H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 21/30 (2006.01) H01Q 1/38 (2006.01) H01Q 5/00 (2006.01) H03G 3/30 (2006.01) H03J 5/24 (2006.01)
Patent
CA 2319325
A wide-band self-tuning antenna system for the reception of VHF/UHF signals includes planar antenna elements located on both the surfaces of a printed circuit board and a tuner unit which includes a plurality of matching networks for the respective plurality of bands of frequencies. The planar elements on the respective surfaces of the printed circuit board are substantially identical in shape.
L'invention a pour objet un système d'antennes à accord automatique à large bande pour la réception de signaux VHF/UHF. Ce système comprend des éléments d'antennes planes, placés sur les deux surfaces d'une plaquette de circuits imprimés et un dispositif d'accord qui comprend plusieurs réseaux d'adaptation pour les bandes de fréquences correspondantes. Les éléments plans sur les surfaces correspondantes de la plaquette de circuit imprimé présentent une forme sensiblement identique.
Shui Yi
Tinaphong Prapan Paul
Craig Wilson And Company
Thomson Licensing S.a.
LandOfFree
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