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| Number | Title | Issue Date |
| 7839490 | Single-aperture passive rangefinder and method of determining a range A single-aperture passive rangefinder and a method of determining a range. In one embodiment, the single-aperture passive rangefinder includes: (1) an imaging system configured to form a first image that includes a point of interest at a first position and a second ... | 11/23/2010 |
| 7612870 | Single-lens aperture-coded camera for three dimensional imaging in small volumes Determining instantaneously three-dimensional coordinates of large sets of points in space using apertures associated with cameras or camera parts. An embodiment associates information from the apertures with different portions of the imager, so that portions on the... | 11/03/2009 |
| 7612869 | Aperture coded camera for three dimensional imaging A system and method for determining instantaneously the three-dimensional coordinates of large sets of points in space is disclosed. This system uses two or more CCD cameras (or any other type of camera), each with its own lens and pinhole. The CCD's are all arrange... | 11/03/2009 |
| 7576836 | Camera based six degree-of-freedom target measuring and target tracking device An embodiment may comprise a camera based target coordinate measuring system or apparatus for use in measuring the position of objects in manner that preserves a high level of accuracy. This high level of measurement accuracy is usually only associated with more exp... | 08/18/2009 |
| 7443488 | Endoscope apparatus, method of operating the endoscope apparatus, and program to be executed to implement the method An endoscope apparatus includes: an observation image capturing unit that captures an observation image of an object; a distance measuring unit that calculates an object distance from a distance measuring point, the calculation being made based on the observation im... | 10/28/2008 |
| 7164856 | Distance measurement and photometry sensor device In a distance measurement and photometry sensor device in which sensors are arranged on the same plane to be formed in the form of a semiconductor chip, a photometry sensor is arranged such that its sensor center is deviated by a predetermined distance in a directio... | 01/16/2007 |
| 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 |
| 7095487 | Systems and methods for determining depth using shuttered light pulses Systems and methods are presented that use light sensors and computing devices to compute the depth of an object using shuttered light pulses. In one embodiment, depth is determined as follows: A light emitter emits a pulse of light that is directed toward an object... | 08/22/2006 |
| 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 |
| 7071985 | Optical device and method for selecting object of focus A camera capable of automatically detecting a main object in a sensed image. A distance distribution generation unit discriminates a plurality of areas in the sensed image on the basis of a predetermined condition, and a main object area determination unit automatic... | 07/04/2006 |
| 7045783 | Device and method for object illumination and imaging using light pulses A reduced glare imaging system for motor vehicles which includes at least one light source capable of modulation. The system also includes a synchronization system which has structure for obtaining a time reference, and a trigger for modulating emissions from the li... | 05/16/2006 |
| 7042491 | Image signal output method, image signal output device, rangefinder, and imaging device An image signal output device for use in a passive range finder. The device can correct the sensitivities of sensor arrays according to the amount of incident light. The output device has line sensor portions that produce pixel outputs. An A/D converter portion A/D ... | 05/09/2006 |
| 7020391 | Sensor device A camera is disclosed which is provided with a sensor device that includes: a substrate having formed thereon which first and second line sensors that are arranged a fixed baseline length apart from each other and a third sensor for receiving light from a field whic... | 03/28/2006 |
| 6999684 | Camera system and camera A camera system which is capable of performing highly accurate focusing in a short time by using two kinds of AF methods, is disclosed. The camera system calculates the target driving amount of the focusing lens based on the result of detection by a first focus dete... | 02/14/2006 |
| 6937321 | Distance measuring method and image input device with distance measuring function A distance measuring technology capable of stably and accurately performing distance measurement of an object without any highly accurate focus control mechanism is provided. A distance measuring apparatus has a mask for restricting light so as to pass through two o... | 08/30/2005 |
| 6791672 | Sensor device A camera is disclosed which is provided with a sensor device that includes: a substrate having formed thereon which first and second line sensors that are arranged a fixed baseline length apart from each other and a third sensor for receiving light from a field whic... | 09/14/2004 |
| 6583433 | Range finder structure allowing easier filling of the transparent filler A range finder includes an improved module structure, that facilitates injecting a transparent filler uniformly into the entire light guide spaces neither leaving any unfilled region nor impairing the characteristics thereof. A channel of flow (or U-groov... | 06/24/2003 |
| 6583860 | Range finder A range finder includes a light source for emitting a light beam to an object to be measured, a detector for detecting a reflected light from the object, a measuring part for calculating the distance to the object on the basis of the reflected light detec... | 06/24/2003 |
| 6549874 | Distance measuring device A distance measuring device is provided with regulating circuit for removing offset voltages. Before conducting distance measurement, the regulating circuit outputs a reference voltage on the basis of offset voltages of an amplifier and an integrating cir... | 04/15/2003 |
| 6466306 | Night convoy maneuver adapter A reticle adapter (100) for judging distance from an object (12) is used with a viewing apparatus (A) to detect relative positions of signals from at least two spaced apart marker devices (10) formed on a first object (12). An image of the relative positi... | 10/15/2002 |
| 6327028 | Night convoy maneuver system A distance judging system (S) includes at least two spaced apart marker devices (10) formed on a first object (12) and providing a signal (14). A viewer (A) is adapted to detect relative position of the signals (14) from the markers (10), and create an im... | 12/04/2001 |
| 5914775 | Triangulation rangefinder and sight positioning system A rangefinder includes an angle sensitive transducer and a programmed data processor to calculate the distance to a target. In one embodiment, the rangefinder also includes a point-to-point measuring device. Another embodiment provides a linear actuator t... | 06/22/1999 |
| 5900927 | Variable target autofocusing and range finder for measuring distance to a subject An image pickup frame is divided into a plurality of areas. A contrast at each area is measured. An area where a main subject is located is detected by comparing contrasts at areas. A distance to a subject in the area where the main subject is located is ... | 05/04/1999 |
| 5877849 | Object detection system The present invention provides for a detection system for detecting an object, comprising optical elements including a radiation source of an electromagnetic nature and at least one detector detecting radiation reflected off the object from the radiation ... | 03/02/1999 |
| 5165064 | Mobile robot guidance and navigation system A mobile robot which has a guidance and navigation system (sometimes called a "vision" system) employing one or more arrays of ultrasonic transducers and, preferably, one or more infrared detectors, as well. Each of the ultrasonic transducers is arranged ... | 11/17/1992 |
| 5042942 | Laser location apparatus for underwater bodies A laser beam is projected from either an underwater body or an overhead support platform, with the laser energy being detected by the other piece of apparatus using a photo detector. Either the projecting or the receiving optics is servo driven to maximiz... | 08/27/1991 |
| 4948258 | Structured illumination surface profiling and ranging systems and methods Range and/or profile of a test surface, particularly a submarine surface, are determined by passing a laser beam through a holographic grating structured to emit a divergent light beam defining a two dimensional array of dots in a predetermined pattern an... | 08/14/1990 |
| 4922281 | Distance measuring device for automatic focusing camera A distance measuring device of a triangulation system type for an automatic focusing camera having a photographing optical system. The device comprises a distance measuring unit for measuring a distance to an object to be focused through the photographing... | 05/01/1990 |
| 4896962 | System for measuring the angular displacement of an object An improved helmet line of sight measuring system for determining the spatial location of a helmet and the line of sight of an observer wearing the helmet, both relative to a coordinate reference frame. A plurality of assemblies of light sources are distr... | 01/30/1990 |
| 4867556 | Apparatus for determining the path of a pulsed light beam Apparatus measures the scattered radiation received by a detector device in a measuring station (F) situated on the side of the beam path (O). The detector device has a sensitivity lobe which has a given limited lobe width (2Ɗθ) and which lobe can assum... | 09/19/1989 |
| 4815840 | Position locating system for a vehicle A position locating system for a vehicle such as a mobile robot which includes a multisector sensor for sensing the coded signal emitted by a beacon. There are means responsive to the sensor for generating a code data signal representative of the coded si... | 03/28/1989 |
| 4710020 | Beacon proximity detection system for a vehicle A proximity detection system for determining the distance between a vehicle and a navigation beacon by resolving the altitude angle between the beacon and the vehicle and determining the distance between them. The system then defines an optimum distance b... | 12/01/1987 |
| 4614426 | Passive target detector Passive target detectors which employ infra-red sensors may have difficulty in distinguishing between a cool target near the detector and a warmer one further away. A detector detects a source of infra-red radiation and if its size indicates that it may b... | 09/30/1986 |
| 4582430 | Position determination A method and apparatus for determining the relative positions of a first object (1) and a second object (3). The method comprises illuminating the first object (1) so as to produce a shadow (17) of the first object on a surface (15) lying at a known posit... | 04/15/1986 |
| 4483598 | Gun sight This invention provides an optical sight comprising a first telescope having a fixed increasing magnification whose image is combined and overlayed with the image of a second telescope having a selectable increasing magnification. The magnification of the... | 11/20/1984 |
| 4368978 | Image scanning system This specification discloses an image scanning system in which an object image formed by an optical system is electrically scanned by utilization of a photosensor array device and the image scanning output then obtained is quantized to thereby provide qua... | 01/18/1983 |
