Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle
Reexamination Certificate
2006-04-04
2006-04-04
Tarcza, Thomas H. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Radar mounted on and controls land vehicle
C342S195000, C342S196000
Reexamination Certificate
active
07023376
ABSTRACT:
The invention provides a radar that transmits a radio wave and receives an echo of the radio wave, which is characterized by possessing (1) a reception means that detects a beat signal of the echo and the radio wave, (2) a first frequency analysis means that analyzes the beat signal into frequency components, and detects a peak signal of frequency spectra obtained thereby, and (3) a second frequency analysis means that analyzes the beat signal into frequency components with a frequency resolution different from that of the first frequency analysis means, and detects a peak signal of frequency spectra obtained thereby.
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Kuroda Hiroshi
Nakamura Mitsuru
Takano Kazuaki
Alsomiri Isam
Crowell & Moring LLP
Hitachi , Ltd.
Tarcza Thomas H.
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