Laser system

Details Laser system Laser system

1999-05-18

2000-08-15

Font, Frank G.

Optics: measuring and testing

Angle measuring or angular axial alignment

Apex of angle at observing or detecting station

356148, G01C 106, G01C 118

Patent

active

061044792

ABSTRACT:
The present invention relates to a laser surveying apparatus capable of forming a measuring reference line and a reference plane by laser light. In the laser surveying apparatus, a mount unit is rotated about a vertical axis, a laser projection unit is rotated about a horizontal axis, a light source applies laser light in a direction parallel to the horizontal axis, a rotating irradiator turnably applies the laser light onto the reference plane, first deflecting means provided in the laser projection unit deflects the laser light in an intersecting direction, and second deflecting means provided in the rotating irradiator deflects the laser light sent from the first deflecting means in an intersecting direction. The first deflecting means comprises a mirror and an image rotator is placed between the mirror and the light source.

REFERENCES:
patent: 4895440 (1990-01-01), Cain et al.
patent: 5784155 (1998-07-01), Ohtomo et al.
patent: 5867263 (1999-02-01), Ohtomo et al.

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