Patents by Inventor Francois Dupont

Francois Dupont 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: 20040251985
    Abstract: A multi-band inductive circuit in an integrated circuit, including at least two parallel branches respectively including a first inductance and a second inductance in series with a capacitor, the two inductances being coupled to each other.
    Type: Application
    Filed: April 1, 2004
    Publication date: December 16, 2004
    Inventors: Fabrice Guitton, Francois Dupont
  • Publication number: 20040169566
    Abstract: A mode-switching transformer selective on a band centered on a first frequency, comprising, between a same common mode input/output terminal and respectively one of two differential mode input/output terminals, a high-pass filter with a cut-off frequency smaller than said first frequency, a band-pass filter with a central frequency greater than said first frequency.
    Type: Application
    Filed: December 10, 2003
    Publication date: September 2, 2004
    Applicant: STMicroelectronics S.A.
    Inventors: Fabrice Guitton, Francois Dupont
  • Publication number: 20030224753
    Abstract: A high-frequency coupler for extracting a secondary signal representative of a main signal carried by a conductive line, comprising two series-associated, respectively high-pass and low-pass, filters, and the input of which is intended to be connected to said line while its output is intended to provide the secondary signal, the filters being sized so that the sum of their respective attenuations is substantially constant over the coupler passband, and so that their respective cut-off frequencies are in said passband.
    Type: Application
    Filed: May 23, 2003
    Publication date: December 4, 2003
    Inventors: Andre Bremond, Francois Dupont
  • Patent number: 5690796
    Abstract: It is suggested for depositing layers of mechanically resistant material, in particular on highly stressed tools, to coat the workpieces (7) alternatingly by means of reactive cathode sputtering (1, 13) and to after-treat them by means of a further plasma discharge (3).
    Type: Grant
    Filed: December 5, 1995
    Date of Patent: November 25, 1997
    Assignee: Balzers Aktiengesellschaft
    Inventors: Francois DuPont, Erich Bergmann
  • Patent number: 4437110
    Abstract: A convergence device for a color camera having a correction memory for storing predetermined scanning correction signal values associated with each of the LN rectangles resulting from dividing the screen of the camera into L groups of N lines each and M columns, a sequencer for controlling the application of these correction signals to the camera scanner and an attenuator for attenuating the discontinuities existing between scanning correction signals associated with two adjacent lines of the same column.
    Type: Grant
    Filed: January 20, 1982
    Date of Patent: March 13, 1984
    Assignee: Thomson-CSF
    Inventors: Roger Hunaut, Francois Dupont
  • Patent number: 3951737
    Abstract: A power generating plant equipped with gas-cooled nuclear reactor with closed gas circulation system leading through at least one compressor, the reactor, through a first and a second gas turbine and back to the compressor. One of the gas turbines is in driving connection with the compressor and the other of the gas turbines is in driving connection with an electric generator for the delivery of electrical energy. There is also provided a recuperative heat exchanger, the primary path of which is located between the outlet of the second gas turbine and the inlet of the compressor. The reactor is arranged in the gas circulation system between the two gas turbines and the secondary path of the recuperative heat exchanger is arranged directly between the outlet of the compressor and the inlet of the first gas turbine.
    Type: Grant
    Filed: September 24, 1973
    Date of Patent: April 20, 1976
    Assignee: Gesellschaft zur Forderung der Forschung an der Eidgenossischen Technischen Hochschule
    Inventors: Hans Frutschi, Gerassimos Sarlos, Jean-Francois Dupont, Dieter Haschke