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System and method for managing usage authorizations based on the use of smart cards

  • US 20060036863A1
  • Filed: 08/13/2004
  • Published: 02/16/2006
  • Est. Priority Date: 08/13/2004
  • Status: Active Grant
First Claim
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1. System for managing usage authorizations that are based on use of smart cards, comprising a central computer system, field devices and smart cards carried by potential users, wherein the central computer system maintains databases containing all information that relates to the users, user accounts, their assigned smart cards, field devices and products, establishes and maintains at least at times a communication connection with the field devices, prepares instructions on actions to be conducted based on the available information and transmits these to a plurality of smart card-related relevant field devices, with the field devices maintaining at least some data inventory of information relating to the smart cards and products so that when a communication connection is established between a field device and a smart card at least a portion of the smart card-related instructions is processed from the instruction list and stored on the field device side and can be transmitted to the central computer system during the next communication connection, and wherein the smart cards carry an identification and, when a communication connection is made, exchange information with a field device and store a specified number of processed instructions.

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