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Computer and RFID-based input devices

  • US 7,315,908 B2
  • Filed: 04/09/2004
  • Issued: 01/01/2008
  • Est. Priority Date: 04/09/2004
  • Status: Active Grant
First Claim
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1. A computer having at least one input device, comprising:

  • an input device including at least one RF transponder that is controllable by a user to be selectively capable or incapable of transmitting a signal;

    a computing arrangement including a reader and a microprocessor, the computing arrangement being adapted to receive and decode the signal from the at least one RF transponder; and

    a display adapted to display information represented by the signal;

    wherein the at least one RF transponder is controlled to be capable of transmitting the signal by exposing an antenna and is controlled to be incapable of transmitting the signal by shielding the antenna.

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