Patent ID: 7724687

Claim:
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 a command receiver designed to actuate an openable member when no command transmitter of a particular type contains the house key, or a command transmitter of a particular type which contains the house key.