Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate
2007-09-18
2007-09-18
Tarcza, Thomas H. (Department: 3662)
Optics: measuring and testing
Range or remote distance finding
With photodetection
C356S004020, C356S004100
Reexamination Certificate
active
10868910
ABSTRACT:
An object recognition apparatus for vehicles is provided which is equipped with a radar. The apparatus is designed to detect adhesion of any dirt to the radar which will disturbs emission of radar waves to and reception radar echoes from a target. When the number of radar waves is great which cause the times required by the radar waves to travel to and return from a target to be measured as being shorter than a predetermined period of time and the intensities of the radar returns to be greater than a predetermined value, it is determined that the dirt is adhered to the radar, thereby improving the accuracy of detecting the adhesion of dirt to the radar.
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Notification of Reasons for Rejection from Japanese Patent Office issued on Mar. 7, 2006 for the corresponding Japanese patent application No. 2003-176820 (a copy and English translation thereof).
Office Communication dated Oct. 18, 2006 issued from Japanese Patent Office for a counterpart application No. 2003-176820.
Hoashi Yoshiaki
Hyodo Tadashi
Nozawa Toyohito
Samukawa Yoshie
Shimamoto Mamoru
DENSO CORPORATION
Posz Law Group , PLC
Ratcliffe Luke D.
Tarcza Thomas H.
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