Battery management system
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United States of America Patent
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Jan 2, 2018
Issued Date -
N/A
app pub date -
Nov 17, 2014
filing date -
Dec 13, 2010
priority date (Note) -
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Abstract
A battery management method for one or more batteries in a healthcare delivery system is provided. The method includes determining when the healthcare delivery system is drawing power from the one or more batteries and controlling a display unit coupled to the controller to display an initial number corresponding to a time remaining on battery (TROB) when the healthcare delivery system is drawing power from the one or more batteries. The method also includes determining if the TROB is within a reserve range extending up to a reserve range maximum that is less than a maximum TROB, changing the TROB according to an operational state of the healthcare delivery system if the TROB is greater than the reserve range maximum, and decreasing the TROB to count down the TROB without regard for the operational state of the healthcare delivery system if the TROB is less than the reserve range maximum.
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