Abstract:
A radio frequency identification system (20) comprising a radio reader circuit (30) operable to emit a radio frequency carrier signal (60) modulated with a subcarrier, which has a subcarrier modulation rate. The radio frequency identification tag circuit (70) is operable to extract the subcarrier from the emitted radio frequency carrier signal (60) and the extracted subcarrier then functions as a clock, which operates to assist in the transfer of a modulated backscattered signal (66) to the radio frequency identification reader circuit (70). The radio frequency identification reader circuit (70) decodes the modulated backscattered signal (66) and the data encoded in the radio frequency identification tag circuit (70) is obtained.
Abstract:
An apparatus includes a top plate [245] of a first transparent conductive material, a middle plate [225] of a second transparent conductive material, and a bottom plate [205] of conductive material. At least one upper dielectric layer [240] is disposed between the top plate [245] and the middle plate [225], and at least one lower dielectric layer [215] disposed between the bottom plate [205] and the middle plate [225]. A first electroluminescent layer [235] is disposed between the top plate [245] and the middle plate [225]. The first electroluminescent layer [235] has a first predetermined pattern. A second electroluminescent layer [215] is disposed between the middle plate [225] and the bottom plate [205]. The second electroluminescent layer [215] has a second predetermined pattern. The first electroluminescent layer [235] and the second electroluminescent layer [215] are powered by at least one alternating current power source to selectively display a simulated motion.
Abstract:
A tray (201) comprises electrically conductive material and has at least one hand-graspable fixture (203). This hand-graspable fixture comprises an electrical conductor (301) disposed in a location that is likely to be operably interacted with by a human who grasps the hand-graspable fixture. A capacitively-coupled RFID tag is then disposed on the hand-graspable fixture with a first antenna plate (303) being electrically coupled to the tray and a second antenna plate (304) that electrically couples to the electrical conductor. A corresponding tray receiving compartment (400) has a front lip (401) over which the tray must pass and upon which the tray will rest when properly disposed within the tray receiving compartment. One or more capacitively-coupled RFID tag reader antennas (402) are disposed proximal to the front lip. These antennas may be positioned to facilitate reading the capacitively-coupled RFID tag when the tray is properly disposed within the tray receiving compartment.
Abstract:
Apparatus and methods for manufacturing and reading the apparatus is disclosed. The apparatus includes: a storage medium (610) comprising a first material; and a printed electronic circuit (104) coupled to the storage medium, the printed electronic circuit comprising a first portion (206) that includes a plurality of printed electronic circuit elements that generate a secret code, wherein the secret code is based on an electronic characteristic of each circuit element as randomly set by a parameter of at least one semiconductor ink used to generate the printed electronic circuit.
Abstract:
Merchandising and marketing data collection systems (100, 400, 500, 700, 1200, 1300, 1400, 1500) collect data on shopper's (816) interaction with merchandise samples (106, 414, 1212, 1400, 1502), page store personnel, output promotional vouchers and use the merchandise samples to access information about the capabilities of the merchandise being sold.
Abstract:
A tray (201) comprises electrically conductive material and has at least one hand-graspable fixture (203). This hand-graspable fixture comprises an electrical conductor (301) disposed in a location that is likely to be operably interacted with by a human who grasps the hand-graspable fixture. A capacitively-coupled RFID tag is then disposed on the hand-graspable fixture with a first antenna plate (303) being electrically coupled to the tray and a second antenna plate (304) that electrically couples to the electrical conductor. A corresponding tray receiving compartment (400) has a front lip (401) over which the tray must pass and upon which the tray will rest when properly disposed within the tray receiving compartment. One or more capacitively-coupled RFID tag reader antennas (402) are disposed proximal to the front lip. These antennas may be positioned to facilitate reading the capacitively-coupled RFID tag when the tray is properly disposed within the tray receiving compartment.
Abstract:
In order to address the need for detection of fraudulent items, a method, apparatus, and system for detection of fraudulent items is provided herein. Special anti-forgery Radio-Frequency identification (RFID) tags are utilized with additional measures to thwart would-be forgers. Each anti-forgery RFID tag comprises a unique, or semi-unique number that, along with a private key possessed by only the legitimate product manufacturer, determines a signature that is preferably printed on the product packaging. Utilizing the unique number on the anti-forgery RFID and a public key corresponding to the private key, the signature is verified by standard public-key cryptographic methods. The validation of the signature identifies the product's authenticity.
Abstract:
A radio frequency identification system (20) comprising a radio reader circuit (30) operable to emit a radio frequency carrier signal (60) modulated with a subcarrier, which has a subcarrier modulation rate. The radio frequency identification tag circuit (70) is operable to extract the subcarrier from the emitted radio frequency carrier signal (60) and the extracted subcarrier then functions as a clock, which operates to assist in the transfer of a modulated backscattered signal (66) to the radio frequency identification reader circuit (70). The radio frequency identification reader circuit (70) decodes the modulated backscattered signal (66) and the data encoded in the radio frequency identification tag circuit (70) is obtained.