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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...
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...
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...
7386226 Stereo camera system and stereo optical module  
This stereo camera system is constituted of a stereo optical module which acquires a stereo image, a central control unit which evaluates an object as a target based on the stereo image acquired by...
7379016 Carrier phase detection system for radar sensors  
A pulse detection system for expanded time radar, laser and TDR sensors detects specific cycles within bursts of cycles. A sensor transmits and receives short bursts of RF cycles. A transmit pulse...
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...
7362451 Sensor device  
To provide a displacement sensor device capable of fast data read-out processing. A sensor device includes: a light-emitting element for irradiating an object to be measured with light at a...
7359817 Method of and device for re-calibrating three-dimensional visual sensor in robot system  
A re-calibration method and device for a three-dimensional visual sensor of a robot system, whereby the work load required for re-calibration is mitigated. While the visual sensor is normal, the...
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...
7339148 Confocal microscope  
A scanning optical microscope including: a light source; a lens for altering the cross-sectional shape aspect ratio of a beam of light emitted from the light source; at least one lens for...
7333182 Range finder and method of reducing signal noise therefrom  
A range finder includes an optical sensor circuit including optical sensors and an integrator circuit disposed for the optical sensors. It further includes selection switches (MOSFETs), which...
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...
7330565 Scale insensitive vehicle detection algorithm for flir imagery  
An algorithm for the detection of military vehicles in FLIR imagery is used as a prescreener to eliminate large areas of the image from further analysis. The output is a list of likely target...
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...
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...
7293366 Distance measurement device  
The invention starts with a range finder with a measuring device and at least one measuring limit stop body ( 12 ), which can be moved out of a housing ( 10 ) and features at least one measuring...
7292179 Instantaneous passive range finding  
A method and apparatus for use in determining the range in a single time sample from a platform to a target are disclosed. The method includes receiving radiation emanating from the target at two...
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...
7262863 Distance measuring device  
A distance measuring device has at least one oscillator ( 26 ) which produces a basic signal at a fundamental frequency (f 0 ) and a first circuit device ( 30 ) which produces a first signal at a...
7259375 Special effects video camera  
The invention provides a video camera fitted with telemetry means which provide, in parallel with the image, information relating to the distance of each of the filmed points of an image. A clip...
7242789 Moving-body detecting image sensor  
Two photodetectors output electric signals based on the detection of light at light receiving sections mutually spaced apart. The output signal of one of the photodetectors is delayed and a first...
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...
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...
7230724 Three-dimensional measuring apparatus for scanning an object and a measurement head of a three-dimensional measuring apparatus and method of using the same  
An improved three-dimensional (3D) measuring apparatus for scanning an object and a measurement head of a measuring apparatus and a method for using the measuring apparatus for scanning an object.
7227144 Scanning transmission electron microscope and scanning transmission electron microscopy  
A scanning transmission electron microscope which enhances correction accuracy of a de-scanning coil for canceling a transmitted-electron-beam position change on an electron detector. Here, this...
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...
7208720 Intrusion detection system  
An intrusion detection system comprises a pair of optical lenses arranged a predetermined distance apart and having overlapping fields of view within an area to be monitored to form a common field...
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...
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...
7164116 Monitor for intrusion detection  
A monitor for intrusion detection features a detecting arrangement for detecting an intruding object in a 3-dimensional area and outputting corresponding detection information, a setting...
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...
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...
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...
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...
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...
7148958 Method and system for measuring height or relatively axial position  
A pair of rotary laser devices are vertically arranged while aligning their respective axes into a single axis and keeping said rotary laser devices away from each other in an axial direction...
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...
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...
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...
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...
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...
7130035 Target for surveying instrument  
A target for a surveying instrument, which receives from the surveying instrument a laser point light indicating a position and a distance measuring light to measure a distance, comprising a...
7130027 Reflection-photometric analytical system  
This invention generally relates to a reflection-photometric analytical system having a measuring head comprising a source of radiation and a radiation detector for the reflection-photometric...
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...
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...
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...
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...
7113271 Method to accurately measure the angular orientation of a rotating axis to a reference line  
A method is described that measures the angular orientation of a rotational axis to a reference line. The reference line is defined by the position of a string. The alignment device includes a...
7106422 Rangefinder and measuring method  
A Rangefinder capable of long and short distance measurement in company with compass measurement. The rangefinder includes distance measurement unit, a compass sensing unit and a processor. The...
7106421 Method of adjusting axial direction of monitoring apparatus  
A method for a monitoring apparatus using a radar and a camera to detect an object. The radar and the camera each have its own detection area and the method is for detecting and correcting the...