Vertically scanning microfilm reader and reader printer

Details Vertically scanning microfilm reader and reader printer Vertically scanning microfilm reader and reader printer

1977-09-23

1978-10-31

Stephan, Steven L.

Optics: image projectors

Selective data retrieval

Film strip

353 96, 353101, G03B 2312, G03B 148, G03B 2114

Patent

active

041236998

ABSTRACT:
The inventive microfilm reader and reader-printer has a film gate which is anchored to the chassis of the reader or reader-printer and which is entirely separate from a light system, lens mount, and focusing system which float up and down with respect to the film gate and chassis. The floating system is mounted on an elevator mechanism which lifts or lowers it relative to the film gate to scan across the width of the film. A prism is included in the lens system to rotate and vertically align the projected image. A combination of the movements of the elevator mechanism and prism enables any vertical segment of the microfilm to be scanned, selected, and read in a vertical orientation.

REFERENCES:
patent: 2130562 (1938-09-01), Pratt
patent: 3241440 (1966-03-01), Kugler
patent: 3809468 (1974-05-01), Moritz

Affiliated with

Also associated with

Rating

Vertically scanning microfilm reader and reader printer does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1836961