Patents by Inventor Christophe Bernard

Christophe Bernard 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: 6020727
    Abstract: The present invention relates to a linear regulator of a voltage for supplying a load, including circuitry for setting to partial stand-by the regulator as a response to a control signal supplied by the load setting of a linear regulator to stand-by the regulator in response to a control signal supplied by the load.
    Type: Grant
    Filed: November 5, 1997
    Date of Patent: February 1, 2000
    Assignee: SGS-Thomson Microelectronics S.A.
    Inventors: Christophe Bernard, Regis Miquel
  • Patent number: 5993156
    Abstract: A turbine vane-system cooling system uses three internal cooling cavities 1, 12, 13) separated by two radial walls (9, 10). The upstream cavity (11) uses a helical ramp (30) and is fed through an intake (22) at the vane root (3). The middle cavity (12) also is fed at the vane root (3) and includes a compartmented, multi-perforated lining (40). The air is exhausted from each compartment through impact orifices and enters the succeeding compartment through slots (42) and then is finally exhausted through a vane-head orifice (21). The vane side walls opposite the downstream cavity (13) have double skins with bridging elements. The air passes through these double skins but circulates centrifugally in the upstream portion (15) of the downstream cavity (13) and enters this cavity's downstream portion (16) to be exhausted through slots (19) in the trailing edge (6). A third wall (14) divides the downstream cavity (13) into two parts (15, 16).
    Type: Grant
    Filed: June 25, 1998
    Date of Patent: November 30, 1999
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation SNECMA
    Inventors: Yves Maurice Bailly, Xavier Gerard Andre Coudray, Mischael Francois Louis Derrien, jean-Michel Roger Fougeres, Philippe Christian Pellier, Jean-Claude Christian Taillant, Thierry Henri Marcel Tassin, Christophe Bernard Texier
  • Patent number: 5923346
    Abstract: In an electrostatic ink jet printer, all nozzles of a printhead are spaced generally the same distance from a moving paper print substrate. Three voltage levels are selectively applied to each nozzle of the printhead. As the paper moves past the printhead, a bias voltage Vb is applied to all nozzles which have a static protruding meniscus which shape is determined by a balance between the internal pressure, surface tension, and bias voltage. When the paper arrives at a print row, nonprinting nozzles have a shadow voltage pulse Vs, the "shadow pulse," applied thereto, and printing nozzles have a higher magnitude print pulse Vp applied thereto. The magnitude of the shadow pulse Vs causes an additional excursion of the ink meniscus to form at each non-printing nozzle. The higher magnitude of print pulse Vp causes an ink filament to move from a printing nozzle to the paper.
    Type: Grant
    Filed: October 23, 1995
    Date of Patent: July 13, 1999
    Assignee: imaging Technology international
    Inventors: Ross Neal Mills, James Elwood Kerr, Jon-Christophe Bernard Febvre
  • Patent number: 5720085
    Abstract: An arrangement for fastening a wristlet onto a watch the middle-case of which is provided on its lateral sides with case-flanks to support lugs for the fastening of the wristlet and formed with holes for the axial engagement of the ends of the lugs and wherein at least one flank is movably mounted with respect to the case so that it may perform a movement for disengaging the lugs from their engagement holes and a pivoting movement into a position in which the ends of the lugs are remote enough from the flank formed with their engagement holes in order to permit the withdrawal of the ends of the wristlet from the lugs by a translational movement in the axial direction of the lugs.
    Type: Grant
    Filed: January 15, 1997
    Date of Patent: February 24, 1998
    Assignee: Jacques Benedict
    Inventor: Christophe Bernard