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Voltage measurement apparatus

  • US 6,621,273 B2
  • Filed: 10/31/2001
  • Issued: 09/16/2003
  • Est. Priority Date: 10/31/2000
  • Status: Expired due to Term
First Claim
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1. A voltage measurement apparatus for measuring a voltage of each of N power sources connected in series, the apparatus comprising:

  • N capacitance elements provided respectively corresponding to the N power sources, and connected in series;

    a first switching section for simultaneously applying a voltage of each power source to one of the N capacitance elements corresponding to said power source;

    a voltage measurement section for measuring a voltage of each capacitance element; and

    a second switching section for sequentially connecting each capacitance element to the voltage measurement section.

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