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Radio frequency energy management system

  • US 5,703,464 A
  • Filed: 06/28/1995
  • Issued: 12/30/1997
  • Est. Priority Date: 06/28/1995
  • Status: Expired due to Term
First Claim
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1. An energy management system for use with an electrically powered apparatus, the system comprising:

  • a number of battery control modules on the apparatus, wherein each battery control module includes;

    means for monitoring an operating parameter of an electric power source for the apparatus selected from the group consisting of a battery pack, at least one battery in a battery pack, at least one cell in a battery, and combinations thereof;

    means for receiving a radio frequency signal;

    means for transmitting a radio frequency signal; and

    a control unit on the apparatus configured to monitor and control the battery control modules by radio frequency signal, wherein the control unit includes;

    means for receiving a radio frequency signal transmitted from each battery control module; and

    means for transmitting a radio frequency control signal to each battery control module;

    wherein the receiving and transmitting means for the control unit and each battery control module is connected to a common conductive transmission medium disposed between the electric power source and a power handling device in the electrically powered apparatus.

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