×

ELECTRONIC LOCK BOX PROXIMITY ACCESS CONTROL

  • US 20120068817A1
  • Filed: 09/16/2010
  • Published: 03/22/2012
  • Est. Priority Date: 09/16/2010
  • Status: Active Grant
First Claim
Patent Images

1. A method for operating an electronic lock box system, said method comprising:

  • (a) providing an electronic lock box having a first processing circuit, a first memory circuit, a first short range wireless communications device, a secure compartment having a movable opening element that is under the control of said first processing circuit, and a first data input device;

    (i) periodically inspecting said first data input device to determine if it has been activated, and if so, determining a first input data value that is entered thereon by a user;

    (ii) retrieving data stored in said first memory circuit, including a unique to lockbox identifier value;

    (iii) constructing a hail message from said unique lockbox identifier value and from said first input data value, and transmitting said hail message using said first short range wireless communications device; and

    (b) providing a portable transponder having a second processing circuit, a second memory circuit, and a second short range wireless communications device;

    (i) retrieving data stored in said second memory circuit, including a user identifier data value; and

    (ii) determining if said second short range wireless communications device has received said hail message from said electronic lock box; and

    if so, based upon said user identifier data value, determining if said hail message contains information corresponding to the identity of said user.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×