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Methods and apparatus for dispensing a consumable energy source to a vehicle

  • US 5,327,066 A
  • Filed: 05/25/1993
  • Issued: 07/05/1994
  • Est. Priority Date: 05/25/1993
  • Status: Expired due to Term
First Claim
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1. A battery charging system for use with electrically powered vehicles, the system comprising:

  • a plurality of battery charging stations, each of said battery charging stations including,means for dispensing electrical power to a battery of an electrically powered vehicle;

    means for receiving an indicia that includes information representative of a value, said receiving means including means for coupling to a memory device that is located within the electrically powered vehicle for receiving the indicia therefrom, the indicia being stored within the memory device, said indicia further including information for uniquely identifying the electrically powered vehicle; and

    local control means having an output coupled to said electrical power dispensing means for enabling and disabling an operation thereof, said local control means further having a first input coupled to an output of said receiving means for receiving said indicia therefrom;

    said system further including central control means that is bidirectionally coupled to each of said local control means for receiving said indicia therefrom and for transmitting an enabling signal thereto, said central control means further being bidirectionally coupled to a further control means, said central control means including means for transmitting said indicia to said further control means for verification and for receiving an acknowledging signal therefrom in response to said indicia being verified by said further control means, said central control means further including means for generating said enabling signal and for transmitting said enabling signal to one of said local control means in response to a receipt of said acknowledging signal from said further control means, and wherein each of said local control means enables said electrical power dispensing means to dispense an amount of the electrical power to the battery of an electrically powered vehicle only in response to a receipt of said enabling signal from said central control means.

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