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Contactless data carrier

  • US 20070063055A1
  • Filed: 04/13/2004
  • Published: 03/22/2007
  • Est. Priority Date: 04/14/2003
  • Status: Active Grant
First Claim
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1. A contactless data carrier with an antenna and a chip, comprising a data carrier on which are disposed data which are transmittable to a reading device via an optical data transmission channel, and on which are disposed data which are transmittable to a reading device via an antenna-based data transmission channel.

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