Device for storing and handling slides

Details Device for storing and handling slides Device for storing and handling slides

1987-03-06

1988-05-24

Haroian, Harry N.

Optics: image projectors

Selective data retrieval

353103, 353118, G03B 2308

Patent

active

047462094

ABSTRACT:
The invention relates to a device for storing and handling slides for their selective projection. The device comprises at least one storage rack (6) for slides, and means for displacing (18, 27) the racks under the control of a data processing machine (3), so that any selected slide (31) may appear in front of an extraction window (7). According to the invention, a plurality of circular storing racks (6) are stacked according to a common vertical axis, and the means for displacing the unit of racks comprise a reversible motor (27) permitting a vertical displacement of the unit of racks, and a motor (18) permitting a rotation of the unit of racks about the axis of said shaft. The data processing machine controls the extraction and the reinsertion of a slide in accordance with a memorized sequence selected previously by the user and with the instantaneous position of the unit of racks.

REFERENCES:
patent: 1215975 (1917-02-01), Palmer
patent: 4273427 (1981-06-01), Bailey
patent: 4353642 (1982-10-01), Weigert
patent: 4487487 (1984-12-01), Burbank, III
patent: 4568161 (1986-02-01), DiGianfilippo et al.

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