FR1602264A - - Google Patents

Info

Publication number
FR1602264A
FR1602264A FR1602264DA FR1602264A FR 1602264 A FR1602264 A FR 1602264A FR 1602264D A FR1602264D A FR 1602264DA FR 1602264 A FR1602264 A FR 1602264A
Authority
FR
France
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.)
Expired
Application number
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1602264A publication Critical patent/FR1602264A/fr
Expired legal-status Critical Current

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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
FR1602264D 1965-11-06 1966-08-12 Expired FR1602264A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP6817265 1965-11-06
JP3412866 1966-05-27
JP6634066 1966-07-13
JP6667166 1966-07-14

Publications (1)

Publication Number Publication Date
FR1602264A true FR1602264A (en) 1970-11-02

Family

ID=27459896

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1602264D Expired FR1602264A (en) 1965-11-06 1966-08-12

Country Status (4)

Country Link
CH (1) CH461262A (en)
DE (1) DE1538625B2 (en)
FR (1) FR1602264A (en)
GB (1) GB1143739A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890550A (en) * 1971-05-28 1975-06-17 Canon Kk Differential amplifier circuit for servo system
JPS5919471A (en) * 1982-07-24 1984-01-31 Asahi Optical Co Ltd Iris control circuit of video camera

Also Published As

Publication number Publication date
CH461262A (en) 1968-08-15
DE1538625B2 (en) 1971-11-04
GB1143739A (en) 1969-02-26
DE1538625A1 (en) 1970-07-30

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Legal Events

Date Code Title Description
ST Notification of lapse