×

Wireless access control and event controller system

  • US 7,791,452 B2
  • Filed: 03/23/2005
  • Issued: 09/07/2010
  • Est. Priority Date: 03/23/2005
  • Status: Active Grant
First Claim
Patent Images

1. A demand-based authorization method for controlling access to a plurality of lock mechanisms in a wireless access control system having a central access control system comprising a central access controller and a central wireless communicator, and having a separate remote access control system connected to each of said plurality of lock mechanisms comprising a remote access controller, a remote credential reader and a remote wireless communicator maintained in a standby mode to conserve power until activated, wherein said method comprises the steps of:

  • storing a list of valid credentials in a memory at said remote access control system wherein said list is indicative of authorized users;

    receiving a credential at said credential reader;

    comparing said credential to said list of valid credentials;

    authorizing access from said remote access control system if said comparing step is indicative of an authorized user;

    activating said remote wireless communicator to initiate a wireless communication between said remote wireless communicator and central wireless communicator when said comparing step is not indicative of an authorized user to obtain an updated list of valid credentials;

    re-comparing said credential to said updated list of valid credentials; and

    authorizing access if said re-comparing step is indicative of an authorized user.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×