Optics: image projectors – Picture carrier
Patent
1981-06-04
1983-11-29
Haroian, Harry N.
Optics: image projectors
Picture carrier
353108, G03B 2308
Patent
active
044177925
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: T921013 (1974-04-01), Tucker
patent: 2268529 (1941-12-01), Stiles
patent: 2334176 (1943-11-01), Sherbinin
patent: 2362434 (1944-11-01), Fitch et al.
patent: 3219406 (1965-11-01), Arvis
patent: 3242605 (1966-03-01), Kleinschmidt
patent: 3297398 (1967-01-01), Donofrio
patent: 3369451 (1968-02-01), Brandt et al.
Haroian Harry N.
Jaskiewicz Edmund M.
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