Hewlett-Packard Development Company, L.p.

Ron Juve

Robert Ray

Roger N Switzer

Nikholas Hubbard

Robert Niemand

A system of an embodiment of the invention is disclosed that includes an interconnect, an electronic device, and a power supply. The interconnect is to carry direct current (DC). The electronic device is connectable to the interconnect to receive DC, and has a communication circuit to transmit signals over the interconnect. The power supply is connectable to the interconnect to provide the DC to the electronic device, and has a decoder circuit to decode the signals received over the interconnect from the electronic device.

Transmitting signals over interconnect carrying direct current from power supply to electronic device

A mechanism of one embodiment of the invention is disclosed that disconnects an electronic device from a power source includes a user-actuable switch, an electronically controllable switch, and a feedback mechanism. The electronically controllable switch couples the power source to the electronic device. The feedback mechanism turns on and off the electronically controllable switch in response to actuation of the user-actuable switch.

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Brush Prairie, WA, United States of America

Ron Juve