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Electronic key, electronic closure system and a method for allowing an access authorization

  • US 9,799,154 B2
  • Filed: 10/27/2014
  • Issued: 10/24/2017
  • Est. Priority Date: 04/27/2012
  • Status: Active Grant
First Claim
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1. A method for secure acquisition of an access authorization or for secure delivery of a key for at least one user for opening at least one electronic lock device by at least one electronic key device carried by the user the electronic key device having at least two contacts for the transmission of data and energy to the electronic lock device and, the at least one electronic lock device is provided with at least two contacts for receiving energy and data from said electronic key device, comprising the following method steps:

  • transmittal of at least one item of information characteristic of the electronic lock device and the user to a central data processing centre that is remote from the electronic lock device by means of a communication device,examination of the sent information by the central data processing centre,transmittal of an authorization code to the user by means of the communication device in the case of a positive examination of the information,entry, of the authorization code into the carried electronic key device,bringing said electronic key device with its at least two contacts in contact with said at least two contacts of said electronic lock device,energizing said electronic lock device by said electronic key device and transmitting said authorization code to said electronic lock device for unlocking,unlocking of the electronic lock device of verification of such authorization code.

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