Wireless device for verifying identification

  • US 5,319,711 A
  • Filed: 08/19/1992
  • Issued: 06/07/1994
  • Est. Priority Date: 08/19/1992
  • Status: Expired due to Term
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First Claim
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1. A wireless device for responding to an external identification request comprising:

  • a first memory means for storing a password having a plurality of bits;

    a second memory means for storing a mask having a plurality of bits;

    a comparison means for comparing the bits of said mask with the bits of said password;

    a processing means for producing a response to said external identification request, said response having a plurality of bits such that each bit of the response is binary one, when the corresponding bit of said mask and of said password is binary one.

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