Stereoscopic viewer - booklet device

Details Stereoscopic viewer - booklet device Stereoscopic viewer - booklet device

1979-06-11

1981-03-17

Henry, Jon W.

350143, G02B 2722

Patent

active

042563674

ABSTRACT:
A stereoscopic viewer and booklet device for presenting information in two complimenting media, i.e., stereograms accompanied by a booklet containing relevant and interesting information pertaining thereto. The viewer utilizes a split 35mm film having pairs of stereoscopic spaced (corresponding picture) frames. Sprocket holes are provided at regular intervals along the film. The viewer includes a film guide channel having a film take-up archway, adapted to accommodate the film spacing between paired frames to thereby effect alignment of the paired frames with respective lenses of the stereoscope. A centrally disposed thumbwheel is manually actuated to rotate a sprocket wheel for advancing and rewinding the film laterally through the stereoscopic viewer. The sprocket wheel cooperates with the film take-up archway to provide multiple sprocket teeth engagement with the sprocket holes.

REFERENCES:
patent: 2139782 (1938-12-01), Van Albada
patent: 3473870 (1969-10-01), Platt
patent: 4142778 (1979-03-01), Lasky et al.
patent: 4146303 (1979-03-01), Baba

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