发明授权
- 专利标题： Location confirmation system and information transmitting method for use in the system
- 专利标题（中）： 系统中使用的位置确认系统和信息传输方法
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申请号： US10657102申请日： 2003-09-09
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公开(公告)号： US06957144B2公开(公告)日： 2005-10-18
- 发明人: Takeharu Arakawa , Yuji Koga
- 申请人： Takeharu Arakawa , Yuji Koga
- 申请人地址： JP Tokyo
- 专利权人： Pioneer Corporation
- 当前专利权人： Pioneer Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Sughrue Mion, PLLC
- 优先权： JPP2002-269169 20020913
- 主分类号： G09B29/00
- IPC分类号： G09B29/00 ; G01C21/00 ; G08G1/09 ; G08G1/127 ; G09B29/10 ; H04B7/26 ; H04Q7/34 ; G08G1/13
摘要：
In a location confirmation system, one navigation terminal connects a line to an information center to transmit timing information, and the information center identifies other navigation terminals for exchanging information indicating current locations to transmit the timing information to them. Thereafter, other navigation terminals having received the timing information and one navigation terminal transmit and receive the information indicating each current location at almost equal timing in accordance with the timing information.
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