Low Cost Secure ID Card and System

The invention provides a method for controlling the operating state of a lock characterized by a locked state and an unlocked state. The method comprises: entering secret information on an electronic input device (e.g. keypad) located on a radio frequency identity card, then electronically comparing...

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Hauptverfasser: AUGUST JASON, VERGE CHRISTOPHER W, STEVEN JOHN K, WATERHOUSE PAUL, TRUONG KENNETH
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Sprache:eng
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creator AUGUST JASON
VERGE CHRISTOPHER W
STEVEN JOHN K
WATERHOUSE PAUL
TRUONG KENNETH
description The invention provides a method for controlling the operating state of a lock characterized by a locked state and an unlocked state. The method comprises: entering secret information on an electronic input device (e.g. keypad) located on a radio frequency identity card, then electronically comparing the secret information against an authorized code to determine whether the secret information is authorized, then transmitting by radio frequency an unlocking signal to a radio frequency reader located at the lock for opening the lock in the event that the secret information is authorized. In a related use of such RF identity cards, the invention also provides a system and method of tracking movements of individuals within a secure area. The method comprises the steps of: using a loop antenna operable to transmit and receive RF signals from at least one radio frequency (RF) identity card carried by an individual; transmitting RF signals at a frequency not exceeding 1 megahertz from a reader through the loop antenna to the aforesaid RF card to request a secret code; entering this secret code on an electronic input device (e.g. keypad) device located on the RF card, transmitting this secret code to the reader through a transceiver disposed on the RF card; and using a data processor/CPU located at the reader to determine whether the secret code corresponds to the aforesaid authorization.
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subjects ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE
CALCULATING
CHECKING-DEVICES
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
ELECTRIC DIGITAL DATA PROCESSING
FARE-REGISTERING APPARATUS
FRANKING APPARATUS
GENERATING RANDOM NUMBERS
PHYSICS
REGISTERING OR INDICATING THE WORKING OF MACHINES
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
TICKET-ISSUING APPARATUS
TIME OR ATTENDANCE REGISTERS
VOTING OR LOTTERY APPARATUS
title Low Cost Secure ID Card and System
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