Automatic route control of automobiles - has on board receiver to allow comparison of actual position with that of required route followed by sign activation

A route control unit for automobile use has each vehicle equipped with a receiver that allows a comparison to be made with route information held in memory. Along the route are located a number of transmitters (R) and controlled road signs (V). The continuous comparison of position and required rout...

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Bibliographic Details
Main Authors LJUNGSTROEM,ANDERS,DR, SEITH,WOLFGANG,DR, BECKER,DIETRICH,DR
Format Patent
LanguageEnglish
German
Published 21.12.1978
Edition2
Subjects
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SIGNALLING
SURVEYING
TESTING
TRAFFIC CONTROL SYSTEMS
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Summary:A route control unit for automobile use has each vehicle equipped with a receiver that allows a comparison to be made with route information held in memory. Along the route are located a number of transmitters (R) and controlled road signs (V). The continuous comparison of position and required route produces activation of a sign, by blinking lights etc., to indicate the road to be taken (A, B, C, D or E).
Bibliography:Application Number: DE19772727311