Patents by Inventor Evelyne Clavelier

Evelyne Clavelier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10224901
    Abstract: The invention relates to a method for radio communication using a plurality of antennas, and to an apparatus for radio communication using a plurality of antennas. An apparatus for radio communication of the invention comprises: 4 antennas; a radio device; an antenna tuning apparatus having 2 antenna ports and 2 radio ports; a switching unit comprising 4 input ports each coupled to one of the antennas through a feeder, and 2 output ports, the switching unit operating in an active configuration in which it provides a path between any one of the output ports and one of the input ports, the active configuration being determined by a configuration instruction generated by the radio device; and a tuning control unit, the tuning control unit receiving a tuning instruction generated by the radio device, the tuning control unit delivering a plurality of tuning control signals to the antenna tuning apparatus.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: March 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Patent number: 10187033
    Abstract: An apparatus for tuning a plurality of antennas is provided. The apparatus includes a plurality of antenna ports connected to the plurality of antennas; a plurality of user ports; first adjustable impedance elements, each being connected to one of the antenna ports and ground; second adjustable impedance elements, each being connected to one of the user ports and another one of the user ports; and a plurality of connecting elements, each being connected to one of the antenna ports and one of the user ports, wherein the first and second adjustable impedance elements are configured to be adjustable so to tune the plurality of antennas.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: January 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Frederic Broyde, Evelyne Clavelier
  • Patent number: 10116057
    Abstract: The invention relates to a method and an apparatus for automatic tuning of an impedance matrix, for instance the impedance matrix seen by the power amplifiers of a radio transmitter using a plurality of antennas simultaneously. The apparatus has 4 user ports and 4 target ports, and comprises: 4 sensing units; a signal processing unit which estimates real quantities depending on the impedance matrix presented by the user ports, using the sensing unit output signals obtained for 4 excitations applied to the user ports, two or more of the excitations being applied simultaneously, the signal processing unit delivering a tuning instruction; a multiple-input-port and multiple-output-port tuning unit comprising adjustable impedance devices; and a tuning control unit receiving the tuning instruction and delivering tuning control signals to the multiple-input-port and multiple-output-port tuning unit, the reactance of the adjustable impedance devices being mainly determined by the tuning control signals.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: October 30, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Patent number: 10044380
    Abstract: The invention relates to a method for automatically adjusting one or more tunable passive antennas and a single-input-port and single-output-port tuning unit. The invention also relates to an apparatus for radio communication using this method, for instance a radio transceiver. An apparatus for radio communication of the invention comprises: a tunable passive antenna; a feeder; a single-input-port and single-output-port tuning unit; a sensing unit; a transmission and signal processing unit which applies an excitation to the input port, which delivers one or more antenna adjustment instructions, and which delivers one or more tuning unit adjustment instructions; and a control unit which delivers one or more antenna control signals to the tunable passive antenna, and one or more tuning control signals to the single-input-port and single-output-port tuning unit.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: August 7, 2018
    Assignee: Tekcem
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Patent number: 10008777
    Abstract: The invention relates to a method for automatically adjusting one or more tunable passive antennas and a single-input-port and single-output-port tuning unit. The invention also relates to an apparatus for radio communication using this method, for instance a radio transceiver. An apparatus for radio communication of the invention comprises: a tunable passive antenna; a feeder; a single-input-port and single-output-port tuning unit having an input port and an output port; a sensing unit; a transmission and signal processing unit which applies an excitation to the input port, which delivers one or more antenna adjustment instructions, and which delivers one or more tuning unit adjustment instructions; and a control unit which delivers one or more antenna control signals to the tunable passive antenna, and one or more tuning control signals to the single-input-port and single-output-port tuning unit.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: June 26, 2018
    Assignee: Tekcem
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Patent number: 9991911
    Abstract: The invention relates to a method for automatically adjusting one or more tunable passive antennas and a single-input-port and single-output-port tuning unit. The invention also relates to an apparatus for radio communication using this method, for instance a radio transceiver. An apparatus for radio communication of the invention comprises: a tunable passive antenna; a feeder; a single-input-port and single-output-port tuning unit; a sensing unit; a transmission and signal processing unit which applies an excitation to the input port, which delivers one or more antenna adjustment instructions, and which delivers one or more tuning unit adjustment instructions; and a control unit which delivers one or more antenna control signals to the tunable passive antenna, and one or more tuning control signals to the single-input-port and single-output-port tuning unit.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: June 5, 2018
    Assignee: Tekcem
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Patent number: 9966930
    Abstract: The invention relates to a method for automatically adjusting a multiple-input-port and multiple-output-port tuning unit, for instance a multiple-input-port and multiple-output-port tuning unit coupled to the antennas of a radio transceiver using a plurality of antennas simultaneously. An automatic tuning system using this method has 4 user ports and 4 target ports, and comprises: 4 sensing units; a signal processing unit, the signal processing unit estimating real quantities depending on an impedance matrix seen by the target ports, using sensing unit output signals, the signal processing unit delivering a tuning instruction; a multiple-input-port and multiple-output-port tuning unit comprising adjustable impedance devices; and a tuning control unit receiving the tuning instruction and delivering tuning control signals to the multiple-input-port and multiple-output-port tuning unit, the reactance of each of the adjustable impedance devices being mainly determined by one or more of the tuning control signals.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: May 8, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Patent number: 9966924
    Abstract: The invention relates to a method of automatic adjustment of a single-input-port and single-output-port tunable matching circuit, for instance a single-input-port and single-output-port tunable matching circuit coupled to an antenna of a radio transceiver. The invention also relates to an automatic tuning system using this method. The reactance of each adjustable impedance device of the tunable matching circuit is determined by at least one tuning control signal. In addition to the begin symbol and the end symbol, a flowchart of a tuning sequence comprises: a process generating initial values of the tuning control signals, which uses an open-loop control scheme using one or more real quantities depending on an impedance seen by the target port; and a process generating subsequent values of the tuning control signals, which uses a closed-loop control scheme and an extremum-seeking control algorithm.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: May 8, 2018
    Assignee: TEKCEM
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Patent number: 9960491
    Abstract: The invention relates to a method for automatically adjusting one or more tunable passive antennas and a single-input-port and single-output-port tuning unit. The invention also relates to an apparatus for radio communication using this method, for instance a radio transceiver. An apparatus for radio communication of the invention comprises: a tunable passive antenna; a feeder; a single-input-port and single-output-port tuning unit having an input port and an output port; a sensing unit; a transmission and signal processing unit which applies an excitation to the input port, which delivers one or more antenna adjustment instructions, and which delivers one or more tuning unit adjustment instructions; and a control unit which delivers one or more antenna control signals to the tunable passive antenna, and one or more tuning control signals to the single-input-port and single-output-port tuning unit.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: May 1, 2018
    Assignee: Tekcem
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Patent number: 9935607
    Abstract: The invention relates to a method for automatic adjustment of a single-input-port and single-output-port tunable matching circuit, for instance a single-input-port and single-output-port tunable matching circuit coupled to an antenna of a radio transceiver. The invention also relates to an automatic tuning system using this method. The reactance of each adjustable impedance device of the tunable matching circuit is determined by at least one tuning control signal. In addition to the begin symbol and the end symbol, a flowchart of a tuning sequence comprises: a process generating initial values of the tuning control signals, which uses an open-loop control scheme using one or more quantities depending on the carrier frequency of the excitation; and a process generating subsequent values of the tuning control signals, which uses a closed-loop control scheme and an extremum-seeking control algorithm.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: April 3, 2018
    Assignee: TEKCEM
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Patent number: 9929460
    Abstract: The invention relates to a method for automatically adjusting a plurality of tunable passive antennas and a multiple-input-port and multiple-output-port tuning unit. The invention also relates to an apparatus for radio communication using this method. An apparatus for radio communication of the invention comprises: 4 tunable passive antennas; a multiple-input-port and multiple-output-port tuning unit having 4 input ports and 4 output ports; 4 sensing units; 4 feeders; a transmission and signal processing unit, which applies 4 excitations to the input ports, one and only one of the excitations being applied to each of the input ports, and which delivers one or more antenna adjustment instructions and one or more tuning unit adjustment instructions; and a control unit, which delivers one or more antenna control signals to the tunable passive antennas, and which delivers one or more tuning control signals to the multiple-input-port and multiple-output-port tuning unit.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: March 27, 2018
    Assignee: Tekcem
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Patent number: 9912075
    Abstract: The invention relates to a method for automatically adjusting a plurality of tunable passive antennas and a multiple-input-port and multiple-output-port tuning unit. The invention also relates to an apparatus for radio communication using this method. An apparatus for radio communication of the invention comprises: 4 tunable passive antennas; a multiple-input-port and multiple-output-port tuning unit having 4 input ports and 4 output ports; 4 sensing units; 4 feeders; a transmission and signal processing unit, which applies 4 excitations to the input ports, one and only one of the excitations being applied to each of the input ports, and which delivers one or more antenna adjustment instructions and one or more tuning unit adjustment instructions; and a control unit, which delivers one or more antenna control signals to the tunable passive antennas, and which delivers one or more tuning control signals to the multiple-input-port and multiple-output-port tuning unit.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: March 6, 2018
    Assignee: TEKCEM
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Publication number: 20180048279
    Abstract: The invention relates to a method of automatic adjustment of a single-input-port and single-output-port tunable matching circuit, for instance a single-input-port and single-output-port tunable matching circuit coupled to an antenna of a radio transceiver. The invention also relates to an automatic tuning system using this method. The reactance of each adjustable impedance device of the tunable matching circuit is determined by at least one tuning control signal. In addition to the begin symbol and the end symbol, a flowchart of a tuning sequence comprises: a process generating initial values of the tuning control signals, which uses an open-loop control scheme using one or more real quantities depending on an impedance seen by the target port; and a process generating subsequent values of the tuning control signals, which uses a closed-loop control scheme and an extremum-seeking control algorithm.
    Type: Application
    Filed: October 27, 2017
    Publication date: February 15, 2018
    Inventors: Frédéric BROYDE, Evelyne CLAVELIER
  • Publication number: 20180041184
    Abstract: The invention relates to a method for automatic adjustment of a single-input-port and single-output-port tunable matching circuit, for instance a single-input-port and single-output-port tunable matching circuit coupled to an antenna of a radio transceiver. The invention also relates to an automatic tuning system using this method. The reactance of each adjustable impedance device of the tunable matching circuit is determined by at least one tuning control signal. In addition to the begin symbol and the end symbol, a flowchart of a tuning sequence comprises: a process generating initial values of the tuning control signals, which uses an open-loop control scheme using one or more quantities depending on the carrier frequency of the excitation; and a process generating subsequent values of the tuning control signals, which uses a closed-loop control scheme and an extremum-seeking control algorithm.
    Type: Application
    Filed: October 20, 2017
    Publication date: February 8, 2018
    Inventors: Frédéric BROYDE, Evelyne CLAVELIER
  • Publication number: 20170214379
    Abstract: An apparatus for tuning a plurality of antennas is provided. The apparatus includes a plurality of antenna ports connected to the plurality of antennas; a plurality of user ports; first adjustable impedance elements, each being connected to one of the antenna ports and ground; second adjustable impedance elements, each being connected to one of the user ports and another one of the user ports; and a plurality of connecting elements, each being connected to one of the antenna ports and one of the user ports, wherein the first and second adjustable impedance elements are configured to be adjustable so to tune the plurality of antennas.
    Type: Application
    Filed: April 10, 2017
    Publication date: July 27, 2017
    Inventors: Frederic BROYDE, Evelyne CLAVELIER
  • Patent number: 9698484
    Abstract: The invention relates to a method for automatically adjusting a plurality of tunable passive antennas, for instance a plurality of tunable passive antennas of a radio transceiver using several antennas simultaneously. The invention also relates to an automatically tunable antenna array using this method. An automatically tunable antenna array of the invention has 4 user ports, and comprises: 4 tunable passive antennas, the 4 tunable passive antennas operating simultaneously in a given frequency band and forming a multiport antenna array; 4 sensing units; 4 feeders; a signal processing unit delivering a tuning instruction; and a tuning control unit, the tuning control unit receiving the tuning instruction from the signal processing unit, the tuning control unit delivering tuning control signals to the tunable passive antennas, the tuning control signals being determined as a function of the tuning instruction.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: July 4, 2017
    Assignee: Tekcem
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Publication number: 20170179601
    Abstract: The invention relates to a method for automatically adjusting a plurality of tunable passive antennas, for instance a plurality of tunable passive antennas of a radio transceiver using several antennas simultaneously. The invention also relates to an automatically tunable antenna array using this method. An automatically tunable antenna array of the invention has 4 user ports, and comprises: 4 tunable passive antennas, the 4 tunable passive antennas operating simultaneously in a given frequency band and forming a multiport antenna array; 4 sensing units; 4 feeders; a signal processing unit delivering a tuning instruction; and a tuning control unit, the tuning control unit receiving the tuning instruction from the signal processing unit, the tuning control unit delivering tuning control signals to the tunable passive antennas, the tuning control signals being determined as a function of the tuning instruction.
    Type: Application
    Filed: November 3, 2016
    Publication date: June 22, 2017
    Inventors: Frédéric BROYDE, Evelyne CLAVELIER
  • Patent number: 9680510
    Abstract: The invention relates to a method for radio communication using one or more tunable antennas and an antenna tuning apparatus, and to an apparatus for radio communication using one or more tunable antennas and an antenna tuning apparatus. An apparatus for radio communication of the invention comprises: 4 antennas, each of the antennas being a tunable passive antenna; a radio device; an antenna tuning apparatus having 4 antenna ports, each of the antenna ports being coupled to one of the antennas through a feeder, the antenna tuning apparatus having 4 radio ports, each of the radio ports being coupled to the radio device through an interconnection; and a tuning control unit, the tuning control unit receiving a tuning instruction generated automatically within the apparatus for radio communication, the tuning control unit delivering a plurality of tuning control signals to the antenna tuning apparatus and to the tunable passive antennas.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: June 13, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Patent number: 9654162
    Abstract: The invention relates to a method for radio communication using multiple antennas and localization variables, and to an apparatus for radio communication using multiple antennas and localization variables. An apparatus for radio communication of the invention comprises: 4 antennas, the 4 antennas forming an antenna array; a radio device; a sensor unit estimating a plurality of localization variables; an antenna tuning apparatus having 4 antenna ports, each of the antenna ports being coupled to one of the antennas through a feeder, the antenna tuning apparatus having 4 radio ports, each of the radio ports being coupled to the radio device through an interconnection; and a tuning control unit, the tuning control unit receiving a tuning instruction generated automatically within the apparatus for radio communication, the tuning control unit delivering a plurality of tuning control signals to the antenna tuning apparatus.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: May 16, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Frédéric Broyde, Evelyne Clavelier
  • Patent number: 9628135
    Abstract: The invention relates to a method for automatically adjusting a single-input-port and single-output-port tunable matching circuit, for instance a single-input-port and single-output-port tunable matching circuit coupled to an antenna of a radio transceiver. The invention also relates to an automatic tuning system using this method. An automatic tuning system comprises: one user port; one target port; a sensing unit; a single-input-port and single-output-port tunable matching circuit comprising one or more adjustable impedance devices; a signal processing unit which delivers a tuning instruction as a function of one or more temperature signals and as a function of two or more real quantities depending on an impedance seen by the target port; and a tuning control unit which delivers tuning control signals, the reactance of each adjustable impedance device of the tunable matching circuit being determined by at least one of the tuning control signals.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: April 18, 2017
    Assignee: TEKCEM
    Inventors: Frédéric Broyde, Evelyne Clavelier