Message delivery system operable in an override mode upon reception of a command signal
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United States of America Patent
Stats
-
Dec 12, 1989
Grant Date -
N/A
app pub date -
Jan 26, 1988
filing date -
Jan 30, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An information transmission system for transmitting signals from a transmitting side through a single transmission line to a plurality of terminal units. When the terminal units are interrupted by a command signal from the transmitting side, transmission of ordinary information signals to the terminal units is inhibited. When the terminal units are released from the interrupt mode, transmission of ordinary information signals automatically resumes, so that the ordinary information signals are reproduced from the point in time point at which they were interrupted. Normal operation of the terminal units is partially or totally inhibited during the interrupt mode. The system may be embodied in a passenger vehicle, in which a terminal unit is provided at each of a plurality of passenger seats.
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