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Filing date
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Application filed by Pentacon Dresden VebfiledCriticalPentacon Dresden Veb
Application grantedgrantedCritical
Publication of AT302024BpublicationCriticalpatent/AT302024B/de
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
G03B9/00—Exposure-making shutters; Diaphragms
G03B9/58—Means for varying duration of "open" period of shutter
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Shutters For Cameras
(AREA)
AT02288/71A1970-07-011971-03-17Einrichtung zur elektronischen belichtungssteuerung bei photographischen kameras
AT302024B
(de)