Invention Grant
- Patent Title: Route guidance system and route guidance method
- Patent Title (中): 路线引导系统和路线指导方法
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Application No.: US11992842Application Date: 2006-11-29
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Publication No.: US08175800B2Publication Date: 2012-05-08
- Inventor: Takaaki Nakayama , Shino Oonishi , Kensuke Takeuchi , Daisuke Tanizaki , Kiyohide Kato
- Applicant: Takaaki Nakayama , Shino Oonishi , Kensuke Takeuchi , Daisuke Tanizaki , Kiyohide Kato
- Applicant Address: JP
- Assignee: Aisin AW Co., Ltd.
- Current Assignee: Aisin AW Co., Ltd.
- Current Assignee Address: JP
- Agency: Bacon and Thomas, PLLC
- Priority: JP2005-346668 20051130
- International Application: PCT/JP2006/323831 WO 20061129
- International Announcement: WO2007/063906 WO 20070607
- Main IPC: G01C21/34
- IPC: G01C21/34

Abstract:
A route guidance system includes a current position detection section, a route search section, and a guidance section. The guidance section includes a branch computation section computes the number of branches between a host vehicle location and a guidance location along a specified route. A point guidance section executes route guidance based on the computed number of the branches. The number of branches between the host vehicle location and the guidance location is computed, and the route guidance is executed based on the computed number of the branches, so it is possible to recognize the guidance location simply by counting the number of the branches, regardless of the number of traffic signals that exist between the host vehicle location and the guidance location.
Public/Granted literature
- US20090319171A1 Route Guidance System and Route Guidance Method Public/Granted day:2009-12-24
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