Viewer simulating television receiver

Details Viewer simulating television receiver Viewer simulating television receiver

1981-06-17

1984-03-20

Swiatek, Robert P.

Card, picture, or sign exhibiting

Photographic transparency viewer, e.g., x-ray viewer

Hand held slide viewer

40502, 40518, 40525, G03B 100

Patent

active

044372485

ABSTRACT:
A toy television receiver has a light-diffusing screen curved about a small light bulb, approximating a punctiform source of radiation, which transluminates a transparent carrier of positive images such as an endless film strip or a string of slides. The carrier can be manually advanced by being mounted on one or two reels or on a drum rotatable with the aid of a knurled wheel, which projects from the housing of the device, or by being juxtaposed with an externally manipulable pressure roller.

REFERENCES:
patent: 1785442 (1930-12-01), Fisher
patent: 1921570 (1933-08-01), Johnson
patent: 2204435 (1940-06-01), Musaphia
patent: 2206865 (1940-07-01), David et al.
patent: 2294444 (1942-09-01), Boroughs
patent: 2477032 (1949-07-01), Asherman
patent: 2502178 (1950-03-01), Skupien
patent: 3174241 (1965-03-01), Rohan
patent: 3310896 (1967-03-01), Ruffner
patent: 3388499 (1968-06-01), Mercorelli
patent: 3801199 (1974-04-01), Kaye
patent: 3900647 (1975-08-01), Scardilli et al.
patent: 4326351 (1982-04-01), Heywood et al.

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