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Method for transmitting information between bidirectional objects

  • US 7,724,687 B2
  • Filed: 04/08/2005
  • Issued: 05/25/2010
  • Est. Priority Date: 04/16/2004
  • Status: Active Grant
First Claim
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1. A method for transferring on a home automation network at least a house key between a first bidirectional command transmitter already belonging to the home automation network and a second bidirectional command transmitter to be installed on the home automation network, the method comprising the steps of:

  • establishing authentication between said first bidirectional command transmitter and a third bidirectional object, by communicating on the home automation network and by using an authentication process employed in the home automation network when a command transmitter wants a command be executed by a command receiver designed to actuate an openable member, the authentication process including using a particular algorithm derived from a general algorithm and from the house key, and then, if authentication is successful;

    transferring, by communication on the home automation network, the house key from said first bidirectional command transmitter to said second bidirectional command transmitter,storing said house key in said second bidirectional command transmitter;

    wherein the third bidirectional object is acommand receiver designed to actuate an openable member when no command transmitter of a particular type contains the house key, ora command transmitter of a particular type which contains the house key.

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