Appliance control

Details Appliance control Appliance control

1977-12-28

1980-04-29

Caldwell, Sr., John W.

Communications: electrical

Systems

Selsyn type

307 3, 340695, 340310CP, H04B 354

Patent

active

042008620

ABSTRACT:
An applicance control system comprises a data transmitter and plurality of slave units plugged into outlet sockets of a power main of a building, appliances being coupled to the slave units. The transmitter housing includes a data input arrangement by which slave unit addresses and operation signal can be input and means for producing therefrom digital address and operation signals injected onto the main for receipt by the slave units. Each slave unit is enabled by a digital signal complying its address to effect an appliance operation as defined by a received digital operation signal.

REFERENCES:
patent: 3558902 (1971-01-01), Casey
patent: 3689886 (1972-09-01), Durkee
patent: 3964047 (1976-06-01), Antonaccio
patent: 4024528 (1977-05-01), Boggs et al.

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