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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOUNAN MARTINE
Original Assignee
BOUNAN MARTINE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BOUNAN MARTINEfiledCriticalBOUNAN MARTINE
Priority to FR7531220ApriorityCriticalpatent/FR2328216A1/fr
Publication of FR2328216A1publicationCriticalpatent/FR2328216A1/fr
Application grantedgrantedCritical
Publication of FR2328216B1publicationCriticalpatent/FR2328216B1/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
G03B21/001—Slide projectors
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Projection Apparatus
(AREA)
Overhead Projectors And Projection Screens
(AREA)
Stereoscopic And Panoramic Photography
(AREA)
FR7531220A1975-10-131975-10-13Systeme de projection enveloppante
GrantedFR2328216A1
(fr)