Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1992-03-06
1993-12-14
Williams, Howard L.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
361187, 361186, 307 38, 307125, H01H 4700
Patent
active
052705765
ABSTRACT:
The invention provides an electrical connector network for coordinately controlling multiple electrical appliances connected to the network. The network comprises a control outlet connected to an electrical power inlet, at least one slave outlet, and means responsive to current flow to the control outlet for selectively connecting the slave outlets to the power inlet, whereby power is available at the slave outlets only when current flows through the control outlet. In a preferred embodiment, the invention includes a current transformer for sensing current to the control outlet, the transformer producing a secondary current which is conditioned by an amplifier to drive a power triac, actuating a relay controlling power to the slave outlets. The connector network may be embodied in various structures, including extension cords, power strips, wall outlets or electrical appliances.
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Delux Power Center Owner's Manual, Jan. 1987, 802-0214, Printer in U.S.A., .COPYRGT.1986 Tandy Corporation.
Compulog Corporation
Krishnan Aditya
Williams Howard L.
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