Vehicle navigation devices comprising a map database are disclosed. The map database includes information (42, 43) relating to additional road information icons which may serve to differentiate different roads having the same road number.
申请公布号
CA2767495(A1)
申请公布日期
2012.09.01
申请号
CA20122767495
申请日期
2012.02.08
申请人
HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH
发明人
SPINDLER, C.C.;WELSCHER, JUERGEN;SCHUETZ, SIMON;IVANOV, VLADIMIR;FISCHER, MARTIN
