Ralph E. Eschenbach

Person

Redwood City, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Position determination system for movable objects or personnel usin...
- Patent number 7,403,853
- Issue date Jul 22, 2008
- Trimble Navigation, Ltd.
- James M. Janky
- G01 - MEASURING TESTING
Information Patent Grant
Position determination system for movable objects or personnel
- Patent number 6,944,542
- Issue date Sep 13, 2005
- Trimble Navigation, Ltd.
- Ralph Frederic Eschenbach
- G01 - MEASURING TESTING
Information Patent Grant
Method and system for providing wide area augmentation system (WAAS...
- Patent number 6,741,935
- Issue date May 25, 2004
- Trimble Navigation Ltd.
- Ralph Eschenbach
- G01 - MEASURING TESTING
Information Patent Grant
GPS receiver having improved signal acquisition at a low signal to...
- Patent number 6,731,672
- Issue date May 4, 2004
- Trimble Navigation Limited
- Ralph F. Eschenbach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Global positioning system using almanac data for a fast time to fir...
- Patent number 6,727,848
- Issue date Apr 27, 2004
- Ralph F. Eschenbach
- G01 - MEASURING TESTING
Information Patent Grant
Differential global positioning system using coarse GPS data for a...
- Patent number 6,559,793
- Issue date May 6, 2003
- Trimble Navigation Limited
- Ralph F. Eschenbach
- G01 - MEASURING TESTING
Information Patent Grant
GPS receiver having improved signal acquisition at a low signal to...
- Patent number 6,546,040
- Issue date Apr 8, 2003
- Trimble Navigation Limited
- Ralph F. Eschenbach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for providing wide area augmentation systems (WAA...
- Patent number 6,529,830
- Issue date Mar 4, 2003
- Trimble Navigation Ltd.
- Ralph Eschenbach
- G01 - MEASURING TESTING
Information Patent Grant
Differential global positioning system using almanac data for a fas...
- Patent number 6,373,429
- Issue date Apr 16, 2002
- Trimble Navigation Limited
- Ralph F. Eschenbach
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for collecting, processing and distributing di...
- Patent number 6,324,473
- Issue date Nov 27, 2001
- Trimble Navigation Limited
- Ralph Eschenbach
- G01 - MEASURING TESTING
Information Patent Grant
Reduction of time to first fix in an SATPS receiver
- Patent number RE37408
- Issue date Oct 16, 2001
- Trimble Navigation Ltd.
- Peter V. W. Loomis
- 342 - Communications: directive radio wave systems and devices
Information Patent Grant
Differential global positioning system using almanac data for a fas...
- Patent number 6,211,817
- Issue date Apr 3, 2001
- Trimble Navigation Limited
- Ralph F. Eschenbach
- G01 - MEASURING TESTING
Information Patent Grant
Flexible monitoring of location and motion
- Patent number 6,181,253
- Issue date Jan 30, 2001
- Trimble Navigation Limited
- Ralph F. Eschenbach
- G08 - SIGNALLING
Information Patent Grant
GPS based augmented reality collision avoidance system
- Patent number 6,124,825
- Issue date Sep 26, 2000
- Trimble Navigation Limited
- Ralph Eschenbach
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
GPS based augmented reality collision avoidance system
- Patent number 6,064,335
- Issue date May 16, 2000
- Trimble Navigation Limited
- Ralph Eschenbach
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Inexpensive monitoring technique for achieving high level integrity...
- Patent number 5,969,670
- Issue date Oct 19, 1999
- Trimble Navigation Limited
- Rudolph M. Kalafus
- G01 - MEASURING TESTING
Information Patent Grant
Reduction of time to first fix in an SATPS receiver
- Patent number 5,917,444
- Issue date Jun 29, 1999
- Trimble Navigation Ltd.
- Peter V. W. Loomis
- G01 - MEASURING TESTING
Information Patent Grant
Precision equivalent landing system using gps and an altimeter
- Patent number 5,820,080
- Issue date Oct 13, 1998
- Trimble Navigation Limited
- Ralph F. Eschenbach
- G05 - CONTROLLING REGULATING
Information Patent Grant
Dual down conversion GPS receiver with single local oscillator
- Patent number 5,108,334
- Issue date Apr 28, 1992
- Trimble Navigation, Ltd.
- Ralph E. Eschenbach
- G01 - MEASURING TESTING
Information Patent Grant
Differential doppler velocity GPS receiver
- Patent number 4,970,523
- Issue date Nov 13, 1990
- Trimble Navigation, Ltd.
- Paul E. Braisted
- G01 - MEASURING TESTING
Information Patent Grant
Global positioning system course acquisition code receiver
- Patent number 4,847,862
- Issue date Jul 11, 1989
- Trimble Navigation, Ltd.
- Paul E. Braisted
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Global positioning system using almanac data for a fast time to fir...
- Publication number 20020186165
- Publication date Dec 12, 2002
- Ralph F. Eschenbach
- G01 - MEASURING TESTING

Ralph E. Eschenbach

Person

Patents Grantslast 30 patents

Position determination system for movable objects or personnel usin...

Position determination system for movable objects or personnel

Method and system for providing wide area augmentation system (WAAS...

GPS receiver having improved signal acquisition at a low signal to...

Global positioning system using almanac data for a fast time to fir...

Differential global positioning system using coarse GPS data for a...

GPS receiver having improved signal acquisition at a low signal to...

Method and system for providing wide area augmentation systems (WAA...

Differential global positioning system using almanac data for a fas...

Method and apparatus for collecting, processing and distributing di...

Reduction of time to first fix in an SATPS receiver

Differential global positioning system using almanac data for a fas...

Flexible monitoring of location and motion

GPS based augmented reality collision avoidance system

GPS based augmented reality collision avoidance system

Inexpensive monitoring technique for achieving high level integrity...

Reduction of time to first fix in an SATPS receiver

Precision equivalent landing system using gps and an altimeter

Dual down conversion GPS receiver with single local oscillator

Differential doppler velocity GPS receiver

Global positioning system course acquisition code receiver

Patents Applicationslast 30 patents

Global positioning system using almanac data for a fast time to fir...