Patents by Inventor Denis Bargues

Denis Bargues 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: 4423437
    Abstract: The optoelectronic device comprises an optical element for producing an image scan and an optical element for focusing on an array of detectors. The detected signals are processed by amplifying circuits and a thermal-drift correcting unit comprising an occultation device having two states. A correction loop of the unit includes a memory for storing the values of amplifying circuit signals in the first state of the occultation device, a first circuit for subtracting the stored values from the amplifying circuit outputs in order to compensate for thermal drift, a measuring circuit for obtaining the mean value of the amplified videofrequency signals, and a second circuit for subtracting the mean value from the signal of each detector.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: December 27, 1983
    Assignee: Thomson-CSF
    Inventors: Jean L. Beck, Jean F. Le Bars, Yves A. Emmanuelli, Denis Bargues
  • Patent number: 4393408
    Abstract: The optoelectronic rotary scanning device comprises optical receiving means, optical elements driven together in rotation by an afocal system consisting of at least two cylindrical optical elements designed to rotate about an axis perpendicular to the plane of their generator-lines, and an optical element for focusing on an array of detectors extending radially from the perpendicular axis. Videofrequency means are provided for processing the signals delivered by the detectors, the signals being multiplexed and stored sequentially in memory after transcription to cartesian coordinates. The videofrequency processing means also comprise a loop which subtracts the integrated mean value of the signals of all the detectors from each signal of each detector and a circuit for correcting thermal-drift residual voltages of the amplifying circuits of the detectors.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: July 12, 1983
    Assignee: Thomson-CSF
    Inventors: Jean L. Beck, Jean F. le Bars, Yves A. Emmanuelli, Denis Bargues
  • Patent number: 4287412
    Abstract: A photoelectric direction finder in which the modulating and spatial filtering functions produced by the reticles are separated from the deviation measurement function resulting from a four quadrant detection, provided with a view to permitting a passive or semi-active bimodal operation. The reticles are determined transparent for the radiation emmited by an auxiliary laser illuminator modulated according to a modulation different from that provided by the reticles in the passive mode, while the processing and deviation measurement circuits have additional laser signal demodulation circuits and automatic or priority mode selection and switching circuits.
    Type: Grant
    Filed: November 20, 1979
    Date of Patent: September 1, 1981
    Assignee: Thomson-CSF
    Inventors: Georges Couderc, Yves Cojan, Denis Bargues