Patent application number | Description | Published |
20080296978 | Controlled Wireless Charging of an Accumulator in a Chipcard - Method, apparatus and system for contactless charging of an energy storage unit of an energy sink ( | 12-04-2008 |
20090040022 | Transponder Unit - The invention relates to a transponder unit ( | 02-12-2009 |
20090096587 | Transponder Actuatable Switching Device - The present invention relates to a switching device for generating a switch signal, a reading device with the switching device and a method for the communication between a reading device and a transponder (T). The switching device includes an antenna ( | 04-16-2009 |
20090199206 | DATA STORAGE MEDIUM AND METHOD FOR CONTACTLESS COMMUNICATION BETWEEN THE DATA STORAGE MEDIUM AND A READER - The present invention relates to a method and an accordingly set tip data carrier for contactless, in particular parallel, communication of a reading device ( | 08-06-2009 |
20090236414 | METHOD AND APPARATUS FOR PERSONALIZING PORTABLE DATA STORAGE MEDIA - A method is suggested for the simultaneous personalization of several portable data carriers ( | 09-24-2009 |
20100014207 | DEVICE FOR ACTUATING AN ACTUATOR - The invention relates to an apparatus ( | 01-21-2010 |
20100308957 | DEVICE FOR CONTROLLING AN ACTUATOR - An apparatus includes an energy store for supplying an actuator, an antenna device for receiving, by contactless communication, energy for charging the energy store and one or more control signals comprising a command for triggering the actuator, and a control unit for controlling the supply of energy to the actuator on the basis of the control signals. After the triggering command has been received, the state of charge of the energy store is determined. When this state is less than a state of charge threshold value that is sufficient for triggering the actuator, a response signal to continue contactless communication is transmitted to the transmitting device via the antenna device. When this state is greater than or equal to the state of charge threshold value, the control unit controls the supply of energy from the energy store to the actuator so that it is possible to trigger the actuator. | 12-09-2010 |
20110205015 | METHOD FOR CHALLENGE RESPONSE AUTHENTICATION BETWEEN A READING DEVICE AND A TRANSPONDER USING CONTACTLESS DATA TRANSMISSION - A method for challenge-response authentication between a reading device and a transponder based on a contactless data transmission, according to which challenge data (CH) are transferred within an anti-collision loop from the reading device to the transponder by means of one or several commands (AC) of an anti-collision method, with the command or commands (AC) serving to determine transponder identification data. In the command or commands (AC) respective challenge data (CH) are contained in a data field (D | 08-25-2011 |
20120161923 | METHOD, PORTABLE DATA STORAGE MEDIUM, APPROVAL APPARATUS AND SYSTEM FOR APPROVING A TRANSACTION - A method, a portable data storage medium, an approval apparatus and a system for approving a transaction using acceleration sensors integrated in a portable data storage medium. | 06-28-2012 |
20120290481 | METHOD FOR CARRYING OUT A TRANSACTION BETWEEN A PORTABLE DATA CARRIER AND A TERMINAL - A method for carrying out a transaction between a portable data carrier, such as a chip card, and a terminal is described. An information item (TID) about the terminal is transferred to the portable data carrier upon the transmission of transaction data by a communication between the portable data carrier and the terminal. As a result, the portable data carrier obtains from the information item a locational position (ZID, WID, GID) of the terminal. Further, there is ascertained a locational position (OP) of the portable data carrier to which the portable data carrier has access. Finally, the portable data carrier compares the locational position (ZID, WID, GID) of the terminal with its locational position (OP), and initiates a measure for protecting the transaction in case a deviation between the two locational positions (ZID, WID, GID; OP) exceeds a predetermined threshold. | 11-15-2012 |
20130009752 | SYSTEM AND METHOD FOR THE PRESENCE RECOGNITION OF A SECOND PORTABLE DATA CARRIER BY A FIRST PORTABLE DATA CARRIER - A system for recognizing the presence of a second portable data carrier by a first portable data carrier, wherein the data carriers have respectively a contactless interface with an antenna and an electronic circuit for storing and/or processing data. An RFID reading device supplies the data carriers with energy and for the respective communication of the data carriers with the reading device. In the first and the second data carrier there is respectively provided a further communication device, via which an additional, direct communication channel, independent of the field of the reading device, is made available between the first and the second data carrier, to thereby check the immediate presence of the second data carrier in the field of the reading device by the first data carrier. | 01-10-2013 |
20130122813 | NETWORK NODE FOR A WIRELESS SENSOR NETWORK - A network node for a wireless communication network, in particular for a wireless sensor network, includes a wireless communication device operable in a first communication mode in which the communication device emits; with a first transmit power, first communication signals for contactless communication with other network nodes in the communication network. The communication device is further operable in a second communication mode, in which the communication device emits, with a second transmit power, second communication signals for communication with a transponder, whereby the second transmit power is greater than the first transmit power. In the first communication mode, by the communication device there is detectable the presence of a transponder in the environment of the network node by the first communication signals. | 05-16-2013 |
20140043145 | DATA STORAGE MEDIUM AND METHOD FOR CONTACTLESS COMMUNICATION BETWEEN THE DATA STORAGE MEDIUM AND A READER - A method and a data carrier for contactless communication of a reading device with at least two communication-ready applications located on a portable data carrier. A first communication-readiness signal is generated for a first application and sent to the reading device, the signal having a first identification number that is assigned to the first application and indicates to the reading device the communication readiness of said first application, and a second communication-readiness signal is generated and sent for a second application, the second signal having a second identification number different from the first identification number, which is assigned to said second application and indicates to the reading device the communication readiness of the second application. The identification numbers simulate for the reading device the communication readiness of a data carrier in each case. The reading device thus has the impression of communicating with applications of two separate data carriers. | 02-13-2014 |
20140055247 | Reading Device for Contactless Communication with a Transponder Unit - A reading device for contactless communication with a transponder unit includes a first antenna for generating a reading device field in the form of an alternating magnetic field. The reading device further contains one or more second antennas configured, and arranged in relation to the first antenna, such that during a contactless communication of the reading device with a transponder unit which generates communication signals by means of load modulation, a predetermined change of a detection signal is captured on the second antenna or antennas if the transponder unit is located in a predetermined zone around the reading device. | 02-27-2014 |
20140287683 | Transaction System - A transaction system has a terminal device contactlessly communicating in the near zone for carrying out transactions with transaction partners disposed in the near zone. A relay end device is arranged to set up a contactless data communication with the terminal device and to relay transaction data received from the terminal device to a remotely disposed transaction unit. A server device switches the relay end device with the transaction unit as a transaction partner for the terminal device, depending on the type of the transaction. | 09-25-2014 |
20140361877 | Apparatus for Communicating with a Portable Data Carrier - An apparatus for communicating with a portable data carrier comprises a first communication interface, based on wireless data transfer technology, for receiving and/or transmitting data via a first communication channel, and a second communication interface, based on different contactless data transfer technology, for receiving and/or transmitting data via a second communication channel. A first software interface to the first communication interface via which an application program stored in the apparatus can communicate with the first communication interface. The apparatus has a second software interface via which the application program can communicate with the second communication interface, with the communication from the first software interface to the first communication interface, and vice versa, being passed via the second software interface. | 12-11-2014 |
20150026790 | Method for Computer Access Control by Means of Mobile End Device - A method for access control to a computer with a mobile end device relies on using contactless interfaces. An authentication to the computer is carried out with the mobile end device and upon a successful authentication the access to the computer is granted or maintained. For preparing the authentication, a certificate is loaded into the mobile end device from a portable data carrier separate from the mobile end device. For authentication, authentication data comprising the certificate or obtained from the certificate are provided to the computer from the mobile end device via the contactless interfaces. | 01-22-2015 |
20150071441 | METHODS AND SYSTEM FOR SECURE COMMUNICATION BETWEEN AN RFID TAG AND A READER - Methods and a system involve secure communication between an RFID tag and a reader via the over-the-air interface, and to corresponding RFID tags and corresponding readers. A modification of the Rabin method is employed wherein within the framework of the encryption of a plaintext M into which an identification element of the RFID tag or of an object furnished therewith is incorporated, there is computed by the RFID tag, the Montgomery residue (Montgomery reduction) of the square of the plaintext M modulo n with respect to a Montgomery base R, i.e. C*=M | 03-12-2015 |