Matches 151 - 200 out of 250 < 1 2 3 4 5 >
Match Document Document Title
6317030 Method of and system for conducting a hunting tournament or contest utilizing passive transponder identification  
A method of and system for conducting a hunting tournament or contest. Passive transponders are inserted subcutaneously into the game to be harvested. Tagged animals are released back into their...
6225906 Patient monitoring and alarm system  
A system for monitoring tagged objects within a predefined area provides a user-friendly interactive interface for monitoring tagged objects in a predetermined area. The method of providing the...
6211799 Method and apparatus for transbody transmission of power and information  
Capacitive coupling is used to transmit data and power through a user's body. In one implementation, a transmitter carried by the user transmits power and data to a receiver, which is also carried...
6177860 Method and economical direct connected apparatus for deploying and tracking computers  
A method of asset control and workstation computer deployment that utilizes a dual port electronic memory identification RFID tag to hold serial number and hardware and software configuration...
6177858 Method for remotely interrogating tags, and station and tag implementing said method  
A method is provided for remotely identifying electronic or radio frequency tags, typically those used to mark articles, from a station, each of the tags having its own code constituted by digits,...
6147591 Process for transmitting data between a read/write device and a transponder  
The invention is a process to transmit data between a read/write device and a transponder. The data is transmitted by a change in field strength of an electromagnetic or magnetic field, and the...
6108751 Single wire data communication method  
A system architecture which provides efficient data communication, over a one-wire bus, with a portable data module which does not necessarily include any accurate time base whatsoever. The time...
6104290 Contactless identification and communication system and method of operating the same  
A contactless identification and communication system and method of operating a contactless identification communication system comprising a reader and one or more transponders, wherein the or each...
6104311 Information storage and identification tag  
An improved information storage and identification tag includes a substrate, an input mechanism disposed on the substrate and configured to receive a query signal, an output mechanism disposed on...
6054935 System monitoring programmable implantable transponder  
A passive transponder includes a receive antenna for receiving an input signal. A frequency generator and modulator receives the input signal and outputs a data carrier signal having a frequency...
6046003 Method of determining the sequence of nucleic acids employing solid-phase particles carrying transponders  
A method is described for determining the sequence of nucleic acids. The method employs small solid phase particles having transponders, with a primary layer of an oligonucleotide of known sequence...
6043748 Satellite relay collar and programmable electronic boundary system for the containment of animals  
A programmable boundary pet containment system is provided for controlling the access of animals to areas outside of programmed boundaries. A programmable relay collar is provided on an animal to...
6025780 RFID tags which are virtually activated and/or deactivated and apparatus and methods of using same in an electronic security system  
An electronic security system uses a set of predefined RFID tags. Each tag is associated with, and attached to, an article or packaging for an article. Each tag includes unique tag information...
6014088 Method and system for contactless exchange of data between a read/write unit and one or more information carriers  
A method and system for contactless exchange of information between a read/write unit and at least one information carrier, using wireless radiofrequency signal transmission including an...
5966082 Method of flagging partial write in RF tags  
A method, system, and apparatus for sending data from a base station to an RF tag, whereby the RF tag comprises an "intention to write to memory" field, and the "intention to write to memory" field...
5960085 Security badge for automated access control and secure data gathering  
A system utilizing a personal identification badge to collect data and to provide access to a computer terminal. The personal identification badge includes circuitry and transceiver components for...
5936542 Convention ID badge system  
A convention ID badge system which provides a trade-show badging system for two-way data exchange. It uses a floppy disk as an ID badge and stores exhibitor's data on the ID badge. A user takes...
5933097 Method for adjusting a threshold value of a vehicle-mounted device employed in an automatic toll-collecting system  
A vehicle-mounted device that enables adjustment by wireless communication from an external portion, of a threshold value employed for detecting strength of a radio wave emitted from a roadside...
5929780 Method of monitoring and programming a plurality of transponders simultaneously, and apparatus for implementing the method  
A method and apparatus for simultaneously storing a set of read/write or respond-to-order transponders located in a container. The method transmits radiation to read/write trnsponders to energize...
5929778 Data carrier system  
A data carrier system allows data to be transmitted and received. The data is transmitted using weak radio waves of suitable frequencies, such as frequencies in a high frequency band (HF) or a very...
5926110 Programmable output devices for controlling signal levels in an RF/ID transponder  
A single integrated circuit for an RF/ID transponder includes a nonvolatile memory portion, which is ideally a ferroelectric memory, digital logic, digital interface circuitry, and differential...
5909183 Interactive appliance remote controller, system and method  
In a personal area network, a method for programming an appliance by a controller. The method includes steps of a) determining (358), by the controller (300), that the appliance (324) is included...
5864580 Miniature wireless modem  
A wireless modem employs a radio frequency (RF) transponder system components to remotely access the memory of an electrical or electro-mechanical device by providing an exciter/reader/writer (ERW)...
5847662 Radio card communication apparatus  
A read request signal containing a command, an address, etc. is subjected to two-phase modulation with the first carrier of a first frequency and the resultant signal is then transmitted to a radio...
5847373 Apparatus for transferring information between a portable object and a reader  
Apparatus for electronically transferring information between an electronic component and a reader. The electronic component is disposed on a substrate of a portable object, which substrate also...
5831547 Wireless card system  
A wireless card, in response to a synchronization signal received from a gate machine, transmits a user information to the gate machine. The gate machine examines whether the wireless card is...
5825298 Radio frequency transponder method for identifying geographical locations such as survey traverse points  
An identification system including a device for locating land and construction survey traverse control points, other survey sites or any location marking the position of a place or thing comprised...
5781106 Device and method for the telecontrol of an object  
A vehicle (V) is fitted with a primary receiver/emitter cell (1) containing a first code (C1) and a secondary receiver/emitter cell (2) containing a second code (C2) as well as a first...
5757281 Multiple acknowledge-back response data paging  
An improved acknowledge-back paging system which returns variable amounts of information requested to the individual or device requesting the information. The system uses a selective call receiver...
5724030 System monitoring reprogrammable implantable transponder  
A passive transponder including an antenna for receiving an input signal and transmitting an output and a memory for storing the data received by the transponder from an interrogator. The...
5712628 Digitally programmable radio modules for transponder systems  
A programmable digital radio is configured to perform transponder functions. A receiver in the programmable digital radio receives analog signals from an interrogator and digitizes the analog...
5712630 High power moving object identification system  
A moving object identification system with a novel coding scheme achieves 75% transmission efficiency. With this system, a transmittable range is expanded. Logical value assignment for residual...
5682142 Electronic control system/network  
A network system of programmable, identification, locating, monitoring and processing fixed position (FPN) and movable tag nodes, which provides direct inter-node communication capability without a...
5650778 Antenna for programming a transponder  
An antenna for programming a transponder in a partially shielded housing includes a non-metal spindle having a slot therein. The slot is adapted to receive the shielded housing containing the...
5642103 Transponder used in a remote identification system  
A transponder used in a remote identification system requiring an interrogator and a transponder. The transponder which is thin and compact includes a transmit/receive antenna which is thin for...
5629981 Information management and security system  
A closed loop, (networked) information management and security system which provides a secure, end-to-end fully automated solution for controlling access, transmission, manipulation, and...
5627524 Infrared locator system  
A locator system comprising a number of unique portable IR transmitter units, each having a unique identity address consisting of a 16 bit data stream with two start bits and a stop bit, a number...
5610596 System for monitoring an industrial installation  
A system for the surveillance or monitoring of an industrial installation (in particular a nuclear installation) making it possible for at least one operator to carry out rounds, the system having...
5583819 Apparatus and method of use of radiofrequency identification tags  
A method of programming or writing to an RFID tag with a transient pulse at both high and low frequencies, i.e. in the GHz and KHz ranges is described. Programming an RFID tag using transient...
5572195 Sensory and control system for local area networks  
An object location, control, and tracking system is implemented using an object identifier variable-based protocol such as SNMP. Infrared sensors, touch memory ports, passive infrared sensors, and...
5570086 Data carrier system  
A data carrier system which uses a power sourceless electromagnetically coupled data carrier, wherein two-way data communication is made possible between a fixed facility and a data carrier....
5550536 Circuit frequency following technique transponder resonant  
A transponder system (10) includes an interrogation unit (12) that transmits a first frequency F1 representing a binary zero, and a second frequency F2, representing a binary one. These signals are...
5548291 Read/write transponder arrangement and method of communication  
A transponder arrangement is described having an interrogator unit (10) which transmits at least one RF programming sequence and at least one RF interrogation pulse. The responder unit (12)...
5541583 Arrangement for interrogating portable data communication devices  
An updatable, interrogation system is provided for interrogating portable data cards. The interrogation system sequentially communicates with each portable data card as it comes within...
5532686 Programmable transponder  
A passive transponder has a power antenna which receives a power signal and a communication antennas which receives a communication signal. An information generating circuit creates a second...
5525991 Mobile object identification system  
The primary object of the invention is to realize a mobile object identification system of simple construction and low cost, in which the responding unit attached to a mobile object writes data...
5521590 Data carrier  
A data carrier with no battery for reading and writing data transmitted to and from fixed facilities separated from the data carrier by several centimeters, and for rewriting and reading data...
5506575 Key-lock system and method using interchange of system-originated codes  
An inter-active key-lock system uses an unlock sequence in which messages exchanged between the key and lock include class-codes and unique-codes as parts of such messages. Dynamic indicators or...
5491471 Access control system where the card controls the transmission format of the card reader  
An access control system for controlling access of individuals to an area having at least one programmed data carrier. Each programmed data carrier is assigned to an individual and has a programmed...
5481262 System monitoring programmable implanatable transponder  
A passive transponder includes a receive antenna for receiving an input signal. A frequency generator and modulator receives the input signal and outputs a data carrier signal having a frequency...
Matches 151 - 200 out of 250 < 1 2 3 4 5 >