Patent ID: 9571661
Date: 2017-02-14
CPC Classifications: G07C,H04L,H04M

Claim:
1. A controller adapted for retrofit connection to a pre-installed door entry system of an area having a communal entrance secured by a communal door having a first electrically operated lock and a non-communal internal region secured by an internal door having a second electrically operated lock, the door entry system comprising a pre-installed door panel associated with the communal entrance, an entry phone located within the internal region and a plurality of wires electrically connecting said entry phone to said door panel, said plurality of wires having at least request for entry, audio in and audio out functionality; the controller being connectable to said plurality of wires and positioned within the non-communal internal region, the controller being configured to: receive a request for entry into the internal region from the door panel via said plurality of wires; transmit an electrical signal through said plurality of wires to unlock the first electrically operated lock and transmit an electrical signal to unlock the second electrically operated lock through a wire different from said plurality of wires; the controller comprising: a detector arranged to detect the request sent over said plurality of wires for entry by a person; a verifier arranged to verify the right of access of the person into internal region; and a lock controller arranged to generate the signals to unlock the first and second electrically operated locks when the right of access of the person into the internal region has been verified.