Issued Patents All Time
Showing 51–75 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8106821 | Methods and apparatuses for use with mode-switchable navigation radio | Dominic Gerard Farmer, Jie Wu, Lalitaprasad V. Daita, Wyatt Thomas Riley | 2012-01-31 |
| 8044853 | Navigation receiver | Liang Zhao, Michael Kohlmann, Paul A. Conflitti, Roger Brockenbrough, Cormac S. Conroy +1 more | 2011-10-25 |
| 7978131 | System and/or method for determining sufficiency of pseudorange measurements | Rizwan Ahmed | 2011-07-12 |
| 7859453 | Multiple radio device having adaptable mode navigation radio | Emilija M. Simic, Timothy Paul Pals | 2010-12-28 |
| 7792222 | Using soft bit decisions to improve DPSK demodulation of SPS data | Kai Tang | 2010-09-07 |
| 7764726 | Systems, methods, and apparatus for jammer rejection | Emilija M. Simic, Christopher Patrick | 2010-07-27 |
| 7684474 | Method and apparatus for demodulating signals processed in a transmit diversity mode | Way-Shing Lee, Thunyachate Ekvetchavit | 2010-03-23 |
| 7657230 | Procedure for detecting interfering multi-path condition | — | 2010-02-02 |
| 7656348 | System and/or method for determining sufficiency of pseudorange measurements | Rizwan Ahmed | 2010-02-02 |
| 7623566 | Method and apparatus for demodulating signals processed in a transmit diversity mode | Way-Shing Lee, Thunyachate Ekvetchavit | 2009-11-24 |
| 7596190 | System, method, and apparatus for correction of code doppler shift | Christopher Patrick, Pillappakkam Srinivas | 2009-09-29 |
| 7580672 | Synthetic path diversity repeater | — | 2009-08-25 |
| 7505757 | Location based service (LBS) system, method and apparatus for triggering of mobile station LBS applications | Kirk Allan Burroughs | 2009-03-17 |
| 7450064 | Methods and systems for deriving seed position of a subscriber station in support of unassisted GPS-type position determination in a wireless communication system | Chang Row, Ann Yun-En Tien, Sanjeev Khushu | 2008-11-11 |
| 7359716 | Location based service (LBS) system, method and apparatus for authorization of mobile station LBS applications | Kirk Allan Burroughs | 2008-04-15 |
| 7292188 | Apparatus and method for CDMA time pseudolite for repeater identification | — | 2007-11-06 |
| 7184463 | Method and apparatus for demodulating signals processed in a transmit diversity mode | Way-Shing Lee, Thunyachate Ekvetchavit | 2007-02-27 |
| 7127011 | Procedure for jammer detection | — | 2006-10-24 |
| 7096132 | Procedure for estimating a parameter of a local maxima or minima of a function | Christopher Patrick | 2006-08-22 |
| 7039418 | Position determination in a wireless communication system with detection and compensation for repeaters | Messay Amerga, Christopher Patrick, Roland Rick, Saed Younis | 2006-05-02 |
| 7016688 | Forward link repeater delay watermarking system | Emilija M. Simic, Christopher Patrick, Luca Blessent, Roland Rick | 2006-03-21 |
| 6903684 | Method and apparatus for optimizing GPS-based position location in presence of time varying frequency error | Emilija M. Simic, Christopher Patrick | 2005-06-07 |
| 6873910 | Procedure for searching for position determination signals using a plurality of search modes | Christopher Patrick | 2005-03-29 |
| 6861980 | Data messaging efficiency for an assisted wireless position determination system | Christopher Patrick | 2005-03-01 |
| 6825805 | Search procedure for position determination system | — | 2004-11-30 |