Methods and apparatus for improved relay control

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United States of America Patent

PATENT NO 9754745
APP PUB NO 20120106021A1
SERIAL NO

12917087

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Methods and apparatus provide for: at least one electromechanical relay including a coil and at least one pair of contacts, the contacts transitioning between a de-energized state and an energized state in response to current through the coil; a microcontroller having at least one tri-state output operating to produce ON, OFF, and FLOAT states; and a driver circuit operating, in conjunction with the tri-state output of the microcontroller, to control the current through the coil of the relay such that: (i) a transition of the tri-state output from OFF to FLOAT maintains the contacts of the relay in their de-energized state through the transition, and (ii) a transition of the tri-state output from ON to FLOAT maintains the contacts of the relay in their energized state through the transition.

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Patent Owner(s)

Patent OwnerAddress
RARITAN AMERICAS INC400 COTTONTAIL LANE SOMERSET NJ 08873

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Suchoff, Michael Chapel Hill, US 14 48

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