Method of releasing communication between at least two communication devices

  • US 7,412,230 B2
  • Filed: 02/26/2003
  • Issued: 08/12/2008
  • Est. Priority Date: 03/14/2002
  • Status: Active Grant
First Claim
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1. A method of releasing communication between at least two communication devices that are arranged to communicate with one another, wherein a data carrier that is able to be read from in a non-contacting manner and that contains an authorization code is brought into the vicinity of at least two such communication devices and in this way the data carrier that is brought into the vicinity of a given communication device is brought into non-contacting read connection with a reading device that is connected to the given communication device and can be read in a non-contacting manner, wherein the authorization code is read out by each reading device from the data carrier that is in non-contacting read connection with the reading device, wherein a check is performed on the authorization code read out, and wherein the communication devices by whose reading devices the authorization code was read out from the data carrier are released for communication with one another once the authorization code has been read out from the data carrier, the authorization code read out has been checked and a positive result has been received for the check.

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