发明名称 Electronic direction technology
摘要 An electronic direction system accesses navigation data describing at least one instance in which a direction was missed during provision of electronic navigation along a route and tracks instances in which directions have been missed based on the accessed navigation data. The electronic direction system accounts for the tracked instances in which directions have been missed in handling provision of future directions.
申请公布号 US8417448(B1) 申请公布日期 2013.04.09
申请号 US20100760527 申请日期 2010.04.14
申请人 DENISE JASON ADAM 发明人 DENISE JASON ADAM
分类号 G01C21/34 主分类号 G01C21/34
代理机构 代理人
主权项
地址