Communications: directive radio wave systems and devices (e.g. – Aircraft collision avoidance system
Reexamination Certificate
2009-05-22
2011-11-29
Tarcza, Thomas (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Aircraft collision avoidance system
C342S042000, C342S047000, C342S089000, C343S705000, C343S708000
Reexamination Certificate
active
08068052
ABSTRACT:
When an excitation signal is generated from an exciter due to an activation signal generated from a radar control device and is distributed to supply to each antenna sub-module, a combination reception signal is transmitted to a receiver from each antenna sub-module. The receiver takes in the combination reception signal obtained by each sub-module in response to an instruction from the radar control device, a frequency converter converts the combination reception signal into a prescribed frequency band, and a distributed aperture combination circuit performs a beam combination in accordance with a distributed aperture combination algorithm. In this way, a radar apparatus, which is equivalent to an active phased array radar of a large aperture and with high performance, is achieved.
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Nakada Taihei
Satake Yoshiaki
Suzuki Junichiro
Bythrow Peter
Kabushiki Kaisha Toshiba
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Tarcza Thomas
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