1
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 ...


2
Nimura Mitsuhiro C O Aisin Aw, Yokoyama Shoji C O Aisin Aw Co, Sumiya Koji C O Aisin Aw Co Lt, Moroto Shuzo C O Aisin Aw Co L: Vehicular navigation apparatus with help function.. Aisin AW, Shinsangyo Kaihatsu, July 5, 1989: EP0323246-A2 (19 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 (1) having desired destination input means (6), present position input means (7) and help function input means (9), a memory unit ( ...