Inventor
NORMAN CHARLES P
US32 patents
⚠️ This page may combine multiple inventors who share the name “NORMAN CHARLES P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIRF TECH INC
25 patentsUS6680695B2Jan 20, 2004
Communications system that reduces auto-correlation or cross-correlation in weak signals
SIRF TECH INC168 citations99
US6529829B2Mar 4, 2003
Dead reckoning system for reducing auto-correlation or cross-correlation in weak signals
SIRF TECH INC208 citations99
US6282231B1Aug 28, 2001
Strong signal cancellation to enhance processing of weak spread spectrum signal
SIRF TECH INC133 citations99
US6747596B2Jun 8, 2004
Generic satellite positioning system receivers with programmable inputs
SIRF TECH INC151 citations98
US6738013B2May 18, 2004
Generic satellite positioning system receivers with selective inputs and outputs
SIRF TECH INC149 citations98
US6707423B2Mar 16, 2004
Location services system that reduces auto-correlation or cross-correlation in weak signals
SIRF TECH INC45 citations96
US6466161B2Oct 15, 2002
Location services system that reduces auto-correlation or cross-correlation in weak signals
SIRF TECH INC33 citations96
US7116704B2Oct 3, 2006
Strong signal cancellation to enhance processing of weak spread spectrum signal
SIRF TECH INC17 citations92
US7026986B2Apr 11, 2006
Location services system that reduces auto-correlation or cross-correlation in weak signals
SIRF TECH INC11 citations92
US7106786B2Sep 12, 2006
Method for reducing auto-correlation or cross-correlation in weak signals
SIRF TECH INC10 citations82
US7197305B2Mar 27, 2007
Apparatus for reducing auto-correlation or cross-correlation in weak CDMA signals
SIRF TECH INC7 citations74
US7183972B2Feb 27, 2007
Communications system that reduces auto-correlation or cross-correlation in weak signals
SIRF TECH INC6 citations74
US7151485B2Dec 19, 2006
Generic satellite positioning system receivers with selectable inputs and outputs
SIRF TECH INC7 citations73
US7127351B2Oct 24, 2006
Combined parallel and sequential detection for GPS signal acquisition
SIRF TECH INC6 citations72
US7630458B2Dec 8, 2009
Phase sampling techniques using amplitude bits for digital receivers
SIRF TECH INC2 citations63
US7545850B1Jun 9, 2009
Analog compression of GPS C/A signal to audio bandwidth
SIRF TECH INC4 citations63
US7436907B1Oct 14, 2008
Analog compression of GPS C/A signal to audio bandwidth
SIRF TECH INC3 citations63
US7365680B2Apr 29, 2008
Location services system that reduces auto-correlation or cross-correlation in weak signals
SIRF TECH INC6 citations63
US7545319B2Jun 9, 2009
Configurable satellite positioning system receivers with programmable inputs
SIRF TECH INC5 citations62
US7508340B2Mar 24, 2009
Generic Satellite Positioning System receivers with selectable inputs and outputs
SIRF TECH INC2 citations62
US7246011B2Jul 17, 2007
Combined parallel and sequential detection for GPS signal acquisition
SIRF TECH INC2 citations61
US8013787B2Sep 6, 2011
Control and features for satellite positioning system receivers
SIRF TECH INC3 citations60
US7747236B1Jun 29, 2010
Method and apparatus for estimating local oscillator frequency for GPS receivers
SIRF TECH INC6 citations54
US7113552B1Sep 26, 2006
Phase sampling techniques using amplitude bits for digital receivers
SIRF TECH INC1 citations52
US7132978B2Nov 7, 2006
Generic satellite positioning system receivers with programmable inputs
SIRF TECH INC1 citations51