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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Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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Filing date
Publication date
Application filed by Zeiss Ikon AGfiledCriticalZeiss Ikon AG
Application grantedgrantedCritical
Publication of FR805252ApublicationCriticalpatent/FR805252A/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
G03B17/00—Details of cameras or camera bodies; Accessories therefor
G03B17/18—Signals indicating condition of a camera member or suitability of light
G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR805252D1935-06-151936-04-23Appareil photographique pour films en rouleaux avec posemètre photoélectrique monté dans l'appareil
ExpiredFR805252A
(fr)