METHOD OF CLOSING A RELAY SWITCH AND APPARTUS THEREOF

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United States of America Patent

APP PUB NO 20140268474A1
SERIAL NO

13800787

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A load control device for controlling an amount of power delivered from an alternating current (AC) power source to an electrical load includes a relay operable to be coupled in series electrical connection between the AC power source and the electrical load. The relay has one or more relay contacts. The load control device includes a zero-cross detector operable to detect zero crosses of the alternating current and to generate zero cross signals, and a controller operatively coupled to a control input of the relay and the zero-cross detector for rendering the controllably conductive device conductive and non-conductive. The controller determines a relay actuation adjustment such that the contact reliably completes bouncing just prior to a zero cross and may initiate an actuation of the relay based on the actuation adjustment and the zero cross signal.

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Patent Owner(s)

Patent OwnerAddress
LUTRON TECHNOLOGY COMPANY LLC7200 SUTER ROAD COOPERSBURG PA 18036

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bedell, Ryan S West Palm Beach, US 12 192
Steiner, James P Royersford, US 85 2274

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