Surveying instrument, surveying system, method for detecting...

Details Surveying instrument, surveying system, method for detecting... Surveying instrument, surveying system, method for detecting...

2011-01-04

2011-01-04

Bennett, G. Bradley (Department: 2841)

Geometrical instruments

Straight-line light ray type

Vertical and horizontal angle measurer

C033S290000

Reexamination Certificate

active

07861423

ABSTRACT:
A surveying instrument for measuring three-dimensional position of a measured object, has a detecting section for detecting a direction of the measured object by rotational emission of two or more fan-shaped laser beams in which at least one beam is inclined; an optical system including a tracking-light-emitting section for emitting a tracking light and a distance-measuring-light-emitting section for emitting a distance-measuring light; a tracking-light-receiving section for receiving the tracking light reflected by the measured object; and a driving section for driving the optical system in order to collimate the measured object according to an output of the detecting section and an output of the tracking-light-receiving section.

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