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| Number | Title | Issue Date |
| 8102514 | Beam irradiation apparatus A laser beam and a servo beam are incident on a mirror and a transparent member, respectively, so that an angle direction A1 from an optical axis of the laser beam to be incident on the mirror to an incidence plane of the mirror and an angle direction A2 | 01/24/2012 |
| 8081297 | Laser tracker having a camera with a constant magnification A laser based coordinate measuring device measures a position of a remote target using a camera having an adjustable magnification set based on the distance from the coordinate measuring device to the remote target. The laser based coordinate measuring device includ... | 12/20/2011 |
| 8049867 | Laser tracker and method for measing location and orientation of a patterned target A laser tracker includes rotatable structure on which a position detector is disposed. The position detector generates a signal indicating a direction of rotation of the structure so that a beam launched from the structure to a patterned target tracks the patterned ... | 11/01/2011 |
| 7995189 | Optical distance measuring sensor and electronic device An optical distance measuring sensor includes a light receiving element arranged on the same plane as a light emitting element. The light receiving element includes a light receiving unit having a plurality of cells and collecting the light emitted from the light em... | 08/09/2011 |
| 7961300 | Method and apparatus for a single point scanner The present subject matter include methods and apparatus for creating three dimensional digitized models of at least one ear impression, the apparatus comprising a frame, a linear axis mounted to the frame, the linear axis having an axis of motion, a first spindle a... | 06/14/2011 |
| 7679724 | Determining target distance in imaging reader A target distance to a system target located at variable distances from an imaging system is determined by illuminating a calibration target at a calibration distance with a collimated light beam during a calibration mode of operation, by illuminating the system tar... | 03/16/2010 |
| 7589824 | Surface curvature measurement tool A device for measuring the radius of curvature of a surface comprises a main body that is held above the surface being measured; and a non-contact sensor mounted to the main body that measures a distance between the surface being measured and the sensor, the device ... | 09/15/2009 |
| 7583363 | Range finder system and electronic system having same A range finder system (100) includes a point light source (10), image pickup devices (20), (30), and a processing device (50). The point light source (10) emits light. The image pickup devices (20), (30) includ... | 09/01/2009 |
| 7460214 | Surface metering device A method for measuring the area of polygonal planar surfaces in space, wherein a device is used having a range finder mounted on a leg support by a frame having a central point, elements for the angular tracking in space of the viewing direction of the range finder,... | 12/02/2008 |
| 7423734 | Combined video camera and toolholder with triangulation sensing A system for determining depth, height and other reference information with respect to features on a workpiece is disclosed. A camera is mounted in a CNC toolholder so that the lens of the camera is coaxial with a rotational axis of the CNC toolholder. A laser is mo... | 09/09/2008 |
| 7414702 | Reverse logic optical acquisition system and method The present invention is a system and method of acquiring airborne objects utilizing a reverse logic algorithm. The system includes an optics component for detecting the intensity of light from a light source as well as determining the location of the light source. ... | 08/19/2008 |
| 7411660 | Laser straight ruler and method for measuring distance and projecting line using the straight ruler A laser straight ruler having a main body and a beam scanner installed on the main body. A laser beam is scanned to form a beam spot on an object. A position sensing device receives a laser beam reflected by the object and senses a position of the beam spot. A signa... | 08/12/2008 |
| 7365832 | Laser range finder A laser range finder measures the range between itself and another laser range finder by propagating a laser beam only in one way therebetween. A laser unit generates a short-pulse laser beam to be transmitted to the other laser range finder. A photodetector receive... | 04/29/2008 |
| 7353954 | Tray flipper and method for parts inspection Manufacturing lines include inspection systems for monitoring the quality of parts produced. Manufacturing lines for making semiconductor devices generally inspect each fabricated part. The information obtained is used to fix manufacturing problems in the semiconduc... | 04/08/2008 |
| 7330241 | Optical distance measuring sensor, self-propelled cleaner, and air conditioner An optical distance measuring device has a substrate (10), a plurality of light emitting elements (1) mounted to the substrate (10), a plurality of light emitting-side lenses (2) placed in one-to-one correspondence with the light emitting... | 02/12/2008 |
| 7329968 | Charge-recycling voltage domains for energy-efficient low-voltage operation of digital CMOS circuits An integrated circuit with multiple supply voltage domains includes a first domain and a second domain of electrical components. The first domain receives current from a first voltage rail and discharges electrical current to a second voltage rail. A second domain o... | 02/12/2008 |
| 7324703 | Method and system for correcting the effect of non-uniform illumination A system and a method are provided for correcting the effect of non-uniform illumination on a reproduced image of a 2-D object. An image of a reference card in an illuminated setting is captured by an image capturing device. A 2-D object is placed in the same illumi... | 01/29/2008 |
| 7312854 | Position sensitive photoelectric sensor and method of setting reference distance in the same In a position sensitive photoelectric sensor that calculates a distance to a target based on a triangular range finding using a light and outputs a result compared with a reference distance, first the reference distance Dref is set roughly by using a light receiving... | 12/25/2007 |
| 7286213 | Processes and devices enabling the entry of a target into a zone to be detected A process to detect the entry of a target into a zone, such process wherein it has the following stages: an illuminating beam is projected in the direction of the target by at least one source, the beam reflected o... | 10/23/2007 |
| 7284883 | Free-cavity, double-diffusing indirect lighting luminaire A lighting system and device for providing indirect light using free-cavity, double-diffusing configurations are disclosed. In accordance with the embodiments of the invention, a lighting fixture comprises a cover structure with a diffusion layer and a reflective pl... | 10/23/2007 |
| 7275431 | Vehicle mounted system for detecting objects A method for object detection using vehicle-mounted sensors is provided, the sensing ranges of which sensors overlap at least partially. In this context, signals of at least two sensors having sensing ranges with essentially identical coverage, and additional signal... | 10/02/2007 |
| 7265820 | Method of determining atmospheric refraction profile using two spatially separated light sources An atmospheric refraction profile is determined using an imaging system positioned at a location that is simultaneously within line-of-sight of two celestial light sources. A variety of active or passive methods can be employed to cause the line-of-sight to vertical... | 09/04/2007 |
| 7236256 | Range finder and method A linearly polarized light projector system projects linearly polarized light onto a subject. While polarizing filters are used for removing light specular-reflected on the subject, a reflected image after removal of the specular-reflected light is captured by image... | 06/26/2007 |
| 7218384 | Surveying system A surveying system is provided that comprises a position relation calculating processor and a correspondence obtaining processor. The position relation calculating processor calculates a position relation between a coordinate system to which three-dimensional coordi... | 05/15/2007 |
| 7196777 | Global laser rangefinder profilometry Two light beams from respective light-emitting devices (e.g., lasers or lamps) cross each other and strike a surface (e.g., of a fluid) at respective oblique orientations relative to the surface (e.g., oblique but nearly vertical orientations that are equal and oppo... | 03/27/2007 |
| 7190465 | Laser measurement system What is disclosed is a 3-D laser measurement system, including a mirror continuously rotatable about a rotation axis which extends, e.g., in parallel or coaxial with a measuring beam emitted by an optical emitter and impinging on the mirror. ... | 03/13/2007 |
| 7187452 | Lidar system and method A ground-based method is disclosed which determines the spatial statistics of fragmented and spatially variably dispersed objects in a transmissive medium, by generating a plurality of pulsed beams of laser energy, the beams having selectively variable width and sha... | 03/06/2007 |
| 7164785 | Apparatus and methods of generation of textures with depth buffers A three dimensional (3-D) image is generated from a plurality of portions of an image of an object, each captured portion of the image is based on a scan width of an image capture device. A range finding device obtains at least one range data value for each captured... | 01/16/2007 |
| 7161682 | Method and device for optical navigation An method and device suitable for navigation on a wide variety of surfaces is introduced. Specular reflection is used to determine relative motion over typical surfaces. A specific application is a computer mouse. ... | 01/09/2007 |
| 7154395 | Interactive wireless tag location and identification system A wireless location and identification system includes a controller and a tag. The controller has a projector configured to generate a unique temporal sequence of light intensities for each pixel in an output image of the projector and a wireless transceiver configu... | 12/26/2006 |
| 7154591 | Laser range finding apparatus The laser range finding apparatus includes an optical relaxation oscillator assembly, outcoupling optics, a photodetector and a controller. The optical relaxation oscillator assembly produces relaxation oscillations. The relaxation oscillations are a series of optic... | 12/26/2006 |
| 7152017 | Numerical analysis system using hybrid grid adaptation method The numerical analysis system of the invention analyzes the dynamical state of the compressible fluid employing Hybrid Grid Adaptation Method by Finite Volume Method. The initial grid data are created by way of free combination of tetrahedral cells, hexahedral cells... | 12/19/2006 |
| 7145647 | Measurement of spatial coordinates A system for measurement of spatial coordinates comprising a probing tool and a main measuring unit, wherein said probing tool comprises a reflective object element, observation mechanism located in a known position and orientation relative to said reflective object... | 12/05/2006 |
| 7142198 | Method and apparatus for remote pointing A remote pointing apparatus including a remote control that generates an optical signal that is periodically expanded and/or reduced around the origin and an optical sensor that detects whether the optical signal is received, and a remote pointing method therefor. T... | 11/28/2006 |
| 7142301 | Method and apparatus for adjusting illumination angle A machine-vision system that provides quick changing and/or automatic adjustment of illumination angle, dispersion, intensity, and/or color of illumination. One such system includes a light source emitting polarized light, a machine-vision imager, an image processor... | 11/28/2006 |
| 7142289 | Radar apparatus In a radar apparatus, a laser light generating device generates a laser light. An optical device reflects the laser light to output it in a predetermined direction. The optical device has at least two reflective surfaces with different reflectance to the laser light... | 11/28/2006 |
| 7142288 | Measuring device for contactless distance measurement A measuring device for contactless distance measurement is disclosed, which has an optical transmission path (12), with an optical transmitter (22), and an optical receiver (13), with a receiving optical element (29) and an optical receiv... | 11/28/2006 |
| 7139067 | Three-dimensional imaging with multiframe blind deconvolution Methods and systems for three-dimensional imaging through turbulence such as produced by the Earth's atmosphere are described. A first light source may direct an output of pulses to a target through atmospheric turbulence. A first image sensor, for example a time of... | 11/21/2006 |
| 7134966 | Golf putt training device and method A golf putt training device which is characterized as follows. A light apparatus adapted to project an alignment segment and an aiming spot on a playing surface. Whereby the light apparatus is positioned behind a ball and the aiming spot is projected in front of the... | 11/14/2006 |
| 7131732 | Projector apparatus, inclination angle obtaining method, and projection image correction method In a projector to which the present invention is applied, a distance sensor measures distances between the projector and a plurality of points on a screen. An angle calculation unit obtains a formula representing a screen surface, based on plural pieces of distance ... | 11/07/2006 |
