172319 ⎘
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 amplitude comparison of signals derived from static detectors or detector systems
Sub-classes:MESSAGING SYSTEMS
#2SENSOR APPARATUS FOR MOUNTING ON A VEHICLE WINDOW TO DETERMINE THE POSITION OF THE SUN
#3OPTICAL-ACOUSTIC SHOOTER DETECTION AND LOCALIZATION, INCLUDING RAPID-FIRE EVENTS AND SIMULTANEOUS EVENTS
#4DETECTION DEVICE, SYSTEM AND METHOD FOR DETERMINATION OF INCIDENCE ANGLE OF AN OPTICAL BEAM
#5Retail light-based sensor-driven messaging systems
#6Retail light-based sensor-driven messaging systems
#7Multiuse optical sensor
#8Dual-mode commercial messaging systems
#9Target tracking device comprising a photodetector with quadrants
#10Dual-mode commercial messaging systems
#11Optical sensor and optical sensor system
#12Detector for optically detecting at least one object
#13Light-based commercial messaging systems
#14Celestial positioning system and method
#15Optical sensor device
#16Spherically constrained optical seeker assembly
#17Systems and methods for medical image scanning positioning
#18Distinguishing devices having positions and directions
#19Optical sensor and optical sensor system
#20INTEGRATED ELECTROMAGNETIC SEEKER
#21Sky polarization and sun sensor system and method
#22SYSTEM FOR MEASURING THE POSITION AND MOVEMENT OF AN OBJECT
#23OPTOELECTRONIC SENSOR AND METHOD FOR OPTICAL MONITORING
#24Mobile devices for tracking a radiation disk light source and methods using same
#25Wireless transmitting/receiving system, wireless receiving device and wireless transmitting/receiving method
#26E-field based projectile detection and characterization system
#27Systems and methods for flash localization using at least two photodiodes
#28Control system for construction machine
#29Distinguishing devices having positions and directions
#30Sensor device for determining ambient conditions of a vehicle, in particular of a motor vehicle and method for determining the position of the sun
#31Method and apparatus for estimating reflectance parameters and a position of a light source in a scene
#32Apparatus and method of measuring six degrees of freedom
#33Portable electronic device proximity sensors with multi-directional functionality
#34Detector for determining a position of at least one object
#35Angular localization system, associated repositionable mechanical structure, and associated method
#36Positioning system of sweeper and positioning method of the positioning system
#37Vector light sensor and array thereof
#38Optical sensor and optical sensor system
#39System and method for improved location accuracy
#40Apparatus and method for sensing high precision signal using infrared light
#41Photosensitive element assembly
#42Arrangement and method for determining the spatial direction of radiation incidence
#43Sky polarization and sun sensor system and method
#44Optical time-of-flight system
#45Moving platform orientation tracking system
#46Object detection device
#47Ratio-metric horizon sensing using an array of thermopiles
#48Incident capacitive sensor
#49OPTICAL DETECTOR
#50Optical window and detection system employing the same
#51Miniature laser seeker electro-optics
#52Coherent optical signal processing
#53Coherent optical signal processing
#54High-resolution optical position sensing with sparse, low-resolution detectors
#55Apparatus and method for sensing high precision signal using infrared light
#56Threat detection systems and methods using position-sensing photodiodes
#57Radiation sensor for detecting the position and intensity of a radiation source
#58Biomimetic compound eye optical sensor and fabricating method thereof
#59Solar sensor for the detection of the direction of incidence and the intensity of solar radiation
#60Infrared positioning apparatus and system thereof
#61BEAM IRRADIATION APPARATUS
#62Body mounted detector and method for detecting flash in solar blind ultraviolet spectral region
#63Multiuse optical sensor
#64Radiation sensor for detecting the position and intensity of a radiation source
#65Beam irradiation device
#66Position measurement systems using position sensitive detectors
#67Optical angle of arrival measurement system and method
#68BEAM IRRADIATION DEVICE AND POSITION DETECTING DEVICE
#69Target tracking device and method
#70Adaptive pulse detection for all-digital line-of-sight (LOS) processor
#71Method of locating an object in 3D
#72METHOD OF LOCATING AN OBJECT IN 3-D
#73Method of locating an object in 3-D
#74Method of locating an object in 3D
#75Method of locating an object in 3D
#76Method of locating an object in 3-D
#77Spectral filter with dye-impregnated resonant nano-spheres
#78Light angle detection device, method for fabrication thereof and electronic device employing same
#79Infrared array sensor
#80GPS device and integrated circuit with an on-chip gyrator
#81High precision wide-angle electro-optical positioning system and method
#82Target tracking device and method
#83Electromagnetic Energy Propagation Direction Sensor and Method of Using Same
#84GPS device and integrated circuit with an on-chip gyrator
#85Method and system for controlling an air-conditioning unit
#86Collision Avoidance Warning And Taxi Guidance Device
#87Laser direction detection
#88Vehicular radar system
#89Fiber optic laser detection and ranging system
#90Portable air defense ground based launch detection system
#91Technique for lensless optical positioning with a plurality of light collectors
#92Apparatus and methods for detecting and locating signals
#93Detection of an electromagnetic signal
#94Method and device to identify a periodic light source
#95Laser receiver and laser receiving system
#96Light detecting and angle of view compensation for optical devices and method
#97Centroid locating sensors having plural spatial filtering logic circuits connected to plural digitization comparators and methods for locating an illuminated spot on a detector