Slide projectors

Details Slide projectors Slide projectors

1975-01-30

1976-11-09

Aegerter, Richard E.

Optics: image projectors

Slide transfer mechanism

Slides fixed to movable carrier

353101, 40 32, G03B 2308

Patent

active

039907902

ABSTRACT:
The projector for slides comprising a lens system having clips to hold slides; magazine tensioning means; a magazine indexing and slide positioning assembly comprising pivotally movable slide positioning means having an operative position where a slide is held transverse to the projection axis of the lens system and an inoperative position permitting the indexing of the magazine and including shutter means movable in timed relationship with the magazine to prevent projection during the indexing of the magazine; and a lens unit focusing system including relatively movable platforms which are selectively manually and/or power operable and linearly slideable lens unit support means operatively connected to the said platforms.

REFERENCES:
patent: 3729254 (1973-04-01), Frey et al.

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