Apparatus and method for controlled access to a secured location

Details Apparatus and method for controlled access to a secured location Apparatus and method for controlled access to a secured location

1991-12-20

1994-06-14

Hajec, Donald

Registers

Systems controlled by data bearing records

Credit or identification card systems

235379, 2353825, 235381, 379102, 902 10, 34082531, G06K 500

Patent

active

053212428

ABSTRACT:
A system for authorizing access to a secured device, such as an automated teller machine (ATM) or a pay telephone, without a key or combination for the secured device, and without a fixed communication link extending to the device. An encoded access message is produced which identifies a present access code previously stored at the secured device, the personal identification number (PIN) of a technician, and the identification number of a particular portable terminal. The technician manually enters the encoded access message and a PIN into the terminal, which verifies the identification number of the terminal and the manually-entered PIN against information encoded in the access message. If that information is authenticated, the portable terminal is connected to the secured device. The encoded access message is transferred from the terminal to the secured device, which compares an access code previously stored at that device with information contained in the access message. The proper PIN also is re-entered. Access is granted only if all information is verified by information in the encoded access message. If access is allowed, the access code at the secured device is replaced by a new access code from the encoded access message, and that new access code is stored for the next authorized access to the particular secured device.

REFERENCES:
patent: 4207555 (1980-06-01), Trombly
patent: 4234932 (1980-11-01), Gorgens
patent: 4390968 (1983-06-01), Hennessy et al.
patent: 4523087 (1985-06-01), Benton
patent: 4663952 (1987-05-01), Gelhard
patent: 4829296 (1989-05-01), Clark et al.
patent: 4858453 (1989-08-01), Namazue
patent: 4962449 (1990-10-01), Schlesinger
patent: 5056643 (1991-10-01), Kirberg
patent: 5131038 (1992-07-01), Puhl et al.
"Enter the Electronic Security Age", Medeco High Security Locks, pp. 1-21.
"Guard Buddy" Project, Honeywell Protection Services.

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