CH589973A5 - - Google Patents

Info

Publication number
CH589973A5
CH589973A5 CH1447175A CH1447175A CH589973A5 CH 589973 A5 CH589973 A5 CH 589973A5 CH 1447175 A CH1447175 A CH 1447175A CH 1447175 A CH1447175 A CH 1447175A CH 589973 A5 CH589973 A5 CH 589973A5
Authority
CH
Switzerland
Application number
CH1447175A
Original Assignee
Bolex Int Sa
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 Bolex Int Sa filed Critical Bolex Int Sa
Priority to CH1447175A priority Critical patent/CH589973A5/xx
Priority to AT98476A priority patent/AT350391B/de
Priority to US05/739,011 priority patent/US4079335A/en
Priority to JP51133109A priority patent/JPS5278347A/ja
Priority to DE19762650674 priority patent/DE2650674A1/de
Priority to IT09649/76A priority patent/IT1078582B/it
Publication of CH589973A5 publication Critical patent/CH589973A5/xx

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
    • G03B31/02—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture film
    • 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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Control Of Amplification And Gain Control (AREA)
CH1447175A 1975-11-06 1975-11-06 CH589973A5 (da)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1447175A CH589973A5 (da) 1975-11-06 1975-11-06
AT98476A AT350391B (de) 1975-11-06 1976-02-12 Schaltungsanordnung fuer ein elektroakustisches geraet
US05/739,011 US4079335A (en) 1975-11-06 1976-11-04 Adaptive level control for electro-acousto device
JP51133109A JPS5278347A (en) 1975-11-06 1976-11-05 Circuit for electroacoustic device
DE19762650674 DE2650674A1 (de) 1975-11-06 1976-11-05 Schaltungsanordnung fuer ein elektroakustisches geraet
IT09649/76A IT1078582B (it) 1975-11-06 1976-11-05 Disposizione di connessione per un apparecchio elettroacustico quale un apparecchio per pellicola sonora un registratore magnetico a nastro ed altro

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1447175A CH589973A5 (da) 1975-11-06 1975-11-06

Publications (1)

Publication Number Publication Date
CH589973A5 true CH589973A5 (da) 1977-07-29

Family

ID=4401122

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1447175A CH589973A5 (da) 1975-11-06 1975-11-06

Country Status (6)

Country Link
US (1) US4079335A (da)
JP (1) JPS5278347A (da)
AT (1) AT350391B (da)
CH (1) CH589973A5 (da)
DE (1) DE2650674A1 (da)
IT (1) IT1078582B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522451B1 (fr) * 1982-03-01 1988-10-14 Audibel Perfectionnement au circuit de controle automatique de gain d'un systeme d'amplification a transistors et appareil de correction auditive equipe d'un tel circuit
WO1988001453A1 (en) * 1986-08-13 1988-02-25 Aranda Applied Research & Tech Adaptive gain control amplifier
JP4057212B2 (ja) * 2000-02-15 2008-03-05 三菱電機株式会社 マイクロフォン装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52661B2 (da) * 1972-01-11 1977-01-10
JPS5715486B2 (da) * 1974-04-30 1982-03-31

Also Published As

Publication number Publication date
JPS5278347A (en) 1977-07-01
AT350391B (de) 1979-05-25
US4079335A (en) 1978-03-14
DE2650674A1 (de) 1977-05-12
IT1078582B (it) 1985-05-08
ATA98476A (de) 1978-10-15

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Legal Events

Date Code Title Description
PL Patent ceased