Relay driving device and method for driving a relay
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United States of America Patent
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May 10, 2016
Grant Date -
Feb 20, 2014
app pub date -
Mar 4, 2013
filing date -
Aug 17, 2012
priority date (Note) -
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Abstract
A relay driving device includes first and second power supply modules, a switching circuit, and a control module. The first power supply module outputs a first voltage that has a magnitude sufficient to activate the relay. The second power supply module outputs a second voltage that has a magnitude sufficient to maintain an activated state of the relay. The control module is configured to control the switching circuit to connect the relay to the first power supply module so as to provide the first voltage to the relay for activating the relay, and to subsequently connect the relay to the second power supply module so as to provide the second voltage to the relay for maintaining the activated state of the relay.
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