Vernier carriage control

Details Vernier carriage control Vernier carriage control

1975-04-23

1976-03-02

Aegerter, Richard E.

Optics: image projectors

Selective data retrieval

Plural picture rows on single microcard

G03B 2308

Patent

active

039414663

ABSTRACT:
The disclosure relates to an ultrafiche carriage assembly for use in an ultrafiche apparatus of the type which projects a magnified image of a selected one of a plurality of film frames on an ultrafiche onto a reference surface. Such ultrafiche readers include a light system and projection system and the present invention herein disclosed provides a carriage assembly allowing vernier control of the position of the film frames between the light and projection systems so that a particular film frame of a known location on the ultrafiche may be selected.

REFERENCES:
patent: 2260551 (1941-10-01), Boni
patent: 2469129 (1949-05-01), Reimann
patent: 3072013 (1963-01-01), Pratt
patent: 3413061 (1968-11-01), Simpson
patent: 3781102 (1973-12-01), Chandler

Affiliated with

Also associated with

Rating

Vernier carriage control does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1274944