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7629886 |
Method and system for networking radio tags in a radio frequency identification system
A radio frequency tag for a radio frequency identification system is provided that includes an antenna and a receiver coupled to the antenna. The receiver receives and demodulates a message...
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7624918 |
Wireless identification based display
Systems and methods for providing discreet messaging are provided. Based on an identification of a customer and/or a product to be purchased, a message is selectively produced and provided in a...
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7573369 |
System and method for interrogating and locating a transponder relative to a zone-of-interest
A directional warning system and a method of warning of friendly forces. In one embodiment, the system includes: (1) a conductive shield having an opening at an end thereof and a radio frequency...
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7511601 |
Radio frequency identification in document management
Various systems and methods of handling items such as files are disclosed, including systems and methods for polling RFID-tagged items while they are stored in storage areas.
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7461788 |
Information reading apparatus and information reading system
A card system of a magnetic card which reduces investment costs for switching over a card infrastructure and transmits/receives a data of a contactless smart card and information representing the...
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7450952 |
System and method for implementing a radio frequency identifier (RFID) topology
Deployment of an RFID system in a business entails a thorough analysis of the 3-dimensional topography in which it is deployed. A deployment field may have multiple floors, multiple entries,...
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7425888 |
Methods for optimizing communications between an RFID reader and a tag population using non-sequential masking
System and methods for optimizing communications between an RFID reader and a population of tags are described. To minimize the amount of data exchanges, the reader and tags use non-sequential bit...
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7423527 |
Radio frequency identification (RFID) network system and method
A bidirectional radio frequency identification (RFID) network system and method are presented. The system allows users to configure, monitor, and manage different sensor devices by using a...
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7414517 |
Radio frequency identification transponder
A radio frequency identification transponder includes a power supply and a dynamic memory array that stores data. When power from the power supply ceases, the data in the dynamic memory array is...
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7336179 |
Information processing system using IC tags
There is disclosed an information processing system having plural IC tags (e.g. RFID tags), each of which transmits back a signal in response to an interrogatory signal sent from a cell phone...
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7336155 |
Remote control device for a motor vehicle
A remote control for a garage door opener includes a transmitter for transmitting electromagnetic signals and at least one manual actuator. The transmitter can be arranged in flexible mounting...
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7319879 |
Method and apparatus for providing dispatch-type services in a cellular communication system
An interconnect communication system is provided that provides for dispatch-type services including Instant Access call set up, talkgroup creation and management, and in-band floor arbitration and...
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7298243 |
Radio frequency identification system with privacy policy implementation based on device classification
Methods and apparatus are disclosed for use in an RFID system comprising a plurality of RFID devices and at least one reader which communicates with one or more of the devices. In accordance with...
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7289015 |
Method for efficiently querying and identifying multiple items on a communication channel
A method for identifying objects using an interrogation device on a communication channel is disclosed. Each object has an identification number in the form of a plurality of digits and has the...
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7262686 |
Methods and apparatuses to identify devices
A reader identifies tags without requiring or determining whether a response to an interrogation was a single response from a single tag or multiple responses from multiple tags. A method is...
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7231028 |
Method and system for the management of subscriber functions
The present invention relates to a method and system for the management of subscriber functions in a digital telephone exchange. According to the invention, the functions for default subscribers...
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7170422 |
Personal programmable universal remote control
The present invention is a personal programmable universal remote control apparatus comprising an input module receptive of command sets operable to control devices. The apparatus further comprises...
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7106174 |
Anti-collision tag apparatus and system
This invention relates to radio frequency identification (RFID) apparatus comprising a reader/writer and transponders (tags) such that 2 or more transponders are capable of operating simultaneously...
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7079008 |
Proximity transaction control method
Embodiments enable controlling a proximity transaction between first and second communications devices, each of which is provided with a short-range transceiver. In an exemplary embodiment, the...
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7075436 |
Method, system, and apparatus for binary traversal of a tag population
A method, system, and apparatus for interrogating a radio frequency identification (RFID) tag population are described. Tags are interrogated by a reader. The reader and tags engage in...
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7049936 |
Validation of the presence of an electromagnetic transponder in the field of a reader
A method for controlling an electromagnetic field generation terminal using a signal for exciting an oscillating circuit, provided with circuitry for regulating the signal phase in the oscillating...
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7009495 |
System and method to identify multiple RFID tags
An RFID system comprises an RFID reader configured to issue an RF command requesting that RF tags identify themselves, and to issue timing information defining a plurality of timeslots; and a...
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7009496 |
Method and system for optimizing an interrogation of a tag population
A method and system for optimizing an interrogation of a tag population that includes a plurality of tags, wherein each of the plurality of tags is assigned a tag address includes determining a tag...
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6995664 |
Remote supervision system and method
A new and improved method for supervising and monitoring people from a remote location comprising the use of a communication system that builds upon telecommunications connections, computer...
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6987454 |
Power management
Power management using radio frequency identification (RFID) tags is disclosed. A device is equipped or connected with a low power detector that can detect the proximity of an RFID tag worn by a...
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6975206 |
Method for communication between central terminal and multiple transponders
A method of communicating information from first and second transponders (or multiple transponders) to a central monitoring device, and a communications apparatus, are disclosed. The method...
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6944137 |
Method and apparatus for a talkgroup call in a wireless communication system
In a wireless code-division multiple access (CDMA) system ( 100 ), a talkgroup ( 101 ) of subscriber units is provided. A sub-talkgroup ( 102 ) of subscriber units, forming a part of the talkgroup...
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6919793 |
Radio frequency identification system write broadcast capability
A Write Broadcast system and method uses a base station to write sent data to all or some selected number (sub group) of tags in a base station field simultaneously. By unselecting the tags that...
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6879246 |
Evaluation of the number of electromagnetic transponders in the field of a reader
A terminal for generating a high-frequency electromagnetic field by an oscillating circuit, adapted to cooperating with at least one transponder when the transponder enters this field, and a method...
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6876294 |
Transponder identification system
A transponder identification system comprising a plurality of transponders and an interrogation device arranged to identify each of the transponders by transmitting successive interrogation signals...
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6859801 |
Efficient memoryless protocol for tag identification
The invention features a method and system for identifying a plurality of tags using an efficient memoryless protocol. The system includes a reader and a plurality of tags. The reader is adapted to...
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6842433 |
System and method for communicating information from a computerized distributor to portable computing devices
A method of transmitting information to a portable computing device comprises, using a first communication protocol, transmitting a client to the portable computing device. The client configures...
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6819223 |
Transponder system with acknowledgements associated with respective transponders
During a communication operation in a transponder system, consisting of a write/read station ( 1 ) and at least one transponder ( 2 ), a selection data block (SDB) is transmitted from the station (...
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6784786 |
Method and apparatus for delivering a subscriber-customized group message in a selective call messaging system
A selective call messaging system delivers ( 602, 604, 606 ) a master message ( 324 ) addressed to a first group of subscriber units ( 102 ) and a corresponding records message ( 326 ) addressed to...
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6784787 |
Identification system
A method and system for identifying a plurality of transponders in an interrogation involves transmitting an interrogation signal to the transponders and receiving, at a reader, response signals...
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6756913 |
System for automatically dispatching taxis to client locations
A system and method for dispatcher free vehicle allocation. A client requesting taxi service calls a taxi dispatch center using a cellular phone equipped with a location identification device. The...
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6725014 |
Method and system for contention resolution in radio frequency identification systems
A method and system for resolving contentions among passive identification tags. A reader may divide a possible range of tag values into a number of smaller ranges. For each smaller range, the...
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6690263 |
Method of managing collisions in a non-contact data interchange system
A method manages collisions in a system for interchanging data between portable objects and at least one terminal suitable for co-operating with a plurality of the portable objects simultaneously....
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6650230 |
Modulated backscatter wireless communication system having an extended range
A modulated backscatter communication system (e.g., an Electronic Shelf Label (ESL) system) includes a central node (e.g., a ceiling node) and one or more remote nodes (e.g., ESL tags). The central...
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6646543 |
Method for managing collisions in a contactless data exchanging system
A method handles collisions in a data interchange between portable objects and at least one data transceiver. The method includes the steps of the transceiver transmitting to said plurality of...
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6538563 |
RF transponder identification system and protocol
An RF transponder identification system with an interrogator operable to transmit a plurality of marker signals and a plurality of transponder. Each transponder has a random number associated...
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6515594 |
Remote controlled measurement arrangement and process for remote controlled operation of several measuring points
Two different types of data transfer are provided. The first type of data transfer takes place between a data transfer device and each individual measuring point. This first type of data transfer...
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6486769 |
Method and system for automatic adjustment and diagnosis of radio frequency identification systems using programmable checktags
A method and system is provided for automatically adjusting a radio frequency communication system to define the spatial dimensions of a read zone and no-read zone using programmable checktags. The...
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6483426 |
Method of identifying a plurality of transponders, analysis apparatus and a transponder for implementing such a method
A method identifying a set of transponders situated in the interrogation field of analysis apparatus, with each transponder storing a different identity code. The analysis apparatus first transmits...
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6469618 |
Method for the identification of electronic cards presented in an investigation zone
A method for the identification of electronic cards within an investigation zone includes encoding an identification number on M bits distributed into P blocks of Q bits assigned to each electronic...
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6448903 |
Device for detecting internal pressure of air-filled gunwale protector
The present invention relates to an internal-pressure detection apparatus for a pneumatic fender that can reduce the labor of maintenance. The internal-pressure detection apparatus is configured of...
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6433689 |
System for supervision and control of objects or persons
A system for supervision and control of objects or persons within a limited area, such as a building, comprising a plurality of electronic identification chips for placing on respective...
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6404339 |
Radio frequency identification tag arranged with a printable display
A radio frequency identification tag system ( 10 ) utilizes a radio frequency identification tag ( 16 ) that includes a display ( 40 ). The display has an electrooptic display ( 458 ) sandwiched...
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6392544 |
Method and apparatus for selectively activating radio frequency identification tags that are in close proximity
A radio frequency identification exciter ( 200 ) includes a plurality of antenna elements ( 122 a-i ) that are spaced to define active areas ( 130 a-e ). A matrix switch ( 202 ) flexibly connects...
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6388562 |
Contactless IC card communication system and related method
A reader/writer (RW) requires identification of anti-collision techniques used by IC cards (A, B, C, and D). The IC cards implement answers to the anti-collision technique identification...
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