Number | Date | Country | Kind |
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5-110351 | May 1993 | JPX |
Number | Name | Date | Kind |
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4796189 | Nakayama et al. | Jan 1989 | |
4937753 | Yamada | Jan 1990 | |
5031104 | Ikeda et al. | Jul 1991 | |
5177685 | Davis et al. | Jan 1993 | |
5187667 | Short | Feb 1993 | |
5204817 | Yoshida | Apr 1993 | |
5272638 | Martin et al. | Dec 1993 |
Number | Date | Country |
---|---|---|
0346492 | Dec 1989 | EPX |
3905493 | Aug 1990 | DEX |
Entry |
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Motorola Technical Developments, vol. 13, Jul. 1991, Schaumburg, Ill., U.S. pp. 58-59, A. M. Kirson "Route Planning System with User Selectable Preferences". |
6th Mediterranean Electrotechnical Conference; 22-24 May 1991, IEEE US, pp. 888-891, de Diego, et al. "A Decentralized Dynamic Route Guidance System." |