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DAVID C SHOBERG
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DAVID C SHOBERG
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Application filed by DAVID C SHOBERGfiledCriticalDAVID C SHOBERG
Application grantedgrantedCritical
Publication of FR419499ApublicationCriticalpatent/FR419499A/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
G03B15/00—Special procedures for taking photographs; Apparatus therefor
G03B15/02—Illuminating scene
G03B15/03—Combinations of cameras with lighting apparatus; Flash units
G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
G03B15/0452—Electrical ignition means connected to the shutter
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR419499D1910-06-131910-06-13Perfectionnements apportés aux appareils photographiques à éclairs de magnésium ou autres
ExpiredFR419499A
(fr)