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.)
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Seiko Koki KK
Original Assignee
Seiko Koki KK
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Filing date
Publication date
Application filed by Seiko Koki KKfiledCriticalSeiko Koki KK
Publication of FR2262320A1publicationCriticalpatent/FR2262320A1/fr
Application grantedgrantedCritical
Publication of FR2262320B1publicationCriticalpatent/FR2262320B1/fr
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
G03B7/091—Digital circuits
G03B7/093—Digital circuits for control of exposure time
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Shutter-Related Mechanisms
(AREA)
Exposure Control For Cameras
(AREA)
Indication In Cameras, And Counting Of Exposures
(AREA)