Patent ID: 6236889
Filing Date: 2001-05-22
Classification: A61N,H04B,Y10S

Abstract:
An apparatus for communicating acoustic telemetry data produced by an implantable medical device over a selectable communication channel, comprising:a signal generator, provided in the implantable medical device, that generates a carrier signal;a modulator, provided in the implantable medical device, that impresses an information signal representative of information acquired or produced by the implantable medical device on the carrier signal so as to produce a modulated information signal; anda controller coupled to the signal generator to control generation of the carrier signal by the signal generator and to further control generation of the modulated information signal by the modulator in accordance with the channel characteristics of the selectable communication channel; anda transmitter, provided at the implantable medical device, that transmits the modulated information signal as an acoustic information signal communicable over the selectable communication channel.