Process for transferring information and system for carrying out the process
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United States of America Patent
Stats
-
Oct 4, 1983
Grant Date -
N/A
app pub date -
Jul 11, 1980
filing date -
Nov 13, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An arrangement for transferring both power and information on one or more common AC power lines in which a first type of information is transmitted by terminating the current from the power supply in periods which constitute a fraction of a halfwave cycle. The transmission of this first type of information is dependent upon the frequency of the AC power supply. A second type of information is transmitted during the periods in which the current from the power supply is terminated, and the second type of information is transmitted at a higher frequency independent of that of the AC power supply.
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