Optical: systems and elements – Deflection using a moving element
Patent
1998-05-08
2000-03-14
Schuberg, Darren E.
Optical: systems and elements
Deflection using a moving element
359211, 356247, 356358, G02B 2608
Patent
active
060380500
ABSTRACT:
A laser generator is provided having a rotating scanner head within which a target is mounted. The target is a position sensitive cell which is used to buck the laser generator into a pre-determined reference plane. The laser generator is used in conjunction with passive reflectors which do not need any circuitry to be operated. In operation, the laser generator scans a generated laser beam to define a laser plane. The reflectors are disposed to define the reference plane. As the generated laser beam impinges upon a reflector, the laser is re-directed back to the scanning head where it impinges upon the target. The impingement upon the target indicates the relative position and angular orientation relative to the reflector. In response to acquired data, the position and angular orientation of the laser generator may be adjusted to be aligned with all of the reflectors, resulting in the scanned laser plane being bucked into the reference plane.
REFERENCES:
patent: 4593967 (1986-06-01), Haugen
patent: 5307368 (1994-04-01), Hamar
patent: 5610711 (1997-03-01), Rando
Casella Anthony J.
Hamar Laser Instruments, Inc.
Hespos Gerald E.
Schuberg Darren E.
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