Device for mounting diapositives in a strip and an apparatus for

Details Device for mounting diapositives in a strip and an apparatus for Device for mounting diapositives in a strip and an apparatus for

1982-09-13

1984-02-14

Stephan, Steven L.

Optics: image projectors

Picture carrier

40364, 226 92, 242194, 353 21, 353108, 353DIG2, G03B 2100, G03B 156, G02B 2702

Patent

active

044312822

ABSTRACT:
Diapositives are mounted in a strip formed by a pair of flexible sheet members each having at least two picture openings therein in side-by-side relationship and the sheet members are fastened to each other in face-to-face relationship mutually offset by a single picture opening. The frame is interposed between the sheet members and a diapositive is moveably positioned within an opening in the frame. The thickness of the frame is greater than that of the diapositive so that a diapositive is freely moveable within a frame opening and has play between the sheet members. An apparatus for projecting the strip mounted diapositives is provided with a pair of cassettes one of which contains a strip in which the diapositives are mounted and the second cassette contains a strip without any diapositives. The ends of the strips are automatically connected to each other for successively introducing the diapositives into the apparatus.

REFERENCES:
patent: 2269713 (1942-01-01), Erwin
patent: 2563893 (1951-08-01), Waller et al.
patent: 3042331 (1962-07-01), Bierman
patent: 3190575 (1965-06-01), Hayner et al.
patent: 3539131 (1970-11-01), Priest
patent: 3591275 (1971-07-01), Badalich
patent: 3870412 (1975-03-01), Den Bleyker
patent: 4140383 (1979-02-01), Schmidt

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