Data transmission system employing wire and wireless transmission paths
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United States of America Patent
Stats
-
Apr 17, 1984
Grant Date -
N/A
app pub date -
Sep 21, 1981
filing date -
Sep 24, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A data transmission system using an alternating mains supply for a signal transmission path including a movable module having a data input device, a first transmitter coupled to the data input device for transmitting a first wireless transmission of data fed into the input device, a first receiver for receiving a second wireless transmission of data and an output device coupled to the first receiver for putting out data corresponding to the received second wireless transmission. The system additionally includes a fixed module arranged to be connected to the mains supply and including a second receiver for receiving the first wireless transmissions, a line driver coupled to the second receiver for feeding signals into the mains supply corresponding to the data received by the second receiver, a signal receiver for receiving signals from the mains supply and a second transmitter coupled to the signal receiver for transmitting the second wireless transmission of data corresponding to the data received by the signal receiver.
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