FR988918A -
Cinematographic projection apparatus with continuous film unwinding with a device enabling the projection of one or more film formats on the same apparatus
- Google Patents
Cinematographic projection apparatus with continuous film unwinding with a device enabling the projection of one or more film formats on the same apparatus
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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
G03B41/04—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator
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FR988918D1944-01-311944-01-31
Cinematographic projection apparatus with continuous film unwinding with a device enabling the projection of one or more film formats on the same apparatus
ExpiredFR988918A
(en)
Cinematographic projection apparatus with continuous film unwinding with a device enabling the projection of one or more film formats on the same apparatus
Cinematographic projection apparatus with continuous film unwinding with a device enabling the projection of one or more film formats on the same apparatus
Optical and mechanical devices applicable to cinematographic projection apparatus with continuous film unwinding and allowing the projection of one or more film formats on the same apparatus
Optical and mechanical devices applicable to cinematographic projection apparatus with continuous film unwinding and allowing the projection of one or more film formats on the same apparatus