JPS5317333A - Automatic gain control circuit for simultaneous sound recording cine camera - Google Patents

Automatic gain control circuit for simultaneous sound recording cine camera

Info

Publication number
JPS5317333A
JPS5317333A JP9109776A JP9109776A JPS5317333A JP S5317333 A JPS5317333 A JP S5317333A JP 9109776 A JP9109776 A JP 9109776A JP 9109776 A JP9109776 A JP 9109776A JP S5317333 A JPS5317333 A JP S5317333A
Authority
JP
Japan
Prior art keywords
control circuit
gain control
automatic gain
sound recording
simultaneous sound
Prior art date
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.)
Pending
Application number
JP9109776A
Other languages
English (en)
Japanese (ja)
Inventor
Yutaka Kotani
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP9109776A priority Critical patent/JPS5317333A/ja
Priority to DE19772734402 priority patent/DE2734402A1/de
Priority to US05/820,259 priority patent/US4134079A/en
Priority to FR7723524A priority patent/FR2360101A1/fr
Publication of JPS5317333A publication Critical patent/JPS5317333A/ja
Pending legal-status Critical Current

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
    • H03G3/3005—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
JP9109776A 1976-07-30 1976-07-30 Automatic gain control circuit for simultaneous sound recording cine camera Pending JPS5317333A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9109776A JPS5317333A (en) 1976-07-30 1976-07-30 Automatic gain control circuit for simultaneous sound recording cine camera
DE19772734402 DE2734402A1 (de) 1976-07-30 1977-07-29 Verstaerkungsregelung fuer tonfilmkamera
US05/820,259 US4134079A (en) 1976-07-30 1977-07-29 Automatic gain control circuit for sound motion picture camera
FR7723524A FR2360101A1 (fr) 1976-07-30 1977-07-29 Circuit de commande automatique de gain pour camera sonore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9109776A JPS5317333A (en) 1976-07-30 1976-07-30 Automatic gain control circuit for simultaneous sound recording cine camera

Publications (1)

Publication Number Publication Date
JPS5317333A true JPS5317333A (en) 1978-02-17

Family

ID=14017005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9109776A Pending JPS5317333A (en) 1976-07-30 1976-07-30 Automatic gain control circuit for simultaneous sound recording cine camera

Country Status (4)

Country Link
US (1) US4134079A (enExample)
JP (1) JPS5317333A (enExample)
DE (1) DE2734402A1 (enExample)
FR (1) FR2360101A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723768A (en) * 1980-07-17 1982-02-08 Fuji Electric Co Ltd Defrosting operation control of refrigerating plant
JPS59104809A (ja) * 1982-12-08 1984-06-16 Yokogawa Hokushin Electric Corp 自動利得制御回路
JP2006041733A (ja) * 2004-07-23 2006-02-09 Sanyo Electric Co Ltd 自動レベル調整回路

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258397A (en) * 1978-05-28 1981-03-24 Victor Company Of Japan, Limited Automatic recording level controlling circuit
US4349787A (en) * 1979-02-09 1982-09-14 Novanex Automation N.V. Compressor
ZA805415B (en) * 1979-09-14 1981-08-26 Plessey Overseas Digitally controlled wide range automatic gain control
JPS56134811A (en) * 1980-03-24 1981-10-21 Sony Corp Gain control circuit
DE3027715C2 (de) * 1980-07-19 1986-10-23 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur selbsttätigen Regelung oder Begrenzung der Dynamik von Signalen
US4691307A (en) * 1983-01-20 1987-09-01 Shell Oil Company AGC circuit for televiewer
JPH054334Y2 (enExample) * 1985-07-16 1993-02-03
GB8921903D0 (en) * 1989-09-28 1990-04-25 Orbitel Mobile Communications An amplifier
US5710675A (en) * 1996-05-29 1998-01-20 Western Digital Corporation Analog-to-digital converter for configuration control
US5936470A (en) * 1997-12-10 1999-08-10 Delco Electronics Corporation Audio amplifier having linear gain control
JP4640948B2 (ja) * 2004-06-17 2011-03-02 ローム株式会社 Ａｌｃ付き増幅装置およびそれを用いた電子機器
US7688050B2 (en) * 2006-11-01 2010-03-30 Semiconductor Components Industries, Llc Switching power supply controller with unidirectional transient gain change
CN121261656A (zh) * 2025-12-03 2026-01-02 四川升华电源科技有限公司 负反馈补偿电路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS499897A (enExample) * 1972-05-26 1974-01-28

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52661B2 (enExample) * 1972-01-11 1977-01-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS499897A (enExample) * 1972-05-26 1974-01-28

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723768A (en) * 1980-07-17 1982-02-08 Fuji Electric Co Ltd Defrosting operation control of refrigerating plant
JPS59104809A (ja) * 1982-12-08 1984-06-16 Yokogawa Hokushin Electric Corp 自動利得制御回路
JP2006041733A (ja) * 2004-07-23 2006-02-09 Sanyo Electric Co Ltd 自動レベル調整回路

Also Published As

Publication number Publication date
FR2360101B1 (enExample) 1982-06-18
DE2734402A1 (de) 1978-02-02
US4134079A (en) 1979-01-09
FR2360101A1 (fr) 1978-02-24

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