CH378152A - Einrichtung zur automatischen Belichtungseinstellung an photographischen Kameras - Google Patents

Einrichtung zur automatischen Belichtungseinstellung an photographischen Kameras

Info

Publication number
CH378152A
CH378152A CH7961759A CH7961759A CH378152A CH 378152 A CH378152 A CH 378152A CH 7961759 A CH7961759 A CH 7961759A CH 7961759 A CH7961759 A CH 7961759A CH 378152 A CH378152 A CH 378152A
Authority
CH
Switzerland
Prior art keywords
automatic exposure
exposure adjustment
photographic cameras
photographic
cameras
Prior art date
Application number
CH7961759A
Other languages
English (en)
Inventor
Arnold Bakke Hans
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of CH378152A publication Critical patent/CH378152A/de

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
    • G03B7/12—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 a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter
    • 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)
CH7961759A 1958-10-20 1959-10-19 Einrichtung zur automatischen Belichtungseinstellung an photographischen Kameras CH378152A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US768454A US3302545A (en) 1958-10-20 1958-10-20 Automatic exposure control for camera

Publications (1)

Publication Number Publication Date
CH378152A true CH378152A (de) 1964-05-31

Family

ID=25082550

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7961759A CH378152A (de) 1958-10-20 1959-10-19 Einrichtung zur automatischen Belichtungseinstellung an photographischen Kameras

Country Status (3)

Country Link
US (1) US3302545A (de)
CH (1) CH378152A (de)
GB (1) GB933425A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1914449U (de) * 1964-12-17 1965-04-22 Agfa Gevaert Ag Fotografische kamera mit einer belichtungssteuervorrichtung.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US24356A (en) * 1859-06-07 Felix miller and alois wiesching
US433745A (en) * 1890-08-05 schneider
US2185847A (en) * 1936-04-13 1940-01-02 Dunningcolor Corp Photographic apparatus and method
CH216966A (de) * 1939-04-28 1941-09-30 Zeiss Ikon Ag Kamera mit durch die Stromschwankungen einer Photozelle bewegter Objektivblende.
DE842887C (de) * 1949-10-22 1952-11-20 Erich Burger Selbsttaetiger Blendenregler fuer photographische Aufnahme- und Wiedergabegeraete
US2838985A (en) * 1952-08-11 1958-06-17 Burger Michael Automatic exposure regulator for photographic apparatus
US2841064A (en) * 1957-08-13 1958-07-01 Bell & Howell Co Exposure control for photographic cameras

Also Published As

Publication number Publication date
GB933425A (en) 1963-08-08
US3302545A (en) 1967-02-07

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