Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle
Reexamination Certificate
2011-04-12
2011-04-12
Sotomayor, John B (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Radar mounted on and controls land vehicle
C342S071000, C342S072000, C342S133000, C342S139000, C342S146000, C342S147000
Reexamination Certificate
active
07924214
ABSTRACT:
In an azimuth detecting apparatus, a receiver includes antenna elements arranged at predetermined intervals d. A first signal producer produces, based on reception signals generated by the antenna elements, first signals which are equivalent to signals generated by antenna elements arranged at first intervals d1, d1being an integral multiple of d. A second signal producer produces, based on the reception signals, second signals which are equivalent to signals generated by antenna elements arranged at second intervals d2, d2being an integral multiple of d and greater than d1. A first azimuth detector detects, within a first azimuth detection area whose angular range is defined by d1, the azimuth of the target based on the first signals. A second azimuth detector detects, within a second azimuth detection area whose angular range is defined by d2, the azimuth of the target based on the second signals.
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Office Action dated Apr. 13, 2010 in Japanese Application No. 2008-151668 with English translation thereof.
Office Action dated Dec. 14, 2010, in corresponding Japanese Application No. 2008-151668, and English translation thereof.
Denso Corporation
Harness Dickey & Pierce PLC
Sotomayor John B
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