公开(公告)号：US20130119134A1

公开(公告)日：2013-05-16

申请号：US13663319

申请日：2012-10-29

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Alexandre Tramoni

IPC: G06K7/01 ,  H01H9/28

CPC classification number: G06K19/0726 ,  G06K7/10237

Abstract: An antenna circuit for a device of transmission/reception by inductive coupling, including a first inductive element in parallel with a capacitive element and, between each node of the parallel association and two terminals of a switch, a second inductive element.

Abstract translation: 一种用于通过电感耦合进行发送/接收的装置的天线电路，包括与电容元件并联的第一电感元件，以及并联关联的每个节点与开关的两个端子之间的第二电感元件。

公开(公告)号：US12164316B2

公开(公告)日：2024-12-10

申请号：US18119535

申请日：2023-03-09

Applicant: STMicroelectronics (Rousset) SAS ,  STMicroelectronics France ,  STMicroelectronics (Alps) SAS

Inventor： Alexandre Tramoni ,  Florent Sibille ,  Patrick Arnould

IPC: H04B5/79 ,  G05F1/46

Abstract: An electronic device includes a near-field communication module and a powering circuit for delivering a power supply voltage to the near-field communication module. When the near-field communication module is in a low power mode, the powering circuit is configured for an operational mode where it is periodically started to provide the power supply voltage.

公开(公告)号：US12028128B2

公开(公告)日：2024-07-02

申请号：US17737875

申请日：2022-05-05

Applicant: STMICROELECTRONICS (ROUSSET) SAS

Inventor： Alexandre Tramoni

IPC: H04B5/00 ,  H04B5/24 ,  H04B5/48 ,  H04B5/72 ,  H04B5/73 ,  H04Q5/22 ,  H04W74/08

CPC classification number: H04B5/72 ,  H04B5/24 ,  H04B5/48 ,  H04B5/73

Abstract: The present disclosure relates to a near-field communication device including a near-field communication controller. The near-field communication controller includes at least one first demodulator, adapted to apply a first type of demodulation to a first signal modulated according to a first or a second type of modulation; and at least one second demodulator, adapted to apply a second type of demodulation to the first signal.

公开(公告)号：US11799517B2

公开(公告)日：2023-10-24

申请号：US18158465

申请日：2023-01-23

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Alexandre Tramoni ,  Nicolas Cordier

IPC: H04B5/00 ,  G06K19/07 ,  H01Q1/24 ,  H01Q1/52 ,  H01Q1/22

CPC classification number: H04B5/0031

Abstract: A circuit for a communication device and a method for switching a communication device are disclosed. In an embodiment, a method includes activating at least one first antenna and at least one second antenna of a near-field communication (NFC) device for switching the NFC device between first field detection phases and second card detection phases.

公开(公告)号：US11671146B2

公开(公告)日：2023-06-06

申请号：US17499423

申请日：2021-10-12

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Alexandre Tramoni

IPC: H04B5/00 ,  H04B17/11 ,  H04B17/21

CPC classification number: H04B5/0031 ,  H04B5/0037 ,  H04B5/0075 ,  H04B17/11 ,  H04B17/21

Abstract: An embodiment of the present description concerns a method wherein a duration of a periodic step of activation of a near-field communication circuit of a first device is calibrated according to a time interval between an activation of the circuit and a reception, by the first device, of a message transmitted by a second device.

公开(公告)号：US20230170935A1

公开(公告)日：2023-06-01

申请号：US18159813

申请日：2023-01-26

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Alexandre Tramoni

IPC: H04B5/00

CPC classification number: H04B5/0031 ,  H04B5/0043 ,  H04B5/0062 ,  H04B5/0087

Abstract: A device includes a first circuit that includes a near-field emission circuit, a second circuit, and a hardware connection linking the first circuit to the second circuit. The hardware connection is dedicated to a priority management between the first circuit and the second circuit. In addition, priority management information can be communicated between a near-field emission circuit and a second circuit. The communicating occurs between a dedicated hardware connection connecting the near-field emission circuit to the second circuit.

公开(公告)号：US11558734B2

公开(公告)日：2023-01-17

申请号：US17317401

申请日：2021-05-11

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Thierry Crespo ,  Pierre Rizzo ,  Alexandre Tramoni ,  Patrice Portefaix

IPC: H04W8/22 ,  G06K19/077

Abstract: An embodiment subscriber identification module includes a first communication interface, including first pads intended to be coupled to a modulator-demodulator circuit; a second interface, including second pads intended to be coupled to a subscriber identification module card; and a switching circuit, configured to couple the first pads to the second pads or to a communication module integrated to the subscriber identification module. Another embodiment concerns a method of controlling the module.

公开(公告)号：US20220149893A1

公开(公告)日：2022-05-12

申请号：US17499423

申请日：2021-10-12

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Alexandre Tramoni

IPC: H04B5/00 ,  H04B17/11 ,  H04B17/21

Abstract: An embodiment of the present description concerns a method wherein a duration of a periodic step of activation of a near-field communication circuit of a first device is calibrated according to a time interval between an activation of the circuit and a reception, by the first device, of a message transmitted by a second device.

公开(公告)号：US20210158120A1

公开(公告)日：2021-05-27

申请号：US17096480

申请日：2020-11-12

Applicant: STMicroelectronics (Rousset) SAS ,  STMicroelectronics razvoj polprevodnikov d.o.o.

Inventor： Kosta Kovacic ,  Alexandre Tramoni

IPC: G06K19/07 ,  G06K7/00 ,  H04B5/00 ,  H02J50/80

Abstract: In an embodiment a method for dynamic power control of a power level transmitted by an antenna of a contactless reader is disclosed. The method may include supplying a power to the antenna and performing at least one power adjusting cycle for adjusting a power level during a contactless transaction with a transponder, each power adjusting cycle including modifying the power supplied to the antenna to a predetermined level of power, performing a first measuring of a loading effect on the antenna at the predetermined level of power and adjusting the power level according to the measured loading effect.

公开(公告)号：US20200076477A1

公开(公告)日：2020-03-05

申请号：US16545115

申请日：2019-08-20

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Alexandre Tramoni

IPC: H04B5/00 ,  H02M7/06 ,  H03K3/03

Abstract: A device includes an electronic circuit and a voltage-controlled oscillator configured to receive information representative of a power supply voltage of the device. The voltage-controlled oscillator is coupled to the electronic circuit. A first counter is configured to count pulses supplied by the voltage-controlled oscillator and a second counter is configured to count pulses of a clock signal. The device is configured to estimate an average power of the electronic circuit based on the pulses counted by the first counter.