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| Number | Title | Issue Date |
| 8169596 | System and method using a multi-plane curtain A multi-plane scanner support system includes a bracket and a mirror block. The bracket is configured to be secured in a fixed orientation with respect to a scanner. And the mirror block is arranged to receive a scanning signal from the scanner and to reflect the sc... | 05/01/2012 |
| 7978311 | Method of locating an object in 3D Methods and devices for calculating the position of a movable device are disclosed. The device may include multiple optical detectors (ODs) and the movable device may include light sources. Optics may be above the ODs. A controller may calculate the position of the ... | 07/12/2011 |
| 7920247 | Distance measurement system and distance measurement method A distance measurement system includes: an projection apparatus (1) which projects measurement beams (PL1, PL2) at least at first and second projection angles (α3, α15, α, β) towards a detection area; an image pick-up apparatus (2 | 04/05/2011 |
| 7804585 | Creation of a range image The most difficult problem in the creation of a range image with stereo cameras is the establishing of the correspondence of the points. For this, the scene is illuminated twice; thereof at least once with a random or pseudo random pattern. For both cameras, an imag... | 09/28/2010 |
| 7773200 | 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... | 08/10/2010 |
| 7433021 | Stereoscopic targeting, tracking and navigation device, system and method A measurement system with a minimum of 2 sensors that identifies precise locations of remote objects. The sensors measure the elevation and azimuth angles to the target using the electro-magnetic radiation that is either intentionally or incidentally reflected off o... | 10/07/2008 |
| 7420196 | Multiple axis multipoint non-contact measurement system Apparatus for optically measuring a remote object comprises at least one source for projecting a plurality of discrete zones of electromagnetic radiation (for example laser spots) along a projection plane. Imaging apparatus images a plurality of reflections from the... | 09/02/2008 |
| 7417716 | Multiple ranging apparatus A multiple ranging apparatus has a light emitting section constituted by a plurality of aligned LEDs which emit light rays of wavelengths different from one another, and a light receiving section constituted by a plurality of aligned PSD parts which have wavelength ... | 08/26/2008 |
| 7375801 | Video sensor with range measurement capability A video sensor device is provided which incorporates a rangefinder function. The device includes a single video camera and a fixed laser spaced a predetermined distance from the camera for, when activated, producing a laser beam. A diffractive optic element divides ... | 05/20/2008 |
| 7355682 | Remote center range finder A system for measuring the distance from a first point spaced away from a surface of an object to a second point on a surface of the object along an axis extending through the first and second points includes one or more light projection assemblies for projecting li... | 04/08/2008 |
| 7333181 | Methods for the use and manufacture of infrared position sensing detector focal plane arrays for optical tracking A Sensor Chip Assembly (SCA) contains a focal plane array constructed as a semiconductor chip sandwich. One slice contains an array of PSDs made from IR sensitive semiconductor material, and the other slice contains Trans Impedance Amplifiers (TIAs)—and associated... | 02/19/2008 |
| 7313871 | Archery sight An improved laser sight apparatus that is capable of identifying and impinging several different targets at varying ranges from the shooter. In the preferred embodiment, the laser sight according to the present invention includes three lasers, each of which is pre-c... | 01/01/2008 |
| 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 |
| 7237919 | Range finder, three-dimensional measuring method and light source apparatus The invention provides a range finder capable of carrying out three-dimensional measurement stably for a long period of time. A light pattern is projected on a subject by using a light source array unit in which a plurality of light sources, such as LEDs, are arrang... | 07/03/2007 |
| 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 |
| 7161664 | Apparatus and method for optical determination of intermediate distances An apparatus and a method are disclosed for optically determining a distance r to a feature from an origin or a center. The apparatus uses a beam generation unit for launching a reference beam on a reference path and a first beam on a first path. The center from whi... | 01/09/2007 |
| 7154589 | Rangefinder apparatus In a rangefinder, if sensor data initially received by a sensor data storage part from an A/D converter includes data with low contrast, the sensor data storage part receives the sensor data at least one additional time, adds additionally received sensor data to the... | 12/26/2006 |
| 7154112 | Distance measurement sensor A measurement sensor comprising a PSD (30) as an optoelectronic receiver, a transmitter (10, 12) for generating spots (22, 26), optics (14, 32) for reproducing the spots (22′, 26′) on the PSD (30) and means (44, 46, 4... | 12/26/2006 |
| 7147371 | Laser guides for X-ray device Laser guides for an X-ray device are disclosed in which a pair of laser projecting means are rotatably affixed to any X-ray device, either portable or stationary, such that the beams from the projecting means project toward the X-ray receptor and inward toward a lin... | 12/12/2006 |
| 7123351 | Method and apparatus for measuring distances using light A method and device for measuring a distance to an object with light determines the distance by measuring the relative intensity of light reflected from the object and traveling over two or more paths of differing optical length or reflected from the object and trav... | 10/17/2006 |
| 7119887 | Optical distance measuring sensor and self-propelled cleaner An optical distance measuring sensor has a plurality of light-emitting elements, a light-emitting lens, a photodetector having a light-receiving surface, a light emission driving part to sequentially drive the light-emitting elements, and a distance signal outputtin... | 10/10/2006 |
| 7119886 | Lithographic apparatus, device manufacturing method, and angular encoder In a lithographic projection apparatus, a measuring system configured to measure the position of the projection system relative to a reference frame includes sensors rigidly mounted in relation to counterpart sensors of a measuring system measuring the substrate tab... | 10/10/2006 |
| 7104689 | Positioning device and method in X-ray imaging systems The invention concerns a device 5 for aiming an object 1 in an X-ray imaging apparatus 3 provided with a radiographic imaging detector 4, a radiation source 13, and transfer means for moving e.g. the radiation source into different... | 09/12/2006 |
| 7098999 | High-speed readout circuit and system incorporating same A readout system for receiving return signals originating from one or more energy pulses fired toward a scene. The system includes a first mechanism for detecting energy received from the scene and providing a first signal in response thereto. A second mechanism tim... | 08/29/2006 |
| 7098997 | Surveying system A surveying system that comprises a position relation calculating processor, a correspondence establishing processor, and an image processor is provided. The position relation calculating processor calculates a positional relation between a coordinate system to whic... | 08/29/2006 |
| 7092076 | Surveying instrument A surveying instrument, comprising a collimation optical system and a visible laser projecting device with a visible laser light source unit for emitting a point light, wherein the surveying instrument comprises a photodetector for detecting a reflection light enter... | 08/15/2006 |
| 7078720 | Range finder for measuring three-dimensional geometry of object and method thereof A range finder for measuring a three-dimensional geometry of an object includes a projector unit for projecting the pattern light onto the object, a first image capturing unit for capturing an image reflected from the object, a second image capturing unit for captur... | 07/18/2006 |
| 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 |
| 7059057 | Laser level A laser level disposable on a reference surface includes a housing, a pendulum pivotably connected to the housing, a first laser diode disposed on the pendulum for emitting a first laser beam along a first path, and a lens disposed on the pendulum in the first path ... | 06/13/2006 |
| 7053937 | Three-dimensional image capturing device and recording medium A three-dimensional image capturing device is provided with a CCD which captures an image of a subject as image data and obtains the distance from the device to a point on a surface of the subject corresponding to each of the image data as distance measurement data.... | 05/30/2006 |
| 7015951 | Picture generating apparatus and picture generating method A picture generating apparatus according to this invention comprises: two image pick-up devices 3a, 3b or more adapted for picking up image of an object 2 to be imaged to generate picture data and respectively disposed at different... | 03/21/2006 |
| 7009690 | Three-dimensional measurement device and three-dimensional measurement method The purpose of the present invention is to realize a compact three-dimensional measurement device of high resolution. In the present invention, a pulse light is projected on an object, the light reflected from the object is received by a solid state area sensor havi... | 03/07/2006 |
| 6975361 | Imaging system, two-dimensional photographing device and three-dimensional measuring device A system comprises a two-dimensional photographing device and a three-dimensional measuring device that is removably attached to the two-dimensional photographing device. The two-dimensional photographing device and the three-dimensional measuring device can communi... | 12/13/2005 |
| 6972834 | Optical distance sensor An optical distance sensor includes a first substrate provided with a light emitting element and a light detecting element, a one-piece optical structure body on a second substrate, the optical structure body having optical elements for converging incident light in ... | 12/06/2005 |
| 6930763 | Three dimensional sensor laser noise reduction method A method for improving the accuracy of measurements made in non-contact gauging an object utilizing a detector to observe a laser line projected onto a surface of the object. A combination of detector lens f-number adjustments, surface scatter statistics, and laser ... | 08/16/2005 |
| 6925194 | Curved lane recognizing method in road modeling system The present invention provides a method for recognizing a curved lane, the method comprising: dividing an image processing range into an upper range and a lower range if photographs of lane images are supplied; and modeling straight lines in the two divided image pr... | 08/02/2005 |
| 6897946 | Ranger finder device and camera A range finder device, for measuring, when a plurality of projected lights having radiation patterns whose light intensity differs three-dimensional space-wise are irradiated onto an object from a light source on a time-sharing basis to image-pick up reflected light... | 05/24/2005 |
| 6850314 | Method for optical sensing A method for determining optical properties of a target, using a plurality of transmitters for transmitting signals at the target, and a plurality of receivers for detecting reflected signals from the target, comprises the steps of: a) transmitting radiation signals... | 02/01/2005 |
| 6819436 | Image capturing apparatus and distance measuring method An image capturing apparatus for obtaining information regarding a depth of a subject includes: an illumination unit operable to cast a first illumination light beam that mainly contains a first wavelength and has a first intensity distribution on a plane perpendicu... | 11/16/2004 |
| 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 |
