Vehicular direction guidance system, particularly for interchange of information between road mounted units and vehicle mounted equipment
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 17, 1981
Grant Date -
N/A
app pub date -
Jul 12, 1977
filing date -
Jul 14, 1976
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A circuit is provided to detect the direction of movement of the vehicle with respect to a fixed road mounted loop, which can then extend over opposing lanes of a highway network, the direction detecting equipment being mounted either on the vehicle, or connected to the road mounted unit so that correct destination guidance information can be transmitted to vehicles passing a loop embedded in the roadway upon transmitting from the vehicle to the roadway a target or destination code.
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