Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle
Reexamination Certificate
2006-04-07
2009-02-03
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
C342S165000, C342S173000, C343S872000
Reexamination Certificate
active
07486222
ABSTRACT:
An automotive radar device that can securely detect dirt adhering to the surface of a vehicle-side radome irrespective of the positional relation between the vehicle-side radome and a radar. The automotive radar device has a radio-type radar housed in a vehicle-side radome installed on a vehicle, the radio-type radar including a transmitting unit and a receiving unit. The automotive radar device sends and receives radio waves from the radar through the vehicle-side radome and measures distance and relative velocity with respect to a subject. The automotive radar device includes a guiding unit that is arranged between the vehicle-side radome and the radar and that guides a reflected wave from adhering matter on a surface of the vehicle-side radome to the receiving unit of the radar, and an adhering matter judging unit that judges the existence
on-existence of the adhering matter on the surface of the vehicle-side radome on the basis of signal level of the reflected wave received by the receiving unit.
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Translation of JP 2003-207561 to Hachitsuka, Hiroyuki et al.
Galt Cassi
Mitsubishi Denki & Kabushiki Kaisha
Sughrue & Mion, PLLC
Tarcza Thomas H
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