×

Battery charging apparatus which determines a time to completion of charging

  • US 5,926,007 A
  • Filed: 12/15/1997
  • Issued: 07/20/1999
  • Est. Priority Date: 12/17/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A battery charging apparatus comprising:

  • a memory circuit to pre-store data characterizing a correlation between rechargeable battery charge capacity and time to completion of charging;

    a charge capacity measuring circuit to measure a rechargeable battery charge capacity during charging; and

    a calculating circuit to calculate, during charging, a time to completion of rechargeable battery charging based on the rechargeable battery charge capacity measured by said charge capacity measuring circuit and the correlation data stored in said memory circuit.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×