Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2006-05-30
2006-05-30
Camby, Richard M. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C701S209000, C340S995270
Reexamination Certificate
active
07054745
ABSTRACT:
A method and system for generating driving directions composes computer-based instructions that emulate a human driving perspective. Language-based instructions guide a driver along a route that encompasses a sequence of roads and intersections. An algorithm applies rules based on human perception to route components. The algorithm diagnoses road name changes so that instructions are clear and concise. The algorithm analyzes road and intersection geometry at confusing areas, such as road forks, roundabouts, ferry crossings, cloverleaf interchanges, and ramps, to generate instructions that conform to a driver's natural perspective. The algorithm analyzes the configuration of an intersection with respect to a driver's field of view to compose a clear and concise instruction. When appropriate, the algorithm produces compound instructions for adjacent intersections.
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MapQuest website; MapQuest: Driving Directions: North America; copyright 2003 MapQuest.com, Inc.; http://www.mapquest.com/directions/.
MapQuest website; MapQuest: Driving Directions: North America; Driving Directions between DeKalb Peachtree Airport and Kennesaw Civil War Museum; copyright 2003 MapQuest.com, Inc.; output from website listed as reference AP of this page.
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ViaMichelin website; ViaMichelin—Driving Directions; itinerary between Hamburg and Paris; copyright 2001 Michelin; output from website listed as reference AS of this form.
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Rand McNally website; copyright 2003 randmcnally.com inc.; http://www.randmcnally.com/rmc/directions/dirGetDirectionsInput.jsp?BV—SessionID=@@@@0361101590.1057856914@@@@&BV—EngineID=cccdadcikgllhlecgencfhjdfiidfin.0&cmty=0.
Rand McNally website; Rand McNally—Get Directions; copyright 2003 randmcnally.com inc; Atlanta Harstfield Airport Atlanta, GA to Stone Mountain, GA; output from website listed as reference AW of this form.
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Couckuyt Jeffrey Darren
Vance Amos Dylan
Camby Richard M.
Merchant & Gould
Microsoft Corporation
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