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Method and apparatus for remote data telemetry and point of sale method and apparatus

  • US 6,388,561 B1
  • Filed: 04/30/1998
  • Issued: 05/14/2002
  • Est. Priority Date: 04/30/1998
  • Status: Expired due to Term
First Claim
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1. A point of sale device for use with an interrogator configured to transmit a command to the point of sale device and thereafter transmit a continuous wave, the point of sale device comprising:

  • an RFID defined by a single integrated circuit and including a backscatter modulator, and an active transmitter and being configured to transmit using a selectable one of the backscatter modulator and the active transmitter;

    a tactile input device;

    a decoder coupled to the tactile input device and the wireless identification device, the wireless identification device being configured to receive data input into the tactile input device and to transmit the data by selectively reflecting or not reflecting the continuous wave generated by the interrogator when using the backscatter modulator; and

    a selectively openable cash drawer coupled to the tactile input device, the tactile input device being configured to selectively send a signal to the cash drawer, and the cash drawer being configured to open in response to the signal from the tactile input device.

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