Battery monitoring system

  • US 4,217,645 A
  • Filed: 04/25/1979
  • Issued: 08/12/1980
  • Est. Priority Date: 04/25/1979
  • Status: Expired due to Term
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First Claim
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1. A system for automatically monitoring a plurality of parameters of a plurality of cells in a many-cell battery system, which comprises:

  • a. a plurality of transponder means responsive to a frequency pattern corresponding to a digital command, each transponder means having a unique address associated with each of said plurality of cells for providing a signal having a frequency related to a selected one of said parameters, said transponder means including;

    b. a plurality of sensor means for measuring said plurality of parameters, each said sensor means providing an analog signal having an amplitude related to the value of one of said parameters;

    c. means for converting an analog signal to a signal having a frequency related to the amplitude of said analog signal; and

    d. means responsive to said frequency pattern for selectively coupling one of said plurality of analog signals to said means for converting an analog signal; and

    e. scanner/display means for providing said frequency pattern corresponding to a digital command to each of said transponders to selectively couple one of said plurality of analog signals to said means for converting in a selected one of said transponders, said scanner/display means being responsive to said signal having a frequency related to the value of said parameter for providing a visual indication of operational status of plurality of cells.

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