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9024812 Systems and methods for providing antenna calibration  
Systems and methods for providing antenna calibration can be used in a variety of applications. A method of calibrating an antenna array for use in a traffic advisory system or traffic alert and...
9024803 Method for detecting a message sent by an interrogator or a transponder in mode S  
A method for detecting a message provided with a preamble with a number of pulses in a signal sent by an interrogator or a transponder in mode S, said method including a step for decomposition of...
9013347 Radar apparatus  
An embodiment of the present invention relates to a radar apparatus, wherein a distance to a target and a velocity of the target are measured by transmitting a digitally modulated transmitting...
9007215 Systems and methods for a RFID enabled metal license plate  
In the embodiments described herein, a RFID enabled license plate is constructed by using the license plate, or a retro-reflective layer formed thereon as part of the resonator configured to...
8994583 Method and device for continuous wave radar measurements  
This invention relates to a method for determining at least one of a distance and a relative velocity by means of continuous wave radar measurements. The method includes generating a measurement...
8994546 Remote monitoring of material storage containers  
Arrangement and method for monitoring a material storage container which includes a housing defining an interior receivable of removable material. An interior sensor system is arranged on the...
8981988 Radar system, transponder device, method for radar processing and computer readable media  
A radar system is provided. The system includes a radar transceiving device equipped in a movable body and for transmitting an electromagnetic wave at a first frequency, and a transponder device...
8968100 Sports training apparatus and method  
A system (234, 220, 200) for monitoring movements of one or more users and/or one or more projectiles during sports activities performed by the one or more users is provided. The one or more...
8928462 RFID system with time slot interleaving  
A method for interleaving time slots in a multi-antenna system for communication with RFID tags is disclosed. An example is shown for an eight antenna system. A first four antennas arranged...
8917202 Backscatter RFID sensor with a bend transducer  
A bend sensor for use in wirelessly sensing an amount of bend of a joint or other monitored object. The sensor includes a radio frequency (RF) antenna and an integrated circuit linked to the...
8890684 Background object sensor  
An RFD reader includes a transceiver configured to receive a first radio frequency signal reflected off at least one surface to provide baseline signal information and a second radio frequency...
8884810 Compact beacon radar and full ATC services system  
A system and method for a single site beacon transceiver including an omni-directional transceiver, a plurality of directional receiving antennas for receiving a signal, and a digital receiver for...
8860603 Method for optimizing the management of radar time for secondary radars operating in modes  
A method for the real-time management and sequencing of the information interchanges between a secondary radar and a plurality of aircraft includes the interchanges between the radar and a given...
8830065 RFID readers with run commands  
Radio Frequency Identification (RFID) readers may transmit one or more run commands specifying one or more programs for tag execution prior to tag singulation. A run command may encapsulate the...
8830062 Systems and methods to use radar in RFID systems  
Systems and methods to use radar systems for radio frequency identification (RFID) applications. In one embodiment, radar systems are adapted to use RFID communications protocols and methods to...
8825259 Detecting lane closures and lane shifts by an autonomous vehicle  
In an example implementation, an autonomous vehicle is configured to detect closures and lane shifts in a lane of travel. The vehicle is configured to operate in an autonomous mode and determine a...
8823577 Distance separation tracking system  
A distance separation tracking process is provided that includes the transmission of a periodic radio frequency original signal from a beacon transceiver. The original periodic signal from the...
RE45061 System and method for locating objects and communicating with the same  
Communication between a remote locator and a transponder is used to determine the relative position of the transponder. The transponder and locator each include a transmitter and a receiver. The...
8791824 Method for reading RFID tags using directional antennas  
A method and system for reading RFID tags in a high-density environment using a directional scanning antenna system is provided. The directional scanning antenna system consists of transmit and...
8786488 System and method for microwave ranging to a target in presence of clutter and multi-path effects  
A system for measuring the range to an RFID tag including situations containing high clutter and multi-path signals is disclosed. The system includes an RFID reader; an RFID tag; and a coordinated...
8779966 Remote interrogation for detection of activity or living organisms inside electronically conductive containers  
A system includes: a radar scanner disposed to scan the interior of a container; an interrogator in communication with the scanner; and a processing system in communication with the interrogator,...
8779968 System and method for microwave ranging to a target in presence of clutter and multi-path effects  
A system for measuring the range to an RFID tag including situations containing high clutter and multi-path signals is disclosed. The system includes an RFID reader; an RFID tag; and a coordinated...
8742975 System and method for microwave ranging to a target in presence of clutter and multi-path effects  
A system for measuring range to an RFID tag including situations containing high clutter and multi-path signals is disclosed. The system includes an RFID reader; an RFID tag; and a coordinated...
8723720 Wireless location detection and/or tracking device and associated methods  
The wireless detection beacon is for use with a Radio Frequency (RF) interrogator transmitting at a first frequency and receiving at a second frequency. The wireless detection beacon includes a...
8717227 Communication processing apparatus and distance measuring method for communication processing apparatus  
A communication processing apparatus alternately transmits a carrier wave carrying a command and receives a response from a tag while transmitting an unmodulated carrier wave. A transmission...
8717180 Sensor-activated transponder  
The present invention relates to a transponder comprising an antenna structure (31) configured to receive an incoming signal with RF power of a first frequency f1 and to retransmit the incoming...
8681040 System and method for aiding pilots in resolving flight ID confusion  
The present invention is a method for aiding pilots in resolving flight identifier (flight ID) confusion. The method includes receiving a first flight ID in a processing system. The method further...
8665138 Method and system for reducing light pollution  
A system for preventing light pollution includes one or more radar units that monitor for vehicles in a volume surrounding or containing one or more obstructions having one or more obstruction...
8659430 Radio frequency signal acquisition and source location system  
A radio frequency signal acquistion and source location system, including a first signal acquisition and source location module comprising an RF transceiver coupled to an antenna, the antenna...
8654003 Omnidirectional pseudo-antenna for interrogator or system allowing the interrogation response and/or passive listening functions  
System and method making it possible to operate in an interrogator mode and/or in a passive listening mode wherein it comprises in combination at least the following elements: an antenna (6)...
8638255 System for reading information transmitted from a transponder  
A reader device (110) for reading information transmitted from a transponder (130) via a backscatter signal (132) generated by the transponder (130) in response to a stimulus signal (112)...
8626249 Charging station that operates as an intermediary device between mobile devices and other devices  
A charging station for mobile devices that acts as an intermediary device to facilitate communication between mobile devices and other proximate devices. The charging station may receive data with...
8624774 Method and system of locating objects  
The invention concerns a method and system of locating objects by means of UWB signals, the system including a search device (D1), incorporated in a portable apparatus (11) and provided with a...
RE44691 Multi-frequency identification device  
The present invention comprises a radio frequency identification device that utilizes multiple operating frequencies. In one embodiment of the present invention, one frequency (e.g., an ultra-high...
8610618 Method for identifying a facility on the ground or at sea  
The present invention includes a method for identifying a facility on the ground or at sea, the method being implemented on an airborne responder linked to at least two antennas, the method...
8604965 Apparatus and method to generate and detect virtual targets  
An apparatus and method to generate and detect virtual targets. Position information for one or more virtual targets is calculated onboard a vehicle from real position information obtained from...
8593331 RF ranging-assisted local motion sensing  
Example methods, apparatuses, and articles of manufacture are disclosed herein that may be utilized to facilitate or otherwise support RF ranging-assisted local motion sensing based, at least in...
8576114 Location of a transponder center point  
In a radio location system for vehicles moving along a guideway, a transmitter for energizes a transponder beside the guideway. A first detector for detects a response signal from the energized...
8571609 Wireless power transmission method  
A wireless power transmission method is provided. The method includes exchanging information for wireless power transmission between a wireless power transmission device and a terminal, in order...
8535183 Goal detector for detection of an object passing a goal plane  
A system is disclosed for detection of whether a movable object, such as a sports object, e.g. a football or an ice hockey puck, has passed goal plane. It is known to encircle the goal plane with...
8477061 Method and system for preventing anti-aircraft warfare engagement with neutral aircraft  
A method and system that prevents engagement with neutral aircraft utilizes secondary surveillance radar (SSR) in conjunction with traffic alert collision avoidance systems (TCAS) conventionally...
8462042 Generating a kinematic indicator for combat identification classification  
In accordance with a particular embodiment of the invention, a kinematic indicator generator may receive tracking data describing the position and velocity of a target. The tracking data may be...
8441391 Ultra-secure communication methods and apparatus  
A secure communication topology can be used for communications between a locator and one or more transponders to determine the location of the transponders. An example system may include a locator...
8432253 Zone determination by combining signal strength with topological factors  
Active RFID technologies are used to tag assets and people within buildings or open areas, such as parking lots or military bases; and to identify, preferably within a few meters, the real-time...
8421631 Radio frequency signal acquisition and source location system  
A radio frequency signal acquisition and source location system, including a first signal acquisition and source location module comprising an RF transceiver coupled to an antenna, the antenna...
8405539 Target identification method for a synthetic aperture radar system  
In a synthetic aperture radar system monitoring an area containing at least one moving target for identification, the target is equipped with an identification device, which receives the radar...
8405543 Circuit and method for distance measurement between two nodes of a radio network  
A circuit of a node of a radio network, and a method for distance measurement with a transceiver for receiving a first signal with a first frequency by downmixing to an intermediate frequency,...
8400347 Device and method for monitoring the location of aircraft on the ground  
The invention relates to a monitoring device and method allowing surveillance of an aircraft in relation to aircraft and/or craft on an airport displacement zone. The invention is a system...
8400279 Wireless communication tag and wireless communication system  
A wireless communication tag according to the present invention includes a first antenna 8 previously set with predetermined identification information, and for wirelessly communicating various...
8400274 Accurate persistent nodes  
A timing circuit that can function as an accurate persistent node in an RFID tag includes a power capture circuit for capturing power from a power source, and a counter circuit that provides a...