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| Number | Title | Issue Date |
| 8184268 | Method for multi-target-enabled resolution of phase ambiguity In order to derive distance information according to the phase measuring principle, a periodic signal with at least two, in particular modulated, wavelengths λi are transmitted to two or more objects, their reflections are received again and the associat... | 05/22/2012 |
| 8184269 | Input device with photosensitive elements and method for inputting information thereby A method for inputting information by an input device with photosensitive elements uses laser light to illuminate a target and two photosensitive elements to sense the time at which beams reflected by the target and then reflected respectively by rotatable first and... | 05/22/2012 |
| 8179522 | Distance measuring device A distance measuring device measures a distance from a phase difference of beaten down processing signals even when fluctuations occur in a frequency of an oscillator. The distance measuring device includes a laser unit, a dividing device, a reference light receivin... | 05/15/2012 |
| 8179521 | Measurement of speed or vibration characteristics using a LIDAR device with heterodyne detection A process for measuring speed or vibration characteristics using a LIDAR device allows the separation of a useful contribution and an interfering contribution in a backscattered signal. To this purpose, a phase characteristic of an optical wave emitted in the direct... | 05/15/2012 |
| 8174682 | Shape measuring instrument with light source control An optical system of a shape measuring instrument includes a laser diode, a first optical system irradiating an object to be measured with laser beam, a second optical system focusing reflected light from the object to be measured, and a CCD line sensor portion for ... | 05/08/2012 |
| 8164742 | Photopolarimetric lidar dual-beam switching device and mueller matrix standoff detection system and method An optomechanical switching device, a control system, and a graphical user interface for a photopolarimetric lidar standoff detection that employs differential-absorption Mueller matrix spectroscopy. An output train of alternate continuous-wave CO2 laser ... | 04/24/2012 |
| 8154712 | Insertion of laser path in multiple field of view reflective telescope A multiple field of view reflective telescope is described herein which has a laser and associated components inserted therein. In addition, a method is described herein for using the multiple field of view reflective telescope to range an object (e.g., target) or t... | 04/10/2012 |
| 8149391 | Distance measuring instrument and method A distance measuring instrument comprises at least one light source; at least one light detector; optics to direct measuring light emitted from the at least one light source towards an object and to direct measuring light received back from the object to the at leas... | 04/03/2012 |
| 8139205 | Optical payload with integrated laser rangefinder and target designator A compact optical payload for an unmanned aircraft includes two infrared cameras for wide and narrow field viewing, a daylight color camera, a laser pointer and a laser range finder. ... | 03/20/2012 |
| 8134692 | Fog detector and method of placing detector in vehicle A light emitting element and a light receiving element is placed in such a manner that the light axis of a light emitting element constructing a light emitting circuit and the light axis of a light receiving element constructing a light receiving circuit cross each ... | 03/13/2012 |
| 8130367 | Laser ranging, tracking and designation using 3-D focal planes By using 3-D focal plane arrays, the present invention tracks or locates small moving objects, or generates a 3-D frame of data with minimum laser energy and a minimum of mechanically moving parts. In another embodiment the invention is used to determine the directi... | 03/06/2012 |
| 8130368 | Distance measuring apparatus A distance measuring apparatus for measuring a distance to a target point in a target area comprises a laser oscillator for generating a laser beam having a first wavelength, a nonlinear crystal into which the laser beam having the first wavelength generated by the ... | 03/06/2012 |
| 8125620 | Optical sensor device A method and apparatus for the acquisition of repetitive signals in a sensing device comprising a transmitter, a receiver and an object. The transmitter repetitively emits a modulated electro-magnetic signal into a transmission medium, with the emitted signal intera... | 02/28/2012 |
| 8125621 | Arrangement and method for the wireless transmission of phase-critical signals when the length of the transmission is variable A method and apparatus for wireless transmission of electrically complex or phase-critical signals includes a device for measuring the length of a transmission route to a moving platform, and a device for transmitting complex measuring or reference signals. Accordin... | 02/28/2012 |
| 8120754 | Light detection and ranging apparatus A light detection and ranging (LIDAR) apparatus is provided that employs one or more additional reflectors to reflect and redirect the light beam transmission pulses from a scanning fan assembly to a given area of interest. The one or more additional reflectors prov... | 02/21/2012 |
| 8111383 | Portable laser surveillance method of a point on a target A method for surveillance of a point on a target. A portable device is obtained, which includes: a laser range finder operable for measuring distances between the laser range finder and a target, an alarm operable for generating a perceptible signal, and a microcont... | 02/07/2012 |
| 8107057 | Passive imaging system equipped with a range finder The invention relates to a range finding method for a target by means of a pulsed laser (4) and a device for detecting pulses backscattered by the target, which comprises a step for emitting pulses with a repetition frequency f. The detection device comprises... | 01/31/2012 |
| 8094292 | Cross-chirped interferometry system and method for light detection and ranging An interferometric method and system enabling light echoes-to-spectrum mapping, applicable for laser rangefinder, biomedical imaging including surface 3D mapping and tomography, vehicle position identification, and spectrum analysis. The direct mapping into spectrum... | 01/10/2012 |
| 8085389 | Optical sensor operating on the transit time principle The present invention relates to an optical sensor based on the transit time principle, comprising a light source for the emission of emergent light pulses into an observed region, comprising a rotating device for rotating a beam direction of the emergent light puls... | 12/27/2011 |
| 8085388 | Laser radar projection with object feature detection and ranging A 3D pulsed laser projection system scans an object to produce a dense 3D point cloud and projects a laser light beam onto an object as a glowing template. A high-sensitivity optical feedback system receives and detects a feedback beam of the output beam light diffu... | 12/27/2011 |
| 8081300 | Apparatus and method for laser ranging The present invention relates to a method for laser ranging with high precision and high efficient, a method for identifying distance mode automatically during laser ranging process, and a laser ranger with high precision, high efficient and low power waste. The acc... | 12/20/2011 |
| 8072582 | Lidar system using a pseudo-random pulse sequence A light detection and ranging system includes a transmitter transmitting a transmitted light pulse timing sequence, with pseudo-random timing and including a plurality of light pulses, toward a target. An optical receiver receives a reflected light pulse timing sequ... | 12/06/2011 |
| 8072581 | Laser range finding system using variable field of illumination flash lidar The laser range finding system includes a light detection and ranging (LIDAR) sensor unit (SU) and a LIDAR processor unit (PU). The LIDAR SU is for transmitting light pulses and receiving resulting input light signals reflected from objects within the field of view ... | 12/06/2011 |
| 8072583 | Range-finding device A range-finding device includes: a light emitting unit that continuously emits measurement light to be used for distance measurement toward a measurement target object; a light-receiving unit that receives reflected light reflected by the measurement target object; ... | 12/06/2011 |
| 8064046 | Method and device for determining a distance from an object A method for determining a distance from an object may include emitting an emission light beam from a light emitter, receiving a reception light beam at a light receiver, and determining the distance on the basis of a propagation time of the emission and reception l... | 11/22/2011 |
| 8059263 | Apparatus for the recognition of the presence of an object in space An apparatus for the recognition an object in space in accordance with the pulsed time-of-flight principle. The apparatus has a pulsed laser and a photoreceiver arrangement which receives the light pulses reflected back from the object present in the space. The appa... | 11/15/2011 |
| 8031333 | Entangled-photon range finding system and method A method of determining a distance to an object is presented. A first photon and a second photon are simultaneously generated. The first photon is reflected off an object. The second photon is directed to an optical cavity. An arrival of the first photon is correlat... | 10/04/2011 |
| 8018580 | Laser range finding device and distance measurement method thereof A distance measurement method for use in a laser range finding device to measure a distance between the laser range finding device and a target is disclosed. The method comprises the following steps. A laser signal is sent to the target in a first time point. A refl... | 09/13/2011 |
| 7999925 | Optical sight An optical sight includes an outer barrel unit, an objective lens unit, an ocular lens unit, a magnification unit, a range-finding module, and a display unit. The objective lens and the ocular lens unit are mounted to front and rear ends of the outer barrel unit, re... | 08/16/2011 |
| 7999924 | Range binoculars Range binoculars capable of measuring a distance between the observation place and an object, the binoculars being made small-sized with keeping the functions as binoculars. The range binoculars includes first and second optical systems, each with an eyepiece optica... | 08/16/2011 |
| 7999923 | Systems and methods for detecting and analyzing objects Systems and methods are provided that employ one or more mirrors to harvest laser beams emitted by a physical rangefinder within a region of interest that would otherwise not intersect an object within the region of interest. The mirrors redirect the harvested beams... | 08/16/2011 |
| 7995190 | Procedure and a device for measuring distance Disclosed is a method for measuring a distance between a distance sensor (5), which is carried on a vehicle, and an object (2). The method includes emitting electromagnetic impulse signals (6) and receiving signals (7), which are reflecte... | 08/09/2011 |
| 7990523 | Aiming telescope having a range finder An aiming telescope has an optical axis and a line of sight. Turrets are provided for adjusting the direction of the line of sight. A range finder is structurally connected with the aiming telescope. The range finder has a light source for emitting an emitted measur... | 08/02/2011 |
| 7982859 | Method and device for deriving geodetic distance data According to the invention, a light signal is emitted to one or several targets in order to derive geodetic distance data therefrom. Apparatus components such as transmitters (1″) and receivers (4″) are modeled along with the targets (3a ... | 07/19/2011 |
| 7978315 | Range finder A range finder is provided. A light emitting unit emits a light pulse. A light receiving unit senses an incident light pulse. A reflective mirror reflects the light pulse emitted from the light emitting unit to an outside space and reflects the light pulse incident ... | 07/12/2011 |
| 7969558 | High definition lidar system A lidar-based 3-D point cloud measuring system and method. An example system includes a base, a housing, a plurality of photon transmitters and photon detectors contained within the housing, a rotary motor that rotates the housing about the base, and a communication... | 06/28/2011 |
| 7944548 | Increasing measurement rate in time of flight measurement apparatuses An apparatus for measuring distance to a surface is disclosed. The apparatus transmits at least one subsequent pulse of light prior to receiving a reflection of a previously sent pulse of light. Thus, multiple pulses of light are in-flight at a given time. The embod... | 05/17/2011 |
| 7940377 | Passive background correction method for spatially resolved detection A method for passive background correction during spatially or angularly resolved detection of emission that is based on the simultaneous acquisition of both the passive background spectrum and the spectrum of the target of interest. ... | 05/10/2011 |
| 7920248 | Method and apparatus for optoelectronic contactless range finding using the transit time principle The invention relates to a method for optoelectronic contactless distance or range measurement or finding according to the transit time principle, in which a distance of an object from a sensor unit is determined from a time difference between a starting signal and ... | 04/05/2011 |
| 7911589 | Optical distance measuring method and corresponding optical distance measurement device In order to derive a distance to a target object, in the detection of lower and upper dynamic ranges different detection methods are used simultaneously for the same light signal in an opto-electric distance measuring method having at least one emission of at least ... | 03/22/2011 |
