Picture communication apparatus
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United States of America Patent
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-
Dec 17, 1991
Grant Date -
N/A
app pub date -
Jan 12, 1990
filing date -
Jan 20, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a two-way communication system having first and second communication terminals, a telephone apparatus at each terminal for two-way telephone service and a picture communication apparatus at each terminal for providing users with visual images of each other; the picture communication apparatus includes video cameras for generating video signals to be transmitted, display apparatus for displaying the visual images, a control apparatus for controlling transmission and reception of the video signals, and a line drawing input apparatus connected to the control apparatus for generating a line signal representing the line drawing and which is transmitted with the video signals from the control apparatus.
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