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5682 results about "Transponder" patented technology
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In telecommunication, a transponder is a device that, upon receiving a signal, emits a different signal in response. The term is a portmanteau of transmitter and responder. It is variously abbreviated as XPDR, XPNDR, TPDR or TP.
Digital wireless position sensor
ActiveUS7397364B2Fast chargingImprove signal-to-noise ratioElectric signal transmission systemsMagnetic measurementsVoltage dropEngineering
A method is provided for tracking an object, including positioning a radio frequency (RF) driver to radiate an RF driving field toward the object, and fixing to the object a wireless transponder that includes a power coil and at least one sensor coil. The method also includes receiving the RF driving field using the power coil and storing electrical energy derived therefrom. A plurality of field generators are driven to generate electromagnetic fields at respective frequencies in a vicinity of the object that induce a voltage drop across the at least one sensor coil. A digital output signal is generated at the wireless transponder indicative of the voltage drop across the sensor coil, and the generation of the digital output signal is powered using the stored electrical energy. The digital output signal is transmitted from the wireless transponder using the power coil, and the transmission of the digital output signal is powered using the stored electrical energy. The digital output signal is received and processed to determine coordinates of the object.
Owner:BIOSENSE WEBSTER INC
Remotely powered and remotely interrogated wireless digital sensor telemetry system
ActiveUS7256695B2More powerElectric signal transmission systemsElectrotherapyElectronic systemsPower flow
An electronic system includes a reader and a remotely powered and remotely interrogated sensor transponder. The sensor transponder includes a coil or an antenna, a switched reactance circuit, a processor, and a sensor. The sensor transponder receives power radiated from the reader to the coil or antenna. The sensor uses the power for sensing. The sensor transponder is capable of processing sensor data in the processor and transmitting the sensor data to the reader using the switched reactance circuit. In one embodiment, the receiver coil or antenna is part of a resonant tank circuit which includes an impedance matching circuit. The impedance matching circuit is connected to the receiver coil or antenna to provide greater current to the sensor or other power-using device than would be available to the sensor or other power-using device if the sensor or other power-using device were connected between the first and second end. The impedance matching circuit can be two or more taps to the coil or antenna.
Owner:LORD CORP
Medical device
A medical device includes a medical instrument with a transponder detachably fixed to the medical device. The transponder serves as a data medium about specific information of the medical instrument. The medical device further includes a data exchange mechanism for exchanging data with the transponder. When a medical treatment is to be performed, the medical instrument is placed to a receiving mechanism for receiving the medical instrument separated from the transponder, while the transponder is placed to the data exchange mechanism which is placed locally apart or locally placed different from the receiving mechanism so that disadvantageous influences of the medical treatment do not affect the transponder.
Owner:SCHMID +2
Wireless position sensor
Apparatus for tracking an object includes a plurality of field generators, which generate electromagnetic fields at different, respective frequencies in a vicinity of the object, and a radio frequency (RF) driver, which radiates a RF driving field toward the object. A wireless transponder is fixed to the object. The transponder includes at least one sensor coil, in which a signal current flows responsive to the electromagnetic fields, and a power coil, which receives the RF driving field and conveys electrical energy from the driving field to power the transponder. The power coil also transmits an output signal responsive to the signal current to a signal receiver, which processes the signal to determine coordinates of the object.
Owner:BIOSENSE
Method and apparatus for wireless powering and recharging
InactiveUS6127799ABatteries circuit arrangementsSecondary cells charging/dischargingRf fieldMicrowave
An arrangement is provided for charging a charge storage device by placing the charge storage device in an RF or microwave radiation field. One or more antennas which receive the radiated RF electromagnetic field are placed on the charge storage device. Rectifiers connected to the antennas rectify the received RF electromagnetic field an produce a DC output current which is used to charge the charge storage device. The charge storage device may be a battery or a capacitor and may form an integral part of an electronic device. The same RF field that charges the charge storage device can also be employed to communicate data to transponders which may be associated with computing devices.
Owner:RAYTHEON BBN TECH CORP
Wireless smart card and integrated personal area network, near field communication and contactless payment system
A wireless smart card having a personal area network transceiver, such as a Bluetooth transceiver, to couple the wireless smart card with a mobile communication device, and a near field communication (NFC) and radio-frequency identification (RFID) transceiver to couple the wireless smart card to a wireless transaction device, and a transponder with a secure element to allow secure communications between the mobile communication device with the wireless smart card and the wireless smart card and the wireless transaction device is described. The wireless smart card allows, for example, contactless payment through a Bluetooth-enabled mobile communication device without modification to the mobile communication device.
Owner:WIRELESS DYNAMICS
Apparatus for energizing a remote station and related method
InactiveUS6615074B2Eliminate needEasy to useElectrotherapyTelemetry/telecontrol selection arrangementsStored energyMiniaturization
Owner:PITTSBURGH UNIV OF
Camera-based tracking and position determination for sporting events
ActiveUS20100026809A1Good playerGood ball position trackingTelevision system detailsCharacter and pattern recognitionDigital signal processingAccelerometer
Position information of equipment at an event, such as a ball, one or more players, or other items in a game or sporting event, is used in selecting camera, camera shot type, camera angle, audio signals, and / or other output data for providing a multimedia presentation of the event to a viewer. The position information is used to determine the desired viewer perspective. A network of feedback robotically controlled Pan-Tilt-Zoom (PTZ), manually controlled cameras and stationary cameras work together with interpolation techniques to create a 2D video signal. The position information may also be used to access gaming rules and assist officiating of the event. The position information may be obtained through a transceiver(s), accelerometer(s), transponder(s), and / or RADAR detectable element(s) fitted into the ball, apparel or equipment of players, the players themselves, or other playing equipment associated with the game or sporting event. Other positioning methods that can be used include infrared video-based tracking systems, SONAR positioning system(s), LIDAR positioning systems, and digital signal processing (DSP) image processing techniques such as triangulation.
Owner:CURRY GERALD
Real time monitoring of cable patch panel
InactiveUS6784802B1Electrically conductive connectionsElectric connection testingPatch panelMonitoring system
A system and method for monitoring connectivity in a cable system includes radio frequency identification (RFID) transponders on cable ends and RFID sensors at connection points. The RFID sensors are connected to a central monitoring system. Presence of a particular cable end at a particular connection point is detected and recorded by the central monitoring system.
Owner:NORDXCDT
Mobile data device and method of locating mobile data device
InactiveUS6868074B1Rapid diagnosisEmergency connection handlingPosition fixationGps receiverMobile device
A method including providing a PDA having a processor, a memory coupled to the processor, a GPS receiver coupled to the processor and a RF transponder capable of communicating using Internet Protocol; storing user identification information in the memory; storing medical history information in the memory; determining location using the GPS receiver; transmitting the determined location to a service using the RF transponder; and in response to a request of emergency service by a user of the PDA, contacting the service and transmitting an emergency request to the service using the RF transponder. A PDA comprising a processor; a memory coupled to the processor; a GPS receiver coupled to the processor; and a wireless transponder capable of communicating using Internet Protocol, the PDA being configured to store user identification information in the memory, store medical history information in the memory, determine location using the GPS receiver, transmit the determined location to a service using the wireless transponder, and, in response to a request of emergency service by a user of the PDA, contact the service and transmit an emergency request to the service using the wireless transponder.
Owner:VERIZON PATENT & LICENSING INC
Onetime passwords for smart chip cards
ActiveUS8095113B2Unauthorised/fraudulent call preventionEavesdropping prevention circuitsDisplay deviceFinancial transaction
A financial transaction card is provided according to various embodiments described herein. The financial transaction card includes a card body with at least a front surface and a back surface. The financial transaction card may also include a near field communications transponder and / or a magnetic stripe, as well as a digital display configured to display alphanumeric characters on the front surface of the card body. The financial transaction card may also include a processor that is communicatively coupled with the near field communications transponder or magnetic stripe and the digital display. The processor may be configured to calculate one-time passwords and communicate the one-time passwords to both the near filed communications transponder or magnetic stripe and the digital display.
Owner:FIRST DATA
Systems and methods for non-traditional payment
The present invention includes systems and methods for facilitating transactions using non-traditional devices. A method of the present invention includes the steps of forming a transaction request at a non-traditional device, and communicating the transaction request to a reader. In one embodiment, the non-traditional device may be configured with a transponder or other RF operable device. In another embodiment, the non-traditional device may be configured with an RFID protocol, such as a protocol in ISO 8583 format. In yet another embodiment, the non-traditional device may be configured to facilitate transactions using a random number, an authentication tag, a counter, or an encrypted payload.
Owner:CHARTOLEAUX +1
Geometrical properties measuring device for a medical treatment device including an RFID transponder
ActiveUS8207863B2Improve reliabilityProvide goodDiagnosticsSurgical navigation systemsGeometric propertyMedical device
Owner:BRAINLAB
Apparatus for energizing a remote station and related method
InactiveUS6289237B1Eliminate needTelemetry/telecontrol selection arrangementsElectromagnetic wave systemStored energyMicroprocessor controller
Apparatus for remote interaction with an object of interest includes a remote station for obtaining information from the object of interest, a base station for transmitting energy in space to and communicating with the remote station and the remote station having a conversion device for energizing the remote station responsive to receipt of the transmitted energy. The energy may be of any suitable type including RF power, light, acoustic, magnetic energy or other form of space transmitted or "radiant" energy. The remote station does not have to contain a source of stored energy or a wired connection to a source of energy. The remote station receives the energy transmission and data transmission from the base station and transmits data to the base station. Microprocessor controllers may be provided for the base station and the remote station. The remote station may receive information from sensors and through one or more transponders sequentially communicate information to the base station. An associated method is provided.
Owner:UNIVERSITY OF PITTSBURGH +1
Embedded bio-sensor system
InactiveUS7125382B2Improve accuracyAccurate measurementTelemedicineEndoradiosondesGlucose sensorsConcentrations glucose
Provided is a bio-sensor system which utilizes radio frequency identification technology and which includes a remote transponder in wireless communication with an implantable passively-powered on-chip transponder. The bio-sensor system is specifically adapted to provide a substantially stable and precise sensor reference voltage to a sensor assembly that is included with the on-chip transponder. The remote transponder is also configured to remotely receive data representative of a physiological parameter of the patient as well as identification data and may enable readout of one or more of the physiological parameters that are measured, processed and transmitted by the on-chip transponder upon request by the remote transponder. The precision and stability of the sensor reference voltage is enhanced by the specific circuit architecture of the glucose sensor to allow for relatively accurate measurement of the physiological parameter such as measurement of glucose concentration by a glucose sensor without the use of a microprocessor.
Owner:JAMM TECH INC
System and method for locating a target using RFID
ActiveUS7787886B2Simplified triangulationUser-device interaction is minimized—eliminatingPosition fixationSubstation equipmentTransceiverTriangulation
A wireless system and method for determining the location of a fixed or mobile target configured to have a transponder on the target, a transceiver monitoring the target location, communicating between the transponder and transceiver, and a processor for finding the target by virtual triangulation based on values of received position information. The processor is determines virtual triangulation based on successive values of the position information using at least three points P1, P2 and P3 of the transponder respective of the transceiver. The present invention discloses methods for finding with virtual triangulation by: (1) finding with virtual triangulation by generating position information in real-time, in the case of (i) stationary and moving target, and or (ii) in the case of the presence of obstacles; (2) finding with virtual triangulation relating to the average speed of the motion of operator; and or (3) finding with simplified virtual triangulation.
Owner:QUALCOMM TECHNOLOGIES INC
Event-based vehicle image capture
InactiveUS20030080878A1Quick analysisSimple processDisc-shaped record carriersRegistering/indicating working of vehiclesHard disc driveTraffic signal
Provided is a system for identifying vehicles of traffic violators, the system having elements that include: a video camera for providing, in real-time, a video signal that represents plural sequential video image frames (either perceptually continuous video, such as 30 frames per second, or non-perceptually continuous video, such as 1-2 fps); a traffic violation detector (e.g., a radar gun, an in-ground loop, a pair of self-powered wireless transponders or transmitters, a camera-based speed detection system, or any other speed sensor) that provides a trigger signal (e.g., based on vehicle speed and detection of the state of a traffic signal); a video recorder that receives the video signal provided by the camera and records the video signal in a buffer until receipt of a trigger signal, at which point at least a portion of the video signal stored in the buffer is preserved for recording and direct real-time storage of the video signal to a hard drive, or other high-capacity storage medium, commences. As a result, the video signal is preserved during a pre-programmable sliding (or rolling) time interval prior to provision of the trigger signal.
Owner:HUBB SYST
Transducer for embedded bio-sensor using body energy as a power source
InactiveUS20050261563A1Improve accuracyAccurate measurementTelemedicineEndoradiosondesMuscle tissueVoltage pulse
Provided is a bio-sensor system which utilizes radio frequency identification technology and which includes a remote transponder in wireless communication with an implantable on-chip transponder. A power supply collects alternating current voltage pulses from an electro-active polymer generator embedded in muscle tissue for generating power for the on-chip transponder. The power supply is specifically adapted to provide a stable and precise sensor reference voltage to a sensor assembly to enhance the accuracy of measurements of a physiological parameter of a patient. The remote transponder receives data representative of the physiological parameter such as glucose concentration levels. The data is processed and transmitted to the remote transponder by the on-chip transponder. The precision and stability of the sensor reference voltage is enhanced by the specific circuit architecture of a glucose sensor to allow for relatively accurate measurement of glucose concentration levels without the use of a microprocessor.
Owner:JAMM TECH INC
Onetime passwords for smart chip cards
ActiveUS20090200371A1Unauthorised/fraudulent call preventionEavesdropping prevention circuitsDisplay deviceFinancial transaction
A financial transaction card is provided according to various embodiments described herein. The financial transaction card includes a card body with at least a front surface and a back surface. The financial transaction card may also include a near field communications transponder and / or a magnetic stripe, as well as a digital display configured to display alphanumeric characters on the front surface of the card body. The financial transaction card may also include a processor that is communicatively coupled with the near field communications transponder or magnetic stripe and the digital display. The processor may be configured to calculate one-time passwords and communicate the one-time passwords to both the near filed communications transponder or magnetic stripe and the digital display.
Owner:FIRST DATA
Passive dynamic antenna tuning circuit for a radio frequency identification reader
InactiveUS20070013483A1Efficient and economical and reliableMemory record carrier reading problemsSubscribers indirect connectionEngineeringBiological activation
A resonant antenna circuit for a radio frequency identification (RFID) reader generates an electrical signal for activating a passive identification tag. The identification tag in turn generates a coded electrical signal that is detected by the reader. The electrical characteristics of the resonant circuit are dynamically altered so that the antenna performs more optimally as a transmitter and receiver for different types of transponders. The resonant circuit uses only passive components and the instantaneous resonant frequency tuning point is determined by the state of the activation signal transmitter.
Owner:ALLFLEX USA
Electric, telephone or network access control system and method
InactiveUS7167078B2EasilyEasy to installElectric signal transmission systemsMultiple keys/algorithms usageElectricityControl system
An apparatus and method for controlling user access to electrical receptacles and telephone and network communications receptacles. The device features a short range radio receiver and one or a plurality of RF energized radio identification tags with transmittable identification transponder codes. The receptacle contains circuitry that detects the immediate presence of energized transponders with proper identification codes and only enables the electric, telephone or network access from the receptacle to become active if the correct matching transponder identification code is present. The tag is a small flexible device having one side that may be attached to the plug or the receptacle or interfaced therebetween. Access to the power or network is allowed for a defined duration of time or only so long as the transponder remains energized and transmits the identification code.
Owner:POURCHOT SHAWN C
Proximity measuring apparatus
InactiveUS6614387B1Reduced risk of collisionAnti-collision systemsCode division multiplexMeasurement deviceSignature Code
A proximity measuring apparatus (70) comprises an interrogator (80) for generating an interrogation signal encoded with a reference signature code comprising concatenated codes and emitting it as interrogating radiation. It also incorporates a transponder (90) for receiving the interrogating radiation, demodulating it to extract its signature code and then remodulating it after a delay period to provide a signal for reemission as return radiation therefrom. The interrogator (80) receives return radiation at its antenna (260) and demodulates it to extract its signature code and then correlates the code with the reference code to determine mutual correlation thereof. The interrogator (80) incorporates a computer (290) for controlling a scan direction of the antenna (260) and for measuring time delay between emission of the interrogating radiation therefrom and receipt of corresponding return radiation. The computer (290) computes distance and relative bearing of a transponder (90) providing the return radiation from the scan direction and the time delay. The apparatus (70) may be used for improving road vehicle safety.
Owner:QINETIQ LTD
Human movement measurement system
ActiveUS7292151B2Measurement contributionGymnastic exercisingInertial sensorsHuman bodySensory Feedbacks
Owner:MOTIVA PATENTS LLC
System and method of making payments using an electronic device cover with embedded transponder
InactiveUS20050017068A1Improve standardsDevices with card reading facilityCash registersTransceiverElectronic identification
A changeable cover for an electronic device and method of using same in a payment system is provided. The cover has a transponder responsive to interrogation by an electric field. The cover provides an electronic identification number and other information in response to the interrogation signal. Also provided is a system for making payments, comprising at least one mobile station (4) which has an associated cover (100) for providing local data transfer. The system also comprises at least one point of sale terminal or the like, which has a second transceiver for providing data transfer.
Owner:RPX CORP
Prevention of cartridge reuse in a surgical instrument
ActiveUS20080164296A1Increased complexityIncrease costSuture equipmentsStapling toolsEngineeringSurgical device
A surgical instrument is disclosed. The surgical instrument includes a control unit and a staple cartridge including a transponder. The control unit is configured to transmit a first wireless signal to the transponder and to receive a second wireless signal from the transponder to determine one of a first electronic state and a second electronic state of the transponder based on the second wireless signal.
Owner:CILAG GMBH INTERNATIONAL
Medical item thermal treatment systems and method of monitoring medical items for compliance with prescribed requirements
Various present invention devices enable adherence to requirements for medical items. A medical item of the present invention includes a monitoring or data recording device to monitor and / or record medical solution conditions. The device may further include indicators to indicate compliance of the medical solution with prescribed requirements (e.g., manufacturer, medical standard or regulation, etc.). The medical item may alternatively include a barcode or transponder to uniquely identify the medical item to a thermal treatment system measuring and storing conditions in a central database. The present invention further includes various thermal treatment systems that monitor medical items for prescribed requirements and display the monitored parameters to medical personnel. In addition, the present invention may place time stamp information on medical items to enable determination by medical personnel of compliance with prescribed requirements.
Owner:PATENTED MEDICAL SOLUTIONS LLC
Method and system of three-dimensional positional finding
The present invention is an RF system and methods for finding a target T in three dimensional space configured to have a transponder disposed on the target T, a monitoring unit configured as a transceiver for determining or monitoring the location of the target T and an RF wireless communication system configured with a processor to repeatedly determine position, communication and other values between the transponder and monitoring unit and so as to generate a measured distance between units in three dimensional space by determining the measured distance of the target T by a spherical virtual triangulation relationship when successive values of said position information has a predetermined logical relationship relative to said previous values between said monitoring unit and transponder and / or slave unit disposed on the target T.
Owner:QUALCOMM TECHNOLOGIES INC
Method and apparatus to detect transponder tagged objects and to communicate with medical telemetry devices, for example during medical procedures
The presence or absence of objects tagged with transponders may be determined in an environment in which medical procedures are performed via an interrogation and detection system which includes a controller and a plurality of antennas positioned along a patient support structure. The antennas may be positioned along an operating table, bed, mattress or pad, sheet, or may be positioned on a drape, or shade. Respective antennas may successively be activated to transmit interrogation signals. Multiple antennas may be monitored for responses from transponders to the interrogation signals. For example, all antennas other than the antenna that transmitted the most recent interrogation signal may be monitored. Antennas may be responsive to force, a signal indicative of such force being produced. A wireless physiological condition monitor may detect patient physiological conditions and wirelessly transmit signals indicative of such.
Owner:TYCO HEALTHCARE GRP LP
Near field RF communicators and near field communications enabled devices
ActiveUS8150321B2Near-field systems using receiversNear-field in transpondersEngineeringSignal generator
A near field RF communicator has: an antenna operable to generate an RF signal to enable inductive coupling via the magnetic field of the RF signal between the antenna and another near field RF communicator or RF transponder in near field range; and a signal generator operable to generate a multi-level digital sine wave drive signal to drive the antenna to generate the RF signal, wherein the signal generator comprises a selector operable to select one or more digital sequences to provide one or more digital signals from which the digital sine wave drive signal is generated.
Owner:NXP USA INC
Medical probe device and method
A medical probe device comprises a catheter having a stylet guide housing with one or more stylet ports in a side wall thereof and a stylet guide for directing a flexible stylet outward through the stylet port and through intervening tissue at a preselected, adjustable angle to a target tissue. The total catheter assembly includes a stylet guide lumen communicating with the stylet port and a stylet positioned in said stylet guide lumen for longitudinal movement from the port through intervening tissue to a target tissue. The stylet can be an electrical conductor enclosed within a non-conductive layer, the electrical conductor being a radiofrequency electrode. Preferably, the non-conductive layer is a sleeve which is axially moveable on the electrical conductor to expose a selected portion of the electrical conductor surface in the target tissue. The stylet can also be a microwave antenna. The stylet can also be a hollow tube for delivering treatment fluid to the target tissue. It can also include a fiber optic cable for laser treatment. The catheter can include one or more inflatable balloons located adjacent to the stylet port for anchoring the catheter or dilation. Ultrasound transponders and temperature sensors can be attached to the probe end and / or stylet. The stylet guide can define a stylet path from an axial orientation in the catheter through a curved portion to a lateral orientation at the stylet port.
Owner:MEDTRONIC VIDAMED
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