About 117 results
https://drivepatents.com/patents/1078419 · 20 Apr 2005
A laser irradiating system, which comprises a leveling unit and a main unit provided on the leveling unit and which forms a reference plane by the laser beam being irradiated from the main unit, characterized in that the main unit comprises a rotating unit...
https://drivepatents.com/patents/1078401 · 20 Apr 2005
A tilt detecting device to be installed in a system where installation position is changed, characterized in that the tilt detecting device comprising at least one bubble tube, a light emitting element having an optical axis perpendicularly crossing an axi...
https://drivepatents.com/patents/1078998 · 30 Mar 2005
The present invention relates to a position detection instrument, and more particularly to a position detection instrument that emits distance measuring light and measuring light to perform three-dimensional measurement of a target position, and that recor...
https://drivepatents.com/patents/1081063 · 5 Jan 2005
The present invention relates to a surveying instrument for measuring the distance to a target to be measured, a horizontal angle, and a vertical angle by use of reflected light. An imager can be connected to the surveying instrument. In addition, an arith...
https://drivepatents.com/patents/1081761 · 8 Dec 2004
A calibrating apparatus for a zoom lens comprising: a first image-acquiring section 60 for acquiring a first image-for-calibration by photographing an area, in which reference marks for calibration are positioned, with a photographic device-to-be-calibrate...
https://drivepatents.com/patents/1081946 · 1 Dec 2004
A three-dimensional field for calibration having a wide-angle area 110 and a zooming area 120 located within an area overlapped with the wide-angle area 110 comprises: a plurality of rough alignment reference marks 122 for zooming and a plurality of precis...
https://drivepatents.com/patents/1083033 · 20 Oct 2004
A surveying instrument, comprising a collimation optical system and a visible laser projecting device with a visible laser light source unit for emitting a point light, wherein the surveying instrument comprises a photodetector for detecting a reflection l...
https://drivepatents.com/patents/1083029 · 20 Oct 2004
An electronically surveying apparatus of the present invention includes a storing portion for storing positional information of a surveying apparatus body and design data; an angle-measuring portion for electronically measuring an angle between a reference...
https://drivepatents.com/patents/1083251 · 13 Oct 2004
A distance-measuring device, comprising a light source unit for emitting a distance-measuring light, a photodetection optical system, a projecting optical system for projecting the distance-measuring light from the light source unit to an object to be meas...
https://drivepatents.com/patents/1084301 · 8 Sep 2004
A preferred shape measuring apparatus comprises a characteristic pattern extracting portion (5) for calculating, in accordance with a pair of first images (51) of a subject (0) for measurement having characteristic patterns serving as references provided t...