Film viewer

Details Film viewer Film viewer

1995-01-30

1996-05-28

Mathews, A. A.

Optics: image projectors

Plural projection paths with single light source

354212, 354275, 353 26R, 353 26A, 353 98, 353DIG2, 40364, 40367, G03B 2143, G03B 2312

Patent

active

055216625

ABSTRACT:
A film viewer for viewing a film which has been withdrawn from a cartridge. Its main body has a cartridge accommodating portion. In the film viewer, a rotating shaft connected to a spool of the cartridge and a winding shaft which winds the film are driven by manual operation or a motor to convey the film. A window portion is provided at the main body for viewing the conveyed film guided by a film guide made of a flexible material. The film viewer has a distinguishing piece or sensor for distinguishing whether or not the film has been developed.

REFERENCES:
patent: 3104483 (1963-09-01), Thompson et al.
patent: 3522672 (1970-08-01), Hinds
patent: 3844642 (1974-10-01), Peters
patent: 4059351 (1977-11-01), Wisotsky
patent: 4073581 (1978-02-01), Rayburn
patent: 4234244 (1980-11-01), Klein
patent: 4255026 (1981-03-01), Ebener
patent: 5093686 (1992-03-01), Shigaki
patent: 5191371 (1993-03-01), Shigaki
patent: 5424790 (1995-06-01), Tsunefuji

Affiliated with

Also associated with

Rating

Film viewer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Film viewer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Film viewer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-790485