Patent ID: 7170998
Filing Date: 2007-01-30
Classification: G07C

Abstract:
1. A system for door access control and key management, the system comprising: (1) a door administering system for administering access to one or more doors, the door administering system having: (2) a key administering system for administering one or more keys separately from the administration of the access to the door, each key being uniquely assigned to a key owner, the key administering system having: (3) a door control/lock assembly mounted on each door, the door control/lock assembly, the door administering system and the key administering system communicating with each other through a communications network, the door control/lock assembly for identifying a user key presented by a key user, and for operating the door based on the access privilege of the key user when the identified user key is a key administered by the key administering system, and the key user is an individual authorized to any of the one or more doors by the door administering system and having access authorization to the door.