CH462894A - Dispositif de réglage automatique de gain d'un amplificateur audio - Google Patents

Dispositif de réglage automatique de gain d'un amplificateur audio

Info

Publication number
CH462894A
CH462894A CH1408866A CH1408866A CH462894A CH 462894 A CH462894 A CH 462894A CH 1408866 A CH1408866 A CH 1408866A CH 1408866 A CH1408866 A CH 1408866A CH 462894 A CH462894 A CH 462894A
Authority
CH
Switzerland
Prior art keywords
adjustment device
automatic gain
audio amplifier
gain adjustment
amplifier
Prior art date
Application number
CH1408866A
Other languages
English (en)
Inventor
Bessire Jean-Jacques
Mathey Henri
Original Assignee
Eresa S A
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 Eresa S A filed Critical Eresa S A
Priority to CH1408866A priority Critical patent/CH462894A/fr
Priority to US668139A priority patent/US3519948A/en
Priority to GB42636/67A priority patent/GB1193324A/en
Publication of CH462894A publication Critical patent/CH462894A/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H03G7/004—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using continuously variable impedance devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
CH1408866A 1966-09-29 1966-09-29 Dispositif de réglage automatique de gain d'un amplificateur audio CH462894A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH1408866A CH462894A (fr) 1966-09-29 1966-09-29 Dispositif de réglage automatique de gain d'un amplificateur audio
US668139A US3519948A (en) 1966-09-29 1967-09-15 Purely electronic automatic gain control for an audio amplifier
GB42636/67A GB1193324A (en) 1966-09-29 1967-09-19 Control Devices for Regulating the Amplitude of Audio Frequency Signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1408866A CH462894A (fr) 1966-09-29 1966-09-29 Dispositif de réglage automatique de gain d'un amplificateur audio

Publications (1)

Publication Number Publication Date
CH462894A true CH462894A (fr) 1968-09-30

Family

ID=4397856

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1408866A CH462894A (fr) 1966-09-29 1966-09-29 Dispositif de réglage automatique de gain d'un amplificateur audio

Country Status (3)

Country Link
US (1) US3519948A (fr)
CH (1) CH462894A (fr)
GB (1) GB1193324A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1190872B (it) * 1982-06-17 1988-02-24 Sgs Microelettronica Spa Sistema di amplificazione audio con incremento della potenza media di ascolto
GB2133943B (en) * 1983-01-12 1986-09-17 Ncr Co Automatic gain control circuit
GB2166015B (en) * 1984-10-05 1988-10-05 Ross Marks Limited Headphones

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2135953A (en) * 1935-07-26 1938-11-08 Telefunken Gmbh Variable resistance bridge circuit
GB604499A (en) * 1945-12-21 1948-07-05 Stanley Arthur Byard Improvements in and relating to electronic amplifiers
US2824179A (en) * 1954-06-16 1958-02-18 California Research Corp Apparatus for amplifying seismic signals
US2946017A (en) * 1956-12-28 1960-07-19 Jr Francis J Murphree Automatic volume control
US3109989A (en) * 1961-09-19 1963-11-05 Bell Telephone Labor Inc Automatic gain control circuit using plural time constant means
US3243919A (en) * 1964-03-02 1966-04-05 Oscar T Carlson Irrigating plant receptacle
US3351861A (en) * 1964-06-08 1967-11-07 Collins Radio Co Dual time constant avc circuit

Also Published As

Publication number Publication date
GB1193324A (en) 1970-05-28
US3519948A (en) 1970-07-07

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