Abstract:
The emitter is designed for creation of the contactless communication channel (mainly RFID/NFC) in the miniature build space. The emitter has oblong, at least partially ferrite core (1); the conductor (4) with at least three threads (2) is wound on the core (1). The threads (2) are placed on the core (1) with the changing lead of the thread (2) in such a way that from the middle zone (3) of the core (1) towards the ends of the core (1) the pitch (2) of the thread (2) of the conductor (4) increases. The conductor (4) of the thread is flat or the winding includes multiple conductors (41 to 4N) led in parallel close to each other and forming a multi-degree thread (2). The core has an oblong longitudal cross-section where the width of the cross- section of the core (1) is at least 3 times the height of the cross-section of the core (1) and the length of the core (1) is at least 10 times the height of the cross-section of the core (1). The core (1) has the height 0,5 mm in the cross-section, preferably 0,3 mm. The increase of the lead of the thread (2) can be linear.
Abstract:
A mobile communication device (4) for contactless payments has two independent chips with Secure Elements (2, 3) on its printed circuit board. One Secure Element (2) contains an indifferent POS payment terminal, the second Secure Element (3) contains a payment card. The Secure Elements (2, 3) are interconnected through a contact circuit (1 ) on the printed circuit board of the mobile communication device (4). In suitable configuration, the circuit (1) will be formed by a contact interface that will enable communication according ISO 7816. An indifferent POS payment terminal is being changed to a specific terminal in accordance with the received configuration data. The payment terminal started on the Secure Element (2) communicates over the circuit (1) with the payment card on the Secure Element (3) using the same process as if it was a payment card inserted in a payment card contact reader. The payment cryptogram can be in a standard form.
Abstract:
An antenna is located in the body of a removable memory card in such a way that at least one part of the antenna (2) is adjacent to that outer rim (10) of the card, which is near the entrance of the SD card slot after the card is inserted into the slot. The surface of the removable memory card (1) is covered with a ferrite layer (4) and a metal layer (4). The metal layer (4) screens the antenna (2) besides the uncovered zone (9), which is next to the outer rim (10) of the card. The uncovered zone (9) can be formed by a stripe with a width of up to 2 mm. The metal layer (4) can be made of copper or of aluminium and the ferrite layer (3) contains at least 50%, preferably however more that 60% of ferrite. The antenna (2) can be made of conductive loops basically of a rectangular shape, preferably in two separate parts on both sides of a PCB layer (5). The material of the card can contain a powder ferrite with at least 25% volume share. The powder ferrite can be made of ferrite particles having various chemical composition and various shape, preferably with a granularity from 20 μm to 70 μm.
Abstract:
When processing repeated operations on the keyboard of a mobile communication device, mainly at direct debits, used is a separate data carrier with a memory in which is stored at least one file with a sequence of keyboard orders of a macro type. Data carrier is energetically supplied contact- free by electromagnetic field of the mobile communication device while receiving the requiring order and, according to this order, chooses from the memory and encodes appropriate file with a sequence of keyboard orders. Data carrier sends the encoded file into the mobile communication device which decodes the received file and performs processes representing the keystrokes according to the sequence of keyboard orders. The invention also describes connection and data carrier to perform above described method where the data carrier consists of a processor, transmitting and receiving unit, block for transforming electromagnetic field and a memory to store a file of orders.
Abstract:
NFC antenna system has at least one pair of solenoid windings (1) which are placed in a single plane and have a common axis (3). The solenoid windings (1) are connected to the excitation and are oriented in such a way that their magnetic fields are mutually opposite. The distance between the middles of the solenoid windings (1) is at least twice their length; usually the distance is 35 to 45 mm when the length of the solenoid windings (1) ranges from 5 to 20 mm. In a preferable arrangement each solenoid winding (1) has its own, independently controlled excitation element (4), whereby the excitation elements have a modulation input connected and they have a same excitation frequency. The end levels of the excitation element (4) are independently controlled by means of the control inputs to switch the end levels on and off, which allows for simple alteration of the modulation depth. In one pair of the solenoid windings (1) the change can be set in a range from 25% to 100% with a 25% step. The significant advantage of the invention is the diminishing of the surface needed for placement of the NFC antenna on the carrier, mainly on the PCB of the mobile phone.
Abstract:
Cashless payment device with prepaid credit contains a block for storage of data about the of current credit amount and is located on the removable memory card (1), which is located in the mobile communication device (4). In case of contactless top-up of electronic money on the pre-paid card, a message, preferably in the form of SMS, with the information about prepared money for the increase of the current credit is sent from the host (2) to the corresponding mobile communication device (4) according to the database of assigned numbers. The authorization request cryptogram, especially in the form of ARQC, is generated in the block on the payment device and the block is switched into the IDLE mode, in which the same authorization request cryptogram is generated permanently until the corresponding authorization response cryptogram is received, especially in the form of ARPC, which is created in the host (2).
Abstract:
A method of electronic payment transaction is characterized by the fact that during processing of one payment transaction, a communication link (3) between the card (1) and the terminal (2) is interrupted and the ARPC answering file is received to the card (1) after the original communication link (5) is interrupted. Two phases are separated by a reset of the card (1) where in the second phase initial payment data (ARQC) are used. Electronically signed ARQC payment file is stored in the card's (1) memory for at least until the corresponding time ARPC answering file is of received and processed. The solution enables to place the mobile phone with a payment card (1) near to the terminal's (2) reader twice. The first time, a request for on-line authorization is generated and during the second touch the information from the payment processor (5) is recorded into the payment application.
Abstract:
As disclosed herein, a computer mouse (1) may include a contact- less communication element (2) for communication with a mobile communication device (3), such as a mobile phone. The communication element (2) may be a near-field communication (NFC) element, and may be adapted to establish a connection with a secure element (4) for processing data communicated between a computer (5) and the mobile communication device (3). The secure element (4) may be configured in a memory device, which may be located in the computer mouse (1) or on a separate carrier (6). The carrier (6) may be a removable memory card, the insertion of which into a corresponding connector (7) may establish a connection between the communication element (2) and the secure element (4). The communication element (2) may include an antenna, which may be formed on a printed circuit board in the computer mouse (1). A computer mouse (1) as described herein may enable a computer (5) to communicate with a mobile communication device (3) in a secure manner.
Abstract:
The communication method with the POS terminal that improves transmission characteristics of the authorized payment from the mobile communication device (9) is based upon a fact that the frequency converter (1) on that side of the communication channel where the POS terminals NFC antenna (8) is. The frequency converter (1) receives and processes the signal from the POS terminals NFC antenna (8) on the 13.56 MHz frequency, sends it on a higher frequency into the mobile communication device (9) and vice versa. The frequency converter (1) is outwardly energetically passive and is power supplied from the electromagnetic field received from the POS terminals antenna (8). The frequency converter (1) contains an antenna, tuned to the frequency in the range of 13.00 to 14.00 MHz, that is connected to the power supply element (4). The frequency converter (1) is located in the proximity of the POS terminal's antenna.
Abstract:
The system consists of a POS terminal (6), a secure element (2), a mobile communication device (1) with a display and a keyboard, such as a mobile phone. The mobile communication device (1) is equipped with a removable memory card (3), in which there are at least two physically separate secure elements (2) located. The mobile communication device (1) is connected to the POS terminal (6) through a contactless transmission channel (5) and at least one secure element (2) on the removable memory card (3) contains a payment card unit (9). The removable memory card (3) contains a NFC communication element (7). The system can also encompass a separate carrier (13) for PIN entering. The carrier (13) is energetically supplied from the field of the received electromagnetic field. During the payment's authorization, the managing unit (4) in the mobile communication device (1) activates a corresponding secure element (2) with the chosen payment card unit (9) on the removable memory card (3). The mobile communication device (1) communicates with the POS terminal (6) through contactless transmission channel (5).