Projector for photographic transparencies

Details Projector for photographic transparencies Projector for photographic transparencies

G - Physics

03

B

88/88

G03B 23/12 (2006.01)

Patent

CA 1299403

ABSTRACT "Projector for Photographic Transparencies" In a projector for use with photographic transparencies and comprising a light a light source (16), an objective lens (42) and a rotatable feed device (2, 3) for positioning a succession of framed transparencies between the light source and the lens for projection onto a screen, the light source and the lens are mounted independently of each other and operatively connected to a common driving motor (26) for moving the light source and lens longitudinally in unison relative to the feed device and the lens housing (41) is also movable about a vertical axis, in response to each operation of the driving motor, by an amount sufficient to maintain uniformity, with regard to form and position, of the images successively projected onto the screen.

471045

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