Patent application number | Description | Published |
20080219444 | Method for the secure loading in a NFC chipset of data allowing access to a service - A method for the secured loading of data into a first secured host processor of an NFC system comprising an NFC interface circuit for sending and receiving data, enabling a service to be accessed, the method comprising: generating a secret data, transmitting the secret data to the first host processor through a secured link, ciphering data to be loaded into the first host processor using a public key of the first host processor, and transmitting the ciphered data to the system for the first host processor which deciphers the data using a private key corresponding to the public key. | 09-11-2008 |
20090206984 | APPLICATION CONTROL METHOD IN AN NFC CHIPSET COMPRISING SEVERAL HOST PROCESSORS - A method for controlling the execution of an application in a system having a contactless data sending/receiving interface (CLINT) of NFC type, and host processors (HP | 08-20-2009 |
20100178867 | Method and Device for Managing Application Data in an NFC System in Response to Contactless Data Sending or Receiving - A method for managing application data in an NFC system embedded or to be embedded in a portable object including a contactless data sending/receiving interface, one or more host processors and a data routing or transferring processor is described. The method includes generating complementary application data in response to the routing or transferring of external application data, and supplying the complementary application data to a host processor of the NFC system. | 07-15-2010 |
20100178868 | Method and Device for Managing Application Data in an NFC System - A method for managing application data in an NFC system embedded or to be embedded in a portable object and including a contactless data sending/receiving interface, one or more host processors, and a data routing or transferring processor is described. The method includes generating internal application data in response to the occurrence of an internal event within the NFC system, and supplying the internal application data to a host processor of the NFC system. | 07-15-2010 |
20100227553 | METHOD OF ROUTING INCOMING APPLICATION DATA IN AN NFC CHIPSET, FOR IDENTIFICATION OF THE APPLICATION - A method for routing incoming or outgoing application data in an NFC system includes an NFC interface circuit performing contactless data sending and receiving. The routing of incoming application data received by the interface circuit includes routing at least a first portion of the incoming application data to a destination point located in the NFC system and designated as arbitration point of incoming application data routing; analyzing by the arbitration point the first portion of the incoming application data to identify the application for which the data is sent to the NFC system; designating by the arbitration point a point of destination of the application data and application processing; and routing a second portion of the incoming application data to the destination and processing point. | 09-09-2010 |
20100240303 | PROCESS FOR ESTABLISHING A DATA LINK BETWEEN TWO PROCESSORS, SPECIFICALLY WITHIN AN NFC CHIPSET - A process for establishing a data link between a first processor configured to supply, upon a contact communication port, a first data carrying signal, and a second processor configured to supply, upon a contact communication port, a second data carrying signal is described. The process includes providing a first coupler and a second coupler, establishing a contactless coupling between the first and second couplers and, by the intermediary of the couplers and at least one RF signal, transferring the first data carrying signal to the second processor and transferring the second data carrying signal to the first processor. The second processor is, for example, a secure processor of a SIM card and the first processor is an NFC controller. | 09-23-2010 |
20100253532 | Method of Locating an Emitting Handheld Device and Man/Machine Interface System Implementing Such a Method - A method of locating a handheld device emitting an electric field and/or magnetic field includes defining a reference area, arranging at least one electric field and/or magnetic field probe proximate to or inside the reference area, arranging the handheld device within the reference area, receiving from the probe a detection signal of the electric field and/or magnetic field emitted by the handheld device, and analyzing the detection signal supplied by the probe and determining therefrom the location of the handheld device within the reference area. Embodiments of the invention are applicable to the performance of an interactive action, which is initiated depending upon the location of the handheld device within the reference area. | 10-07-2010 |
20120071089 | Method and Device for Active Load Modulation by Inductive Coupling - A data emission/reception device by inductive coupling includes an inductive antenna circuit in which an antenna signal appears, a mechanism configured to for extracting a first periodic signal from the antenna signal, a synchronous oscillator receiving the first periodic signal and supplying a second periodic signal, and an active load modulation circuit configured to apply bursts of the second periodic signal to the antenna circuit. The device is configured to place the oscillator in the synchronous oscillation mode before each application of a burst of the second periodic signal to the antenna circuit, then place the oscillator in the free oscillation mode. | 03-22-2012 |
20120071090 | NFC Card Sensitive to Eddy Currents - An NFC card includes an antenna circuit including an antenna coil having at least one magnetic axis, and at least one integrated circuit linked to the antenna circuit. The magnetic axis of the antenna coil is substantially parallel to the plane of the card, and is at an angle of 45°±25° with respect to a longitudinal axis LX of the card. Embodiments of the invention are applicable in particular to SIM-NFC card and SD-NFC cards. | 03-22-2012 |
20120123883 | NFC TRANSACTION SERVER - A near field transaction system includes a first transaction device having near field communication circuitry, and a portable device having near field communication circuitry. The system also includes at least one transaction server having a memory area with at least one application program, and a mechanism for establishing a data link between the server and the near field communication circuitry of the portable device. The application program is configured to perform a transaction with the first transaction device, using the near field communication circuitry of the portable device as a proximity relay to communicate with the first transaction terminal. | 05-17-2012 |
20120123945 | NFC TRANSACTION METHOD AND SYSTEM - A method for performing a transaction between a portable device and a transaction device includes: providing at least one transaction server having at least one application program configured to receive, process and emit application data, establishing at least one data link between the portable device and the transaction server, establishing a near field communication channel between the portable device and the transaction device, and, via the portable device, transferring to the application program of the server application data sent by the transaction device, and receiving application data sent by the application program of the server and transferring them to the transaction device. | 05-17-2012 |
20120129571 | RADIO COMMUNICATION DEVICE COMPRISING A UHF TAG READER - A device includes a radio transceiver equipped with a UHF antenna, a clock generator associated with the radio transceiver, a processor configured to periodically connect to the radiotelephony network by way of the radio transceiver, and a UHF tag reader configured to conduct a transaction with a UHF tag only outside periods of connection of the processor to the radiotelephony network. The device is particularly directed for use in mobile telephones. | 05-24-2012 |
20120322500 | CONTACTLESS INTEGRATED CIRCUIT HAVING NFC AND UHF OPERATING MODES - A contactless integrated circuit includes modulation and demodulation circuits configured to connect to an HF antenna circuit to emit and receive HF signals by inductive coupling in a reader mode, modulation and demodulation circuits configured to connect to a UHF antenna to emit and receive UHF signals by electric coupling in a reader mode, a data processing circuit connected to the modulation and demodulation circuits, and configured to provide data to be emitted to the modulation circuits, and to process received signals, transmitted by the demodulation circuits, the demodulation circuits including a common demodulation circuit to equally process signals received by the UHF and HF antennas. | 12-20-2012 |
20130181875 | NFC ANTENNA WITH INTERLEAVED COILS - An antenna circuit for near-field communications includes a planar active winding, connected between a first and a second access terminal; an auxiliary winding coplanar with the active winding and connected by a first end to the first access terminal; and a tuning capacitor connected to the second end of the auxiliary winding. The turns of the active and auxiliary windings are interleaved. | 07-18-2013 |
20130282570 | METHOD AND SYSTEM FOR NFC TRANSACTION - A method for performing a transaction between a portable device and a transaction terminal includes establishing a communication channel between the portable device and the transaction terminal; establishing a first data link between the transaction terminal and the transaction server; and using an application program in the transaction server to perform the transaction with the transaction terminal through the data link, on behalf of the portable device. | 10-24-2013 |
20130288599 | METHOD AND DEVICE FOR MODULATING AN ACTIVE LOAD WITH DAMPING OF AUTO OSCILLATION - A method for sending data by inductive coupling includes: extracting an antenna signal from an antenna circuit, extracting from the antenna signal a first periodic signal, producing a second periodic signal by way of a synchronous oscillator, placing the oscillator in a free oscillation mode and applying to the antenna circuit the second periodic signal, modifying the impedance of the antenna circuit, restoring the amplitude of the antenna signal, then resynchronizing the oscillator on the first periodic signal. | 10-31-2013 |
20140378051 | COMMUNICATION METHOD BETWEEN A DUAL INTERFACE NFC CARD INSERTED INTO AN NFC TERMINAL, AND AN NFC DEVICE - The present invention relates to a contactless communication method between an NFC card with a contact and contactless dual interface, installed in a communication terminal, and an external NFC device, the terminal including an NFC module coupled to the contact interface of the card and including a contactless communication interface, the method including the steps of: selecting one or the other of the contact and contactless interfaces of the card, transmitting signals between the card and the NFC device through the selected interface, and if the contact interface of the card is selected, through the contactless interface of the NFC module, and detecting by the card the presence of the NFC module connected to its contact interface, the selection of one or the other of the contact and contactless interfaces of the card being performed by the card depending on the result of the detection of the NFC module presence. | 12-25-2014 |