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Inexpensive modulated backscatter reflector

  • US 6,243,012 B1
  • Filed: 12/31/1996
  • Issued: 06/05/2001
  • Est. Priority Date: 12/31/1996
  • Status: Expired due to Term
First Claim
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1. A Tag for an RFID communication system using MBS comprising:

  • a data storage device containing information;

    a modulator consisting of one CMOS semiconductor gate electrically connected directly at a first end of the semiconductor gate to the data storage device allowing the semiconductor gate to receive the information; and

    an antenna having a certain reflectivity and electrically connected directly to a second end of the semiconductor gate such that the CMOS semiconductor gate modulates the reflectivity of the antenna in accordance with the received information.

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