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| Number | Title | Issue Date |
| 8077293 | Surveying device and surveying system The present invention provides a surveying device, which comprises rotators 53, 56 and 61 for deflecting a distance measuring light in horizontal direction and for projecting the distance measuring light in rotary irradiation, at least one extension me... | 12/13/2011 |
| 7372580 | Three-dimensional shape detecting device, three-dimensional shape detecting system, and three-dimensional shape detecting program In a three-dimensional shape detecting system comprising a three-dimensional shape detecting device and an external calculating device, the three-dimensional shape detecting device includes: projection means which projects pattern light onto a subject; image data ob... | 05/13/2008 |
| 7327440 | Distance measuring device A distance measuring device is disclosed which can measure the distance to an object located within a known range. The device uses beam splitters and lenses to focus and direct energy reflected from an object onto at least two bi-sensors. The bi-sensors each have an... | 02/05/2008 |
| 7324712 | Quality factor The present invention concerns the discrimination of good measurement results measured by a computer vision system from bad results. By the method of the invention, values calculated from the observation vectors of several measuring devices can be discriminated into... | 01/29/2008 |
| 7305121 | Method for creating single 3D surface model from a point cloud A single surface representation is created from a cloud of points. Each point in the cloud of points is assigned three-dimensional spatial coordinates. The cloud of points is stored in a memory of a computer. Machine-executable instructions are provided for the comp... | 12/04/2007 |
| 7252388 | Projector with tilt-angle detecting capability A projector includes two range sensors of a phase difference method. The range sensors are laid out near a projection lens in such a way that a line connecting the centers of two photo-sensor arrays incorporated in one of the range sensors crosses a line connecting ... | 08/07/2007 |
| 7224397 | AF control apparatus and AF control method A CPU performs a control for photographing a main subject in absence of auxiliary light, whereby an image signal is outputted from an analogue signal processing section. Next, the CPU performs a control for photographing the main subject in presence of the auxiliary... | 05/29/2007 |
| 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 |
| 7215810 | Method for creating single 3D surface model from a point cloud A single surface representation is created from a cloud of points. Each point in the cloud of points is assigned three-dimensional spatial coordinates. The cloud of points is stored in a memory of a computer. Machine-executable instructions are provided for the comp... | 05/08/2007 |
| 7202941 | Apparatus for high accuracy distance and velocity measurement and methods thereof A system and method for measuring a parameter of a target in accordance with embodiments of the present invention includes transmitting at least one signal towards a target and receiving at least a portion of the transmitted signal back from the target. The measured... | 04/10/2007 |
| 7203356 | Subject segmentation and tracking using 3D sensing technology for video compression in multimedia applications Three-dimensional position information is used to segment objects in a scene viewed by a three dimensional camera. At one or more instances of an interval, the head location of the user is determined. Object-based compression schemes are applied on the segmented obj... | 04/10/2007 |
| 7190389 | Stereo camera A stereo camera includes a pair of photographing optical systems arranged in a common plane so that a common photographing coverage occurs between a pair of photographing areas taken by the pair of photographing optical systems, an object distance measuring device, ... | 03/13/2007 |
| 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 |
| 7140544 | Three dimensional vision device and method, and structured light bar-code patterns for use in the same The present invention is a system and method for three dimensional machine vision including a projector and camera. The projector casts a structured light Quadratic Residue Bar Code on the surface to be mapped. The camera then images the surface. The projected image... | 11/28/2006 |
| 7132634 | Distance measuring apparatus using passive AF sensor A distance measurement object is imaged by a pair of line sensors of an AF sensor, and sensor data showing the sensor images is generated. A CPU generates AF data showing the contrast of sensor images with the sensor data being sequentially acquired by the CPU for e... | 11/07/2006 |
| 7119912 | Ranging sensor and electronic device using the same A ranging sensor includes: a light emitting element; a projection lens for projecting light emitted from the light emitting element to an object; a condenser lens for condensing light reflected from the object; and a light receiving element, provided at the light co... | 10/10/2006 |
| 7103212 | Acquisition of three-dimensional images by an active stereo technique using locally unique patterns A system and method for acquiring three-dimensional (3-D) images of a scene. The system includes a projection device for projecting a locally unique pattern (LUP) onto a scene, and sensors for imaging the scene containing the LUP at two or more viewpoints. A computi... | 09/05/2006 |
| 7098956 | Process and device for the video recording of an illuminated field For the video recording of a field illuminated by a lamp, especially a surgical lamp, where at least one light beam for illuminating the field emerges from a light exit area of a lamp housing in the direction of a predetermined housing axis, the optical axis of a vi... | 08/29/2006 |
| 7075625 | Range finder and method Pattern projection apparatuses are placed on each other in a stack manner in a stripe pattern direction for projecting the same patterns. An image pickup apparatus (camera 1) is placed between the pattern projection apparatuses. The optical axes of the patter... | 07/11/2006 |
| 7068836 | System and method for mapping a surface In accordance with a specific embodiment of the present invention, an image is projected upon a surface. The image can include a pattern having a plurality of individual shapes used to measure and map the surface. The plurality of individual shapes include features ... | 06/27/2006 |
| 7068825 | Scanning system and calibration method for capturing precise three-dimensional information of objects A scanning system includes a hand-held scanning device that generates two-dimensional images of a pattern reflected off an object. The system also includes a memory and processing unit. The memory stores a calibration table for the scanner and received scanned bitma... | 06/27/2006 |
| 7042503 | Image sensing apparatus, method and program for distance measurement An image sensing apparatus of this invention includes a signal generator adapted to generate a signal upon reception of input light, a transfer unit adapted to transfer the signal generated by the signal generator, a temperature measuring unit adapted to measure a t... | 05/09/2006 |
| 7042560 | Angle detecting apparatus and projector having the same A control circuit computes relative horizontal and vertical inclination angles between a screen and a projector by a line-type passive range-finding device. A display driving section adjusts a projection optical system including a condensing lens on the basis of the... | 05/09/2006 |
| 7029275 | Interactive orthodontic care system based on intra-oral scanning of teeth Interactive, computer based orthodontist treatment planning, appliance design and appliance manufacturing is described. A scanner is described which acquires images of the dentition which are converted to three-dimensional frames of data. The data from the several f... | 04/18/2006 |
| 7027642 | Methods for registration of three-dimensional frames to create three-dimensional virtual models of objects A method and system are provided for constructing a virtual three-dimensional model of an object using a data processing system, and at least one machine-readable memory accessible to the data processing system. A set of at least two digital three-dimensional frames... | 04/11/2006 |
| 7021097 | Method for adjusting a head suspension parameter A method for adjusting the static attitude of a head suspension by scanning a region of the head suspension with a laser. A head suspension having a gimbal region is provided that permits a head slider attached thereto to gimbal about pitch and roll axes in response... | 04/04/2006 |
| 6963354 | High resolution imaging lidar for detecting submerged objects An image lidar includes a laser for generating light beam pulses in a line scan to illuminate an area surrounding a target. A controller selects pulse width and pulse rate of the light beam pulses emitted by the laser. A photomultiplier tube detects energy from the ... | 11/08/2005 |
| 6950177 | Constructing a waveform from multiple threshold samples Technology is disclosed for measuring distances. A measurement device emits a beam that reflects on the surface of an object. The measurement device determines the distance to the object, based on the time of flight of the beam from transmission to capture by the me... | 09/27/2005 |
| 6755817 | Device for medical treatment of the eye using laser illumination A device for the medical treatment of the eye with laser radiation uses auxiliary radiation for determining the eye position. With the aid of the auxiliary radiation, pictures are taken by means of a solid state image camera for determining eye movements and for cau... | 06/29/2004 |
| 6683675 | Distance measuring apparatus and distance measuring method A distance measuring apparatus is provided which utilizes a light-section method capable of preventing input of disturbance light without narrowing measurement viewing angle. The apparatus comprises: a laser emitting section for generating laser light, an... | 01/27/2004 |
| 6665595 | Device for transmitting optical data There is provided a device for transmitting optical data installed in an automated guided vehicle and a plurality of manufacturing machines which are arranged on a manufacturing line so as to transmit data necessary for delivery of a transfer object by tw... | 12/16/2003 |
| 6611318 | Adjustable mirror for collimated beam laser sensor A laser diode (22) emits laser light which is collimated into parallel rays with a collimating lens (24). The collimated beams travel about 5 to 50 cm before being reflected back to an adjustable mirror (28), to a fixed mirror (30), and then on to a photo... | 08/26/2003 |
| 6522393 | Distance measuring device A distance measuring device includes a light emitting system that emits light toward an object that is subject to a distance measurement. A light receiving system is provided to receive optical images which are formed by an optical system. The light recei... | 02/18/2003 |
| 6492652 | Opto-electronic distance sensor and method for the opto-electronic distance measurement The opto-electronic sensor (1) for the measurement of the distance (d) to an object (9), resp., for the identification of an object (9) within a monitoring zone (90) is based on triangulation measurement. A light source (21) emits light onto the object (9... | 12/10/2002 |
| 6487922 | Steam turbine inlet sleeve inspection apparatus and method An inspection apparatus (40) for remote inspection of the trepan radius area (34) of the inlet sleeve (24) of a steam turbine (10). The apparatus (40) provides a sealed volume (50) between a pair of inflatable bladders (46,48) for the introduction of a li... | 12/03/2002 |
| 6331887 | Outdoor range finder The present invention is a distance measuring device having a low power laser for use outdoors. The distance measuring device of the invention includes a laser emitting means that emits a pulsed laser beam to an object to be measured and an image reader t... | 12/18/2001 |
| 6281968 | Laser distance-measuring instrument for large measuring ranges Laser distance-measuring instrument for large measuring ranges having a transmitting channel and a receiving channel arranged parallel to one another, the receiving lens being a modified single lens comprising a primary lens region with a primary optical ... | 08/28/2001 |
| 6040787 | Laser vehicle parking apparatus A device uses two laser beams to assist in parking a vehicle having a windshield at a desired distance relative to a surface forward of the vehicle, such as the wall of a garage. Independent adjustment means are preferably provided for angling one or both... | 03/21/2000 |
| 5986745 | Co-planar electromagnetic profile scanner A co-planar system for determining the shape and dimensions of a surface of an object includes a projector for projecting in a selected plane onto the object a spatially coded pattern of radiation, e.g., light. The system also includes a receiving device ... | 11/16/1999 |
| 5963308 | Distance measuring apparatus In a distance measuring apparatus for measuring the distance to an object on the basis of reflected light obtained as a result of projecting light toward the object, in the case of an active distance measurement operation, the flickering frequency of a li... | 10/05/1999 |
