Patents by Inventor Gaël Pillonnet

Gaël Pillonnet 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).

  • Publication number: 20190207536
    Abstract: The invention concerns a circuit for recuperating electrical energy from a mechanical resonator (402) comprising: a voltage inversion circuit (408) configured to invert the voltage across a capacitance (Cp) of the mechanical resonator, the voltage inversion circuit comprising: a capacitor (Cint); and a charge transfer circuit configured: to discharge a voltage of a first polarity held by the capacitance of the mechanical resonator to said capacitor during a first period; and to charge a voltage, of opposite polarity to the first polarity, to the capacitance of the mechanical resonator during a second period using the voltage potential stored by said capacitor during the first period; wherein the charge transfer circuit comprises an inductance and at least one switch controllable to limit the current passing through the inductance.
    Type: Application
    Filed: December 21, 2018
    Publication date: July 4, 2019
    Inventors: Adrien MOREL, Gaël PILLONNET, Yohan WANDEROILD
  • Publication number: 20190198997
    Abstract: An autonomous electronic system includes two input terminals that are connected to an external electrical energy source, a converter circuit comprising at least one inductive element and connected to the terminals in order to receive energy from the source, a means for storing the energy delivered by the converter circuit, an electronic processing circuit performing a predefined function and delivering a data signal after performing the function, an emission circuit connected to an antenna in order to transmit the data signal to a remote receiver, and a control circuit able to control the circuits supplied with power by virtue of the energy source, the system being wherein the converter circuit and the antenna comprise at least one common inductive element and in that it comprises a link device situated between the emission circuit and the at least one common inductive element so as to transmit the signal emitted by the antenna formed at least partly by the at least one common inductive element.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 27, 2019
    Inventors: Yohan WANDEROILD, Armande CAPITAINE, Adrien MOREL, Gaël PILLONNET
  • Publication number: 20190043671
    Abstract: A system including first and second electric or electronic circuits galvanically isolated from each other, and a coupling device coupling the first circuit to the second circuit, the coupling device including a variable-capacitance capacitor including first and second electrodes mobile with respect to each other, separated by an insulating region, and third and fourth electrodes electrically insulated from the first and second electrodes, capable of receiving a control signal to vary, by an electrostatic, electromagnetic, or piezoelectric actuation mechanism, the relative position of the first and second electrodes, to vary the capacitance between the first and second electrodes.
    Type: Application
    Filed: August 2, 2018
    Publication date: February 7, 2019
    Applicant: Commissariat à l'Énergie Atomique et aux Énergies Alternatives
    Inventors: Ayrat Galisultanov, Hervé Fanet, Yann Perrin, Gaël Pillonnet
  • Publication number: 20190035559
    Abstract: A logic cell including a fixed assembly including a first electrode, a mobile assembly including a second electrode, and third, fourth, and fifth electrodes, wherein: the first, second, third, fourth, and fifth electrodes are insulated from one another; the first and second electrodes define a capacitor variable according to the position of the mobile assembly relative to the fixed assembly; the third electrode is connected to a node of application of a first logic input signal; the fourth electrode is connected to a node of application of a second logic input signal; the fifth electrode is connected to a reference node; and the position of the second electrode relative to the first electrode is a function of a combination of the first and second logic input signals.
    Type: Application
    Filed: July 24, 2018
    Publication date: January 31, 2019
    Applicant: Commissariat à l'Énergie Atomique etaux Énergies Alternatives
    Inventors: Gaël Pillonnet, Yann Perrin, Ayrat Galisultanov, Hervé Fanet
  • Publication number: 20190028041
    Abstract: A piezoelectric generator including: a piezoelectric element; a circuit for shorting and placing in open circuit the piezoelectric element; and an inductive converter.
    Type: Application
    Filed: July 17, 2018
    Publication date: January 24, 2019
    Inventors: Adrien BADEL, Pierre GASNIER, Romain GREZAUD, Adrien MOREL, Gaël PILLONNET
  • Publication number: 20180366272
    Abstract: A variable-capacitance capacitor having first and second electrodes mobile with respect to each other and third and fourth electrodes insulated from the first and second electrodes, capable of receiving a control signal to vary the relative position of the first and second electrodes in order to vary the capacitance between the first and second electrodes, the capacitor further including a system for controlling the position of the second electrode with respect to the first electrode, the system being arranged so that, for at least one relative position of the second electrode with respect to the first electrode, the position of the second electrode with respect to the first electrode is independent from the voltage between the first and second electrodes.
    Type: Application
    Filed: June 12, 2018
    Publication date: December 20, 2018
    Applicant: Commissariat à l'Énergie Atomique et aux Énergies Alternatives
    Inventors: Gaël Pillonnet, Philippe Basset, Hervé Fanet, Hatem Samaali
  • Patent number: 9979393
    Abstract: The invention relates to a logic cell for an integrated circuit including at least one first variable-capacitance capacitor having first and second main electrodes separated by an insulating region, and a third control electrode capable of receiving a control voltage referenced to a reference node of the cell to vary the capacitance between the first and second main electrodes, the third electrode being coupled to a node of application of a first logic input signal of the cell, and the first and second electrodes being respectively coupled to a node of application of a cell power supply voltage and to a node for supplying a logic output signal of the cell.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: May 22, 2018
    Assignee: Commissariat à l'Énergie Atomique et aux Énergies Alternatives
    Inventors: Hervé Fanet, Samer Houri, Gaël Pillonnet
  • Patent number: 9929642
    Abstract: A DC/DC converter including: a plurality of conversion cells connected in parallel and/or in series, each cell including at least one switch and at least one passive power storage element; and a diagnosis circuit capable of individually testing the cells to detect possible defective cells, of deactivating the defective cells, and of storing the location of the defective cells.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: March 27, 2018
    Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventor: Gaël Pillonnet
  • Patent number: 9774250
    Abstract: A DC/DC converter comprising a first charge pump circuit including first MOS transistors including first depletion MOS transistors, an oscillating circuit connected to the charge pump circuit only at the gates of some at least of the first MOS transistors, including the first depletion MOS transistors.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: September 26, 2017
    Assignee: COMMISARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Gaël Pillonnet, Thomas Martinez
  • Publication number: 20170179954
    Abstract: The invention relates to a logic cell for an integrated circuit including at least one first variable-capacitance capacitor having first and second main electrodes separated by an insulating region, and a third control electrode capable of receiving a control voltage referenced to a reference node of the cell to vary the capacitance between the first and second main electrodes, the third electrode being coupled to a node of application of a first logic input signal of the cell, and the first and second electrodes being respectively coupled to a node of application of a cell power supply voltage and to a node for supplying a logic output signal of the cell.
    Type: Application
    Filed: December 16, 2016
    Publication date: June 22, 2017
    Applicant: Commissariat à l'Énergie Atomique et aux Énergies Alternatives
    Inventors: Hervé Fanet, Samer Houri, Gaël Pillonnet
  • Publication number: 20160285362
    Abstract: A DC/DC converter including: a plurality of conversion cells connected in parallel and/or in series, each cell including at least one switch and at least one passive power storage element; and a diagnosis circuit capable of individually testing the cells to detect possible defective cells, of deactivating the defective cells, and of storing the location of the defective cells.
    Type: Application
    Filed: March 22, 2016
    Publication date: September 29, 2016
    Inventor: Gaël PILLONNET
  • Publication number: 20160164404
    Abstract: A DC/DC converter comprising a first charge pump circuit including first MOS transistors including first depletion MOS transistors, an oscillating circuit connected to the charge pump circuit only at the gates of some at least of the first MOS transistors, including the first depletion MOS transistors.
    Type: Application
    Filed: December 7, 2015
    Publication date: June 9, 2016
    Inventors: Gaël PILLONNET, Thomas MARTINEZ
  • Patent number: 8937507
    Abstract: There is described a self oscillating modulator circuit comprising at least two coupled self oscillating loop modules, that achieved a good efficiency and a good linearity.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: January 20, 2015
    Assignee: ST-Ericsson SA
    Inventors: Rémy Cellier, Gaël Pillonnet
  • Patent number: 8487704
    Abstract: A method generates a reference voltage by steps including: generating a reference signal from a voltage source; generating a comparison signal of the reference signal with a voltage reference; sampling the comparison signal; adjusting a numerical value as a function of the result of the comparison and of the numerical value; and converting the current numerical value into a voltage corresponding to the reference voltage.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: July 16, 2013
    Assignee: STMicroelectronics (Grenoble 2) SAS
    Inventors: Vincent Rabary, Frédéric Goutti, Robert Cittadini, Alexandre Huffenus, Gael Pillonnet
  • Publication number: 20130049856
    Abstract: There is described a self oscillating modulator circuit comprising at least two coupled self oscillating loop modules, that achieved a good efficiency and a good linearity.
    Type: Application
    Filed: May 19, 2011
    Publication date: February 28, 2013
    Applicant: ST-ERICSSON SA
    Inventors: Remy Cellier, Gael Pillonnet
  • Publication number: 20120126892
    Abstract: A method generates a reference voltage by steps including: generating a reference signal from a voltage source; generating a comparison signal of the reference signal with a voltage reference; sampling the comparison signal; adjusting a numerical value as a function of the result of the comparison and of the numerical value; and converting the current numerical value into a voltage corresponding to the reference voltage.
    Type: Application
    Filed: September 8, 2011
    Publication date: May 24, 2012
    Applicant: STMICROELECTRONICS (GRENOBLE 2) SAS
    Inventors: Vincent Rabary, Frédéric Goutti, Robert Cittadini, Alexandre Huffenus, Gael Pillonnet
  • Patent number: 8054130
    Abstract: A method and corresponding circuit that adjusts the gain of an audio output stage having a class D amplifier, this method including the steps of setting the gain to a nominal value, analyzing an output signal during successive clock periods, counting the number of clock periods during which the signal is in a state corresponding to a saturation, decreasing the gain if the number reaches, before the end of a first time interval, a value corresponding to a first percentage, maintaining the gain constant if, at the end of a second time interval, different from the first interval, the number corresponds to a second percentage being comprised between the first percentage and a third percentage, and increasing the gain if, at the end of the second time interval, the number corresponds to a fourth percentage, lower than the third percentage.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: November 8, 2011
    Assignee: STMicroelectronics (Grenoble 2) SAS
    Inventors: Vincent Rabary, Robert Cittadini, Alexandre Huffenus, Gaël Pillonnet
  • Patent number: 7961047
    Abstract: An amplifier having at least one switch controlled by an output voltage of a hysteresis block, wherein the hysteresis block is adapted to receive an input voltage signal based on an integration of an error signal, a low threshold voltage and a high threshold voltage, and is arranged to change the output voltage from a first value to a second value when the input voltage signal is higher than the high threshold voltage and to change the output voltage from the second value to the first value when the input voltage signal is lower than the low threshold voltage, and wherein the low threshold voltage is equal to Vref??VDD and the high threshold voltage is equal to Vref+?VDD, where Vref is a common mode voltage level, ? is a non-zero constant, and VDD is a power supply voltage.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: June 14, 2011
    Assignees: STMicroelectronics (Grenoble) SAS, STMicroelectronics SAS
    Inventors: Gaël Pillonnet, Remy Cellier
  • Publication number: 20100290646
    Abstract: An amplifier having at least one switch controlled by an output voltage of a hysteresis block, wherein the hysteresis block is adapted to receive an input voltage signal based on an integration of an error signal, a low threshold voltage and a high threshold voltage, and is arranged to change the output voltage from a first value to a second value when the input voltage signal is higher than the high threshold voltage and to change the output voltage from the second value to the first value when the input voltage signal is lower than the low threshold voltage, and wherein the low threshold voltage is equal to Vref??VDD and the high threshold voltage is equal to Vref+?VDD, where Vref is a common mode voltage level, ? is a non-zero constant, and VDD is a power supply voltage.
    Type: Application
    Filed: May 17, 2010
    Publication date: November 18, 2010
    Applicant: STMicroelectronics (Grenoble) SAS
    Inventors: Gaël Pillonnet, Remy Cellier
  • Publication number: 20100253429
    Abstract: A method and corresponding circuit that adjusts the gain of an audio output stage having a class D amplifier, this method including the steps of setting the gain to a nominal value, analyzing an output signal during successive clock periods, counting the number of clock periods during which the signal is in a state corresponding to a saturation, decreasing the gain if the number reaches, before the end of a first time interval, a value corresponding to a first percentage, maintaining the gain constant if, at the end of a second time interval, different from the first interval, the number corresponds to a second percentage being comprised between the first percentage and a third percentage, and increasing the gain if, at the end of the second time interval, the number corresponds to a fourth percentage, lower than the third percentage.
    Type: Application
    Filed: March 31, 2010
    Publication date: October 7, 2010
    Applicant: STMICROELECTRONICS (GRENOBLE 2) SAS
    Inventors: Vincent Rabary, Robert Cittadini, Alexandre Huffenus, Gaël Pillonnet