发明申请
- 专利标题： Vehicle locating unit proof of life subsystem and method
- 专利标题（中）： 车辆定位单元寿命子系统和方法证明
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申请号： US11131848申请日： 2005-05-18
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公开(公告)号： US20060261981A1公开(公告)日： 2006-11-23
- 发明人: Frank Romano , Sampath Krishna , Son Nguyen , Jesse Rhodes , Philip Crewe , Daniel Finchley Cletheroe , Mark Marsden , Steven Greendale , Nigel Watson , Ian Stroud , Timothy Howe , Gerard Smith
- 申请人： Frank Romano , Sampath Krishna , Son Nguyen , Jesse Rhodes , Philip Crewe , Daniel Finchley Cletheroe , Mark Marsden , Steven Greendale , Nigel Watson , Ian Stroud , Timothy Howe , Gerard Smith
- 主分类号： B60R25/10
- IPC分类号： B60R25/10
摘要：
A vehicle locating unit features a receiver which receives a signal from a network of communication sources and a transponder activated when a communication source sends a message to the receiver. There is a transmitter for sending signals to the communication sources and a proof of life subsystem configured to periodically send a proof of life message via the transmitter to the communication sources.
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