Optical: systems and elements – Deflection using a moving element
Patent
1997-06-09
1999-07-20
Phan, James
Optical: systems and elements
Deflection using a moving element
359197, 359211, 250236, G02B 2608
Patent
active
059263059
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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Kodaira Jun-ichi
Nishizawa Hiroyuki
Ohtomo Fumio
Yoshino Kenichirou
Phan James
Topcon Corporation
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