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Systems and methods for a navigational device with forced layer switching based on memory constraints Grant 6,898,520 - Kao , et al. May 24, 2 | 2005-05-24 |
System and method for calculating a navigation route based on non-contiguous cartographic map databases App 20050102101 - Beesley, Darin J. ;   et al. | 2005-05-12 |
System and method for estimating impedance time through a road network App 20050090976 - Beesley, Darin J. ;   et al. | 2005-04-28 |
Systems and methods for a navigational device with forced layer switching based on memory constraints App 20050065718 - Kao, Min H. ;   et al. | 2005-03-24 |
Systems, functional data, and methods for generating a route Grant 6,856,900 - Childs , et al. February 15, 2 | 2005-02-15 |
System and method for estimating impedance time through a road network Grant 6,856,893 - Beesley , et al. February 15, 2 | 2005-02-15 |
Guidance with feature accounting for insignificant roads Grant 6,847,890 - Childs , et al. January 25, 2 | 2005-01-25 |
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Systems and methods for a navigational device with forced layer switching based on memory constraints App 20040215391 - Kao, Min H. ;   et al. | 2004-10-28 |
Systems, functional data, and methods to pack n-dimensional data in a PDA Grant 6,799,115 - Childs , et al. September 28, 2 | 2004-09-28 |
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System and method for estimating impedance time through a road network App 20040049338 - Beesley, Darin J. ;   et al. | 2004-03-11 |
System and method for estimating impedance time through a road network Grant 6,704,645 - Beesley , et al. March 9, 2 | 2004-03-09 |
Systems and methods for a PDA with forced layer switching based on memory constraints Grant 6,694,256 - Childs , et al. February 17, 2 | 2004-02-17 |
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System and method for compressing data Grant 6,650,996 - Beesley , et al. November 18, 2 | 2003-11-18 |
Systems and methods for a navigational device with forced layer switching based on memory constraints Grant 6,581,003 - Childs , et al. June 17, 2 | 2003-06-17 |
System and method for calculating a navigation route based on adjacent cartographic map databases Grant 6,574,553 - Beesley , et al. June 3, 2 | 2003-06-03 |
System and method for calculating a navigation route based on non-contiguous cartographic map databases Grant 6,574,554 - Beesley , et al. June 3, 2 | 2003-06-03 |
Method and apparatus for backtracking a path Grant 6,459,987 - Krull , et al. October 1, 2 | 2002-10-01 |
System and method for packing spatial data in an R-tree Grant 6,252,605 - Beesley , et al. June 26, 2 | 2001-06-26 |
Use of desired orientation in automotive navigation equipment Grant 6,222,485 - Walters , et al. April 24, 2 | 2001-04-24 |
Method and apparatus for storing cartographic route data Grant 6,188,955 - Robinson , et al. February 13, 2 | 2001-02-13 |
Calculation of estimated time of arrival (ETA) based on thoroughfare classification and driving history Grant 6,144,917 - Walters , et al. November 7, 2 | 2000-11-07 |
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Method and apparatus for geographic coordinate data storage Grant 5,995,970 - Robinson , et al. November 30, 1 | 1999-11-30 |