1
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 ...


2
Yasuhiro Toyama, Takashi Yamada: Navigation apparatus for vehicle. Aisin AW, Kabushiki Kaisha Shinsangyokaihatsu, Lorusso & Loud, July 14, 1992: US05130709 (144 worldwide citation)

A navigation apparatus for a vehicle according to the present invention is designed to compare the distance from the previous intersection or feature to a further feature with the value from an odometer (2) and then to forcibly zero the remaining distance to the further feature when the difference b ...


3
Shuzo Moroto, Shoji Yokoyama, Mitsuhiro Nimura, Akimasa Nanba, Takashi Yamada, Koji Sumiya: Display system in navigation apparatus. Aisin AW, Kabushiki Kaisha Shinsangyokaihatsu, Lorusso & Loud, June 9, 1992: US05121326 (125 worldwide citation)

A display system in a navigation apparatus according to the invention has course searching means (13) for searching out an optimum course based on position information, node data (21), intersection data (19) and road data (23), and scale ratio setting means (15), wherein the scale ratio of a display ...


4
Mitsuhiro Nimura, Shoji Yokoyama, Koji Sumiya, Shuzo Moroto: Vehicular navigation apparatus with help function. Aisin AW, Kabushiki Kaisha Shinsangyokaihatsu, Varndell Legal Group, February 12, 1991: US04992947 (120 worldwide citation)

A vehicular navigation apparatus, which is equipped with a help function, for outputting guidance information for travel to a desired destination includes an input unit having desired destination input means, present position input means and help function input means, a memory unit for storing desir ...


5
Takashi Yamada: Route end node series preparing system of navigation apparatus. Aisin AW, Kabushiki Kaisha Shinsangyokaihatsu, Vardell Legal Group, June 26, 1990: US04937753 (116 worldwide citation)

Disclosed is a system for preparing a route end node series which is equipped with a route search means 7 for preparing a node series, an intersection series or a combination of both as the data series for navigation, and a route end node series preparing means 3 for preparing the node series from t ...


6
Mitsuhiro Nimura, Shoji Yokoyama, Koji Sumiya, Shuzo Moroto, Kiyohide Kato: Navigation apparatus with non-volatile memory for return to initial departure point. Aisin AW, Kabushiki Kaisha Shinsangyokaihatsu, Lorusso & Loud, July 27, 1993: US05231584 (114 worldwide citation)

A navigation apparatus has an input unit (1), a CPU (2), a display unit (3) and a memory unit (4), the memory unit (4) being a memory such as a CD-ROM in which network data of geographical points, namely destinations and present locations, and information are stored in advance. Also stored are map d ...


7
Takashi Yamada, Mitsuhiro Nimura, Yasuhiro Toyama, Shoji Yokoyama: Route exploration method of navigation apparatus. Aisin AW, Kabushiki Kaisha Shinsangyokaihatsu, Lorusso & Loud, December 1, 1992: US05168452 (104 worldwide citation)

In a navigation apparatus for setting a route from a designated departure point to a destination and providing guidance along the route, there are provided, as map data used in route exploration, node data [FIG. 15(b)] comprising position information and information relating to the attributes thereo ...


8
Shuzo Moroto, Masao Kawai, Shoji Yokoyama, Koji Kobayashi, Koji Sumiya: Navigation system. Aisin A W, Kabushiki Kaisha Shinsangyokaihatsu, Varndell Legal Group, September 4, 1990: US04954959 (102 worldwide citation)

A first external storage device which may be a CD stores data representing standard map of a particular area and that required for guidance, and a second external storage device which may be an IC card stores individual data which cannot be complemented by said data representing the standard map and ...


9
Yukihiro Minezawa: Battery state monitoring apparatus. Aisin AW, Kabushiki Kaisha Shinsangyokaihatsu, Varndell Legal Group, August 7, 1990: US04947123 (89 worldwide citation)

A battery state monitoring apparatus determines the remaining life of a battery, which is used by being repeatedly charged and discharged, upon taking into account the charging/discharging characteristic of the battery and the surrounding temperature, thereby making it possible to ascertain the rema ...


10
Shuzo Moroto, Takashi Yamada: Navigation apparatus. Aisin AW, Kabushiki Kaisha Shinsangyokaihatsu, Lorusso & Loud, March 2, 1993: US05191532 (83 worldwide citation)

A navigation apparatus, in which guidance information for travel to a desired destination is outputted upon inputting the desired destination, has an input unit for inputting a desired destination, a memory unit for storing guidance information and destination information, and a display unit for out ...