Matches 1 - 29 out of 29


Match Document Document Title
US20070146142 SECURITY TAG FOR CIGARETTE PACK  
A cigarette pack having at least one security tag formed from the metal layer of the cigarette pack liner. One version of the security tag utilizes a preformed coil that is electrically coupled to...
US20080084311 Inductance enhancement by magnetic material introduction  
In a described implementation of inductance enhancement by magnetic material introduction, a substrate that supports an inductive element has magnetic material introduced thereto.
US20090273474 RADIO IC TAG  
[PROBLEM(S)] To provide a wireless IC tag which is readable even in a plurality of countries (destination countries) using different radio frequency bands for reading. [MEANS FOR SOLVING THE...
US20090027208 RFID Tag Containing Two Tuned Circuits  
An RFID tag is disclosed adapted to be read by an interrogator including a reader antenna having a carrier frequency. The tag includes a first circuit including a first inductor and a first...
US20090058757 WASH DESTRUCTIBLE RESONANT TAG  
A resonant tag for use with a radio-wave detection system for the prevention of shoplifting or the like, which has a coil and capacitor circuit formed on opposite sides of an extremely thin...
US20110215808 PASSIVE UNDERGROUND ELECTRONIC MARKER FOR USE IN ANY ORIENTATION  
A passive electronic marker comprising a single tuned LC circuit, having an inductance and one capacitance element, that respond substantially uniformly to a marker locating instrument...
US20090128337 RFID BASED KEYBOARD  
An RFID keyboard comprising a base with a first antenna and; keys with secondary antennas wherein a key is normally in a first position such that the resonant frequency is away from an...
US20070296548 Resonant circuit tuning system using magnetic field coupled reactive elements  
A resonant circuit tuning system and a method for tuning are provided. The resonant circuit tuning system may include an LCR circuit and a reactive element magnetically coupled to the LCR circuit.
US20100019907 Self Tuning RFID  
The antenna of an RFID tag is automatically tuned by controlling both the real and imaginary components impedance “seen” by the antenna. The real component (resistive) is controlled by controlling...
US20060132288 Method of reading information from RF tag and method of writing information therein  
A method of reading information from and writing information onto an RF tag that resonates by electromagnetic inductance, the RF tag including at least two sets of electromagnetic resonance...
US20080055091 Oscillator tuning system and oscillator tuning method  
An oscillator tuning system and an oscillator tuning method are provided. The system includes a determination unit which determines whether a power which is used in an RFID tag having an RFID...
US20060125637 Radio frequency tag  
The present invention provides an RF tag which does not have an integrated circuit such as a silicon chip, can retain a plurality of information, can rewrite or add the information, and is...
US20080012712 CONTACTLESS COMMUNICATION CIRCUIT AND PORTABLE TERMINAL  
The present invention provides a contactless communication circuit having both a contactless communication card function and a contactless communication reader/writer function, which includes a...
US20080143533 Magnetoacoustic markers based on magnetic microwire, and method of obtaining the same  
It concerns an activatable/deactivatable magnetomechanical marker, based on magnetic microwires, in which participates a non-bistable, magnetoelastic, soft magnetic microwire (1) with induced...
US20080238885 System and method for multiple object detection on a digitizer system  
A digitizer system comprises at least one object incorporating an electronic tag configured for radiating at least one modulated signal and at least one second signal; a digitizer sensor...
US20090002175 Power Transfer for Transponder Devices  
A reader for reading a memory tag comprises a resonant circuit part, a frequency source, a tuning detector and a tuning controller. The resonant circuit part has a resonant frequency. The...
US20070058290 Magnetic tape cartridge  
A magnetic tape cartridge is provided including a case which is formed by an upper half and a lower half which are combined together, a reel to which a magnetic tape is wound, being rotatably...
US20070139165 Acoustic wave device used as RFID and as sensor  
An acoustic wave device and related systems and methods, with some embodiments comprising a device with both an acoustic wave sensor and a SAW RFID. In some embodiments, the device is powered by...
US20070229273 Detection signal generator circuit for an RFID reader  
An RFID transponder detector is provided having a coupled oscillator system. Coupled first and second LC pairs of the system produce a detection signal each time a combination of pulses is applied...
US20080079543 Apparatus for identifying and counting articles in bulk  
The invention provides apparatus for detecting articles (1) by implementing radiofrequency type means, the apparatus comprises a transmitter member (4) for transmitting a signal at given frequency...
US20090251320 Resonance Tag  
A resonance tag includes a dielectric layer, a first circuit layer, a second circuit layer and a hard pad. The first circuit layer is formed on one surface of the dielectric layer, and the first...
US20080218352 Radio Frequency Identification  
A Radio Frequency Identification (RFID) tag comprises an array of antennas resonant at discrete frequencies. Each antenna can be modified by application of a high power RF signal so as to reduce...
US20100039267 CIRCUIT AND METHOD FOR POWER-UP OPTIMIZATION OF RFID TRANSPONDER  
The present invention relates to a radio-frequency identification tag (10) and a related method of operation, whereby the tag comprises an antenna (12) being adapted to draw a voltage from an...
US20080079587 Method And System For Utilizing Magnetic On-Chip Coil For Ultra High Frequency (UHF)  
Aspects of a method and system for utilizing an on-chip coil for ultra high frequency (UHF) reception are presented. Aspects of the system may include a single chip radio frequency identification...
US20060092026 Method of creating an RFID tag with substantially protected rigid electronic component  
An electronic assembly and method for making the same includes a flexible substrate and a protective layer arranged adjacent to one side of the substrate. The protective layer has a first...
US20050231372 Device for remote identification of parts  
A method and apparatus for encoding a part in a semiconductor tool with a unique radio frequency response to an external radio frequency excitation. The method and apparatus remotely read the...
US20070188327 Radio frequency device  
A tunable radio frequency identification device and a method for customizing a radio frequency identification device are disclosed. The method for customizing the radio frequency identification...
US20090102663 APPARATUS AND METHOD FOR TUNING A RADIO FREQUENCY ANTENNA  
The present invention provides a radio frequency identification tag reader system, that comprises a radio frequency identification tag reader that outputs a drive signal at a predetermined...
US20160275767 INTELLIGENT BEACON AND SYSTEM INCLUDING SAME  
A security tag to be attached to an article, each security tag including a housing with at least one releasable attachment mechanism to attach to the article; at least one resonator; at least one...

Matches 1 - 29 out of 29