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Hemisphere GPS Patents


Below is a list of patents which have been awarded to Hemisphere GPS by the relevant Patent Office. To view the patent documents, please click on the patent number.

Patent Number
Title
Grant Date
Country Issued
Multi-Frequency GNSS Receiver Baseband DSP
December 18, 2012
U.S.
Multi-Frequency Antenna Manufacturing Method
November 13, 2012
U.S.
Method and System Using GNSS Phase Measurements for Relative Positioning
September 18, 2012
U.S.
Combined GNSS Gyroscope Control System and Method
September 11, 2012
U.S.
GNSS Superband ASIC with Simultaneous Multi-Frequency Down Conversion
July 10, 2012
U.S.
Antenna Alignment and Monitoring System and Method Using GNSS
May 22, 2012
U.S.
System and Method for Augmenting DGNSS with Internally-Generated Differential Correction
May 8, 2012
U.S.
GNSS-Based Tracking of Fixed or Slow-Moving Structures
March 20, 2012
U.S.
Multiple-Antenna GNSS Control System and Method
March 20, 2012
U.S.
GNSS Antenna with Selectable Gain Pattern, Method of Receiving GNSS Signals and Antenna Manufacturing Method
January 24, 2012
U.S.
Removing Biases in Dual Frequency GNSS Receivers Using SBAS
December 27, 2011
U.S.
Unbiased Code Phase Discriminator
August 16, 2011
U.S.
Tightly Coupled PCB GNSS Circuit and Manufacturing Method
May 24, 2011
U.S.
GNSS Receiver and External Storage Device System and GNSS Data
October 5, 2010
U.S.
Broadband Aperture Coupled GNN Microstrip Patch Antenna
September 30, 2008
U.S.
Portable Reference Station for Local Differential GPS Corrections
July 15, 2008
U.S.
Carrier Track Loop for GNSS Derived Attitude
June 17, 2008
U.S.
Method and System for Synchronizing Multiple Tracking Devices for a Geo-Location System
November 6, 2007
U.S.
Attitude Determination Exploiting Geometry Constraints
November 6, 2007
U.S.
Unbiased Code Phase Estimator for Mitigating Multipath in GPS
June 1, 2004
U.S.
Antenna Coupler
April 15, 2003
U.S.
Ceramic Filter for Use with a Beacon Receiver
December 31, 2002
U.S.
Method and System for GPS and WAAS Carrier Phase Measurements for Relative Positioning
October 22, 2002
U.S.
Relative GPS Positioning Using a Single GPS Receiver with Internally Generated Differential Correction Terms
May 28, 2002
U.S.
Flexible Circuit Antenna and Method Manufacture Thereof
August 29, 2000
U.S.