Circuit, system and/or method for detecting an electrical connection between an electrical device and a power supply

Circuit, system and/or method for detecting an electrical connection between an electrical device and a power supply

A circuit, a system and/or a method detect a passive electrical connection and/or an active electrical connection between an electrical device and a power supply. An integrity of the electrical connection between the electrical device and the power supply is monitored to determine if the electrical...

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Hauptverfasser: TY TRY, BERLAND KERRY, MARSZALEK CHRISTOPHER, GROTH JIM, KMIECIK MARK, HORVATH DANIEL
Format: Patent
Sprache:eng
Schlagworte:
ALARM SYSTEMS
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TESTING
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creator TY TRY
BERLAND KERRY
MARSZALEK CHRISTOPHER
GROTH JIM
KMIECIK MARK
HORVATH DANIEL
description A circuit, a system and/or a method detect a passive electrical connection and/or an active electrical connection between an electrical device and a power supply. An integrity of the electrical connection between the electrical device and the power supply is monitored to determine if the electrical device may have access to power and/or to determine if the electrical device may be secure while on display. A high frequency AC signal is modulated onto a positive power rail between the electrical device and the power supply. Capacitance circuitry of the electrical device may remove the high frequency signal from the positive power rail. An absence of the high frequency signal on the positive power rail indicates that the electrical connection exists between the electrical device and the power supply. A presence of the high frequency signal on the positive power rail indicates that the electrical connection does not exist between the electrical device and the power supply.
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subjects ALARM SYSTEMS
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TESTING
title Circuit, system and/or method for detecting an electrical connection between an electrical device and a power supply
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