1
Norimasa Kishi, Masayuki Takada: Vehicle navigation apparatus providing simultaneous forward and rearward views. Nissan Motor, Foley & Lardner, May 9, 1995: US05414461 (521 worldwide citation)

In an apparatus for controllably supplying visual information for a viewer, an optical system including ocular glasses corresponding to right and left eyes of the driver (viewer) is provided so that images on a pair of liquid crystal televisions are introduced to the pair of ocular glasses to provid ...


2
Shinichi Kato, Katsuhiko Mutsuga: Route search and navigation apparatus and storage medium storing computer programs for navigation processing with travel difficulty by-pass. Aisin AW, Lorusso & Loud, August 8, 2000: US06101443 (272 worldwide citation)

The present invention prevents execution of a detour route search, responsive to and in accordance with received VICS data, where certain conditions are not met. To this end, the system of the invention calculates a time RT1 required for a vehicle to move from its present location to a first point w ...


3
Seigo Ito: Position measuring apparatus, position measuring method, navigation apparatus, navigation method, information service method, automotive vehicle, and audio information transmitting and receiving method. Sony Corporation, Jay H Maioli, December 7, 1999: US05999126 (238 worldwide citation)

A position measuring apparatus includes a first position measuring device for position measuring a first position by receiving a first radio wave, a second position measuring device for position measuring a second position by receiving a second radio wave, an evaluating unit for evaluating uncertain ...


4
Yasuo Ito, Naoki Gorai, Takashi Sugawara, Satoshi Kitano: Communications navigation system, and navigation base apparatus and vehicle navigation apparatus both used in the navigation system. KabushikiKaisha Equos Research, Lorusso & Loud, June 19, 2001: US06249740 (220 worldwide citation)

A commucations navigation system in which data is transmitted and received between a navigation base apparatus provided at a navigation base and a vehicle navigation apparatus provided in a vehicle using communication. The vehicle navigation apparatus is adapted to transmit at least data concerning ...


5
Carl E Person: Portable electronic navigation aid. Kenneth A Roddy, November 19, 1991: US05067081 (212 worldwide citation)

A portable electronic navigation apparatus and method utilizes universal latitude and longitude coordinates of geographic points and landmarks for determining current location or a specific destination and the distance and bearing thereof relative to landmark data input by the user. Latitude and lon ...


6
Masaki Kakihara, Masao Sasaki, Yasuyuki Masaki, Tatsuaki Taniguchi, Toshihiko Okamoto, Futoshi Shoji, Keiji Takao: Navigation apparatus for vehicles. Mazda Motor Corporation, Price Heneveld Cooper DeWitt & Litton, March 8, 1994: US05293163 (201 worldwide citation)

A navigation apparatus for vehicles according to the present invention has a display device for displaying road information. The navigation system is designed to selectively display the road information which is close to the current position of the vehicle and/or the demands of the driver from a lar ...


7
Shoji Yokoyama: Route guide system. Kabushikikaisha Equos Research, Lorusso & Loud, August 21, 2001: US06278941 (195 worldwide citation)

In order to enable a location function for telling the present position on a screen as a function usually used when traveling in a known area to be always used by its lone, a navigation apparatus


8
Koichi Endo, Kan Shishido: Navigation apparatus. Alpine Electronics, Honda Giken Kogyo Kabushiki Kaisha, Nikaido Marmelstein Murray & Oram, May 11, 1999: US05902349 (184 worldwide citation)

A navigation apparatus is provided which can search out, even if a vehicle goes off of a guide route, a route which allows the vehicle to return to the guide route so that the travel distance to a destination may be comparatively short. A guide route control unit calculates, when the vehicle is in a ...


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Takashi Yamada: Route searching system of navigation apparatus. Aisin AW, Kabushiki Kaisha Shinsangyokaihatsu, Varndell Legal Group, May 15, 1990: US04926336 (172 worldwide citation)

A route searching system having node data 3 representing information on positions and attributes of the same, intersection data 1 representing information on intersections, road data 2 representing information on roads, and a route searching section 4 for searching for the optimum route from the int ...