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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co LtdfiledCriticalOlympus Optical Co Ltd
Priority to JP6507081ApriorityCriticalpatent/JPS57179827A/ja
Publication of JPS57179827ApublicationCriticalpatent/JPS57179827A/ja
Publication of JPH0381137B2publicationCriticalpatent/JPH0381137B2/ja
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)
Exposure Control For Cameras
(AREA)
JP6507081A1981-04-281981-04-28Automatic exposure controlling camera
GrantedJPS57179827A
(en)