Personal video viewing device
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United States of America Patent
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-
Feb 21, 1989
Grant Date -
N/A
app pub date -
Jul 24, 1987
filing date -
Jul 24, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A personal video viewing device is provided which allows the simultaneous viewing of a stereoscopic external image as well as a monoscopic electronic image. This is accomplished using two optical systems which share particular components. The relative intensity of both images may be adjusted using a three-iris system where each iris may be a mechanical diaphragm, an electronically controlled liquid crystal device, or a pair of polarized discs whose relative rotational orientation controls the transmissivity of the disc pair.
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Family
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Cited Art Landscape
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