Patent ID: 8065018
Filing Date: 2011-11-22
Classification: A61N

Abstract:
1. A method for receiving an unscheduled communication by operating a receiver of a medical device over a communication band having a plurality of frequency-divided communication channels, said communication band divided into a plurality of bandwidths, each individual one of said plurality of bandwidths comprising a plurality of individual ones of said plurality of communication channels, comprising the steps of: operating said receiver in a first mode, comprising detecting radio frequency energy over a threshold sequentially over each individual one of said plurality of bandwidths; operating said receiver in a second mode if radio frequency energy over said threshold is detected, comprising identifying, in an individual one of said plurality of bandwidths in which said radio frequency energy over said threshold has been detected, an individual one of said plurality of communication channels having a radio frequency transmission; and opening a communication session to receive said radio frequency transmission on said individual one of said plurality of communication channels.