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System and method for unscheduled wireless communication with a medical device

  • US 8,280,521 B2
  • Filed: 10/14/2011
  • Issued: 10/02/2012
  • Est. Priority Date: 09/12/2005
  • Status: Active Grant
First Claim
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1. A medical device comprising:

  • an antenna; and

    a receiver coupled to the antenna and configured to receive communications, wherein the receiver sequentially operates in a series of modes, wherein the modes define increasingly selective evaluation by the receiver of received energy to identify the presence of an unscheduled communication; and

    the receiver is further configured to open a communication session to receive further communications after the received energy has passed the evaluation by the receiver operating in each of the series of modes.

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