| 摘要 |
A controller (5) suitable 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 (2) and a non-communal internal region secured by an internal door having a second electrically operated lock (4), the door entry system comprising a door panel (1) associated with the communal entrance and an entry phone (3) located within the internal region; the controller (5) being connectable the existing circuitry of the entry phone (3) so as to be able to receive a request for entry into the internal region from the door panel (1); and transmit an electrical signal to the entry phone (3) to unlock the first and second electrically operated locks (2, 4); the controller (5) comprising: a detector arranged to detect the request 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 control the entry phone (3) to unlock the first and second electrically operated locks (2, 4) when the right of access of the person into the internal region has been verified. |
