1
George Rosar: Receiver employing digital filtering for use with an implantable medical device. Medtronic, Thomas F Woods, Harold R Patton, Girma Wolde Michael, April 24, 2001: US06223083 (315 worldwide citation)

A receiving and filtering circuit includes an antenna, a demodulator circuit coupled to the antenna, and a digital median filter that removes high frequency content of a demodulated digital information signal to produce a filtered digital information signal corresponding to an analog data signal tra ...


2
Mervin L Grindahl, George Rosar, Mark Kodet: Remotely interrogated transponder. E F Johnson Company, Dorsey & Whitney, November 22, 1988: US04786903 (58 worldwide citation)

A radio frequency transponder is provided that combines high signal sensitivity in the receive mode and variable frequency capability in the transmit mode in a low component and power efficient design. A single tuned amplifier acts as the externally quenched oscillator of a superregenerative receive ...


3
George Rosar: Digital delay line receiver for use with an implantable medical device. Medtronic, Girma Wolde Michael, September 25, 2001: US06295473 (26 worldwide citation)

A body implantable medical apparatus includes circuitry for generating and transmitting a modulated analog data signal. A receiver receives and digitally demodulates the modulated analog signal. An analog-to-digital converting circuit produces an amplitude limited modulated digital signal correspond ...


4
Gregory J Haubrich, Len D Twetan, George Rosar: Multiple band communications for an implantable medical device. Medtronic, July 20, 2006: US20060161222-A1

In some embodiments, a medical device system may include one or more of the following features: (a) an external medical device (EMD), (b) an implantable medical device (IMD) disposed within a hermetically sealed housing adapted for implantation in the body of a patient to provide a therapy delivery ...



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