Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 10, 2019
Patent Application Number
15594997
Date Filed
May 15, 2017
Patent Citations
Patent Primary Examiner
Patent abstract
A method of displaying a battery life for a warming cart battery is provided. The method includes the steps of detecting with a processor that a warming cart battery voltage is out of range of a predetermined threshold, determining with a processor an operation state of each of a plurality of periphery warming cart devices, and automatically setting a battery scale of a warming cart battery based on which of the plurality of periphery warming cart devices are in an active operation state.
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