About 14 results
https://drivepatents.com/patents/966315 · 17 Dec 2014
A calibration method and a distance measurement device thereof based on phase measurement of a double-wavelength laser tube. The method comprises the following steps: step 1, a first wavelength light-wave is transmitted to a target to be measured through a...
https://drivepatents.com/patents/969004 · 8 Oct 2014
The invention relates to a total station (1) with an electro-optical distance measurement unit (11) and a scanning functionality as well as an evaluation unit for evaluating the acquired measurement signal data and converting the same into scan points (36)...
https://drivepatents.com/patents/970184 · 17 Sep 2014
The present invention relates to a position compensation device using visible light communication and a method thereof. To this end, the present invention receives a visible light signal which includes lighting position information from a lighting device t...
https://drivepatents.com/patents/975754 · 23 Apr 2014
A three-dimensional measuring device includes a light source unit 37 for generating a distance measuring light 8, a light projecting optical unit 39 for projecting the distance measuring light from the light source unit on a distance measuring optical axis...
https://drivepatents.com/patents/977983 · 26 Feb 2014
The method involves providing a reference spectrum corresponding to peaks of a Fourier transform of a reference image. Spectrum of spatial frequencies of image and the reference spectrum are concentrically superimposed. The reference spectrum inscribed in ...
https://drivepatents.com/patents/982011 · 13 Nov 2013
Surveying apparatus (1) for surveying a measurement scenery, comprising a first camera capable to take a visible image of the measurement scenery and/or means for capturing coordinates of 3D-points of the measurement scenery, and a display (3) capable to d...
https://drivepatents.com/patents/986661 · 18 Sep 2013
The invention relates to a laser receiver (10) designed for locating a laser beam (22) relative to the laser receiver (10) It comprises a laser light photo sensor (1) providing an electrical output signal when illuminated by a reference laser beam (22). Th...
https://drivepatents.com/patents/984135 · 4 Sep 2013
The reference and measurement radiations are derived from laser beam. Measurement radiation is emitted to target. Superposition of reflected measurement radiation and reference radiation is detected to derive interferometer output variable, from which time...
https://drivepatents.com/patents/987703 · 7 Aug 2013
In an embodiment of the disclosure, there is provided an apparatus for calibrating a laser projection system (120, 228). The apparatus has a structural frame assembly (201, 301) extending along three mutually orthogonal axes (170). The apparatus further ha...
https://drivepatents.com/patents/988033 · 31 Jul 2013
The instrument (1) has a base (10) defining a vertical axis (11). A beam deflector (30) is rotated about a horizontal axis (31) relative to a body (20). A visual field is defined by an imaging system and the deflector and aligned with a measurement axis of...