This disclosure generally relates to signage and sensing schemes for roadways and particularly relates to passive in-vehicle sensing of signages coded on or embedded in road surface or pavement for enhancing roadway safety. In some example implementations, an array of sensors may be arranged in a vehicle. These sensors may be configured to interact with electromagnetic signatures of surface signages to generate detected waveforms, which may be analyzed to generate instructions or warnings to the drivers of the vehicle for altering unsafe driving maneuvers or for responding to upcoming work zones. Various instructions (e.g., slow-down instructions, merging instructions, and the like) or warning information may be associated with features spatially coded in the surface signages patterned on or embedded in the surfaces of the pavement over the roadway. These signages may be designed for construction work zone safety. These signages, for example, may be patterned using electromagnetic materials with local magnetic field and or electric field that can be detected and spatially resolved by the in-vehicle sensors via short-range electromagnetic induction and interactions. Such signage patterns may be formed by spatially arranged strips of such an electromagnetic material.


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    Title :

    Passive In-Vehicle Sensing of Pavement Signage Coded on Roadways


    Contributors:

    Publication date :

    2025-06-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE , Zusätzliche Baumaßnahmen, wie die Ausstattung von Straßen oder die bauliche Ausbildung von Bahnsteigen, Landeplätzen für Hubschrauber, Wegweisern, Schneezäunen oder dgl.



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