Patent · US Expired

Film cartridge projection device

US5363156A · kind A · utility

8Cited by
9References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 1993
Grant dateNov 8, 1994
Priority date
Expiry dateDec 22, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S353/02
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A projector having illumination and optical devices for projecting one or more images having a rotating magazine having a plurality of pockets disposed about its periphery for holding multiple slide film cartridges. The pockets loosely retain and orient the cartridges within the magazine in a manner such that a film strip contained therein can be advanced across a film gate between the illumination and optical devices once the magazine has rotated the pocket containing the cartridge to a projecting station.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.