CH421696A - Caméra à cellule photoélectrique automatique - Google Patents

Caméra à cellule photoélectrique automatique

Info

Publication number
CH421696A
CH421696A CH794565A CH794565A CH421696A CH 421696 A CH421696 A CH 421696A CH 794565 A CH794565 A CH 794565A CH 794565 A CH794565 A CH 794565A CH 421696 A CH421696 A CH 421696A
Authority
CH
Switzerland
Prior art keywords
automatic
camera
photocell camera
automatic photocell
photocell
Prior art date
Application number
CH794565A
Other languages
English (en)
Inventor
Schell Chandler Jasper
Orlo Hoadley Harvey
Original Assignee
Kodak 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 Kodak Sa filed Critical Kodak Sa
Publication of CH421696A publication Critical patent/CH421696A/fr

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
CH794565A 1964-06-05 1965-06-08 Caméra à cellule photoélectrique automatique CH421696A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US373022A US3299789A (en) 1964-06-05 1964-06-05 Automatic exposure control system

Publications (1)

Publication Number Publication Date
CH421696A true CH421696A (fr) 1966-09-30

Family

ID=23470597

Family Applications (1)

Application Number Title Priority Date Filing Date
CH794565A CH421696A (fr) 1964-06-05 1965-06-08 Caméra à cellule photoélectrique automatique

Country Status (5)

Country Link
US (1) US3299789A (fr)
CH (1) CH421696A (fr)
DE (1) DE1472614A1 (fr)
FR (1) FR1435601A (fr)
GB (1) GB1112886A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514191A (en) * 1966-11-10 1970-05-26 Thompson Optical Eng Co Light valve with automatic closure control
US3518926A (en) * 1967-08-01 1970-07-07 Polaroid Corp Photographic exposure control apparatus
GB1198180A (en) * 1967-08-25 1970-07-08 Prontor Werk Gauthier Gmbh A Device for Variably Masking the Photoelectric Cell of a Photographic Apparatus
US3535530A (en) * 1967-12-21 1970-10-20 Texas Instruments Inc Timing module for selectively energizing and deenergizing inductive loads
US3641891A (en) * 1969-06-30 1972-02-15 Polaroid Corp Exposure control system
US3626825A (en) * 1970-05-28 1971-12-14 Texas Instruments Inc Radiation-sensitive camera shutter and aperture control systems
US3641889A (en) * 1970-09-02 1972-02-15 Polaroid Corp Exposure control system
JPS5650499Y2 (fr) * 1972-09-18 1981-11-26
DE2257608A1 (de) * 1972-11-24 1974-05-30 Rollei Werke Franke Heidecke Spiegelreflexkamera
JPS49107534A (fr) * 1973-02-14 1974-10-12
US3858224A (en) * 1973-11-29 1974-12-31 Eastman Kodak Co Exposure control device for a photographic camera

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3082674A (en) * 1958-09-11 1963-03-26 Bell & Howell Co Automatic exposure mechanism with magnetic control of iris blades
US3183808A (en) * 1962-05-01 1965-05-18 Elmo Co Ltd System for automatically controlling diaphragm for photographic camera

Also Published As

Publication number Publication date
GB1112886A (en) 1968-05-08
US3299789A (en) 1967-01-24
DE1472614A1 (de) 1969-04-17
FR1435601A (fr) 1966-04-15

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