Importance

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Abstract

A security system includes a central server module designed to interface with one or more portable client modules. The server module manages access information to be sent to the client modules. The client module is a portable device designed to be carried by an authorized user and has a wireless interface that allows communication with the server module. When a user wishes to obtain an access code at a given time, the user logs into the server module via the client module. The central server verifies that the user is authorized to receive the access code for that particular time and securely transmits the access code to the client module. By transmitting access codes over a secure wireless system, the invention eliminates the need for a separate human operator to provide the access codes to the user for opening a lock.

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First Claim