Method of controlling an output voltage, output voltage controlling apparatus for performing the method and display apparatus having the output voltage controlling apparatus
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United States of America Patent
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Jun 12, 2018
Issued Date -
Jul 23, 2015
app pub date -
Oct 17, 2014
filing date -
Jan 21, 2014
priority date (Note) -
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Abstract
A method of controlling an output voltage of an apparatus is provided. The method includes comparing an input voltage of the apparatus with a reference voltage, activating the output voltage when the input voltage is greater than or equal to the reference voltage, comparing the input voltage with a first low limit voltage or a first high limit voltage, comparing a first elapse time with a reference time when the input voltage is less than or equal to the first low limit voltage, comparing a second elapse time with the reference time when the input voltage is greater than or equal to the first high limit voltage, and deactivating the output voltage when the first elapse time or the second elapse time is longer than or equal to the reference time.
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