Inventor
CHILDS MICHAEL
US32 patents
⚠️ This page may combine multiple inventors who share the name “CHILDS MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GARMIN LTD
29 patentsUS7206692B2Apr 17, 2007
System and method for estimating impedance time through a road network
GARMIN LTD60 citations98
US6909965B1Jun 21, 2005
System and method for creating and organizing node records for a cartographic data map
GARMIN LTD75 citations98
US6687615B1Feb 3, 2004
Navigation system, method and device with detour algorithm
GARMIN LTD88 citations98
US7062378B2Jun 13, 2006
Portable navigation system and device with audible turn instructions
GARMIN LTD68 citations97
US7120539B2Oct 10, 2006
Navigation system, method and device with detour algorithm
GARMIN LTD60 citations96
US6999873B1Feb 14, 2006
Navigation system, method and device with detour algorithm
GARMIN LTD59 citations96
US6898520B2May 24, 2005
Systems and methods for a navigational device with forced layer switching based on memory constraints
GARMIN LTD35 citations96
US6775612B1Aug 10, 2004
Navigation PDA and method with optimal antenna placement
GARMIN LTD41 citations96
US6708112B1Mar 16, 2004
System and method for calculating a navigation route based on adjacent cartographic map databases
GARMIN LTD67 citations96
US6704645B1Mar 9, 2004
System and method for estimating impedance time through a road network
GARMIN LTD67 citations96
US6574553B1Jun 3, 2003
System and method for calculating a navigation route based on adjacent cartographic map databases
GARMIN LTD72 citations96
US6574554B1Jun 3, 2003
System and method for calculating a navigation route based on non-contiguous cartographic map databases
GARMIN LTD60 citations96
US6545637B1Apr 8, 2003
Systems and methods for a navigational device with improved route calculation capabilities
GARMIN LTD58 citations96
US7043362B2May 9, 2006
PDA with integrated address book and electronic map waypoints
GARMIN LTD79 citations95
US6839624B1Jan 4, 2005
System and method for compressing data
GARMIN LTD61 citations95
US7409288B1Aug 5, 2008
Portable navigation system and device with audible turn instructions
GARMIN LTD14 citations92
US7283905B1Oct 16, 2007
System and method for estimating impedance time through a road network
GARMIN LTD29 citations92
US7184886B1Feb 27, 2007
Navigation system, method and device with detour algorithm
GARMIN LTD34 citations92
US6980906B2Dec 27, 2005
Systems and methods for a navigational device with forced layer switching based on memory constraints
GARMIN LTD15 citations92
US6975940B1Dec 13, 2005
Systems, functional data, and methods for generating a route
GARMIN LTD36 citations92
US6856893B2Feb 15, 2005
System and method for estimating impedance time through a road network
GARMIN LTD26 citations92
US6856900B1Feb 15, 2005
Systems, functional data, and methods for generating a route
GARMIN LTD26 citations92
US6847890B1Jan 25, 2005
Guidance with feature accounting for insignificant roads
GARMIN LTD28 citations92
US6675093B1Jan 6, 2004
Systems, functional data, and methods for generating a route
GARMIN LTD32 citations92
US6650996B1Nov 18, 2003
System and method for compressing data
GARMIN LTD30 citations92
US6581003B1Jun 17, 2003
Systems and methods for a navigational device with forced layer switching based on memory constraints
GARMIN LTD16 citations92
US6856899B2Feb 15, 2005
Systems and methods for a navigational device with improved route calculation capabilities
GARMIN LTD11 citations82
US7269508B1Sep 11, 2007
Guidance with feature accounting for insignificant roads
GARMIN LTD4 citations74
US6647337B1Nov 11, 2003
Navigation system, method and device for labeling thoroughfares
GARMIN LTD7 citations73