Patents by Inventor Christophe Roussel

Christophe Roussel 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: 20210135661
    Abstract: An H-bridge circuit includes a supply voltage node, a first pair of transistors and a second pair of transistors. First transistors in each pair have the current paths therethrough included in current flow lines between the supply node and, respectively, a first output node and a second output node. Second transistors in each pair have the current paths therethrough coupled to a third output node and a fourth output node, respectively. The first and third output nodes are mutually isolated from each other and the second and fourth output nodes are mutually isolated from each other. The H-bridge circuit is operable in a selected one of a first, second and third mode.
    Type: Application
    Filed: January 11, 2021
    Publication date: May 6, 2021
    Applicants: STMicroelectronics S.r.l., STMicroelectronics (Alps) SAS
    Inventors: Giovanni Luca TORRISI, Domenico aka Massimo PORTO, Christophe ROUSSEL
  • Patent number: 10924100
    Abstract: An H-bridge circuit includes a supply voltage node, a first pair of transistors and a second pair of transistors. First transistors in each pair have the current paths therethrough included in current flow lines between the supply node and, respectively, a first output node and a second output node. Second transistors in each pair have the current paths therethrough coupled to a third output node and a fourth output node, respectively. The first and third output nodes are mutually isolated from each other and the second and fourth output nodes are mutually isolated from each other. The H-bridge circuit is operable in a selected one of a first, second and third mode.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: February 16, 2021
    Assignees: STMicroelectronics S.r.l., STMicroelectronics (Alps) SAS
    Inventors: Giovanni Luca Torrisi, Domenico Porto, Christophe Roussel
  • Publication number: 20200336138
    Abstract: An H-bridge circuit includes a supply voltage node, a first pair of transistors and a second pair of transistors. First transistors in each pair have the current paths therethrough included in current flow lines between the supply node and, respectively, a first output node and a second output node. Second transistors in each pair have the current paths therethrough coupled to a third output node and a fourth output node, respectively. The first and third output nodes are mutually isolated from each other and the second and fourth output nodes are mutually isolated from each other. The H-bridge circuit is operable in a selected one of a first, second and third mode.
    Type: Application
    Filed: April 15, 2020
    Publication date: October 22, 2020
    Applicants: STMicroelectronics S.r.l., STMicroelectronics (Alps) SAS
    Inventors: Giovanni Luca TORRISI, Domenico aka Massimo PORTO, Christophe ROUSSEL
  • Patent number: 10114088
    Abstract: A method for the preparation of a sample comprising highly polarized nuclear spins is proposed, comprising at least the following steps: a) provision of molecules with 1,2-dione structural units and/or molecules with 2,5-diene-1,4-dione structural units in the solid state; b) generation of radicals from these molecules by photo induced electron transfer by a first electromagnetic irradiation in the visible or ultraviolet frequency range in the solid state; c) dynamic nuclear polarization in the presence of a magnetic field in the solid state by applying a second electromagnetic irradiation with a frequency adapted to transfer spin polarization from the electrons to the nuclear spins leading to a highly polarized state thereof. Furthermore uses of correspondingly prepared samples for NMR, MRS and MRI experiments are proposed.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: October 30, 2018
    Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
    Inventors: Tim Rolf Eichhorn, Christophe Roussel, Arnaud Comment
  • Publication number: 20160033590
    Abstract: A method for the preparation of a sample comprising highly polarized nuclear spins is proposed, comprising at least the following steps: a) provision of molecules with 1,2-dione structural units and/or molecules with 2,5-diene-1,4-dione structural units in the solid state; b) generation of radicals from these molecules by photo induced electron transfer by a first electromagnetic irradiation in the visible or ultraviolet frequency range in the solid state; c) dynamic nuclear polarization in the presence of a magnetic field in the solid state by applying a second electromagnetic irradiation with a frequency adapted to transfer spin polarization from the electrons to the nuclear spins leading to a highly polarized state thereof. Furthermore uses of correspondingly prepared samples for NMR, MRS and MRI experiments are proposed.
    Type: Application
    Filed: March 14, 2013
    Publication date: February 4, 2016
    Applicant: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
    Inventors: Tim Rolf EICHHORN, Christophe ROUSSEL, Arnaud COMMENT
  • Patent number: 8080784
    Abstract: A plate for matrix-assisted laser desorption ionization (MALDI) mass spectrometry comprising an electrically conductive substrate (1) covered with a light sensitive matrix (2), the matrix (2) comprising a light absorber, a charge carrier, a probe molecule and a photo-sensitizer (3) arranged to oxidize the probe molecule when irradiated with light (4).
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: December 20, 2011
    Assignee: Ecole Polytechnique Federale de Lausanne
    Inventors: Qiao Liang, Pengyuan Yang, Baohong Liu, Niels Lion, Christophe Roussel, Hubert Hugues Girault
  • Publication number: 20100248388
    Abstract: A plate for laser desorption ionization mass spectrometry comprising an electrically conductive substrate (1) covered with an array of spots of sintered nanoparticles (2) acting as a highly efficient sorbing phase, a very sensitive photo-reactive phase and an ionization device when covered by an organic matrix or by a hole conductor or electron donor instead of an organic matrix.
    Type: Application
    Filed: July 1, 2008
    Publication date: September 30, 2010
    Applicant: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE
    Inventors: Baohong Liu, Qiao Liang, Niels Lion, Jingjing Wan, Michel Prudent, Christophe Roussel, Pengyuan Yang, Hubert Hugues Girault
  • Publication number: 20100090105
    Abstract: A plate for matrix-assisted laser desorption ionization (MALDI) mass spectrometry comprising an electrically conductive substrate (1) covered with a light sensitive matrix (2), the matrix (2) comprising a light absorber, a charge carrier, a probe molecule and a photo-sensitizer (3) arranged to oxidise the probe molecule when irradiated with light (4).
    Type: Application
    Filed: January 10, 2008
    Publication date: April 15, 2010
    Applicant: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE
    Inventors: Qiao Liang, Pengyuan Yang, Baohong Liu, Niels Lion, Christophe Roussel, Hubert Hugues Girault