Module for controlling current to a load including sensing of th

Details Module for controlling current to a load including sensing of th Module for controlling current to a load including sensing of th

1997-04-28

1999-08-24

Gaffin, Jeffrey

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307140, 34031001, H01H 4700, H04M 1104

Patent

active

059428147

ABSTRACT:
A module for interconnecting an AC power line to a load such as a lamp, which includes a first switch. The module detects the state of the first switch and then provides power to the load when the switch is closed. Sequentially opening and closing the first switch can be used as a command to dim the lamp. The module may also include a transceiver which communicates the state of the switch to the other modules thereby allowing a plurality of devices to be controlled by the first switch.

REFERENCES:
patent: 4418333 (1983-11-01), Schwarzbach et al.
patent: 4471232 (1984-09-01), Peddie et al.
patent: 4782420 (1988-11-01), Holdgaard-Jensen
patent: 4918690 (1990-04-01), Markkula et al.
patent: 5471190 (1995-11-01), Zimmerman
"PLT-21 Power Line Transceiver User's Guide", Version 2, Echelon Corporation, 1996.

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