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COMMUNICATION EQUIPMENT FOR SECURE COMMUNICATION

  • US 20140365760A1
  • Filed: 11/01/2011
  • Published: 12/11/2014
  • Est. Priority Date: 11/01/2011
  • Status: Abandoned Application
First Claim
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1. A user interface device (101, 201, 201a) comprising:

  • a user interface (102) for receiving command actions from a user,a processor (104) for receiving a first digital data stream, for generating digital event data in accordance with the command actions directed to the user interface, and for combining the digital event data with the first digital data stream so as to form a second digital data stream, anda transmitter (105) for transmitting a third digital data stream to a data link,characterized in that the processor is arranged to encrypt the second digital data stream so as to form the third digital data stream in accordance with cryptographic control data accessible to the processor.

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