Remote load selector circuit and method
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United States of America Patent
Stats
-
Feb 7, 1984
Grant Date -
N/A
app pub date -
Nov 5, 1981
filing date -
Nov 5, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and circuit for controlling the selection of remote electrical loads. An illustrated embodiment of the remote load selector circuit is depicted in conjunction with an electric ceiling fan and is utilized to select rotation direction, light operation and one of several motor speeds. A remote sending unit is utilized to couple a selected fraction of the line supply voltage to the control unit. The selected fractional line supply voltage is then rectified, filtered and applied to a plurality of individually biased sensing units. Each sensing unit is utilized to select a different load condition and the output of each sensing unit is also utilized to disable the preceding sensing unit so that only the sensing unit with the highest bias will generate an output. A relay, multivibrator or other switching means is coupled to the output of each sensing unit and is utilized to select a desired load condition.
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