发明名称 Portable navigation system comprising direction detector, position detector and database
摘要 A portable information-providing apparatus comprising a position detector, a direction detector, a processor, a memory, and information output device. The position detector provides data of a use's position. The direction detector provides data of a direction as determined by the user. The processor operates to correlate said position and direction data with information of features in the user's surroundings as stored in the memory. The information output device provides the information to the user, the information being related to a feature in the user's surroundings generally along the direction determined by the user.
申请公布号 AU7779198(A) 申请公布日期 1998.12.21
申请号 AU19980077791 申请日期 1998.06.03
申请人 STEPHEN BIDE 发明人 STEPHEN BIDE
分类号 G01C21/00;G01C21/20;G01S1/00;G01S5/14;G01S19/51;G08G1/005;G09B29/00;G09B29/10 主分类号 G01C21/00
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