Patents by Inventor Jean-François BLAIN

Jean-François BLAIN 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: 11579310
    Abstract: A system of architecture, apparatus and calibration method is invented for high-power flexible-polarization payload for satellite communications. The system comprises onboard phase-tracked apparatus, flexible polarization mechanism, and in-orbit calibration method. The power combining and polarization performance of the phase-tracked payload is monitored on ground by measuring the cross-polarization discrimination (XPD) and/or axial ratio (AR). The high performance over the life is achieved by optimization of the XPD or AR on ground and adjusting complex gain of the transponders. The high-power flexible-polarization in-orbit-calibration payload may be applied but not limited to UHF, L, S, C, X, Ku and Ka-band high power satellite systems.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: February 14, 2023
    Assignee: MACDONALD, DETTWILER AND ASSOCIATES CORPORATION
    Inventors: Haiqing Wu, Jean-François Blain, Claude Gingras, Michel Tremblay
  • Publication number: 20220043160
    Abstract: A system of architecture, apparatus and calibration method is invented for high-power flexible-polarization payload for satellite communications. The system comprises onboard phase-tracked apparatus, flexible polarization mechanism, and in-orbit calibration method. The power combining and polarization performance of the phase-tracked payload is monitored on ground by measuring the cross-polarization discrimination (XPD) and/or axial ratio (AR). The high performance over the life is achieved by optimization of the XPD or AR on ground and adjusting complex gain of the transponders. The high-power flexible-polarization in-orbit-calibration payload may be applied but not limited to UHF, L, S, C, X, Ku and Ka-band high power satellite systems.
    Type: Application
    Filed: October 26, 2021
    Publication date: February 10, 2022
    Applicant: MacDonald, Dettwiler and Associates Corporation
    Inventors: Haiqing WU, Jean-François BLAIN, Claude GINGRAS, Michel TREMBLAY
  • Patent number: 11194054
    Abstract: A system of architecture, apparatus and calibration method is invented for high-power flexible-polarization payload for satellite communications. The system comprises onboard phase-tracked apparatus, flexible polarization mechanism, and in-orbit calibration method. The power combining and polarization performance of the phase-tracked payload is monitored on ground by measuring the cross-polarization discrimination (XPD) and/or axial ratio (AR). The high performance over the life is achieved by optimization of the XPD or AR on ground and adjusting complex gain of the transponders. The high-power flexible-polarization in-orbit-calibration payload may be applied but not limited to UHF, L, S, C, X, Ku and Ka-band high power satellite systems.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: December 7, 2021
    Assignee: MACDONALD, DETTWILER AND ASSOCIATES CORPORATION
    Inventors: Haiqing Wu, Jean-François Blain, Claude Gingras, Michel Tremblay
  • Publication number: 20200379123
    Abstract: A system of architecture, apparatus and calibration method is invented for high-power flexible-polarization payload for satellite communications. The system comprises onboard phase-tracked apparatus, flexible polarization mechanism, and in-orbit calibration method. The power combining and polarization performance of the phase-tracked payload is monitored on ground by measuring the cross-polarization discrimination (XPD) and/or axial ratio (AR). The high performance over the life is achieved by optimization of the XPD or AR on ground and adjusting complex gain of the transponders. The high-power flexible-polarization in-orbit-calibration payload may be applied but not limited to UHF, L, S, C, X, Ku and Ka-band high power satellite systems.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 3, 2020
    Applicant: MacDonald, Dettwiler and Associates Corporation
    Inventors: Haiqing WU, Jean-François BLAIN, Claude GINGRAS, Michel TREMBLAY
  • Publication number: 20140179678
    Abstract: The present invention provides targeted treatment to subjects suffering from Frontotemporal lobar degeneration through use of FTLD targeted agents, as described in the present invention. In particular, the FTLD targeted agents provided herein demonstrate high brain penetration, which decreases risk issues associated with peripheral administration. Furthermore, the FTLD targeted agents of the present invention, when administered to a subject selected for treatment based on the results of a FTLD diagnostic assay, offer targeted treatment of FTLD.
    Type: Application
    Filed: March 26, 2012
    Publication date: June 26, 2014
    Inventors: Holger Patzke, Gerhard Koenig, Jean-Francois Blain