Controller for a door entry system
US9571661B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2012 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | May 18, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C9/00309
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Controller 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 door panel associated with the communal entrance and an entry phone located within the internal region; the controller being connectable to existing circuitry of the entry phone to be able to receive a request for entry into the internal region from the door panel; and transmit an electrical signal to the entry phone to unlock the first and second electrically operated locks. The controller comprises a detector; a verifier; and a lock controller arranged to generate the signals to control the entry phone to unlock the first and second electrically operated locks when the right of access has been verified.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.