Laser measurement apparatus

Details Laser measurement apparatus Laser measurement apparatus

2006-04-04

2006-04-04

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S203200, C356S141400

Reexamination Certificate

active

07022971

ABSTRACT:
In a laser measurement apparatus capable of measuring a moving object or a designated object to be measured by tracking an object to be tracked and detecting the position of the tracked object as needed, optical signal processing units103through105output laser beams having different wavelengths via a common optical path A toward a corner cube100attached to an object to be measured, and detect the laser beams being reflected on the corner cube100. A control unit102controls motors110, 111so that the laser beams return to a predetermined position of an optical position sensitive detector117of an optical signal processing unit103, by which the direction of a reflecting mirror112is controlled so that the laser beams track the object. The control unit102computes the distance, shape, position, speed etc. of the object to be measured based on signals detected via the optical signal processing units104, 105while having the laser beams output from optical signal processing units104, 105track the object to be tracked.

REFERENCES:
patent: 4516853 (1985-05-01), Pearson
patent: 6734412 (2004-05-01), Kumagai et al.
patent: 2002-082045 (2002-03-01), None
patent: 2002-181533 (2002-06-01), None

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