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
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Zeiss Ikon AG
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Publication date
Application filed by Zeiss Ikon AGfiledCriticalZeiss Ikon AG
Application grantedgrantedCritical
Publication of FR787986ApublicationCriticalpatent/FR787986A/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
G03B7/04—Control effected by hand adjustment of a member that senses indication of a pointer of a built- in light-sensitive device, e.g. by restoring point to a fixed associated reference mark
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR787986D1934-04-211935-03-28Appareil photographique à chambre de visée disposée au-dessus de la chambre noireet à photomètre photoélectrique
ExpiredFR787986A
(fr)