Inventor
TODD DONALD
US4 patents
Patents
4 patentsUS6452668B1Sep 17, 2002
Rotating head optical transmitter for position measurement system
ARC SECOND INC50 citations94
US6618133B2Sep 9, 2003
Low cost transmitter with calibration means for use in position measurement systems
ARC SECOND INC57 citations92
US6621565B2Sep 16, 2003
Rotating head optical transmitter for position measurement system
ARC SECOND INC33 citations90
US6519029B1Feb 11, 2003
Low cost transmitter with calibration means for use in position measurement systems
ARC SECOND INC21 citations89