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Facsimile apparatus having a rechargeable battery

  • US 5,182,655 A
  • Filed: 08/13/1991
  • Issued: 01/26/1993
  • Est. Priority Date: 08/20/1990
  • Status: Expired due to Term
First Claim
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1. A facsimile apparatus driven by a rechargeable battery, comprising:

  • charged quantity measuring means for measuring a charged quantity of the battery by measuring time for which the battery is charged;

    discharged quantity measuring means for measuring a discharged quantity of the battery by measuring time for which said facsimile apparatus has been operated;

    calculating means for calculating the quantity of electric charges remaining in the battery from the charged quantity of the battery measured by said charged quantity measuring means and the discharged quantity of the battery measured by said discharged quantity measuring means; and

    means for informing a facsimile operator of an attribute data concerning an operable time of the facsimile apparatus driven by the battery in accordance with the quantity of electric charges remaining in the battery calculated by said calculating means,wherein said facsimile apparatus is operable in a plurality of operation modes and said discharged quantity measuring means measures the discharged quantity of the battery in correspondence to the operation modes of the facsimile apparatus.

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