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Takao Fujii, Toshihiro Hamahata: Vehicle mounted navigation system with preview function. Zexel USA Corporation, Morrison Law Firm, August 6, 1996: US05544060 (113 worldwide citation)

A navigation system for a vehicle enables an operator to know a calculated optimal path from a starting point to a destination before departure. After the optimal path is calculated, a preview function allows the operator to sequentially view the calculated optimal path either prior to departure or ...


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Hidekazu Oshizawa, Tatsuhiko Abe: Vehicle-mounted navigation system. Zexel Corporation, Thomas R Morrison, George J Brandt Jr, May 9, 1995: US05414630 (36 worldwide citation)

A vehicle-mounted navigation system initially computes an optimal route from a starting point to a destination. A microcomputer computes the total distance the vehicle has travelled from a signal obtained from an axle sensor and computes the bearing of the vehicle (azimuth) from a signal obtained fr ...


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Yamauchi Kenji: Vehicle-mounted navigation system, its control method, and control program. Clarion, October 4, 2007: JP2007-256137 (9 worldwide citation)

PROBLEM TO BE SOLVED: To smoothly transfer guidance to destinations from a vehicle-mounted navigation system to a cellular phone.SOLUTION: The vehicle-mounted navigation system for performing route guidance from a starting location to a destination is provided with both a communication means 3 for t ...


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Endo Yoshinori, Amaya Shinichi, Sumizawa Tsuguo: Pathway search method and traffic information display method of navigation system. Xanavi Informatics, August 26, 2004: JP2004-239741 (6 worldwide citation)

PROBLEM TO BE SOLVED: To retrieve a recommended pathway by using traffic information collected in the past.SOLUTION: In a map/statistical traffic data storage 3, map data including link data of each link which constitutes a road on a map, and statistical data which are classified for every retrieval ...


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Takehara Yozo: Vehicle-mounted navigation system, guidance information providing method, and program. Pioneer Electronic, September 13, 2007: JP2007-232573 (5 worldwide citation)

PROBLEM TO BE SOLVED: To provide a vehicle-mounted navigation system capable of notifying a driver of information on traffic lights present in a via-point in the vicinity of the via-point on a guidance route.SOLUTION: The vehicle-mounted navigation system is provided with a storage part for storing ...


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Kimura Takeshi: Map data delivery method. Alpine Electronics, December 16, 2004: JP2004-354149 (5 worldwide citation)

PROBLEM TO BE SOLVED: To provide a map data delivery method capable of automatically notifying users of the presence or absence of map data updates on roads used by the user and on their peripheral regions and providing the update map data on the regions required by the user.SOLUTION: A vehicle-moun ...


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Kimura Takeshi: Travel track display method of vehicle-mounted navigation system. Alpine Electronics, October 14, 2004: JP2004-286496 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide a travel track display method of a vehicle-mounted navigation system which makes travel tracks easily viewable and stores a large number of travel tracks in a small storage capacity.SOLUTION: When a vehicle passes through a location corresponding to a point of inters ...