Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle
Reexamination Certificate
2006-06-13
2006-06-13
Gregory, Bernarr E. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Radar mounted on and controls land vehicle
C342S118000, C342S128000, C342S165000, C342S173000, C342S175000, C342S195000, C342S196000
Reexamination Certificate
active
07061424
ABSTRACT:
The present invention provides a radar device mounted on a moving object that moves along a continuous plane, having (1) a transceiver part for transmitting a signal having a main lobe in the direction of the movement of the moving object and a side lobe directed towards the continuous plane, that receives a first reflection signal from a target in the direction of the main lobe and a second reflection signal from the continuous plane in the direction of the side lobe, and (2) control processing means for detecting the frequency of a beat signal of the second reflection signal received by the transceiver part and the signal emitted by the transceiver part and for detecting information correlated to the attitude of the radar device with respect to the continuous plane based on that frequency. This enables detection of changes of mounting attitude for the moving object without requiring additional hardware.
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Original Japanese text and English translation of K. Fujimura, “Current Status and Trends of mm-Wave Automotive Radar”, Journal of IEICE, pp. 977-981 (Oct. 1996).
Kuroda Hiroshi
Okai Fumihiko
Takano Kazuaki
Crowell & Moring LLP
Hitachi , Ltd.
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