Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 30, 2021
Patent Application Number
15836974
Date Filed
December 11, 2017
Patent Primary Examiner
Patent abstract
A battery controller used in an electronic device supplied with electric power from a battery pack including a rechargeable battery includes a battery monitor for monitoring remaining battery charge in the rechargeable battery, and a power supply controller. The battery monitor issues an alarm when the remaining battery charge lowers to a threshold or below, and, after that, shuts down upon receiving a shut-down command from the power supply controller. The power supply controller sends the shut-down command to the battery monitor upon receiving the alarm from the battery monitor and determining that the remaining battery charge is equal to or below the threshold.
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