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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C Reichert Optische Werke AG
Original Assignee
C Reichert Optische Werke AG
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Filing date
Publication date
Application filed by C Reichert Optische Werke AGfiledCriticalC Reichert Optische Werke AG
Application grantedgrantedCritical
Publication of FR1149435ApublicationCriticalpatent/FR1149435A/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
G03B21/00—Projectors or projection-type viewers; Accessories therefor
G03B21/14—Details
G03B21/20—Lamp housings
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Chemical & Material Sciences
(AREA)
Analytical Chemistry
(AREA)
Optics & Photonics
(AREA)
FR1149435D1955-05-161956-05-14Dispositif d'éclairage pour appareils optiques
ExpiredFR1149435A
(fr)