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Method of improving battery recharge efficiency by statistical analysis

  • US 10,103,559 B2
  • Filed: 11/16/2015
  • Issued: 10/16/2018
  • Est. Priority Date: 09/07/2012
  • Status: Active Grant
First Claim
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1. A method for charging a rechargeable battery installed in a battery powered device using a separate battery charging device, said method comprising the steps of:

  • providing a charging signal from the battery charging device to the battery powered device, said charging signal including energy to charge said rechargeable battery during a charging session;

    executing a first control process in the battery charging device for adjusting the charging of the rechargeable battery in the battery powered device, said first control process including the steps of;

    monitoring, in the battery charging device, the charging signal provided by the battery charging device to obtain a first parameter measuring an amount of energy being provided by said battery charging device to charge said rechargeable battery, andadjusting, in the battery charging device, said charging signal based on said first parameter to achieve a desired charging signal; and

    parallel to executing said first control process, executing a second control process in the battery charging device for adjusting the charging of the rechargeable battery in the battery powered device, said second control process being different from the first control process and including the steps of;

    receiving, in the battery charging device from the battery powered device, a second parameter reflecting an amount of energy being received by the battery powered device from the charging signal provided by the battery charging device, andfurther adjusting, in the battery charging device, said charging signal based on a statistical analysis of said second parameter that is performed in the battery charging device;

    wherein the first control process and the second control process are each performed to charge the rechargeable battery.

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