Inventor
WOO ARTHUR N
US30 patents
⚠️ This page may combine multiple inventors who share the name “WOO ARTHUR N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRIMBLE NAVIGATION LTD
19 patentsUS6078290AJun 20, 2000
User-controlled GPS receiver
TRIMBLE NAVIGATION LTD130 citations99
US6430503B1Aug 6, 2002
Distributed GPS navigation system
TRIMBLE NAVIGATION LTD80 citations98
US5661652AAug 26, 1997
Mobile network with automatic position reporting between member units
TRIMBLE NAVIGATION LTD249 citations98
US5642285AJun 24, 1997
Outdoor movie camera GPS-position and time code data-logging for special effects production
TRIMBLE NAVIGATION LTD369 citations98
US5627548AMay 6, 1997
Navigation wristwear
TRIMBLE NAVIGATION LTD253 citations98
US5448773ASep 5, 1995
Long life portable global position system receiver
TRIMBLE NAVIGATION LTD179 citations98
US6282362B1Aug 28, 2001
Geographical position/image digital recording and display system
TRIMBLE NAVIGATION LTD967 citations97
US5781155AJul 14, 1998
Navigation wristwear
TRIMBLE NAVIGATION LTD112 citations97
US6384777B1May 7, 2002
User-controlled GPS receiver
TRIMBLE NAVIGATION LTD45 citations96
US5708440AJan 13, 1998
Pseudolite translator for unlicensed frequencies
TRIMBLE NAVIGATION LTD61 citations95
US5686924ANov 11, 1997
Local-area position navigation system with fixed pseudolite reference transmitters
TRIMBLE NAVIGATION LTD92 citations95
US5596500AJan 21, 1997
Map reading system for indicating a user's position on a published map with a global position system receiver and a database
TRIMBLE NAVIGATION LTD83 citations95
US5239669AAug 24, 1993
Coupler for eliminating a hardwire connection between a handheld global positioning system (GPS) receiver and a stationary remote antenna
TRIMBLE NAVIGATION LTD119 citations95
US5108334AApr 28, 1992
Dual down conversion GPS receiver with single local oscillator
TRIMBLE NAVIGATION LTD225 citations94
US6336074B1Jan 1, 2002
Satellite navigation receiver with map graphics and hypertext driven by a PDF database
TRIMBLE NAVIGATION LTD51 citations92
US6091816AJul 18, 2000
Integrated audio recording and GPS system
TRIMBLE NAVIGATION LTD33 citations92
USD344942SMar 8, 1994
Hand-held navigational unit
TRIMBLE NAVIGATION LTD33 citations91
US5272485ADec 21, 1993
Microstrip antenna with integral low-noise amplifier for use in global positioning system (GPS) receivers
TRIMBLE NAVIGATION LTD111 citations91
US5268064ADec 7, 1993
Copper clad epoxy printed circuit board suitable for microwave frequencies encountered in GPS receivers
TRIMBLE NAVIGATION LTD51 citations87
SEIKO EPSON CORP
6 patentsUS6473030B1Oct 29, 2002
Infrastructure-aiding for satellite navigation receiver and method
SEIKO EPSON CORP140 citations98
US6437734B1Aug 20, 2002
Satellite navigation receiver and method
SEIKO EPSON CORP72 citations96
US7450062B2Nov 11, 2008
Keeping accurate time for a hybrid GPS receiver and mobile phone when powered off
SEIKO EPSON CORP15 citations92
US7362263B2Apr 22, 2008
Keeping accurate time for a hybrid GPS receiver and mobile phone when powered off
SEIKO EPSON CORP14 citations92
US7598909B2Oct 6, 2009
Keeping accurate time for a hybrid GPS receiver and mobile phone when powered off
SEIKO EPSON CORP6 citations74
US7592951B2Sep 22, 2009
Device and method for minimizing the number of crystal oscillators used in an integrated navigation receiver and cellphone
SEIKO EPSON CORP2 citations63