Inventor
GEIER GEORGE J
US23 patents
⚠️ This page may combine multiple inventors who share the name “GEIER GEORGE J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
20 patentsUS6888497B2May 3, 2005
Method and mobile station for determining a code phase
MOTOROLA INC170 citations99
US6756938B2Jun 29, 2004
Satellite positioning system receivers and methods therefor
MOTOROLA INC171 citations99
US6429808B1Aug 6, 2002
Method and apparatus for assisted GPS integrity maintenance
MOTOROLA INC233 citations99
US6429811B1Aug 6, 2002
Method and apparatus for compressing GPS satellite broadcast message information
MOTOROLA INC128 citations99
US7064706B2Jun 20, 2006
Method and apparatus for assisted GPS
MOTOROLA INC72 citations98
US6445927B1Sep 3, 2002
Method and apparatus for calibrating base station locations and perceived time bias offsets in an assisted GPS transceiver
MOTOROLA INC140 citations98
US6313787B1Nov 6, 2001
Method and apparatus for assisted GPS protocol
MOTOROLA INC211 citations96
US5525998AJun 11, 1996
Odometer assisted GPS navigation method
MOTOROLA INC62 citations96
US6839020B2Jan 4, 2005
Aiding location determinations in satellite positioning system receivers
MOTOROLA INC193 citations95
US6577952B2Jun 10, 2003
Position and heading error-correction method and apparatus for vehicle navigation systems
MOTOROLA INC197 citations95
US6401036B1Jun 4, 2002
Heading and position error-correction method and apparatus for vehicle navigation systems
MOTOROLA INC99 citations94
US7747257B2Jun 29, 2010
GPS assistance messages in cellular communications networks and methods therefor
MOTOROLA INC24 citations92
US6661371B2Dec 9, 2003
Oscillator frequency correction in GPS signal acquisition
MOTOROLA INC51 citations92
US5745868AApr 28, 1998
Method for rapid recovery from dead reckoning system heading loss
MOTOROLA INC49 citations92
US7720601B2May 18, 2010
Method and apparatus for compressing GPS satellite broadcast message information
MOTOROLA INC10 citations84
US7336224B2Feb 26, 2008
Satellite positioning system receivers and methods
MOTOROLA INC9 citations82
US7061425B2Jun 13, 2006
Frequency error tracking in satellite positioning system receivers
MOTOROLA INC9 citations74
US5752220AMay 12, 1998
Method for heading error suppression in dead reckoning systems
MOTOROLA INC14 citations74
US7298321B2Nov 20, 2007
Satellite positioning system receivers and methods
MOTOROLA INC9 citations71
US7623066B2Nov 24, 2009
Satellite positioning system receiver time determination in minimum satellite coverage
MOTOROLA INC3 citations57
TRIMBLE NAVIGATION LTD
2 patentsUS5202829AApr 13, 1993
Exploration system and method for high-accuracy and high-confidence level relative position and velocity determinations
TRIMBLE NAVIGATION LTD465 citations99
US5416712AMay 16, 1995
Position and velocity estimation system for adaptive weighting of GPS and dead-reckoning information
TRIMBLE NAVIGATION LTD603 citations95