Matches 451 - 500 out of 739 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
6897827 Installation structure for RFID tag, method for installing RFID tag, and communication using such RFID tag  
An RFID tag installing structure for installing a microminiaturized RFID tag having a cylindrical antenna coil to a conductive member, an RFID installing method, and communication method are...
6891474 Electromagnetic identification label for anti-counterfeiting, authentication, and tamper-protection  
A radio frequency identification label is comprised of a tag circuit 310 electrically coupled to a defined marker region 330 such that the information generated by the tag circuit is dependent...
6891466 Broad bandwidth, high impedance transponder for electronic identification system  
A transponder 14.1 for an electronic radio frequency identification system comprises an antenna 18 having an antenna impedance at a feedpoint thereof. The transponder further comprises an...
6888509 Tamper indicating radio frequency identification label  
A tamper indicating label is provided. The label may include RFID components and a tamper track coupled to the RFID components. The tamper track should be constructed from a destructible conducting...
6888502 Microstrip antenna for an identification appliance  
An identification appliance, such as a wristband, bracelet, patch, headband, necklace, card, sticker, or other wearable appliance, has an improved patch or microstrip antenna. The microstrip...
6879258 IC card having a mica film for stable resonance frequency and enhanced antenna properties  
An IC card 10 A has a mica capacitor that comprises a mica film 1 and electrodes 6 a, 6 b formed on both sides thereof, where the mica film 1 serves as a mounting substrate for an antenna...
6870460 Input impedance arrangement for RF transponder  
A transponder 14.1 for a radio frequency (RF) identification system comprises an antenna 22.1 having an antenna impedance (Z A ) having a real part (R A ) connected to transponder circuitry...
6867696 Wireless transmission of signals and statuses from mobile devices to stationary or mobile devices  
A device is provided for wireless transmission and evaluation of signals and switching statuses from at least one mobile device ( 10 ) to a second device ( 11 ), where at least one of the devices...
6856238 Apparatus and method for user control of appliances  
Apparatus ( 10 ) and a method for rendering a weapon ( 12 ) incapable of use unless authorized by a specified individual. More than one person may be authorized to use the weapon, however only one...
6851617 Laser imageable RFID label/tag  
Radio-frequency identification (RFID) tags and labels are produced having customized variable imprinting. Sheets of paper are used to form a simple and inexpensive structure for supporting and...
6850161 Systems and methods for identifying and mapping conduit location  
A system ( 100 ) for mapping an underground object ( 145 ) includes a conduit location recording device 105 and a server ( 115 ). The conduit location recording device ( 105 ) senses an...
6848616 System and method for selective communication with RFID transponders  
A system having an RFID transceiver is adapted to communicate exclusively with a single RFID transponder located in a predetermined confined transponder target area. The system includes a magnetic...
6850162 Communicative glove containing embedded microchip  
The present invention provides a communicative glove which includes means for monitoring the glove's integrity such that a breach of the glove's barrier may be detected, or in some cases...
6844857 Returnable item for use in storage and transportation of commercial goods  
A container ( 10 ) (or other returnable item) for the storage and delivery of goods, comprises antenna means ( 16 ) for radio frequency use, and connection means ( 18 ) for receiving a removable...
6836216 Electronic article surveillance system  
An electronic article surveillance system is disclosed. The system utilizes interaction between magnetic fields generated by a plurality of antennae elements to generate magnetic field in different...
6834251 Methods and devices for identifying, sensing and tracking objects over a surface  
Methods and devices are disclosed for identifying objects over a surface and for tracking the position of said objects in relation to the sensing surface. The methods include the steps of providing...
6833790 Livestock chute scanner  
A method and apparatus are provided to identify objects, including livestock. In one embodiment, a device is presented that includes a reflector shield mounted proximate the interrogator that is...
6828905 System for monitoring and for signaling by radio the pressure in pneumatic tires on motor vehicles  
A system for monitoring and signaling by radio a pressure or a change in pressure in pneumatic tires of wheels on vehicles consists of a receiver unit provided in or on the vehicle to which at...
6825766 Industrial data capture system including a choke point portal and tracking software for radio frequency identification of cargo  
A radio frequency identification (RFID) capture system for identifying and recording information parameters associated with cargo items. A choke point portal defines a doorway through which passes...
6819246 Method and apparatus for converting electromagnetic energy of objects  
The invention relates to a method for identifying objects, in which method electromagnetic radiation is imposed on the object ( 22-25 ) to be identified. According to the invention, such an...
6819245 Security system  
Vehicle security systems comprise at least one addressable transponder for communication with at least one base station. Each transponder and base station comprises a steerable directional antenna...
6819243 Method and apparatus for identifying bulk goods, preferably roll-like bulk goods  
In a method for identifying bulk goods from a radio frequency identification device on the bulk goods with a radio frequency reader antenna a radiation midpoint of the radio frequency reader...
6814287 Pallet apparatus equipped with a radio frequency recognition module  
A pallet apparatus equipped with a radio frequency recognition module includes a radio recognition device in a conventional pallet to equip container carriers such as pallets with information...
6801122 Identification transponder  
An identification transponder for transferring an identification code to a base station by varying an RF-signal transmitted by the base station in a rhythm which corresponds to the identification...
6778087 Dual axis magnetic field EAS device  
A device is disclosed for activating and deactivating magnetic electronic article surveillance (EAS) markers. In one embodiment, the device includes control circuitry comprising a coil, such as a...
6777829 Rectifier utilizing a grounded antenna  
A rectifier generates a rectified output and a dc power output. The rectifier has an antenna element, a tuning capacitor, a coupling capacitor, first and second rectifying diodes, and a storage...
6762683 Tag device  
A tag device is described for receiving, processing and/or transmitting data signals using an integrated electronic data-processing circuit formed in an essentially plane substrate body and at...
6756880 Reader and response control system for discrimination between multiple surface acoustic wave identification tags and method of operation thereof  
A system for discriminating between coded responses from multiple SAW identification tags and a method of operating such system. In one embodiment the system provides for a SAW tag reader subsystem...
6753821 Method and arrangement of antenna system of EAS  
An antenna system for an electronic article surveillance system, comprising: a first antenna and a second antenna, the first antenna and the second antenna mounted for use in a substantially...
6750771 Antenna system and method for reading low frequency tags  
A reader reads identifiers from tags on pallets conveyed past the reader. The reader includes two interleaved linear arrays of antennas with circularly polarized fields. Each antenna is composed of...
6747548 Non-contact IC card system and non-contact IC card  
A non-contact IC card system capable of improving the data transmission rate and communication range without considerably enlarging the frequency band of a signal to be put to use. An AM-modulated...
6744367 Identification tag  
An identification tag is provided comprising a multilayer assembly incorporating, in sequence, a metal backing layer, a bulk structural layer, a piezo-electric layer and an electrode layer. The...
6732923 Radio frequency identification system and method  
A radio frequency (RF) identification system and method which rely on the presence or absence of unique frequency signals. The system includes an RF interrogator which transmits signals at a...
6724307 Flexible merchandise security element  
Security elements that are flexible, that can be used for merchandise and preferably can remain on the merchandise, that are difficult to locate, that can be incorporated into the merchandise...
6724308 RFID tracking method and system  
A method for using multi-functional RFID tag assemblies, passive repeater systems and modular antenna systems. One embodiment comprises a method for communicating with an RFID tag by providing a...
6720930 Omnidirectional RFID antenna  
An omni-directional RFID antenna is provided for use with a remote interrogator/reader system used for identifying tagged animals. A pair of antenna coils are arranged in a crossing pattern that...
6714120 Inductor-capacitor resonant circuits and improved methods of using same  
A tag which uses radio frequency waves transmitted from a scanning device in order to identify an item to which the tag is attached or with which the tag is associated. The tag includes a first...
6700491 Radio frequency identification tag with thin-film battery for antenna  
An active RFID label is provided in which the antenna also forms the battery for the RFID chip that is part of the label. The antenna can be made of one or both of the electrodes forming a...
6696952 Structures and assembly methods for radio-frequency-identification modules  
Radio-frequency identification (RFID) devices are used in a variety of applications to facilitate the identification and tracking of people, objects, and animals. One problem with RFID devices or...
6696947 Metal detector  
An improved metal detector characterized by enclosing the detector's circuitry in a foldable enclosure whereby the improved detector may be transported easily and quickly and securely erected for use.
6696954 Antenna array for smart RFID tags  
An antenna array comprises a plurality of antenna loops disposed to define a portal or passageway or other detection region in which the plural antenna loops transmit and/or receive electromagnetic...
6693541 RFID tag with bridge circuit assembly and methods of use  
Radio frequency identification tag devices with bridge circuit assemblies and methods for high-volume, low-cost production are disclosed. The bridge circuit assemblies and methods of the present...
6690264 Selective cloaking circuit for use in a radiofrequency identification and method of cloaking RFID tags  
The output to the antenna of an RFID tag or label is disconnected from the balance of the RFID chip by means of a series switch activated in response to a logic command, CLOAK, generated by the...
6667725 Radio frequency telemetry system for sensors and actuators  
The present invention discloses and teaches apparatus for combining Radio Frequency (RF) technology with novel micro-inductor antennas and signal processing circuits for RF telemetry of real time,...
6657543 Tracking method and system, as for an exhibition  
A system and method are useful for conducting an exhibition at which visitors visit a plurality of booths or stations. A smart tag issued each visitor includes at least an electronic memory from...
6650226 Detection, by an electromagnetic transponder reader, of the distance separating it from a transponder  
A terminal for generating an electromagnetic field adapted to cooperate with at least one transponder when the transponder enters the electromagnetic field, the terminal including circuitry for...
6646552 Glove with a contactless data carrier  
A data carrier for contactless control of persons upon utilization of a service in skiing areas, which has a chip ( 4 ) with an antenna ( 5 ), is disposed in a glove ( 1 ).
6628237 Remote communication using slot antenna  
A wireless communication device and method for identifying a container or communication information about a container using a slot in the container as an antenna. The device includes a wireless...
6621467 Energy transfer in an electronic identification system  
A radio frequency transponder assembly comprises a passive transponder and an antenna with a matching circuit comprising an inductor and a capacitor which are formed integrally with the antenna...
6621410 System for item and orientation identification  
A system includes an identification circuit, a grid antenna, a receiver, and a processor. The identification circuit includes resonant circuits formed on a substrate within a perimeter....
Matches 451 - 500 out of 739 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >