Inventor
SCHILLING CHRISTIAN J
DE3 patents
Patents
3 patentsUS6553326B1Apr 22, 2003
Errors in systems using magnetic fields to locate objects
NORTHERN DIGITAL INC106 citations95
US6990427B2Jan 24, 2006
Gain factor and position determination system
NORTHERN DIGITAL INC71 citations94
US6625563B2Sep 23, 2003
Gain factor and position determination system
NORTHERN DIGITAL INC87 citations94