Nordenfelt
Mikael Nordenfelt, Taby SE
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20100149518 | METHODS AND INSTRUMENTS FOR ESTIMATING TARGET MOTION - The present invention relates to a measuring instrument and methods for such a measuring instrument for tracking a moving object, measuring a distance to an object. According to the invention, sets of target position data including at least horizontal (Ha) and vertical angle (Va) between the measuring instrument ( | 06-17-2010 |
Mikael Nordenfelt, Bergshamra SE
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20120327271 | DUAL TRANSMITTER TRACKER - A tracker unit for a measuring instrument and a method for operating a tracker unit are disclosed, to distinguish a specific target, such as at least one retroreflector, from other reflective objects in the vicinity of the measuring instrument. The tracker unit includes a plurality of photosensors and first and second optical radiation sources. Each photosensor adapted to generate at least one first set of signals during a period when the first optical radiation source is activated and the second optical radiation source is deactivated, and generate at least one second set of signals during a period when the second optical radiation source is activated and the first optical radiation source is deactivated. On basis of comparison between information extracted on basis of the first set of signals and the second set of signals, respectively, at least one specific target is distinguished from other reflective objects. | 12-27-2012 |
20140123508 | Robotic Laser Pointer Apparatus and Methods - A robotic laser-pointing apparatus has an instrument center, a first rotation axis, a second rotation axis, and a pointing axis, with the first rotation axis, the second rotation axis and the pointing axis in a known relationship to the instrument center. A laser source provides a pointing-laser beam along the pointing axis. A pointing drive system aims the laser beam by rotating the pointing axis about the instrument center in response to a pointing-direction control. Focusing optics having a focusing-optics drive serve to focus the pointing-laser beam in response to a focusing-optics control. A processor, responsive to target-position information, generates the pointing-direction control and the focusing-optics control. Some embodiments include an electronic-distance-measurement system having a measurement beam. Some embodiments provide for compensation of aiming errors of the pointing-laser beam and the measurement beam. | 05-08-2014 |
Mikael W. Nordenfelt, Bergshamra SE
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20130100279 | SYSTEM AND METHODS FOR CONTROLLING A SURVEYING DEVICE - A system and methods are provided for controlling a surveying device. In one embodiment, a method includes displaying a control screen including image data captured by a surveying device, detecting an input associated with the control screen, and determining a control command for the surveying device based on the input associated with the control screen. The method may further include controlling operation of the surveying device based on the control command, wherein the surveying device is configured to rotate in one more of a horizontal and vertical direction based on the control command. The device and methods may advantageously allow for precise pointing of a surveying device and translation of input position to surveying device commands. | 04-25-2013 |
Mikael Wilhelm Nordenfelt, Bergshamra SE
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20150181174 | SYSTEM AND METHODS FOR CONTROLLING A SURVEYING DEVICE - A system and methods are provided for controlling a surveying device. In one embodiment, a method includes displaying a control screen including image data captured by a surveying device, detecting an input associated with the control screen, and determining a control command for the surveying device based on the input associated with the control screen. The method may further include controlling operation of the surveying device based on the control command, wherein the surveying device is configured to rotate in one more of a horizontal and vertical direction based on the control command. The device and methods may advantageously allow for precise pointing of a surveying device and translation of input position to surveying device commands. | 06-25-2015 |