Issued Patents All Time
Showing 151–168 of 168 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784834 | Method for performing positioning and an electronic device | Niilo Torsten Sirola | 2004-08-31 |
| 6771211 | Method, system and devices for positioning a receiver | Harri Valio, Ilkka Kontola | 2004-08-03 |
| 6768451 | Method for determining the correlation between a received beacon signal and a reconstructed signal | David Akopian | 2004-07-27 |
| 6748202 | Method, apparatus and system for synchronizing a cellular communication system to GPS time | Harri Valio | 2004-06-08 |
| 6714159 | Method for performing positioning and an electronic device | Kimmo Alanen | 2004-03-30 |
| 6678510 | Method, apparatus and system for GPS time synchronization using cellular signal bursts | Harri Valio, Kimmo Alanen | 2004-01-13 |
| 6646596 | Method, system and devices for positioning a receiver | Seppo Turunen | 2003-11-11 |
| 6618006 | Method for defining the error of reference time and an electronic device | — | 2003-09-09 |
| 6618690 | Generalized positioning system based on use of a statistical filter | — | 2003-09-09 |
| 6609080 | Multiple-model navigation filter with hybrid positioning | — | 2003-08-19 |
| 6583759 | Method for determining a position, a positioning system, and an electronic device | Samuli Pietila | 2003-06-24 |
| 6570533 | Method for determining the phase of information, and an electronic device | Harri Valio | 2003-05-27 |
| 6535833 | Method and apparatus for filtering measurements used in a generalized positioning system | — | 2003-03-18 |
| 6476762 | Method for performing positioning and an electronic device | Harri Valio | 2002-11-05 |
| 6473694 | Method, apparatus and system for estimating user position with a satellite positioning system in poor signal conditions | David Akopian | 2002-10-29 |
| 6466164 | Method and apparatus for calculating pseudorange for use in ranging receivers | David Akopian | 2002-10-15 |
| 6459407 | Cross-correlation system for time recovery in network-assisted GPS positioning | David Akopian | 2002-10-01 |
| 6417800 | Method for determining reference time error and an electronic device | Harri Valio | 2002-07-09 |