H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 1/02 (2006.01) H01Q 1/42 (2006.01)
Patent
CA 2390717
The invention relates to a transmitting antenna for navigation systems. Antennae of this type are normally protected against mechanical and chemical atmospheric influences by a radome. Antenna signals received by the monitor probe are, however, corrupted by weather-related accumulations on the radome such as rain, ice or snow. In order to prevent this influence to the greatest possible extent, a combination consisting of a reflector and of an absorption layer is applied to the inside of the radome in the area on which rain, ice or snow is expected to accumulate.
La présente invention concerne une antenne émettrice pour systèmes de navigation. Ces antennes sont en règle générale protégées par un radôme contre les influences mécaniques et chimiques des intempéries. Mais lorsque l'antenne est soumise à la pluie, à la glace ou à la neige, le signal d'antenne reçu par des sondes de surveillance est faussé. Pour éliminer le plus largement possible cette influence, la face interne du radôme est couverte, dans la région exposée aux intempéries, par une combinaison d'un réflecteur et d'une couche absorbante.
Biermann Wolf-Dieter
Franke Erich
Kleiber Herbert
Airsys Navigation Systems Gmbh
Gowling Lafleur Henderson Llp
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