Highway vehicle identification system with high gain antenna

Details Highway vehicle identification system with high gain antenna Highway vehicle identification system with high gain antenna

H - Electricity

01

Q

H01Q 1/12 (2006.01) B61L 25/04 (2006.01) G01S 13/74 (2006.01) G01S 13/78 (2006.01) G01S 13/91 (2006.01) G06K 7/10 (2006.01) G08G 1/017 (2006.01) G01S 13/75 (2006.01)

Patent

CA 2148443

An antenna system for mounting in a roadway comprised of an electrically lossy material. The antenna system has a reflector trough shield filled with a solid dielectric. An antenna, preferably comprised of coaxial cable, is positioned in the reflector trough, which prevents electromagnetic waves radiated by the antenna from being lost into the roadway.

Système d'antenne pour installation sur une route, comprenant un matériau à pertes électriques. Le système est muni d'un écran réflecteur en forme de D rempli d'un diélectrique solide. Une antenne, de préférence pourvue d'un câble coaxial, est placée dans le réflecteur en forme de D, ce qui empêche les ondes électromagnétiques rayonnées par l'antenne de se perdre sur la route.

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