Appliance control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 29, 1980
Grant Date -
N/A
app pub date -
Dec 28, 1977
filing date -
Jan 7, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
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