G - Physics – 08 – G
Patent
G - Physics
08
G
343/12, 343/19,
G08G 1/127 (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 2030913
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.
Brockelsby William K.
Gillis Donald P.
Hryciuk Michael L.
Walker Conrad M.b.
Canadian National Railway Company
Smart & Biggar
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