发明名称 NAVIGATION DEVICE AND NAVIGATION METHOD
摘要 PROBLEM TO BE SOLVED: To provide a navigation device and a navigation method capable of guiding a proper traveling route corresponding to accurate right/left turn difficulty at a front crossing. SOLUTION: This navigation device is equipped with a lane detection means for detecting the number of passable lanes in the traveling direction of own car and the lane where own car is positioned, a congestion degree detection means for detecting the congestion degree of each passable lane in the traveling direction of own car, a determination means for determining the light/left turn difficulty at the front crossing based on the detected number of lanes, the lane and the congestion degree, and a guide means for guiding a traveling route corresponding to the determined light/left turn difficulty. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007017396(A) 申请公布日期 2007.01.25
申请号 JP20050201777 申请日期 2005.07.11
申请人 AISIN AW CO LTD 发明人 YOSHIKAWA KAZUTAKA;NAGASE KENJI;TOMITA HIROSHI
分类号 G01C21/00;G08G1/0969;G09B29/00;G09B29/10 主分类号 G01C21/00
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