Matches 1 - 21 out of 21


Match Document Document Title
US20150029051 WEARABLE RADAR REFLECTORS  
A wearable radar reflector includes a retroreflector configured to reflect radiation received from a vehicle, and incorporated into a garment worn by a pedestrian.
US20090174593 METHOD OF MANUFACTURING TRANSPONDER FOR WIRELESS CARD, METHOD OF MANUFACTURING WIRELESS CARD, WIRELESS CARD TRANSPONDER, AND WIRELESS CARD  
A method of manufacturing a transponder for a wireless card includes forming an antenna coil on a film sheet, short-circuiting both end portions of the antenna coil by a short-circuit portion,...
US20130080049 System and Method for Tracking Lost Subjects  
A system and method for monitoring and tracking the position of a subject comprises, in an exemplary embodiment, a transponder configured for being co-located with the subject and a means for...
US20050068223 Analogue regenerative transponders including regenerative transponder systems  
In a transponder (19) for amplification of a received signal (60) into an antenna (1), to a signal (61) for retransmission, and where the retransmitted signal (61) possibly may have information...
US20070139221 Emergency vehicle and locomotive warning system  
An emergency vehicle and locomotive locating and warning device comprising a transponder for transmitting a radio frequency signal and a multi-signal receiver capable of receiving a signal from...
US20050099301 Method for fitting a transponder to a metal body, and a transponder module for carrying out the method  
A method for fitting a transponder with a chip and a coil to a metal body is disclosed. The coil is wound in the form of a bar and is electrically connected at its ends to the electrical...
US20070080849 Digital DPSK demodulation method and system  
An aircraft transponder comprises an antenna for receiving an RF signal a downconverter coupled to the antenna for downconverting the RF signal to an IF signal, an analog-to-digital converter...
US20090237290 RADAR TRANSPONDER  
A radar transponder which does not have a receiver/transmit switch. A radio frequency coupler of the transponder switches the antenna between the transmitter and the receiver. The coupler connects...
US20060164291 System for identification using a transponder powered by solar cells  
A system for identification of primarily man-made objects is described. A transponder at an object is arranged to be energized by an essentially infrared light beam at 700-1100 nm and sends...
US20130207831 SYSTEM AND METHOD FOR MONITORING OBJECTS, PEOPLE, ANIMALS OR PLACES  
An improved system and method for monitoring objects, people, animals, or places uses a passive Modulating Reflector (MR) tag where a characteristic of an antenna is modified according to a...
US20140225761 TRANSPONDER FOR DOPPLER RADAR, TARGET LOCATION SYSTEM USING SUCH A TRANSPONDER  
A transponder, able to equip a cooperative target facing a Doppler radar, includes at least one receiving antenna able to receive a signal transmitted by said radar and a transmitting antenna able...
US20090174592 RFID TRANSPONDER WITH PLL  
An RFID transponder comprises an antenna for receiving data in a downlink mode and transmitting data in an uplink mode, with a modulation stage for modulating uplink data and a demodulation stage...
US20130181858 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...
US20050179520 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...
US20110001655 DETERMINING PHYSICAL PROPERTIES OF STRUCTURAL MEMBERS IN DYNAMIC MULTI-PATH CLUTTER ENVIRONMENTS  
A method for determining a physical property of a structural member in a dynamic multi-path clutter environment is given. The method comprises transmitting an RF interrogation signal to a wireless...
US20120306683 Method and System for Object Localization  
This document describes a method and system for object localization. In accordance with the method an object (1) is illuminated by at least one first type of signal, and response of the signal is...
US20050233696 Method and apparatus for data communication between a base station and a transponder  
A method and system for data communication between a base station and at least one transponder via a high-frequency electromagnetic carrier signal onto which information packets are modulated....
US20150048966 METHOD AND SYSTEM FOR IDENTIFYING AND FINDING A RANGE OF AN OBJECT  
A method for identifying and ranging a wireless device, comprising: transmitting an original radar signal from a detecting system; in response to the original radar signal, receiving a modulated...
US20160363663 HIGH PRECISION TIME OF FLIGHT MEASUREMENT SYSTEM FOR INDUSTRIAL AUTOMATION  
A system for tracking position of objects in an industrial environment includes an interrogator, a transponder, and a processor. The interrogator transmits a signal and provides a first reference...
US20150054676 METHODS AND SYSTEMS FOR DETERMINING VEHICLE POSITION IN AN AUTOMATIC VEHICLE IDENTIFICATION SYSTEM  
Methods of estimating vehicle location in a roadway using an automatic vehicle identification system are described. The methods involve receiving a set of response signals from a vehicle-mounted...
US20130021193 Signal Transponder  
A signal transponder for frequency conversion of signals from unknown signal sources is provided. The transponder includes an input for receiving a signal from an unknown signal source, an input...

Matches 1 - 21 out of 21