Distance measurement method and device and vehicle equipped...

Details Distance measurement method and device and vehicle equipped... Distance measurement method and device and vehicle equipped...

2008-08-06

2010-10-12

Tarcza, Thomas H (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

Triangulation ranging to a point with two or more projected...

C356S003010, C356S003100, C356S003150, C356S004010, C356S004100

Reexamination Certificate

active

07812931

ABSTRACT:
A method for measuring the distance of an object is provided that includes irradiating a plurality of light beams having predetermined wavelengths and then in a first round, picking up an image under irradiation of the plurality of light beams and in another round picking up the image without irradiation using a camera. The difference of the image between the first and other round is fed to an observation region part and to an irradiation angle computing part and then the distance to the object is computed.

REFERENCES:
patent: 6968073 (2005-11-01), O'Boyle et al.
patent: 2003/0209893 (2003-11-01), Breed et al.
patent: 2002-131031 (2002-05-01), None

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