H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 15/00 (2006.01) H03H 11/00 (2006.01) H04B 1/10 (2006.01) H04B 1/12 (2006.01) H04B 1/707 (2006.01) H04L 1/00 (2006.01)
Patent
CA 2291868
An interference canceling device comprising a flat phase IF narrow band BPF. A signal which hay been branched from a signal on the main line is filtered by the BPF and is recombined with the signal on the main line. Phase rotation caused by frequency separation from the pass band center frequency does not occur because the phase characteristics of the BPF are substantially flat in the pass band. Thus, interference existing not only in a pin-point frequency, but over a band of frequencies can be cancelled.
Honda Tamaki
Morita Hiroshi
Sakamoto Hironori
Sanpei Tomohiro
Yamashita Kazuo
Gowling Lafleur Henderson Llp
Japan Radio Co. Ltd.
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