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Power storage device and method of measuring voltage of storage battery

  • US 6,297,618 B2
  • Filed: 01/31/2001
  • Issued: 10/02/2001
  • Est. Priority Date: 02/07/2000
  • Status: Expired due to Term
First Claim
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1. A power storage device comprising:

  • a plurality of series-connected storage battery units;

    a plurality of battery circuits that measure supply voltages of the plurality of storage battery units and provide signals corresponding Lo the supply voltages, respectively;

    a plurality of potential level changing circuits that change potentials of the signals, respectively; and

    a data processing circuit that receives signals of potential levels respectively determined by the potential level changing circuits and carries out predetermined data processing operations.

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