1
Raymond G Gauthier, David M Lancisi, Gregory L Morris: Method and apparatus for controlling brushless DC motors in implantable medical devices. Heartware, John P White Esq, Cooper & Dunham, November 21, 2006: US07138776 (59 worldwide citation)

Methods and apparatus for controlling a polyphase motor in implantable medical device applications are provided. In one embodiment, the polyphase motor is a brushless DC motor. The back emf of a selected phase of the motor is sampled while a drive voltage of the selected phase is substantially zero. ...


2
Raymond G Gauthier, David M Lancisi, Gregory L Morris: Method and apparatus for controlling brushless DC motors in implantable medical devices. Heartware, John P White, Cooper & Dunham, October 14, 2008: US07436145 (9 worldwide citation)

Methods and apparatus for controlling a polyphase motor in implantable medical device applications are provided. In one embodiment, the polyphase motor is a brushless DC motor. The back emf of a selected phase of the motor is sampled while a drive voltage or the selected phase is substantially zero. ...


3
Gauthier Raymond, Lancisi David, Morris Gregory: Method and apparatus for controlling brushless DC motors in implantable medical devices. Kriton Medical, GERSTMAN George H, January 18, 2001: WO/2001/005023 (1 worldwide citation)

Methods and apparatus for controlling a polyphase brushless DC motor in implantable medical device applications are provided. The back emf of a selected phase (440) of the motor is sampled while a drive voltage of the selected phase is substantially zero (400, 430). Various embodiments utilize sinus ...


4
Raymond G Gauthier, David M Lancisi, Gregory L Morris: Method and apparatus for controlling brushless DC motors in implantable medical devices. HeartWare, Cooper & Dunham, November 1, 2007: US20070252542-A1

Methods and apparatus for controlling a polyphase motor in implantable medical device applications are provided. In one embodiment, the polyphase motor is a brushless DC motor. The back emf of a selected phase of the motor is sampled while a drive voltage or the selected phase is substantially zero. ...


5
Gauthier Raymond, Lancisi David, Morris Gregory: Method and apparatus for controlling brushless DC motors in implantable medical devices. Kriton Medical, June 1, 2002: KR1020027000258

Methods and apparatus for controlling a polyphase brushless DC motor in implantable medical device applications are provided. The back emf of a selected phase (440) of the motor is sampled while a drive voltage of the selected phase is substantially zero (400, 430). Various embodiments utilize sinus ...