Match Document Document Title
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...
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...
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...
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...
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...
8595018 Technique for controlling codec selection along a complex call path  
The invention relates to a technique of operating a call control node controlling at least one section of a call path. The call path includes between two opposite edge nodes a multi-section...
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...
8487809 System for response to a signal transmitted by a radar and use of this system notably for testing radars, in particular of the MTI type  
A system for response to a signal transmitted by a radar includes: a passive antenna capable of receiving and then backscattering a signal transmitted by said radar; a microwave switch connected...
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...
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...
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...
8384584 Reduced computation communication techniques for location systems  
Techniques are generally disclosed for communications between a locator device and a transponder device. The locator device may be located in a space based location such as on a surface of a...
8350767 Notch antenna having a low profile stripline feed  
Described are a notch antenna and an array antenna based on a low profile stripline feed. The notch antenna includes a planar dielectric substrate having upper and lower surfaces. Each surface has...
8351856 Adaptive inductive power supply with communication  
An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating...
8346437 Vehicle driving support device and vehicle driving support method  
When a lane-width-direction lateral position (X2obst+X0) of a vehicle (MM) reaches a predetermined control start position (60) being a lane-width-direction lateral position (X2obst+X0) serving as...
8326246 Super regenerative (SR) apparatus having plurality of parallel SR amplifiers tuned to distinct frequencies  
An apparatus, which may be configured as a receiver or transceiver, includes a plurality of super regenerative (SR) amplifiers coupled in parallel, wherein the SR amplifiers are tuned to distinct...
8315561 Adaptive inductive power supply with communication  
An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating...
8301079 Adaptive inductive power supply with communication  
An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating...
8279109 Aircraft bird strike avoidance method and apparatus using transponder  
An aircraft avian radar is implemented using an existing aircraft transponder, Mode S, or TCAS installation as the radar transmitter. To eliminate self jamming of low level avian target signals by...
8274368 Chipless microwave identification tag  
A chipless microwave identification tag (200) comprising: a dielectric substrate (210); and a plurality of antenna elements (220) made from a conductive material and disposed on at least one...
8228193 Tag having a semiconductor chip and method of attachment to article  
An application specific integrated circuit chip includes capacitors and antennas. The antennas receive energy from an outside source, and charge capacitors on the chip in order to provide power to...
8188908 System and method for measurement of distance to a tag by a modulated backscatter RFID reader  
Distance to a modulated backscatter tag is measured with a RFID reader that measures changes in phase with frequency of modulated backscattered RF signals. Measured distances are linked to a...
8159367 Methods for noise validated phase ranging RFID location  
A method and apparatus for validating a distance output of a phase ranging RFID location system, based upon the phase readings included in data sets obtained from monitoring reply signals...
8154409 Systems for and methods of assigning priority to reader antennae  
Method, systems, and articles of manufacture for assigning priority to antenna are disclosed. In accordance with a preferred embodiment of the invention, reader antenna (151, 152, 153) identify...
8149086 Security systems and methods relating to travelling vehicles  
There is provided a method for identifying, at the moment of verification, the situation of a threat to a protected ground, airspace and/or sea limits by an approaching ground vehicle, aircraft or...
8116681 Adaptive inductive power supply with communication  
An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating...
8115600 RFID detection and identification system including an RFID reader having a limited transmit time and a time-out period to protect a medical device against RFID-associated electromagnetic interference  
A system is provided for identifying implanted medical devices, leads and systems, as well as objects in close proximity to a patient having an implanted active medical device, using a radio...
8116683 Adaptive inductive power supply with communication  
An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating...
8111672 Method for data communication between a base station and a transponder  
A method for wireless data communication between a base station and at least one transponder by a high-frequency electromagnetic carrier signal, onto which information packets are modulated,...
8102304 Distance measuring equipment and distance measuring equipment monitor system  
A transponder (12) transmits a reply in response to an interrogation input thereto, the interrogation including twin pulses, and a monitoring processor (13) transmits to the transponder a pseudo...
8049624 Wireless communication method  
To provide a wireless communication method in the case where communication of a wireless signal from a communication device to a semiconductor device can be ensured, communication of a wireless...
7994918 Method and system for monitoring one or more objects by electronic device  
A method and system for monitoring one or more objects by an electronic device are provided. The method includes defining a distance threshold between the electronic device and an object having a...
7956750 Wireless IC tag  
To provide a wireless IC tag which is readable even in a plurality of countries (destination countries) using different radio frequency bands for reading. The wireless IC tag of the present...
7893863 Enhanced aircraft transponder reliability  
An aircraft system includes a transponder and a processor. The processor is configured to determine if the aircraft is positioned in a predetermined restricted flying zone. If the aircraft is...
7872594 Radar-based terrain awareness warning system attenuation alert  
The present disclosure is directed to systems and methods for providing attenuation alerts for a radar-based terrain warning. A method for providing radar-based terrain warning attenuation alerts...
7864097 Radar transponder operation with compensation for distortion due to amplitude modulation  
In radar transponder operation, a variably delayed gating signal is used to gate a received radar pulse and thereby produce a corresponding gated radar pulse for transmission back to the source of...
7859387 Backscatter transponder  
A backscatter transponder for an HF communication system with modulated reradiation, is provided that includes an antenna for receiving high-frequency carrier signals, wherein the antenna has...
7825802 Identification system and method of determining motion information  
An identification system which may be employed in a transport or monitoring system has at least one stationary and at least one mobile transmission unit which are each provided with an antenna,...
7777667 Radar target identification apparatus  
A radar target identification apparatus utilizing a pseudo-random digital code to modulate a target's return signal to include a two-dimensional range and cross range Doppler-coded return with a...
7772977 Intermodulation mitigation technique in an RFID system  
When multiple readers for RF transponders have to be placed in close proximity, such as in adjacent lanes of a highway toll barrier, they can be set to operate at different frequencies. When...
7746216 Method and circuit arrangement for holding a control state during inadequate power supply in an RF transponder or remote sensor  
An RF transponder includes an input circuit, a read/memory circuit, and a circuit arrangement for holding a control state. The circuit arrangement includes a first storage device (e.g. a...
7734270 Method and apparatus for an enhanced RFID tag interrogator  
An apparatus for an enhanced receiver for an RFID Tag Interrogator is described. The enhanced receiver has a zero crossing detector, a phase shifter, a pulse generator and a chopper. The zero...
7688182 RFID system and RFID chip equipped with sensor function  
An integrated circuit chip includes a rectifier circuit configured to convert an alternating voltage supplied from an antenna into a direct-current voltage, a nonvolatile memory coupled to the...
7667548 Oscillation maintenance circuit for half duplex transponder  
An oscillation maintenance circuit for a half-duplex transponder that has an LC resonant circuit, a storage capacitor and a rectifier connected to charge the storage capacitor with a rectified...
7646330 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...
7639137 System for identifying radio-frequency identification devices  
A system for identifying radio-frequency identification (RFID) devices is described. In one embodiment, RFID devices include an antenna and metallic pattern printed on a substrate. A probing...
7598905 Systems and methods for monitoring transponder performance  
There are presented various approaches to monitor performance of RF systems and circuitry such as those used in aircraft transponders. Such monitoring may be designed to verify operational...
7573368 Electromagnetic transponder with no autonomous power supply  
An electromagnetic transponder comprising: an oscillating circuit; a first rectifying bridge having its A.C. input terminals connected across the oscillating circuit and having its rectified...
7522878 Adaptive inductive power supply with communication  
An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating...