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Article with retroreflective and radio frequency-responsive features

  • US 6,894,615 B2
  • Filed: 10/09/2001
  • Issued: 05/17/2005
  • Est. Priority Date: 10/09/2001
  • Status: Expired due to Term
First Claim
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1. A vehicle identification window sticker comprising:

  • a retroreflective article having an optical surface; and

    a radio frequency-responsive element attached to the retroreflective article, wherein the radio frequency-responsive element comprises an antenna and an integrated circuit, wherein the radio frequency-responsive element has information storage and transmission capabilities adapted to enable an interrogation system to obtain information from the radio frequency-responsive element, wherein the radio frequency-responsive element comprises an exposed surface and an adhesive disposed on the exposed surface, the adhesive having an adhesive strength sufficient to tear the radio frequency-responsive element when the vehicle identification window sticker is adhered to a vehicle window by the adhesive and subsequently removed from the vehicle window.

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