172323 ⎘
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves; Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
Sub-classes:DYNAMIC SELECTION AND MODIFICATION OF TRACKING DEVICE BEHAVIOR MODELS
#2SYSTEMS AND METHODS FOR DETERMINING ABSOLUTE VELOCITY AND POSITION OF A SENSOR DEVICE FOR MEASURING FLUID AND FLUID CONDUIT PROPERTIES
#3METHOD FOR LOCATING A TARGET BY MEANS OF A DETECTOR HAVING A PLURALITY OF QUADRANTS
#4Dynamic selection and modification of tracking device behavior models
#5Systems and methods for determining absolute velocity and position of a sensor device for measuring fluid and fluid conduit properties
#6Tracking device capable of changing tracking method in three types
#7Dynamic selection and modification of tracking device behavior models
#8Optical sensor with Tx/Rx aperture sharing element (ASE) for processing passive and active signals
#9Dynamic selection and modification of tracking device behavior models
#10Characterizing tropospheric boundary layer thermodynamic and refractivity profiles utilizing selected waveband infrared observations
#11Registration of three-dimensional coordinates measured on interior and exterior portions of an object
#12Inertially-assisted target detection
#13Sunlight sensing apparatus of sunlight tracker comprising plural sensors with a control operation driven by the sensor power charged by a power supply portion
#14Passive altimeter system for a platform and method thereof
#15Smart track a system for tracking and/or controlling change of location based events
#16Baffled calotte dome observation and/or communications system
#17Dynamic selection and modification of tracking device behavior models
#18Intelligent object tracking using object-identifying code
#19Intelligent object tracking using a reflective light source
#20Photogrammetry system and method of operation
#21Photogrammetry system and method of operation
#22APPARATUS AND METHOD FOR RISLEY PRISM BASED STAR TRACKER AND CELESTIAL NAVIGATION SYSTEM
#23Dynamic selection and modification of tracking device behavior models
#24Method and apparatus for following an operator and locking onto a retroreflector with a laser tracker
#25Triangulation scanner and camera for augmented reality
#26Intelligent object tracking
#27Registration of three-dimensional coordinates measured on interior and exterior portions of an object
#28Dynamic selection and modification of tracking device behavior models
#29System and Method for Passive Tracking Based on Color Features
#30DETECTOR FOR AN OPTICAL DETECTION OF AT LEAST ONE OBJECT
#31Method and apparatus for using gestures to control a measurement device
#32Registration of three-dimensional coordinates measured on interior and exterior portions of an object
#33Device and method for measuring flight data of flying objects using high speed video camera and computer readable recording medium having program for performing the same
#34Method and apparatus for following an operator and locking onto a retroreflector with a laser tracker
#35Triangulation scanner and camera for augmented reality
#36APPARATUS AND METHOD FOR RELOCATING AN ARTICULATING-ARM COORDINATE MEASURING MACHINE
#37APPARATUS AND METHOD FOR RELOCATING AN ARTICULATING-ARM COORDINATE MEASURING MACHINE
#38Polyhedral sensor arrangement and method for operating a polyhedral sensor arrangement
#393D laser projection, scanning and object tracking
#40Feedback gain adjusting method and device of tracking-type laser interferometer and tracking-type laser interferometer
#41Scheme capable of calibrating value of sampling precision of optical sensor for tracking
#42Satellite tracking with a portable telescope and star camera
#43Visual augmentation system effectiveness measurement apparatus and methods
#44Distance measuring device and distance measuring method thereof
#45Method for controlling ultrasonic motor and surveying instrument for the same
#46Detection unit and method for identifying and monitoring clouds in an observed area of the sky
#47Method and apparatus for following an operator and locking onto a retroreflector with a laser tracker
#48METHOD AND APPARATUS FOR IMAGING THE SILHOUETTE OF AN OBJECT OCCLUDING A LIGHT SOURCE USING A SYNTHETIC APERTURE
#49Method and apparatus for using gestures to control a laser tracker
#50Triangulation scanner and camera for augmented reality
#51Tracking apparatus using light through rotating transmissive diffraction patterns, and method
#52Length artifact and method of measurement
#53Registration of three-dimensional coordinates measured on interior and exterior portions of an object
#54OBJECT RECOGNITION DEVICE
#55Method and apparatus for following an operator and locking onto a retroreflector with a laser tracker
#56Method for tracking a target vehicle approaching a motor vehicle by means of a camera system of the motor vehicle, camera system and motor vehicle
#57Flexible three-dimensional long-path gas sensing by unmanned vehicles
#58System for measuring six degrees of freedom
#59Method and apparatus for using gestures to control a laser tracker
#60Optical waveguide coude path for gimbaled systems having an optical coupling element
#61Systems, methods, and apparatus for optical bore sight error measurement and correction
#62Automatic survey instrument
#633D laser projection, scanning and object tracking
#64Optical ground tracking apparatus, systems, and methods
#65Apparatus and method of measuring six degrees of freedom
#66Measurement system using tracking-type laser interferometer and return method of the measurement system
#67Pedestrian path predictions
#68Compound eye laser tracking device
#69Detector having a transversal optical sensor and a longitudinal optical sensor
#70Method and apparatus for using gestures to control a laser tracker
#71Surveying device having a fine targeting and target tracking functionality
#72Aero-wave instrument for the measurement of the optical wave-front disturbances in the airflow around airborne systems
#73Aero-wave instrument for the measurement of the optical wave-front disturbances in the airflow around airborne systems
#74Non-adjustable pointer-tracker gimbal used for directed infrared countermeasures systems
#75Method and apparatus for following an operator and locking onto a retroreflector with a laser tracker
#76Asynchronous pulse detection through sequential time sampling of optically spread signals
#77Combined orbit and attitude determination system and methods
#78Automated camera tracking system for tracking objects
#79GNSS jammer detection system with optical tracking and identification
#80Methods and apparatus for target identification
#81Scanning space observation optical system
#82MONITORING MOTION USING SKELETON RECORDING DEVICES
#83Compact opto-electronic sensor modules for detecting gestures or other movements by a user
#84Detector comprising a transversal optical sensor for detecting a transversal position of a light beam from an object and a longitudinal optical sensor sensing a beam cross-section of the light beam in a sensor region
#85Afocal telescope configured as three or four mirror anastigmat for back-scanned imagery
#86Method, apparatus, and system for acquiring visual angle
#87Adaptive switching between vision aided INS and vision only pose
#88Combined location and attitude determination system and methods
#89Method and device for measuring the angular velocity of a luminance transition zone and steering aid system for fixation and tracking a target comprising at least one such luminance transition zone
#90OPTICAL DETECTOR
#91Transparent silicon detector and multimode seeker using the detector
#92Automatic depth camera aiming
#93Methods for Target Tracking, Classification and Identification by Using Foveal Sensors
#94Systems and methods for targeting directed energy devices
#95Servo-Controlled Bistatic Anemometric Probe
#96Histogram-based object tracking apparatus and method
#97Joint position-pitch estimation of acoustic sources for their tracking and separation
#98Light source direction detection device and method for detecting light source direction
#99Laser target seeker device
#100Systems and methods for targeting directed energy devices
#101Methods and apparatus for target identification
#102Exclusion zone guidance method for spacecraft
#103Monitoring Apparatus, Monitoring Method, and Program
#104Method and apparatus of using optical distortion in a directed countermeasure system to provide a variable field of view
#105Optical tracking system using variable focal length lens
#106Laser-tethered vehicle
#107Missile deflector for airplanes
#108Dynamic selection and modification of tracking device behavior models
#109Two-axis interferometric tracking utilizing pairs of shearing interferometers
#110Dynamic selection and modification of tracking device behavior models
#111Dynamic selection and modification of tracking device behavior models
#112Weight-loaded target carrier for laser tracking