FR1394472A - Appareil de prise de vues photographique ou cinématographique à dispositif de mesure et de réglage photoélectrique du temps de pose
- Google Patents
Appareil de prise de vues photographique ou cinématographique à dispositif de mesure et de réglage photoélectrique du temps de pose
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.)
Pentacon GmbH Foto und Feinwerktechnik
Original Assignee
Pentacon Dresden VEB
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Publication date
Application filed by Pentacon Dresden VEBfiledCriticalPentacon Dresden VEB
Priority to FR972686ApriorityCriticalpatent/FR1394472A/fr
Application grantedgrantedCritical
Publication of FR1394472ApublicationCriticalpatent/FR1394472A/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
G03B7/081—Analogue circuits
G03B7/083—Analogue circuits for control of exposure time
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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR972686A1964-04-281964-04-28Appareil de prise de vues photographique ou cinématographique à dispositif de mesure et de réglage photoélectrique du temps de pose
ExpiredFR1394472A
(fr)
Perfectionnements à un dispositif pour régler automatiquement le pose-mètre incorporé d'un appareil photographique en fonction de la sensibilité du film