Laser measurement apparatus

Details Laser measurement apparatus Laser measurement apparatus

2007-03-27

2007-03-27

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

For light transmission or absorption

Of fluent material

Reexamination Certificate

active

10823166

ABSTRACT:
A laser measurement apparatus for carrying out measurement using a laser beam that is capable of performing various types of measurement with a simple structure is provided. Optical signal processing units103, 104, 105output laser beams λ1, λ2, λ3having different wavelengths via a common optical path A toward an object to be measured, and detect the laser beams being reflected by a corner cube100attached to the object to be measured. A control unit102controls motors110, 111so that the laser beams return to a predetermined position of a optical position sensing device117of an optical signal processing unit103, according to which the direction of a reflecting mirror112is controlled so that the laser beams follow the object. The control unit102computes the distance to the object, or the shape, position, speed etc. of the object based on signals detected at the optical signal processing units104, 105.

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European Search Report for corresponding Application No. 04009983.0 dated May 3, 2005.

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