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Tobis Tonbild Syndikat GmbH
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Tobis Tonbild Syndikat GmbH
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Publication date
Application filed by Tobis Tonbild Syndikat GmbHfiledCriticalTobis Tonbild Syndikat GmbH
Application grantedgrantedCritical
Publication of FR872295ApublicationCriticalpatent/FR872295A/en
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
G03B41/00—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor
G03B41/02—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR872295D1940-06-071941-05-20
Lighting device for cinematographic projectors with optical compensation
ExpiredFR872295A
(en)