AT269634B - Photographic camera with an exposure control device - Google Patents

Photographic camera with an exposure control device

Info

Publication number
AT269634B
AT269634B AT380867A AT380867A AT269634B AT 269634 B AT269634 B AT 269634B AT 380867 A AT380867 A AT 380867A AT 380867 A AT380867 A AT 380867A AT 269634 B AT269634 B AT 269634B
Authority
AT
Austria
Prior art keywords
control device
exposure control
photographic camera
photographic
camera
Prior art date
Application number
AT380867A
Other languages
German (de)
Original Assignee
Agfa Gevaert Ag
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 Agfa Gevaert Ag filed Critical Agfa Gevaert Ag
Application granted granted Critical
Publication of AT269634B publication Critical patent/AT269634B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Exposure Control For Cameras (AREA)
AT380867A 1966-08-31 1967-04-21 Photographic camera with an exposure control device AT269634B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA0053381 1966-08-31

Publications (1)

Publication Number Publication Date
AT269634B true AT269634B (en) 1969-03-25

Family

ID=6938947

Family Applications (1)

Application Number Title Priority Date Filing Date
AT380867A AT269634B (en) 1966-08-31 1967-04-21 Photographic camera with an exposure control device

Country Status (4)

Country Link
US (1) US3500737A (en)
AT (1) AT269634B (en)
DE (1) DE1497912A1 (en)
GB (1) GB1190989A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3670639A (en) * 1968-12-16 1972-06-20 Gen Electric Flexible electronic integrated circuit camera control assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3000280A (en) * 1955-11-09 1961-09-19 Voigtlaender Ag Photographic camera with automatic adjustment of exposure conditions
US2964655A (en) * 1958-06-04 1960-12-13 Bell Telephone Labor Inc Transistor trigger circuit stabilization
DE1179106B (en) * 1963-06-01 1964-10-01 Agfa Ag Cinematographic camera with an aperture control device
DE1189376B (en) * 1963-09-20 1965-03-18 Agfa Ag Cinematographic camera with an automatic iris control device
US3383566A (en) * 1964-12-02 1968-05-14 Bell & Howell Co Diode control of voltage in an exposure control circuit
US3394642A (en) * 1965-06-01 1968-07-30 Elmo Co Ltd Electrical circuit for automatically controlling an aperture device for a photographic camera

Also Published As

Publication number Publication date
DE1497912A1 (en) 1969-03-27
GB1190989A (en) 1970-05-06
US3500737A (en) 1970-03-17

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