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7626502 Anti-theft security marker with soft magnetic bias component  
An acoustic-magneto (AM) anti-theft marker is formed with the bias piece made from a soft magnetic material, instead of a “semi-hard” magnetic material that has been used in conventional...
7623039 Magnetomechanical tag used in electronic article surveillance and method of manufacturing a magnetomechanical tag  
A magnetomechanical tag for use in an electronic article surveillance (EAS) system and a method of manufacturing the magnetomechanical tag may be provided. The EAS may include at least one...
7609165 Method and apparatus for magnetically activated radio or infrared identification system  
A disarming system for an RFID tag or an IRID tag having a magnetically operated sensor or switch includes a permanent magnet, wherein the permanent magnet is configured to activate the...
7561051 Magnet locating apparatus and method of locating a magnet using such apparatus  
An apparatus for locating a magnet and/or determining the orientation of the apparatus relative to the magnet. In one embodiment, the apparatus includes a multi-axis magnetic field sensor movable...
7561043 Marker for mechanically resonant article surveillance system  
A magnetomechanical resonance element or marker strip with facilitated performance based on an amorphous magnetostrictive alloy ribbon is utilized in an electronic article surveillance marker. A...
7532123 Magnetic tagging  
Articles are magnetically tagged by a spatial distribution of passive magnetic elements. Each such magnetic element comprises a layer of soft magnetic material characterised by high permeability,...
7522054 Contactless identification tag  
A contactless identification tag includes a capacitor and an electrostatic capacity variable device that varies an electrostatic capacity of the capacitor according to an externally applied...
7515049 Extended read range RFID system  
The present invention generally comprises an apparatus that allows an RFID antenna to obtain information from an RFID tag mounted on a container. The apparatus reproduces the RF field generated by...
7503491 RFID chip and antenna with improved range  
A “coil-on-a-chip” RFID tag having an rfid integrated circuit and an antenna contemporaneously formed on a substrate. The antenna is a helical multiple layer, multi-turn coil having an axis of...
7498941 IC tag communication system  
An IC tag communication system according to an aspect of the present invention includes: a plurality of reader antennas which receive radio waves emitted from an IC tag attached to an article, the...
7495572 Smart sensor systems—swimmer detection  
Swimmers are detected in a given body of water by dispersing sensors throughout the water column. The sensors adhere to the swimmer and reflect acoustic energy. Acoustic energy is broadcast in the...
7495565 Methods and apparatus for arbitrary antenna phasing in an electronic article surveillance system  
A method for controlling electronic article surveillance (EAS) transmissions is described. The method includes calculating system parameters associated with one or more of a desired frequency, a...
7454978 Versatile strain sensor employing magnetostrictive electrical conductors  
A strain sensor includes a load carrying body configured to strain in response to a load applied along a load path. The sensor further includes a magnetostrictive electrical conductor affixed to...
7439862 Antenna array for an RFID reader compatible with transponders operating at different carrier frequencies  
An antenna array is provided for an RFID reader, which includes a first reader antenna tuned to operate at a first frequency and a second reader antenna tuned to operate at a second frequency...
7436302 Low cost RFID labeling device  
A system for dispensing, reading and verifying RFID tags. The system includes a label dispenser that dispenses labels that contain RFID tags from a bulk label storage device, an RFID Reader/Writer...
7432815 Marker for a magnetic theft protection system and method for its production  
Disclosed are a marker for a magnetic theft protection system, comprising: (a) at least one oblong alarm strip comprising an amorphous ferromagnetic alloy; and (b) at least one oblong activation...
7411893 Secure optical information disc  
A secure optical data disc comprising an electronic article surveillance tag embedded within a layered disc structure comprising first and second substrates is disclosed. The tag is placed within a...
7382254 Storage medium having RFID tag and methods for using same  
A digital storage medium (e.g., a CDROM, a DVD, a tape, etc.) has an integrated RFID tag to store information for use in controlling access to the data stored on the digital storage medium.
7348890 Pest control techniques  
A pest control system ( 20 ) includes pest control devices ( 110 ) installed about an area or building ( 22 ). These devices ( 110 ) each include a bait member and a communication circuit. The...
7307535 Air coil RF transponder and method of making same  
An RF air coil transponder includes a rotatable carrier, such as a rigid reel. A coil is wound about the reel and at least one field influencing body for influencing the electric and/or the...
7304574 Alarm investigation using RFID  
A method according to one embodiment may include detecting an activated electronic article surveillance (EAS) tag in an interrogation zone, and reading at least one radio frequency identification...
7292148 Method of variable position strap mounting for RFID transponder  
A method of coupling an RFID chip to an antenna includes the steps of, iteratively until a test criterion is met, positioning an RFID chip relative to an antenna and testing the RFID chip and...
7276128 Amorphous alloys for magneto-acoustic markers in electronic article surveillance having reduced, low or zero co-content and method of annealing the same  
A ferromagnetic resonator for use in a marker in a magnetomechanical electronic article surveillance system is manufactured at reduced cost by being continuously annealed with a tensile stress...
7239240 Method and apparatus for implementing security protection over RFID  
Disclosed is one method and one apparatus which teach improved techniques in equipping an RFID with security measure. Conventionally an RFID is employed basically to replace the usage of an...
7233249 Multi-bit encoded glass-coated microwire and articles composed thereof  
A glass-coated amorphous metallic microwire is encoded with multi-bit digital information. Encoding is achieved magnetically, optically or through a combination of magnetic and optical encoding...
7212124 Portable information device  
Provided is a portable information device having an RFID, the device being a device in which no effect is produced on original communication of the portable information device for which an EMC...
7205899 Flexible transponder label which is readable on conductive surfaces  
A transponder label includes an antenna coil, a semiconductor chip, and a single layer film, which acts both as a carrier film and as a shield against the induction of counter magnetic fields in...
7187645 Secure optical information disc having a minimized metal layer  
A secure optical data disc comprising an electronic article surveillance tag embedded within a layered disc structure comprising first and second substrates is disclosed. The tag is placed within a...
RE39490 Security device having multiple security features and method of making same  
A security device having multiple security features is used with an item, such as a secure document, ticket, label or tag, to authenticate the item and/or encode data pertaining to the item. One...
7142113 Method and apparatus to detect an external source  
A method and apparatus to detect an external source are described.
7132932 Method and apparatus for locating a fire hose  
One or more RFID tags ( 104 ) are integrated into a fire hose ( 102 ) to facilitate an individual's exit from a structure. A portable interrogator ( 106 ) worn by the individual interrogates the...
7119693 Integrated circuit with enhanced coupling  
A system for conveying a radio frequency (RF) signal from a base station to a detached integrated circuit (IC) has an intermediate resonant circuit and an IC. The intermediate resonant circuit is...
7109867 RFID tags with EAS deactivation ability  
A radio-frequency identification (RFID) and an electronic article surveillance (EAS) tag includes an RFID device and an EAS device. The RFID device may operate in a plurality of states including an...
7102522 Tamper-indicating radio frequency identification antenna and sticker, a radio frequency identification antenna, and methods of using the same  
A tamper-indicating radio frequency identification device made of densified metal powder and to a sticker including the same device. The present invention also relates to radio frequency...
7088247 Amorphous alloys for magneto-acoustic markers having reduced, low or zero cobalt content, and associated article surveillance system  
A ferromagnetic resonator for use in a marker in a magnetomechanical electronic article surveillance system is manufactured at reduced cost by being continuously annealed with a tensile stress...
7084770 Combination radio frequency identification transponder (RFID tag) and magnetic electronic article surveillance (EAS) tag  
A combination of a radio frequency identification transponder (RFID Tag) and to a magnetic electronic article surveillance (EAS) device is disclosed. The present invention relates generally to...
7075439 Marker for remote detection of articles  
A marker for remote detection of articles has an elongated sensor element with magnetic and electric properties. The elongated sensor element provides an electromagnetic reply signal when receiving...
7075440 Miniature magnetomechanical marker for electronic article surveillance system  
A miniature magnetic article surveillance system marker is adapted, when armed, to resonate at a frequency provided by an incident magnetic field applied within an interrogation zone. The marker...
7026938 Ferromagnetic element for use in a marker in a magnetomechanical electronic article surveillance system  
A ferromagnetic element for use in a marker in a magnetomechanical electronic article surveillance system has improved magnetoresonant properties and/or reduced eddy current losses by virtue of...
7023345 Enhancing magneto-impedance modulation using magnetomechanical resonance  
A method and apparatus to enhance magnetoimpedance effect using magnetomechanical resonance are described.
7019647 Telesurveillance installation and operating process thereof  
An installation includes at least one magnetic field source, measuring equipment fixed onto a freely movable object whose motion is to be detected, and control equipment. The measuring equipment...
7012530 Electronic label  
One characteristic of electronic labels is that they can be read and written on without electrical contact through the communication coil ( 1 ). The reading heading is then positioned at some...
6864793 Magnetic marker and manufacturing method therefor  
A magnetic marker comprises a magnetically switchable wire and a magnetic casing that covers the magnetically switchable wire. The magnetically switchable wire is formed of a magnetic material that...
6774793 Deactivating element for magnetic marker and method of making same  
A deactivating element for a magnetic surveillance marker has the form of a wire with substantially-circular cross-section in which alternating body segments are of a magnetizable material having a...
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...
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...
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...
6720877 Manufacturing methods for magnetomechanical electronic article surveillance markers  
A method of making a magnetomechanical electronic article surveillance marker is provided that, in one embodiment, includes deposition or placing of at least one elongated bias magnet onto a...
6707295 Method for distinguishing between semi-soft and soft magnetic material  
A method for distinguishing between a semi-soft magnetic material, having a magnetic saturation field H sub s ranging from 100A/m to 3000 A/m, and a soft magnetic material, having a magnetic...
6693540 Wireless monitoring and identification using spatially inhomogeneous structures  
Tags encode information by means of spatial inhomogeneities that may be detected in the time domain; in effect, characteristics in space are transformed into time for sensing purposes. Such tags...
Matches 1 - 50 out of 211 1 2 3 4 5 >