H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 1/00 (2006.01) H01Q 9/28 (2006.01) H04B 1/52 (2006.01) H04B 7/15 (2006.01)
Patent
CA 2049615
ABSTRACT OF THE DISCLOSURE A radio relay system which comprising an external conductor, a first antenna installed on the external conductor for transmitting and receiving a first radio carrier wave, a second antenna installed on the external conductor for transmitting and receiving a second radio carrier wave, a skirt provided around the second antenna, the skirt having a length equal to a quarter of the wavelength of the second radio carrier signal, and a relay device which includes a branching filter for extracting a part of the second radio carrier wave as a carrier wave, an adjusting unit for adjusting the amplitude and phase of the carrier wave extracted by the branching filter, and a combining unit for combining the carrier wave extracted by the branching filter with the second radio carrier wave received through the first antenna, and the relay device transmitting as the second radio carrier through the second antenna the first radio carrier wave received through the first antenna. - 46 -
Ishizaki Yasuhiro
Kawano Minori
Komatsu Fumiaki
Kuroda Eiichi
Kuroiwa Hiroyuki
Mitsubishi Denki Kabushiki Kaisha
Riches Mckenzie & Herbert Llp
LandOfFree
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