Laser surveying apparatus

Details Laser surveying apparatus Laser surveying apparatus

2006-10-11

2008-11-25

Guadalupe-McCall, Yaritza (Department: 2841)

Geometrical instruments

Straight-line light ray type

Level

Reexamination Certificate

active

07454842

ABSTRACT:
A laser surveying apparatus includes: a laser light source configured to emit a laser light flux; a laser projector supported tiltably and configured to rotatably irradiate the laser light flux emitted from the laser light source; a mechanism tiltably supporting the laser projector; tilting arms extending in an X-direction and a Y-direction substantially perpendicular to the laser projector; a tilt driving section provided to at least one of the tilting arms configured to drive corresponding at least one of the tilting arms; detectors provided to each of the tilting arms and each configured to detect a movement amount of the corresponding one of the tilting arms, and an arithmetic section configured to calculate an inclination of the laser projector in the X-direction and the Y-direction from each of the movement amounts of the tilting arms detected by the corresponding detectors.

REFERENCES:
patent: 6848188 (2005-02-01), Tacklind et al.
patent: 7360314 (2008-04-01), Haijima et al.
patent: 2008/0110037 (2008-05-01), Hayase et al.
patent: 06-026861 (1994-02-01), None

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