Patent ID: 7267266
Filing Date: 2007-09-11
Classification: G06F,G06K,G06Q,G08B

Abstract:
1. A security device for a financial transaction card consisting of: a primary transceiver coupled to a financial transaction card; and a secondary transceiver wherein said primary transceiver has a transmit range defining an area within which said primary transceiver can communicate with said secondary transceiver and wherein said primary transceiver of said financial transaction card attempts to communicate with said secondary transceiver by said primary transceiver sending only a first communication to said secondary transceiver which is received by said secondary receiver and wherein said secondary transceiver responds to said first communication by sending only a first response to said first communication to said primary transceiver and wherein upon said primary transceiver receiving said response, said primary transceiver enables said financial transaction card for use in a financial transaction with another device and wherein when said primary transceiver of said financial transaction card cannot communicate with said secondary transceiver because said secondary transceiver is outside of said transmit range of said primary transceiver said financial transaction card is disabled from performing a financial transaction with another device.