Patents
Patents for G01S 3 - 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 (11,105)
10/2007
10/31/2007CN200968988Y 144MHz wave band radio direction finding machine
10/30/2007US7289391 Narrowband phase difference measurement technique for sonar applications
10/30/2007US7289389 Resolving directional information in sonar arrays
10/30/2007US7289056 Wireless communication system and method of operating in the presence of a radar system
10/25/2007US20070247368 System and method for multilaterating a position of a target using mobile remote receiving units
10/25/2007US20070247367 Secure wireless user localization scheme using transmission range variation
10/25/2007US20070247366 Wireless postion location and tracking system
10/24/2007EP1846778A1 1d or 2d goniometry method of diffuse sources
10/24/2007CN200966059Y Movable single channel radio surveillance and correlation interference direction finding device
10/24/2007CN200965569Y Movable double channel radio monitoring and correlation interference direction measuring device
10/24/2007CN100345402C High resolution estimation method for incoming wave direction of mobile communication system
10/23/2007US7286844 Systems and methods for three dimensional antenna selection and power control in an Ad-Hoc wireless network
10/23/2007US7286591 Synchronizing position detecting circuit
10/23/2007US7286159 Ball motion measuring apparatus
10/23/2007US7285951 Method and device for magnetic measurement of the position and orientation of a mobile object relative to a fixed structure
10/23/2007CA2317414C Communications localization system
10/18/2007WO2007117667A2 Light source orientation detector
10/18/2007WO2007115650A1 Device and method for detecting one or more objects in the environment of a vehicle
10/18/2007US20070241965 Location and tracking of people with combined use of RF infrascture and dead reckoning modules
10/18/2007US20070241964 Method and system for positioning mobile units based on angle measurements
10/18/2007US20070241963 Calibration of a device location measurement system that utilizes wireless signal strengths
10/18/2007US20070241949 Digitizer Arrangement
10/18/2007DE102006019588B3 Sound emitting target bearing method, involves empirically determining and storing time-delay coefficients for each carrier-based bearing angle, and calculating bearing angle for north-referred bearing angle with heading of antenna carrier
10/17/2007CN101057157A Reconfigureable arrays of wireless access points
10/17/2007CN100343689C Method and system for calibrating wireless location system
10/16/2007US7283799 Cancellation system for frequency reuse in microwave communications
10/16/2007US7283424 High speed underwater projectile tracking system and method
10/16/2007US7283093 Method and system for monitoring location based service emitter infrastructure
10/16/2007US7283090 System for standard positioning service and precise positioning service cooperative operation
10/11/2007US20070238428 Processor for a passive ranger
10/11/2007US20070237357 Visual sensing for large-scale tracking
10/11/2007US20070237213 Method for estimating one or more parameters of a ultra wideband signal and a receiver system for receiving ultra wideband signals
10/11/2007US20070237030 Systems and methods for determining shooter locations with weak muzzle detection
10/11/2007US20070237029 Frequency matched relative position tracking system
10/11/2007US20070236389 Reference beacon methods and apparatus for tdoa/fdoa geolocation
10/10/2007EP1843487A1 Radio Communication Device and Arrival Direction Estimation Method
10/10/2007EP1842039A1 Method of detecting sources of coherent radiation and a device utiliying the method
10/10/2007EP0779991B1 Wireless telephone distribution system with time and space diversity transmission
10/09/2007US7280897 Intervisibility determination
10/04/2007US20070233321 Position detecting device, autonomous mobile device, method, and computer program product
10/04/2007US20070230271 System and Method for Detection Using Ultrasonic Waves
10/04/2007US20070229799 Low-Cost Doppler Frequency Shift Measuring Device
10/04/2007US20070229356 Devices, systems and method of determining the location of mobile personnel
10/04/2007US20070229353 Method for Frequency-Driven Generation of a MultiResolution Decomposition of the Input to Wave-Based Sensing Arrays
10/03/2007EP1840589A1 Device for acoustic location and intensity measurement
10/03/2007EP1839069A1 Method for determining the orientation of an antenna array
10/03/2007CN100340957C Acoustic condition sensor employing plurality of mutually non-orthogonal waves
10/02/2007US7277359 Navigation processor, a system comprising such a navigation processor and a method of controlling an underwater system by such a navigation processor
10/02/2007US7277358 Apparatus, method and system for digitally transmitting acoustic pulse gun signals
10/02/2007US7277054 Method for positioning, a positioning system, and an electronic device
10/02/2007US7277052 Method for the multistatic detection and locating of a mobile craft through the use of digital broadcasting transmitters
10/02/2007US7277050 Positioning system
09/2007
09/27/2007US20070222679 Position determination by directional broadcast
09/27/2007US20070222674 Automated asset positioning for location and inventory tracking using multiple positioning techniques
09/27/2007US20070222672 Method for Processing Signals in a Direction-Finding System
09/26/2007EP1800147A4 Blind signal separation using signal path selection
09/26/2007CN200953534Y Vertical plate wind and light effective power generator
09/26/2007CN101042803A Electric evidence obtaining for vehicle breaking rule to whistle, electric policeman system and evidence obtaining method
09/25/2007US7274332 Multiple evaluators for evaluation of a purality of conditions
09/20/2007WO2006126966A3 System and process for displaying a target
09/20/2007WO2006105489A3 Location determination utilizing environmental factors
09/20/2007WO2006099403A3 Communications device with adaptive decoding and associated methods
09/20/2007WO2005048073A3 Upload security scheme
09/20/2007US20070219742 System and method for resolving phase ambiguity of a transducer array to determine direction of arrival of received signals
09/20/2007US20070216577 Method for Tracking a Transmitter by Means of a Synthetic Sparse Antenna Network
09/20/2007US20070216576 Ultrasonic Football Linesman
09/19/2007EP1792198A4 Blind signal separation using a combination of correlated and uncorrelated antenna elements
09/19/2007EP1792197A4 Blind signal separation using spreading codes
09/19/2007EP1305975A4 Adaptive microphone array system with preserving binaural cues
09/19/2007CN101038334A Doppler wireless direction-finding system
09/19/2007CN101038333A Doppler wireless direction finding method
09/19/2007CN100338474C System and method for determining location of transmitter using passive reflectors or refractors as proxy receivers
09/19/2007CN100338473C System and method for determining location of transmitter using passive reflectors or refractors as proxy receivers and using database querying
09/18/2007US7272495 System and method for inverse multilateration
09/18/2007US7272073 Method and device for generating information relating to the relative position of a set of at least three acoustic transducers
09/18/2007US7271766 Satellite and local system position determination
09/18/2007US7271765 Applications processor including a database system, for use in a wireless location system
09/18/2007US7271764 Time of arrival estimation mechanism
09/13/2007WO2007101451A1 Method and system for estimating directions-of-arrival in low power or low sample size scenarios
09/13/2007US20070210961 Detemining location information of network equipment in wireless communication systems
09/13/2007DE112005001916T5 Bandbreiteneffizientes System und Verfahren zur Distanzmessung von Knoten in einem drahtlosen Kommunikationsnetzwerk Bandwidth efficient system and method for distance measurement of nodes in a wireless communication network
09/13/2007DE102007011440A1 Radar device e.g. vehicle radar device, for determining direction of object, has transformation unit transforming surging signal of each antenna unit, and correlation matrix generating unit generating correlation matrix of receiving vector
09/12/2007EP1792366A4 Blind signal separation using array deflection
09/11/2007US7269506 System and method for networking a plurality of nodes
09/11/2007US7268726 Method and apparatus for correction of quantization-induced beacon beam errors
09/06/2007US20070205941 Method For Position Determination With Measurement Stitching
09/05/2007EP1792367A4 Blind signal separation using i and q components
09/05/2007EP1695414A4 Improved antenna system for tracking moving object mounted satellite and its operating method
09/05/2007CN101030328A Violation whistling automatic evidence-collecting method for vehicle
09/05/2007CN101030327A Violation whistling electronic evidence-collecting method for vehicle
09/05/2007CN101030326A Violation whistling electronic police system for vehicle
09/05/2007CN101030325A Automatic evidence collecting system for vehicle horning against traffic regulation
09/05/2007CN101030324A Electronic police device on crossroad for vehicle horning against traffic regulation
09/05/2007CN101030323A Automatic evidence collecting device on crossroad for vehicle horning against traffic regulation
09/04/2007US7266045 Gunshot detection sensor with display
09/04/2007US7266044 Method and apparatus for acoustic source tracking using a horizontal line array
09/04/2007US7266043 Method for directional location and locating system
09/04/2007US7265716 Positioning of mobile wireless terminal
09/04/2007US7265715 Communications device with adaptive decoding and associated methods
09/04/2007US7265714 Pattern diversity to support a MIMO communications system and associated methods
1 ... 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 ... 112