Light pen controlled interactive video system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 29, 1986
Issued Date -
N/A
app pub date -
Dec 5, 1984
filing date -
Aug 17, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for detecting the position of a light responsive pen with respect to a TV display wherein successive frames of a video recording are encoded by placing a lighted area in a different place on each such successive frame. Then, by determining the frame number of the frame appearing when there is a response from the light pen, the position of the pen is identified and an appropriate system response is initiated and controlled.
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Family
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Cited Art Landscape
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