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Stanley K Honey, Walter B Zavoli, Kenneth A Milnes, Alan C Phillips, Marvin S White Jr, George E Loughmiller Jr: Vehicle navigational system and method. ETAK, Fliesler Dubb Meyer & Lovejoy, January 3, 1989: US04796191 (162 worldwide citation)

A vehicle navigational system and method for tracking a vehicle, including a programmed computer, sensors for sensing the distance traveled and heading of the vehicle, and a stored map data base identifying a map of an area over which the vehicle is moving, in which the computer calculates and advan ...


2
Stanley K Honey, Kenneth A Milnes, Walter B Zavoli: Apparatus for generating a heading signal for a land vehicle. Etak, Fliesler Dubb Meyer & Lovejoy, March 29, 1988: US04734863 (129 worldwide citation)

Disclosed is an apparatus generating accurate data regarding the heading of a land vehicle as it travels over terrain having changing conditions. The apparatus includes a first sensor means, such as a differential odometer, generating data regarding the relative direction of the vehicle. Also includ ...


3
Walter B Zavoli, Hongche Liu: System for using speech recognition with map data. Tele Atlas North America, Fliesler Dubb Meyer & Lovejoy, July 22, 2003: US06598016 (57 worldwide citation)

A system is disclosed for using speech recognition with map data. For example, a user could state a location. The system will recognize the words spoken and find the location on a map using an electronic map database. The map can be displayed such that the location is depicted. Alternatively, the us ...


4
Walter B Zavoli, Kenneth A Milnes, Glenn R Peterson: Method and apparatus for measuring relative heading changes in a vehicular onboard navigation system. Etak Incorporated, Fliesler Dubb Meyer & Lovejoy, November 29, 1988: US04788645 (52 worldwide citation)

A method and apparatus for measuring relative heading changes in a vehicular onboard navigation system is provided comprising apparatus for providing signals corresponding to differential wheel distance measurements, the velocity and wheel tracking distance of the vehicle. When front wheel distance ...


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Darrell L Mathis, Tsia Kuznetsov, Walter B Zavoli: Non-perspective variable-scale map displays. Tele Atlas North America, Fliesler Meyer, November 30, 2006: US20060267803-A1

Map displays have been an important element in the feature set of in-car navigation systems. Actually, with modem equipment extending such system functionality to personal digital assistants (PDAs) and cellular telephones, virtually all travelers may use and benefit from the present invention. Early ...


7
Walter B Zavoli: System and method for vehicle navigation and piloting including absolute and relative coordinates. Tele Atlas North America, Fliesler Meyer, October 2, 2008: US20080243378-A1

A navigation system for use in a vehicle. The system includes an absolute position sensor, such as GPS, in addition to one or more additional sensors, such as a camera, laser scanner, or radar. The system further comprises a digital map or database that includes records for at least some of the vehi ...


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Walter B Zavoli, Marcin Michal Kmiecik, Stephen T Siobbel, Volker Hiestermann: System and method for map matching with sensor detected objects. Tela Atlas North America, Tela Atlas, Fliesler Meyer, September 10, 2009: US20090228204-A1

A system and method for map matching with sensor detected objects. A direct sensor and object matching technique can be used to disambiguate objects that the driver passes. The technique also makes it possible for the navigation system to refine (i.e. improve the accuracy of) its position estimate. ...


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