Marking apparatus having feedback-controlled rotational laser be

Details Marking apparatus having feedback-controlled rotational laser be Marking apparatus having feedback-controlled rotational laser be

1995-08-07

1996-12-10

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359211, 250234, 250235, G02B 2608

Patent

active

055836852

ABSTRACT:
A rotating laser apparatus having a reciprocating laser scanning system which facilitates visual recognition of a laser beam on an object to be measured by raising an effective energy level on the object. In the apparatus the laser beam is rotated by a rotation device. The reciprocating laser scanning system includes reflection members for reflecting the laser beam, a laser beam detector for detecting a return laser beam reflected from the reflection members, and a microcomputer for controlling a rotation of the rotation device in accordance with the output of the laser beam detector.

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