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Capacity indicating device and method thereof

  • US 20030094321A1
  • Filed: 10/16/2002
  • Published: 05/22/2003
  • Est. Priority Date: 11/21/2001
  • Status: Active Grant
First Claim
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1. A capacity indicating device for a vehicle battery, comprising:

  • a first indicator including a display configured to selectively indicate a first prescribed energy capacity of a first portion of a vehicle battery capacity at full battery capacity and present battery capacity, which varies over time as power is consumed;

    a second indicator configured to indicate when the vehicle battery capacity is discharged below a second prescribed energy capacity representing a second portion of the vehicle battery capacity; and

    an indication control unit configured to control activation of the first indicator based on the present battery capacity, control activation of the second indicator and correct the second prescribed capacity in response to the degree of degradation of the vehicle battery to maintain the first prescribed energy capacity after the degree of degradation of the vehicle battery.

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