|
Match
|
Document |
Document Title |
|
|
8164510 |
Quantity smoother
In an embodiment, a quantity smoother includes a first stage and a second stage. The first stage is operable to receive a sequence of raw samples of a quantity and to generate from the raw samples...
|
|
|
8159387 |
Multi-transmitter interferometry
Systems and methods for obtaining target elevation information are disclosed. The systems and methods use multiple vertical transmitters and one or more receivers to infer changes in the elevation...
|
|
|
8138918 |
Intrusion detection and tracking system
An intrusion detection and tracking system includes a plurality of nodes, a DP and a gateway. The nodes are disposed about an area and form a wireless network to be monitored, the nodes are...
|
|
|
8138967 |
Multilateration system and method
A multilateration system and method includes a plurality of receiver stations for receiving signals from an aircraft, and a controller that derives the position of the aircraft by applying a...
|
|
|
8134493 |
System and method for precision geolocation utilizing multiple sensing modalities
A system and method for determining the geolocation of a signal emitter moving at an unknown velocity by combining signal data of a target detection platform (e.g., a radar system) and signal data...
|
|
|
8130136 |
System and method for target signature calculation and recognition
The present invention is directed to a system and method for the identification of a target object in PCL radar applications. The disclosed embodiments describe the systems and methods used in the...
|
|
|
8116350 |
Ultrawideband asynchronous tracking system and method
A passive tracking system is provided with a plurality of ultrawideband (UWB) receivers that is asynchronous with respect to a UWB transmitter. A geometry of the tracking system may utilize a...
|
|
|
8089392 |
Radar coordinate registration
Integration of ionospheric models in over the horizon radars (OTHR) is achieved with very little or substantially no change to existing coordinate registration systems or software by specifying a...
|
|
|
8005486 |
Precise node localization in sensor ad-hoc networks
Methods and systems for configuring ad-hoc networks, especially a self-configuring wireless sensor networks, are described. The network has an initial number of anchors with known positions that...
|
|
|
7996020 |
Locating a WLAN station using signal propagation delay
A wireless network device including: a first RF transceiver module configured to (i) for a predetermined number of times, transmit a data frame to a second RF transceiver module, and (ii) for each...
|
|
|
7952512 |
Mobile device enabled radar tags
A method is provided for mobile device enabled radar tags. A signal is transmitted to a radar tag. The radar tag detects the signal. The radar tag provides information. The information is received...
|
|
|
7948431 |
Radiobased locating system provided with a synthetic aperture
The invention relates to a method for increasing the accuracy of a measurement of a radio-based locating system comprising a mobile station and at least one fixed station, wherein the movement of a...
|
|
|
7907579 |
WiFi geolocation from carrier-managed system geolocation of a dual mode device
In one embodiment, a carrier-managed system such as the cellular network or the Global Positioning System (GPS), is leveraged to directly determine or triangulate geographic locations of the dual...
|
|
|
7877101 |
Locating a WLAN station using signal propagation delay
A wireless network device comprises a first RF transceiver module and a control module. The first RF transceiver module transmits a first data frame to a second RF transceiver module and receives a...
|
|
|
7782247 |
System and method for target location
A method for method of estimating the position of one or more target nodes based on received reflections of a primary signal. The method includes receiving a primary signal from a transmitter node...
|
|
|
7764794 |
Location-based wireless messaging for wireless devices
An apparatus and method of location-based wireless messaging wireless devices is described. The method includes the receipt of a location-based message request from a user of a wireless device...
|
|
|
7764217 |
Surface RF emitter passive ranging accuracy confirmation algorithm
Kalman gain is used to calculate range accuracy for a passive angle-of-arrival determining systems, most notably for short-baseline interferometry, in which Kalman gain after arriving at a minimum...
|
|
|
7760132 |
Method and system of three-dimensional positional finding
The present invention is an RF system and methods for finding a target T in three dimensional space configured to have a transponder disposed on the target T, a monitoring unit configured as a...
|
|
|
7750841 |
Determining positional information
Apparatus for determining positional information relating to an object, comprising: means for receiving, comprising a plurality of receiving elements; detection means for detecting signals received...
|
|
|
7742772 |
Determining relative elevation using GPS and ranging
A system and method are disclosed for determining a position of a wireless communication device. A method includes determining a respective (x,y) position of two wireless communication devices,...
|
|
|
7742773 |
Using GPS and ranging to determine relative elevation of an asset
A system and method are disclosed for determining a position of a wireless communication device. A method includes determining a respective (x,y) position of two wireless communication devices,...
|
|
|
7692572 |
Detecting and ranging apparatus and detecting and ranging program product
A detecting and ranging apparatus and a program product obtain a correct relative velocity vector by a simple calculation based on a relative distance etc. obtained by a plurality of detectors such...
|
|
|
7679562 |
Target detection apparatus and system
A target detection apparatus that includes a transmission/reception device for generating a transmission signal for detection of a target, and extracting distance information about the target from...
|
|
|
7640027 |
Mobile communication terminal capable of determining position and method of determining position in the mobile communication terminal
A mobile communication terminal capable of position determination, including: a base station information recorder recording detailed base station information corresponding to at least one base...
|
|
|
7612708 |
RF system for tracking objects
A system for tracking an object in space for position, comprises a transponder device connectable to the object. The transponder device has one or several transponder aerial(s) and a transponder...
|
|
|
7602329 |
Systems and methods of tracking and/or avoiding harm to certain devices or humans
The present invention relates to systems and methods of tracking and/or avoiding harm to certain devices or humans. According to one exemplary embodiment, a method of tracking individual assets may...
|
|
|
7590720 |
Systems and methods for locating geographical regions of mobile computer users
System and methods for locating a mobile computing unit are described. In some cases the systems and/or methods determine a geographical region in which a mobile computing unit is located using...
|
|
|
7573418 |
Tag communication apparatus, control method for tag communication apparatus, computer readable medium for tag communication control and tag communication control system
A direction estimating section estimates the incoming direction of a radio wave from an RFID tag in each of antennas. A position calculating section calculates the position of the RFID tag on the...
|
|
|
7573419 |
Method and system for unambiguous angle resolution of a sparse wide-band antenna array
The present inventive concept for bistatic or monostatic radar utilization discloses a method and a system for unambiguous angle resolution of a sparse wide-band array antenna by utilizing an ultra...
|
|
|
7558851 |
Locating a mobile computing unit
System and methods for locating a mobile computing unit are described. In some cases the systems and/or methods determine, at a mobile computing unit, the mobile computing unit's absolute...
|
|
|
7548731 |
Method to reduce power consumption of static wireless beacons and cost of infrastructure
The present invention provides for reducing power consumption of a positioning system having wireless beacons. A wireless transmitter static beacon is provided, which has a known position, signal...
|
|
|
7545311 |
Method and system for predicting air-to-surface target missile
A method and system for predicting a trajectory of an air-to-surface target missile is provided, including detecting a plurality of echo wave signals from the target missile through a plurality of...
|
|
|
7545312 |
Target detection device and its detection method
This invention relates to a target detection device and its detection method, comprising: a transmitting unit for transmitting a detecting pulse to detect target which then reflects the detecting...
|
|
|
7541968 |
System and method for detecting an intruder using impulse radio technology
An intrusion detection system and method are provided that can utilize impulse radio technology to detect when an intruder has entered a protection zone. In addition, the intrusion detection system...
|
|
|
7515090 |
High-frequency position/path sensor for detecting the approach of an object and method for detecting the approach of an object
A high-frequency position/path sensor for detecting the approach of an object, with a detection range in a near field, which comprises a high-frequency transmitter and a high-frequency receiver, is...
|
|
|
7515874 |
Directivity optimization for short-range wireless mobile communication systems
The present invention provides a short-range wireless mobile communication system with a first terminal and a mobile terminal that are each adapted for transmitting and receiving an information...
|
|
|
7479891 |
Device for rescue and safety for swimming pools and leisure parks
A rescue and safety device for swimming-pools and amusement parks, consisting of a wristband containing a cardiac-arrest detector, a panic button, a location device and, optionally, a water...
|
|
|
7466262 |
Positioning system with a sparse antenna array
In one embodiment of a positioning system, a transmit element is configured to transmit at least one electromagnetic pulse having a carrier signal frequency. An antenna array with a plurality of...
|
|
|
7427945 |
Positioning system with co-polarized and cross-polarized mapping
A local positioning system using co-polarized and cross-polarized radar mapping is provided. In one embodiment of the method, at least a first electromagnetic pulse having a first polarization is...
|
|
|
7423580 |
Method and system of three-dimensional positional finding
The present invention is an RF system and methods for finding a target T in three dimensional space configured to have a transponder disposed on the target T, a monitoring unit configured as a...
|
|
|
7417581 |
System and method for intrusion detection using a time domain radar array
A system and method for highly selective intrusion detection using a sparse array of time modulated ultra wideband (TM-UWB) radars. Two or more TM-UWB radars are arranged in a sparse array around...
|
|
|
7385551 |
Polarization sensitive synthetic aperture radar system and method for local positioning
A positioning system includes a passive, isotropic reflecting landmark at a fixed position and a device. The device transmits an electromagnetic pulse having a circular polarization and receives a...
|
|
|
7379015 |
First responder positioning apparatus
A positioning system for tracking the location of a first responder emergency worker. The system includes mobile enabler units and a personnel badge having a ranging transponder. Two enabler units...
|
|
|
7379744 |
Positioning system, positioning method, and positioning server
To provide a positioning system, a positioning method, and a positioning server, which are capable of improving accuracy in detection of a position. In a positioning system, three or more access...
|
|
|
7375675 |
Method and system for multiple target class data recording, processing and display for over-the-horizon radar
A method and apparatus are disclosed that enable an over-the-horizon-radar (OTHR) system to detect and track multiple target classes simultaneously, where target classes are defined by the speed...
|
|
|
7369941 |
Collision detection system and method of estimating target crossing location
A collision detection system and method of estimating a crossing location are provided. The system includes a first sensor for sensing an object in a field of view and sensing a first range defined...
|
|
|
7345582 |
Methods for detecting, computing and disseminating location information of weapons of mass destruction
The present invention relates systems and methods to determine the location information of a signal made from a radioactive device or hazardous material. The system employs multiple radiation...
|
|
|
7333049 |
Waveform ambiguity optimization for bistatic radar operation
A radar transmitter is at a first location on a moving platform and illuminates a target with a sequence of frequency modulated radar pulses. The frequency modulated pulses are linear frequency...
|
|
|
7321330 |
Ball measuring apparatus
The present invention provides a ball measuring apparatus capable of measuring a trajectory of a ball from a hitting position to a landing position, the landing position and a stop position. A ball...
|
|
|
7315275 |
Positioning system with intentional multi-path signal
A positioning system includes a device, having an antenna and a reflector with a known position proximate to the antenna, that transmits at least an electromagnetic pulse having a carrier signal...
|