Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate
2007-06-05
2007-06-05
Tarcza, Thomas H. (Department: 3662)
Optics: measuring and testing
Range or remote distance finding
With photodetection
C356S004010, C356S005010
Reexamination Certificate
active
11169743
ABSTRACT:
An environment recognition system recognizes a substance moving in relative thereto, with using a modulated beam. A beam emitting means emits a beam. A beam scanning means scans the beam. A beam receiving means detects the beam reflected from the substance. Upon basis of the signal received by the beam receiving means, a distance measuring means obtains a distance image. Comparing plural numbers of the images obtained by the distance measuring means, a distortion removal means removes distortion of the substance contained within the distance image.
REFERENCES:
patent: 6246468 (2001-06-01), Dimsdale
patent: 2002-55158 (2002-02-01), None
patent: 2002-368720 (2002-12-01), None
Crowell & Moring LLP
Hitachi , Ltd.
Ratcliffe Luke
Tarcza Thomas H.
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