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Short range wireless device interface with parasitic power supply

  • US 7,142,813 B1
  • Filed: 06/21/2002
  • Issued: 11/28/2006
  • Est. Priority Date: 06/21/2002
  • Status: Expired due to Fees
First Claim
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1. An adapter for use between a point of sale terminal and a commercial wireless device, said adapter comprising:

  • a physical interface for mechanically connecting said adapter to at least one specific commercial wireless device;

    a short range wireless protocol module for receiving communication from said point of sale terminal;

    a circuit for sending control signals through said physical interface to control said wireless device in response to received ones of said short range wireless communications; and

    a circuit for receiving power from said commercial wireless device wherein said circuit stores power derived from data sent from said commercial wireless device.

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