发明授权
- 专利标题： Route guidance apparatus, route guidance method, and program
- 专利标题（中）： 路线引导装置，路线指导方法和程序
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申请号： US13571497申请日： 2012-08-10
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公开(公告)号： US08706412B2公开(公告)日： 2014-04-22
- 发明人: Kiyofumi Tabata
- 申请人： Kiyofumi Tabata
- 申请人地址： JP
- 专利权人： JVC Kenwood Corporation
- 当前专利权人： JVC Kenwood Corporation
- 当前专利权人地址： JP
- 代理机构： Cantor Colburn LLP
- 优先权： JP2011-175830 20110811; JP2012-130517 20120608
- 主分类号： G01C21/00
- IPC分类号： G01C21/00 ; G01C21/28
摘要：
A communication controller transmits current location information of a subject apparatus to another pre-registered apparatus, and receives current location information of the another pre-registered apparatus. A location relationship determiner determines whether the subject apparatus precedes the another apparatus in a heading direction. An operation mode determiner operates the subject apparatus as a main device when it is determined that the subject apparatus precedes the another apparatus in the heading direction, and operates the subject apparatus as a sub device when it is determined that the subject apparatus does not precede the another apparatus in the heading direction. A function selector activates a function of transmitting heading direction information to the another apparatus when the subject apparatus is determined to be a main device, and activates a function of receiving the heading direction information from a main device when the subject apparatus is determined to be a sub device.
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