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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. |
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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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.... |
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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... |
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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... |
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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... |
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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... |