公开(公告)号：US06574548B2

公开(公告)日：2003-06-03

申请号：US10218850

申请日：2002-08-13

申请人： Bruce W. DeKock ,  Kevin L. Russell ,  Richard J Chan

发明人： Bruce W. DeKock ,  Kevin L. Russell ,  Richard J Chan

IPC分类号： G01S502

CPC分类号： G01C21/26 ,  G08G1/0104 ,  G08G1/02 ,  G08G1/042 ,  G08G1/0962 ,  G08G1/096716 ,  G08G1/096741 ,  G08G1/096758 ,  G08G1/096775 ,  G08G1/096783 ,  H04N21/23406 ,  H04N21/44004

摘要： A system for providing traffic information to a plurality of mobile users connected to a network. The system comprises a plurality of traffic monitors, each comprising at least a traffic detector and a transmitter, the traffic detector generating a signal in response to vehicular traffic and the transmitter transmitting the signal. A receiver receives the signals from the traffic monitors. A computer system is connected to the receiver and is further connected to the network. The computer system in response to a request signal received from one of the users transmits in response thereto information representative of the signals transmitted by the traffic monitoring units. Alternative systems for gathering traffic information are disclosed.