Patent ID: 6863220

Claim:
A radio operated data card comprising, in combination, an on-card antenna, on-card electronic circuitry including a data memory and a transceiver for transferring data between said memory and a remote host system via said antenna, a user-activated, normally open electrical switching circuit connected between the on-card electronic circuitry and said on-card antenna, said normally open switching circuit disabling the transfer of information via said antenna until said switching circuit is intentionally closed by a cardholder to enable such transfer, said switching circuit automatically reopening after being intentionally closed by the cardholder to again disable such transfer, said antenna, said on-card electronic circuitry and said electrical switching circuit being sandwiched between first and second planar panels which form outer surfaces of said data card, said switching circuit comprising, in combination, first and second normally spaced-apart conductive electrical contacts, said first contact being located adjacent to said first planar panel and being moved into contact with said second contact to close said switching circuit when the cardholder applies pressure to said first panel, and a deformable support cushion positioned to intercept said first contact as it moves into contact with said second contact, said deformable cushion urging said first contact away from said second contact to reopen said switching circuit when said pressure is no longer applied to said first panel.