H - Electricity – 04 – B
Patent
H - Electricity
04
B
340/79
H04B 3/54 (2006.01)
Patent
CA 1226050
ABSTRACT A transmitter, for electrical appliance control by transmitting digital control signals on a power main, comprises two releasably connected parts, a first part comprising m actuators to initiate the generation of m control signals, and the second part containing generating means for the control signals, and a selector for selec- ting m out of n control signals. The selector is hidden by the first part when the parts are joined together and may be adjusted to select different groups of m control signals from the n possible signals. All n control sign- nals can be produced, in groups of upto m signals for each condition of the selector. Means are also provided to monitor the main to achieve transmitter queueing dep- endent upon the selector settings at the transmitters.
486904
Pico Electronics Limited
Sim & Mcburney
LandOfFree
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