (en) 1992-11-16
CN1080514C (zh) 2002-03-06
SG97737A1 (en) 2003-08-20
EP0512376A3 (en) 1993-08-18
SK282411B6 (sk) 2002-01-07
KR100265318B1 (ko) 2000-09-15
PL168360B1 (pl) 1996-02-29
CA2065655A1 (en) 1992-11-07
ES2137934T3 (es) 2000-01-01
JPH0630357A (ja) 1994-02-04
MX9202113A (es) 1992-11-01
CN1066553A (zh) 1992-11-25
CA2065655C (en) 1996-07-30
EP0512376B1 (en) 1999-11-10
HU9201362D0 (en) 1992-08-28
US5121076A (en) 1992-06-09
EP0512376A2 (en) 1992-11-11
CZ281736B6 (cs) 1997-01-15
KR920022883A (ko) 1992-12-19
TR28224A (tr) 1996-03-21
MY108228A (en) 1996-08-30

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Legal Events

Date Code Title Description
HMM4 Cancellation of final prot. due to non-payment of fee