Abstract: The embodiments of this invention relate to an electronic device (9) intended to be installed in a portable device (1), which electronic device comprises: a microcontroller (13) configured to communicate with a first interface (5) of the portable device in accordance with a first protocol, the said first interface (5) supplying power voltage to the microcontroller, the said power voltage being standardised by the said first protocol, a secure electronic chip component (15) configured to communicate with a second interface (7) of the portable device in accordance with a second protocol, the said second interface (7) supplying power voltage to the secure component, the said power voltage being standardised by the said second protocol, means for communication (17) between the secure component (15) and the microcontroller (13), in which the means for communication comprise a module for voltage adaptation (19) depending on the power voltages supplied by the first and second interfaces.

Abstract: In order to allow a display of the latest transactions, a smart card 100c for secure transactions comprises at least one secure chip 101c, for example of the EMV type, with at least one communication interface to communicate with a card reader in order to carry out a transaction, an electronic display 103, an independent battery 104, a card reader circuit 150c connected to a communication interface of the secure chip in order to access the information contained in the secure chip to be able to display it on the display.

Abstract: A radio-frequency communication device includes connection means electrically connecting an integrated circuit component, or intended for this purpose; and selection means for selecting an electromagnetic current power supply for the component. The device includes an alternative power supply source for powering the component during the reception of an electromagnetic field as soon as the electromagnetic power supply current received by the component is insufficient.

Abstract: To allow the display of the latest transactions completed, a smart card 100c comprises at least one secure chip 101c with at least one communication interface in order to communicate with a card reader in order to carry out a transaction. The card further comprises an electronic display 103, an independent battery 104, and an interception circuit 150c connected to the at least one communication interface of the secure chip in order to be able to intercept at least one type of command and save at least one piece of information so as to be able to display it on the display.

Abstract: The invention relates to a smartcard receiving device, comprising a contact interface (11) for communicating with the received smartcard (2); a remote communication interface (13) for communicating with a first remote device (3); a protocol bridge (12) designed to establish a transaction with the received smartcard (2) through the contact interface (11). The smartcard receiving device further comprises a communicating device detector (14, 15) adapted to detect a second remote device (5) communicating according to a remote communication protocol different from the communication protocol used by said remote communication interface (13). The protocol bridge (12) interrupts the transaction with the received smartcard (2) when the second remote device (5) communicating according to said different remote communication protocol is detected.

Abstract: The invention relates to a smartcard (10) comprising: a microcontroller (30); a contact communication interface (11); a supply line (Vcc) connecting the contact communication interface to the microcontroller, a clock line (Clk) connecting the contact communication interface to the microcontroller. The smartcard further comprises a power management circuit (20) including a switch (23) adapted to selectively open or close the supply line connection between the contact communication interface and the microcontroller, the power management circuit being adapted to detect the loss of a clock signal on the clock line (Clk), adapted to keep said switch closed during a predetermined period after a loss of clock signal is detected and adapted to open said switch after said predetermined period.

Abstract: An adapter device for connecting a memory card to a host. The adapter having a primary connector to be connected with the host taking up the adapter device and a secondary connector to take up the memory card. An interrupter of the adapter is connected to the primary connector and to the secondary connector. A device interface circuit connected to the primary connector controls the opening and closing of the interrupter depending on the commands received by the first connector, wherein the device interface circuit is configured so that if the primary connector receives a command from the host that is not related to the memory card, the device interface circuit opens the interrupter after the command has passed.

Abstract: The invention is a portable electronic device comprising a non volatile memory and a memory controller. The portable electronic device comprises a connector having eight pads able to communicate using a protocol of Secure Digital® type. The connector comprises at least one additional pad intended to be linked to an antenna. The additional pad is able to communicate using a protocol of SWP type.

Abstract: The invention relates to a method for making a stack of memory circuits, wherein the method includes the step of testing the validity of at least two memory circuits. According to the invention, the method includes the phase of configuring each memory circuit, the configuration phase including the step of writing, within a configuration device of each memory circuit included in the stack, a piece of information on an identifier allocated to the memory circuit in the stack, and a piece of information on the results of the validity test of the memory circuit. The invention also relates to a method for addressing a memory circuit, to a stack of memory circuits, and to an electronic device including such a stack.

Abstract: In order to allow a display of the latest transactions, a smart card 100c for secure transactions comprises at least one secure chip 101c, for example of the EMV type, with at least one communication interface to communicate with a card reader in order to carry out a transaction, an electronic display 103, an independent battery 104, a card reader circuit 150c connected to a communication interface of the secure chip in order to access the information contained in the secure chip to be able to display it on the display.

Abstract: The present invention relates to a method for processing a plurality of radiofrequency communication streams by way of an integrated circuit card, the streams originating from at least two terminals, and the card being connected to a device equipped with a radiofrequency communication interface which is suitable for the connection of a plurality of host terminals. The method includes monitoring the reception and/or transmission at and/or to the card of a first and second stream of data originating respectively from a first and second host terminal. The monitoring step includes a step of checking the availability of the card before the second stream of data is transmitted to the card. The invention also relates to the corresponding monitoring system and device.

Abstract: A boot sequence method comprises a determination step 110 and 200, a first starting step 120, 210 or 240 for starting a first interface, a first negotiation step 140 or 220 wherein a power negotiation is performed, a second negotiation step 140 or 230 for determining the interfaces to activate simultaneously, and a second starting step 150 or 230 wherein the interfaces that can be activated simultaneously are started one after each other.

Abstract: To allow the display of the latest transactions performed, a chip card 100c comprises at least one secure chip 101c furnished with at least one communication interface so as to be able to communicate with a card reader so as to perform a transaction. The card furthermore comprises an electronic display 103, an autonomous battery 104, and an interception circuit 150c linked to the at least one communication interface of the secure chip so as to be able to intercept at least one type of command and store at least one item of information so as to be able to display it on the display.

Abstract: The present invention relates to a communication object comprising means for radiofrequency communication with a remote device, wherein said communication means are capable of establishing a first short-range communication and a second communication having a longer range than the first communication, said long range being enabled by Bluetooth or Wifi technology. The communication means use the same type of communication technology for the first and second communications. The invention also relates to a method for implementing the dual-range radiofrequency communication of the object.

Abstract: The invention is aimed at optimising the life of the power supply of mobile equipment with a radiofrequency communication interface by switching off the power to it when it reaches a given state. A mobile device (102) has a battery (206), a radiofrequency circuit (201) allowing the mobile device (102) to exchange information with a host device (101). The mobile device (102) comprises an electronic switch (202) connected between the battery (206) and at least the radiofrequency circuit (201), where the switch makes it possible to supply power or not to the radiofrequency circuit. A power control circuit (203) is capable of controlling the electronic switch (202) so that it ceases to power the radiofrequency circuit as soon a break in communication is detected.

Abstract: In general, the invention relates to manufacturing a wafer. The method includes manufacturing a wafer that includes a front side and a back side, thinning the wafer down to a thickness suitable for an intended operation of the wafer, polarizing the substrate wafer from the back side, and cutting the wafer. The wafer is polarized such that an attempt to thin the wafer from the backside results in at least one selected from a group consisting of destruction of the wafer and damage to the wafer.

Abstract: The invention relates to an electronic circuit (3) for interconnecting a smartcard chip with a peripheral device, comprising:—a dedicated communication interface (31) adapted to communicate with a smartcard chip;—a configurable communication interface (33,34,35) adapted to communicate with a peripheral device;—a configuration module (32) adapted to receive on said dedicated communication interface a request for configuring the configurable communication interface, adapted to configure the communication protocol of the configurable communication interface with the peripheral device based on the received request;—a bridging module (32) adapted for converting data exchanged between the peripheral device and the smartcard chip through the dedicated communication interface and the configurable communication interface.

Abstract: (EN) The invention relates to a portable electronic device (SC, TK) comprising electric input means (VCC, GND, ANT) for receiving electric power from an external power supply. The portable electronic device (SC, TK) comprises an application, the application being set to be triggered when power is supplied to said electric input means (VCC, GND, ANT), and to not communicate with entities external to the portable electronic device (SC, TK), or to only notify such entities of an event. The application is further set to configure the portable electronic device (SC, TK), and to be successfully executable at most once. The invention also relate to a manufacturing equipment (M) for configuring a portable electronic device (SC, TK) and to a method for configuring a portable electronic device (SC, TK).

Abstract: The invention is a method of managing data in a portable electronic device comprising first and second controllers. The first controller comprises a first microprocessor and a first non volatile memory. The first microprocessor comprises a first piece of code. The second controller comprises a second microprocessor and a second non volatile memory. The second non volatile memory comprises a first executable data. The method comprises the following steps of: a) loading and activating the first piece of code in the first microprocessor, b) sending by the first controller a first request for retrieving the first executable data from the second non volatile memory, c) loading the first executable data into the first controller, and d) executing the first executable data by the first microprocessor.

Abstract: The invention relates to an M2M device comprising a communication unit and a SIM card, the said SIM card comprising a controller or microcontroller (A), characterised in that the SIM card comprises at least one sensor (B; C), the said at least one sensor being a sensor selected from the group consisting of a temperature sensor, a strain sensor, a movement sensor, a displacement sensor, an inertia or acceleration sensor, a sound sensor, a pressure sensor, an impact sensor and a vibration sensor, the said controller or microcontroller (A) comprising an element for deactivating at least some of its functions following the receipt from the said at least one sensor (B,C) of at least one signal indicating that an environment status value is outside a predetermined range, thus preventing the malicious use of the said SIM card.