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| Number | Title | Issue Date |
| 8130081 | Data management for intermittently connected sensors A computer implemented method, apparatus, and computer usable program code for managing data on an intermittently connected sensor. A data management system manages the data on radio frequency identification tags. The data management system comprises a radio frequen... | 03/06/2012 |
| 8077014 | Method, apparatus, and system for radio frequency identification (RFID) tag association and relative positioning Obscured radio frequency identification (RFID) tags are indirectly read by an RFID reader. Other tags operate to relay the information associated with the obscured tags from one tag to another, until the associated information is ultimately received by the RFID read... | 12/13/2011 |
| 8044774 | RFID tag chips and tags able to be partially killed and methods RFID tag circuits, tags, and methods are provided for receiving a partial-kill command. In response to receiving such a command, the tag circuit or tag becomes partially killed. This means that one or more but not all of its memory functions become disabled. ... | 10/25/2011 |
| 8013716 | Method for wireless data transmission A method and apparatus for wireless data transmission is provided between a base station and a backscatter-based transponder, in which the transponder generates a presence signal after initialization or at predetermined time intervals, independent of data transmitte... | 09/06/2011 |
| 8013717 | Near-field communication device with environmental sensor A wireless communication device includes a near-field activated circuit that transmits an output signal upon exposure to an energizing electromagnetic field, and a sensor having an output coupled to the near-field activated circuit, wherein the sensor produces an ou... | 09/06/2011 |
| 7986218 | Sensor devices for structural health monitoring Described herein are wireless interrogation systems and methods that rely on a complementary sensing device and interrogator. The sensing device is disposed to measure a parameter indicative of the health of a structure. A sensor reading from the sensor indicates th... | 07/26/2011 |
| 7969285 | Management of badge access to different zones A method executed in a badge, a badge reader, and a server for controlling access to different zones. The badge obtains from the badge reader an invitation to request access to a zone Zout. The badge ascertains that the badge is authorized to access the zone Zout. T... | 06/28/2011 |
| 7920051 | Information providing system and image forming apparatus The present invention provides information providing system including: a wireless sheet attached to an article; and an information notifying apparatus which notifies information on the article in response to a radio signal sent from the wireless sheet, wherein, the ... | 04/05/2011 |
| 7889059 | Radio frequency-controlled telecommunication device Provided are telecommunications devices and systems which incorporate and use radio frequency (RF) tag technology. Telecommunications devices in accordance with one embodiment of the present invention incorporate RF transceivers (readers) which are configured to rea... | 02/15/2011 |
| 7741956 | Dual mode transmitter-receiver and decoder for RF transponder tags An enhanced backscatter RF-ID tag reader system and multiprotocol RF tag reader system is provided. In a multiprotocol mode, the system emits a non-stationary interrogation signal, and decodes a phase modulated backscatter signal by detecting a stronger phase compon... | 06/22/2010 |
| 7719406 | Device for transmitting signals via induction between a transponder circuit and an interrogation circuit An inductive signal transmission device including a transponder circuit (1) having at least one first coil, and an interrogation circuit (3) having at least one second coil (4). The transponder circuit is placed on an object (5) capable o... | 05/18/2010 |
| 7688182 | RFID system and RFID chip equipped with sensor function An integrated circuit chip includes a rectifier circuit configured to convert an alternating voltage supplied from an antenna into a direct-current voltage, a nonvolatile memory coupled to the rectifier circuit to operate by use of the direct-current voltage, a sens... | 03/30/2010 |
| 7642898 | Orthogonal frequency coding for surface acoustic wave communication, tag and sensor application A secure apparatus, system, device and method for coding surface acoustic wave identification tags and sensors to enable unique sensor operation and identification for a multi-sensor environment. In an embodiment, a pseudo noise sequence is applied to the orthogonal... | 01/05/2010 |
| 7573370 | Method and device for storing and distributing information in an RFID tag An RFID tag has a memory, an RF transceiver that supports long range RF communications with a long range reader, and an interface that supports short range communications with a short range reader over a secure link. The RF transceiver can be used to transmit an ID ... | 08/11/2009 |
| 7551058 | Sensor for monitoring environmental parameters in concrete The invention provides a sensor for monitoring an environmental parameter in concrete comprising an enclosure for embedding in concrete; a detecting means connected to the enclosure for detecting at least one environmental parameter in concrete, the detecting means ... | 06/23/2009 |
| 7432825 | Interrogation device and method for scanning A radio frequency identification system includes an interrogator for generating and transmitting an interrogation signal to a transponder. One or more transponders of the system receive the interrogation signal and return a data signal which includes identification ... | 10/07/2008 |
| 7420466 | Rich object model for diverse Auto-ID tags A system and method allowing one application to implement diverse AutoID tags interchangeably, by unifying all AutoID technologies into a single object model. The single object model interacts with all AutoID technologies, with only a lowest level device tailored to... | 09/02/2008 |
| 7405663 | System for detecting radio-frequency identification tags Techniques for detecting radio-frequency identification (RFID) tags are disclosed. For example, an exit control system is described that detects unauthorized removal of articles from a protected facility. A series of antennas are setup to produce interrogation corri... | 07/29/2008 |
| 7394361 | Keyhole communication device for tracking and monitoring shipping container and contents thereof A shipping container that facilitates communications between wireless communication devices within the shipping container and an external network container includes a keyhole communication device that is adapted for wireless communications with the external network ... | 07/01/2008 |
| 7375616 | Electronic near field communication enabled multifunctional device and method of its operation A computer program stored in a memory unit of an electronic near field communication module for near field communication devices in environments with different data formats according to different protocols is able to carry out a first initiation operation using a fi... | 05/20/2008 |
| 7372360 | Item information system and method An item price notification system automatically interrogates product labels to determine product, pricing, and other unique data. The system uses a radio frequency (RF) radio frequency transceiver to generate an RF field to communicate with radio frequency identific... | 05/13/2008 |
| 7369029 | Wireless communication fuse state indicator system and method An electrical fuse and method therefor includes a protective body, terminal elements extending from said protective body, and a primary fuse element extending within said protective body and electrically connected between the terminal elements, and an identification... | 05/06/2008 |
| 7360699 | Geographic area multiple service card system The invention provides consumers with the services of multiple cards or accounts while allowing consumers to carry a single card, transponder, code and/or other access device. Because the card may access combined services such as financial transaction services and t... | 04/22/2008 |
| 7363196 | Guard tour system The guard tour system of the present invention is comprised of a central computer which runs a computer program that enables a variety of electronic hardware components to function as the guard tour system. As a guard progresses through a guard tour, he or she uses ... | 04/22/2008 |
| 7363642 | Optical disc and remote control device The objective of the present invention is to provide an optical disc which solves the problem that search for data recorded on an exchange-type medium such as an optical disc and the like and which allows search for data recorded in an optical disc to be performed w... | 04/22/2008 |
| 7362212 | Communication methods, systems, apparatus, and devices involving RF tag registration One technique of the present invention includes a number of Radio Frequency (RF) tags that each have a different identifier. Information is broadcast to the tags from an RF tag interrogator. This information corresponds to a maximum quantity of tag response time slo... | 04/22/2008 |
| 7358856 | Two-phase commit synchronizing seal state A conveyance tracking system provides two-phase transaction commit processing for synchronizing seal state information between a seal device attached to a conveyance and a host for tracking conveyances. The system uses a reader device for synchronization and communi... | 04/15/2008 |
| 7357320 | Information carrier reader/writer, method and apparatus for supporting the same In a reader/writer, a storage unit is configured to store a plurality of parameter files each including a plurality of control parameters required to communications. The parameter files meet the communication characteristics. An identifying unit is configured to try... | 04/15/2008 |
| 7358857 | Global positioning systems applications A global positioning system includes a fixed base unit of known position and at least one mobile unit, the base unit and the mobile unit each including a GPS receiver. This system further includes means for comparing the simultaneous GPS identified positions of the ... | 04/15/2008 |
| 7356485 | Service providing system A system for providing a service through a non-contact communication unit such as a wireless communication unit is disclosed. Specifically, an electronic ticket is communicated between a so-called mobile terminal and the non-contact communication unit equipped in a ... | 04/08/2008 |
| 7350481 | Method and system for monitoring physiological conditions of, and/or suitability of animal feed for ruminant animals A method and system for monitoring the physiological condition, and/or suitability of animal feed, of ruminant animals, by: sensing actions of the animal indicating a ruminating activity; and accumulating the time of the ruminating activities over a predetermined ti... | 04/01/2008 |
| 7350706 | Contact-type data communication apparatus, transmission and reception apparatus, and transmission and reception method A contact-type data communication apparatus, transmission and reception apparatus, and transmission and reception method. The transmission and reception apparatus for transmitting and receiving a command to and from a non-contact-type data communication apparatus an... | 04/01/2008 |
| 7347101 | Measuring strain in a structure using a sensor having an electromagnetic resonator The system (10) comprises a sensor (18) 90×90×90×30 mm as an electromagnetic microwave cavity (20) with a coupler (22) with a wire (40) and an antenna (42). Cavity (20) produces a response signal (26) in res... | 03/25/2008 |
| 7348875 | Semi-passive radio frequency identification (RFID) tag with active beacon A radio frequency beacon device for use with a backscatter interrogator includes a processor; a receiver coupled to the processor; a backscatter modulator coupled to the processor; and an active transmitter coupled to the processor, the active transmitter being conf... | 03/25/2008 |
| 7342482 | Communication controller for an active transponder A method for processing of encoded information by a battery-powered active transponder is disclosed for the application within a transponder system for the wireless payment of road toll having the steps of receiving modulated microwave radiation of preset frequency ... | 03/11/2008 |
| 7339836 | Data collector A data collector to be installed in an electrical storage device has a data reader and a base. The data reader is to be connected to the electrical storage device to store status data detected by the electrical storage device. The stored data has a specific format. ... | 03/04/2008 |
| 7336182 | Wireless tracking system and method with optical tag removal detection A wireless tracking system and method with a tag removal detection feature is disclosed herein. The system and method utilize a tag attached to an asset which includes a processor, a motion sensor (such as an accelerometer), a transceiver, a tag removal sensor and a... | 02/26/2008 |
| 7333583 | Information processing apparatus and data communication method An information apparatus switches a display at a predetermined area which includes at least a part of a portion where an electromagnetic-wave emitting unit used for data communications with a data storage device is disposed, according to data communication processin... | 02/19/2008 |
| 7333898 | Passive structural assessment and monitoring system and associated method A system and method for assessing and monitoring a structure are provided. The system includes at least one non-destructive inspection sensor carried by the structure and configured for acquiring data in response to ambient events associated with the structure. The ... | 02/19/2008 |
| 7333479 | RFID system with packetized data storage in a mobile environment: methods, systems and program products An RFID system includes transponders transmitting or receiving packetized data in standard form in lieu of custom format for applications executable in a mobile device or network. Tag data may be packetized in any of several standard formats. Each format includes a ... | 02/19/2008 |
