公开(公告)号：US10419058B2

公开(公告)日：2019-09-17

申请号：US15728150

申请日：2017-10-09

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Alexandre Tramoni

IPC: H04B1/40 ,  H04B1/18 ,  H04B5/00 ,  H04B1/04

Abstract: A contactless component, connected to an antenna, includes a plurality of terminals and a first, second, third, and fourth plurality of switchable auxiliary capacitors. The plurality of terminals include a first output terminal, a second output terminal, a first auxiliary terminal, and a second auxiliary terminal. Each of the first plurality of switchable auxiliary capacitors is connected between the first auxiliary terminal and the first output terminal. Each of the second plurality of switchable auxiliary capacitors is coupled between the first auxiliary terminal and a neutral point. Each of the third plurality of switchable auxiliary capacitors is coupled between the second auxiliary terminal and the second output terminal of the contactless component. Each of the fourth plurality of switchable auxiliary capacitors is coupled between the second auxiliary terminal and the neutral point.

公开(公告)号：US20190181919A1

公开(公告)日：2019-06-13

申请号：US16211964

申请日：2018-12-06

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Alexandre Tramoni ,  Nicolas Cordier ,  Anthony Tornambe

IPC: H04B5/02 ,  H04W52/02

Abstract: A method of detection of the presence, by a first NFC device, of a second NFC device, during periodic field emission bursts, where detection thresholds are adjusted according to results obtained during one or a plurality of previous bursts.

公开(公告)号：US09941935B2

公开(公告)日：2018-04-10

申请号：US15629525

申请日：2017-06-21

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Pierre Rizzo ,  Alexandre Tramoni

IPC: H04B7/00 ,  H04B5/00 ,  H03H7/40 ,  H04W76/02

CPC classification number: H04B5/0031 ,  H03H7/40 ,  H04W76/14

Abstract: An electronic device includes an antenna, an irremovable component, a removable component, an impedance matching circuit, and a controller. The impedance matching circuit is arranged in a first configuration corresponding to the removable component connected to the irremovable component. The impedance matching circuit has a first capacitor, a second capacitor, and a third capacitor. The controller is configured to arrange the impedance matching circuit in a second configuration corresponding to the removable component being disconnected from the irremovable component.

公开(公告)号：US09626614B2

公开(公告)日：2017-04-18

申请号：US13663319

申请日：2012-10-29

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Alexandre Tramoni

IPC: G06K19/06 ,  G08B13/14 ,  G06K19/07 ,  G06K7/10

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.

公开(公告)号：US11914450B2

公开(公告)日：2024-02-27

申请号：US17838157

申请日：2022-06-10

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Alexandre Tramoni

IPC: G06F1/32 ,  G06F1/3296 ,  G06F1/3203

CPC classification number: G06F1/3296 ,  G06F1/3203

Abstract: In an embodiment, an electronic device includes a first near field communication module, at least one second communication module, at least one portion of a volatile memory, at least one register, and at least one first circuit configured to activate the near field communication module, wherein the at least one second communication module is configured to power the at least one portion of the volatile memory, the at least one register and the at least one first circuit with a first supply voltage when the electronic device is in an on state and when the first near field communication module is in a standby mode.

公开(公告)号：US11863248B2

公开(公告)日：2024-01-02

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：US11700520B2

公开(公告)日：2023-07-11

申请号：US17122789

申请日：2020-12-15

Applicant: STMicroelectronics (Rousset) SAS ,  Proton World International N.V.

Inventor： Olivier Van Nieuwenhuyze ,  Alexandre Tramoni ,  Pierre Rizzo

IPC: H04W4/80 ,  H04W4/029 ,  H04W76/11 ,  H04W84/12

CPC classification number: H04W4/80 ,  H04W4/029 ,  H04W76/11 ,  H04W84/12

Abstract: Devices and methods for configuration of a mobile terminal including a near-field communication device and a radio communication device separate from the near-field communication device are provided. One such method includes determining, by the radio communication device, an identifier of a wireless local network within a range of the mobile terminal. The method further includes selecting, from a configuration table, at least one configuration parameter of a plurality of sets of configuration parameters of the near-field communication device according to the identifier, and applying the at least one configuration parameter to the near-field communication device.

公开(公告)号：US11626862B2

公开(公告)日：2023-04-11

申请号：US17251738

申请日：2019-06-25

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Alexandre Tramoni ,  Jimmy Fort

IPC: G06F1/3287 ,  H03K3/0233 ,  H03K17/687

Abstract: An embodiment of the present disclosure relates to a circuit of cyclic activation of an electronic function comprising a hysteresis comparator controlling the charge of a capacitive element powering the function.

公开(公告)号：US20210360388A1

公开(公告)日：2021-11-18

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：US20210328625A1

公开(公告)日：2021-10-21

申请号：US17229337

申请日：2021-04-13

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Alexandre Tramoni ,  Pierre Rizzo ,  Guillaume Jaunet

IPC: H04B5/00 ,  H04B5/02 ,  G06K7/10 ,  H04W52/02

Abstract: In accordance with an embodiment, a method includes: transmitting, by a first near-field communication (NFC) device, a field emission burst; comparing a characteristic property of a signal of the field emission burst to a detection threshold; determining a presence of a detection error based on the comparing; and adjusting the detection threshold based on a number of determined detection errors.