The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 07, 1978
Filed:
Oct. 22, 1975
Kuniyoshi Suzaki, Machida, JA;
Canon Kabushiki Kaisha, Tokyo, JA;
Abstract
A motion picture projection apparatus capable of selective use of two types of films with an open reel assembly and a film cartridge having mounted therein a pressure plate associated with a reflecting mirror. The apparatus is provided with a displaceable member carrying a pressure plate associated with a light reflecting element for use with a film strip fed from the open reel assembly. The displaceable member is arranged in the projection station of the apparatus to be displaced to a projection position where the film of open reel type is in alignment with the optical axis of the projection system and to an idle position where the film of open reel type is out of alignment with the projection system in automatic response to a removal and an insertion, respectively, of the film cartridge from and into the projection position. This is a continuation of application Ser. No. 472,416 filed May 22, 1974, now abandoned.