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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8106778 | Tracking variable conditions using radio frequency identification A method and system for tracking variable conditions using radio frequency identification (RFID) are disclosed. In embodiments of the present invention, an RFID sensor tag is used to measure a condition. The condition can be any measurable condition such as location... | 01/31/2012 |
| 8102265 | Systems and methods for personal radio frequency identification tag creation and item inventorying A system for inventorying an item may comprise at least one subsystem that creates a mark on the item with a substance that comprises RFID tags, at least one subsystem that reads a plurality of the RFID tags on the mark, at least one subsystem that determines how ma... | 01/24/2012 |
| 8081079 | PLD package with coordinated RFID TAG A RFID tag programmed with a distinct binary code is embedded in an IC and is electrically integrated with the IC so as to establish a communication path between the RFID tag and the IC. An electronic ID for the IC is defined and coordinated to match with the binary... | 12/20/2011 |
| 8058997 | Wireless system, semiconductor device, and communication device A wireless system includes a semiconductor device including a plurality of functional circuits each having the same function, and a communication device. The semiconductor device modulates and transmits a processing result of each functional circuit using subcarrier... | 11/15/2011 |
| 8049624 | Wireless communication method To provide a wireless communication method in the case where communication of a wireless signal from a communication device to a semiconductor device can be ensured, communication of a wireless signal can be ensured without using a repeater even when communication o... | 11/01/2011 |
| 8044804 | Localizing a tag using variable signal range A method for localizing a tag includes activating an antenna to transmit an RF signal and monitoring for a responsive signal transmitted by the tag. The signal range of the RF signal transmitted by the antenna may be altered if a responsive signal from the tag is no... | 10/25/2011 |
| 8035521 | Radio frequency data reader An RFID or NFC reader is associated via a data link with a tag module such that when the reader transmits an interrogation signal the tag module responds with a random, or constrained random, information signal. The information signal masks a signal transmitted by a... | 10/11/2011 |
| 8026817 | RFID tag positional addressing The present invention is directed to a method and apparatus for radio frequency identification (RFID) tag positional addressing. A method in accordance with an embodiment of the present invention includes: activating a plurality of first RFID tags, wherein each firs... | 09/27/2011 |
| 8022826 | Methods and apparatus for switching a transponder to an active state, and asset management systems employing same A transponder that may be used as an RFID tag includes a passive circuit to eliminate the need for an “always on” active RF receiving element to anticipate a wake-up signal for the balance of the transponder electronics. This solution allows the entire active tr... | 09/20/2011 |
| 8009050 | Wireless system, semiconductor device, and communication device A highly reliable and inexpensive wireless system, which includes a communication device and a semiconductor device having a plurality of functional circuits with the same function, is provided. The semiconductor device transmits the processing results of the functi... | 08/30/2011 |
| 8004409 | Wireless personal information carrier having logic for connecting a battery only during data transfers An information carrier in a preferred embodiment is worn like a dog-tag and carries data such as medical information. The tag operates wirelessly, communicating with a nearby reader which interrogates the tag with a selected combination of RF signal frequencies. Ext... | 08/23/2011 |
| 8004410 | System and method for providing secure identification solutions The present invention provides a method and system for verifying and tracking identification information. In an embodiment of the invention, a system for delivering security solutions is provided that includes at least one of the following: a radio frequency (RF) id... | 08/23/2011 |
| 7994922 | Communications system and method with A/D converter A communications system includes a radio frequency identification device including an integrated circuit having a single die including a microprocessor, a receiver coupled to the microprocessor, and a backscatter transmitter coupled to the microprocessor, the integr... | 08/09/2011 |
| 7994921 | Method for wireless data transmission and a transponder A method for wireless data transmission, for example for RFID systems, between a base station and a transponder is provided. For wireless data transmission between a base station and a transponder, data are wirelessly and bidirectionally transmitted between the base... | 08/09/2011 |
| 7982615 | Systems and methods for providing viewer-related information on a display based upon wireless identification of a particular viewer Systems and methods are described for presenting viewer-related programming to a particular viewer. In at least one embodiment, a wireless reader is configured to receive at least one identifier when the particular viewer is in proximity to the reader. A controller ... | 07/19/2011 |
| 7982614 | Method and apparatus for wireless asset tracking using asset tags with motion sensors A system includes an asset tag associated with an asset, the asset tag having a motion sensor to detect a movement of the asset. The system also includes a plurality of readers, each reader receiving one or more signals from the asset tag and measuring a distance be... | 07/19/2011 |
| 7978077 | RFID reader and RFID tag using UHF band and action methods thereof A radio frequency identification reader and a radio frequency identification tag that use an ultrahigh frequency band, and action methods of the radio frequency identification reader and the radio frequency identification tag. The radio frequency identification read... | 07/12/2011 |
| 7965189 | Radio frequency identification architecture A radio frequency identification (RFID) architecture is described. RFID tags are interrogated by a reader, which may be located in a network of readers. The reader transmits symbols to the tags. Tags respond to the interrogations with symbols that each represent one... | 06/21/2011 |
| 7965190 | Object tracking system with automated system control and user identification An enhanced object tracking system for tracking and controlling access to a plurality of objects such as keys is disclosed. The object tracking system implements many improvements including automated user identification using biometric data extracted from the user w... | 06/21/2011 |
| 7965191 | RFID integrated circuit with integrated antenna structure An integrated circuit for use in an RFID tag includes an integrated circuit die having a circuit, a radio frequency identification (RFID) interface for providing communication between the circuit and a remote RFID reader via RF signaling between the RFID interface a... | 06/21/2011 |
| 7936271 | Anti-tamper cargo container locator system The present disclosure relates to location and communication systems that can be utilized for locating cargo containers using tags with a radio communication subsystem in the form of a transponder or micro-transponder. Each cargo container tag (CCT) is capable of co... | 05/03/2011 |
| 7924161 | Methods and systems for identifying objects as sets and locating and tracking identified sets One embodiment of the present invention is a method for determining when a set of RFID tags on a set of objects belongs to a same defined subset of objects (“set identification”). This method includes the steps of: (1) detecting the set of RFID tags on the set o... | 04/12/2011 |
| 7924160 | Real-time ranging and angle measurements using radar and surface acoustic wave transponders A system for tracking the position of multiple objects in three dimensional space by transmitting radar interrogation signals having predetermined wave shapes to surface acoustic wave transducers attached to each object. Each transducer includes a unique electricall... | 04/12/2011 |
| 7911346 | Inventory control using anonymous transaction tokens A method, article of manufacture, and apparatus for inventory control of items in a location. In an embodiment, this comprises an identification tag associated with a transaction authorizing some items to be removed from the location, such as a purchase, an identifi... | 03/22/2011 |
| 7902985 | Gateway radio frequency identification tag system The specification describes a new architecture for RFID systems that is adapted to process large numbers of RFID tags and provide information about a large number of items. The system provides for multiple tag readers. The tag readers are active and have both transm... | 03/08/2011 |
| 7893840 | Interrogator and interrogation system employing the same An interrogator, methods of discerning the presence of an object, and interrogation systems employing the same. In one embodiment, the interrogation systems include multiple interrogators that communicate with a base command unit to track a location of an object. In... | 02/22/2011 |
| 7889083 | RFID device time synchronization from a public source A radio frequency identification (RFID) device includes an antenna linked to a receiving circuit, the antenna tuned to receive a radio frequency (RF) time-code signal from a public source, a controller circuit and an internal clock linked to the receiving circuit, a... | 02/15/2011 |
| 7884723 | Lower power battery-assisted RFID tag having improved recognition distance, and wake-up method thereof Provided are a radio frequency identification (RFID) tag and a wake-up method thereof. The RFID tag includes: a power source that supplies a driving voltage; a continuous wave detector that receives the driving voltage from the power supply so as to detect a continu... | 02/08/2011 |
| 7876226 | Method of preventing failure of reading wireless tags, and wireless tag data management system A method includes a step of dividing tag IDs of plural wireless tags into groups; a step of sequentially storing tag data items in storage areas provided for the wireless tags, each tag data item including a tag ID and related-tag data constituted by the tag IDs of ... | 01/25/2011 |
| 7876225 | Methods and apparatus for switching a transponder to an active state, and asset management systems employing same A transponder that may be used as an RFID tag includes a passive circuit to eliminate the need for an “always on” active RF receiving element to anticipate a wake-up signal for the balance of the transponder electronics. This solution allows the entire active tr... | 01/25/2011 |
| 7852222 | Method and system of asset identification and tracking for enterprise asset management A system and method for managing enterprise assets located at geographically distributed sites utilizing wireless tag technologies. The method includes storing in a database information relating to each asset, wherein the stored information includes cost of each ass... | 12/14/2010 |
| 7847696 | Detecting a blocker RFID tag For detecting a blocker RFID tag, the following steps are conducted. First, a random identifier of a given bit length is created. Alternatively, an identifier is selected out of a probing set, which is stored on a data storage device. The probing set comprises of id... | 12/07/2010 |
| 7834766 | Method and apparatus for tracking objects and people An object locating, identifying, tracking, and surveillance system, denoted the Assets Locating, Tracking, and Surveillance System (ALTSS), is provided for managing physical objects and evidence in environments such as police departments, law offices, and the Courts... | 11/16/2010 |
| 7834765 | Method and apparatus for tracking objects and people An object locating, identifying, tracking, and surveillance system, denoted the Assets Locating, Tracking, and Surveillance System (ALTSS), is provided for managing physical objects and evidence in environments such as police departments, law offices, and the Courts... | 11/16/2010 |
| 7830262 | Adjusting communication parameters while inventorying RFID tags RFID reader systems, readers, components, software and methods are provided for inventorying RFID tags. In some embodiments, a population of RFID tags begins being inventoried using a first set of communication parameters, and then continues using a second set of co... | 11/09/2010 |
| 7825808 | Tablet packaging controlling apparatus of automatic tablet packaging machine Disclosed is a tablet packaging controller of an automatic tablet packaging machine for recognizing information of tablets accommodated in tablet cassettes and tracking positions of the tablet cassettes. The controller includes RF tags recording tablet information, ... | 11/02/2010 |
| 7821400 | System and method for verifying number of wireless tagged items in a transaction A system and method for reading multiple items bearing electronic tags, such as radio frequency identification (RFID) tags, disposed in a read zone wherein a correlation scheme/system, separate (e.g. non-RF) from the electronic reader, is provided for verifying that... | 10/26/2010 |
| 7817042 | RFID tag management and operation In an example embodiment, an apparatus such as an RFID tag, is configured to operate in a first mode that allows the tag to associate with the network and receive configuration data and to operate in a second mode wherein the apparatus is not associated with the net... | 10/19/2010 |
| 7808389 | Data transmission method and a RFID reader provided with a coil and a control circuit for field quenching outside of a communication area The present invention relates to a method, a reading device and a system for transmitting data and/or energy between a reading device and a transponder unit. Via a first antenna coil of the reading device generating a first magnetic field data and/or energy are tran... | 10/05/2010 |
| 7791487 | Locating radio frequency identification tags in time and space Estimating a location of a RFID tag in time and space using incomplete data. A signal is received from an RFID tag at a plurality of receivers over a time range. At any particular time within the time range the signal is received at less than three receivers. The si... | 09/07/2010 |
