Patents by Inventor Vincent PREVOST

Vincent PREVOST 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: 10128298
    Abstract: The invention relates to color-image sensors. To benefit both from a good luminance resolution and a color accuracy that is not excessively degraded by the sensitivity of silicon to near-infrared radiation, the invention proposes to produce a mosaic of pixels comprising colored pixels (R), (G), (B), coated with color filters, which are distributed in the matrix, with white pixels (T) not coated with color filters and which are distributed in the matrix. The colored pixels include photodiodes constructed differently from the photodiodes of the white pixels, the different construction being such that the photodiodes of the colored pixels have a lower sensitivity to infrared radiation than the photodiodes of the white pixels.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: November 13, 2018
    Assignee: TELEDYNE E2V SEMICONDUCTORS SAS
    Inventors: Pierre Fereyre, Frédéric Mayer, Pascal Douine, Thierry Ligozat, Vincent Prevost, Bruno Diasparra
  • Publication number: 20180006078
    Abstract: The invention relates to colour-image sensors. To benefit both from a good luminance resolution and a colour accuracy that is not excessively degraded by the sensitivity of silicon to near-infrared radiation, the invention proposes to produce a mosaic of pixels comprising coloured pixels (R), (G), (B), coated with colour filters, which are distributed in the matrix, with white pixels (T) not coated with colour filters and which are distributed in the matrix. The coloured pixels include photodiodes constructed differently from the photodiodes of the white pixels, the different construction being such that the photodiodes of the coloured pixels have a lower sensitivity to infrared radiation than the photodiodes of the white pixels.
    Type: Application
    Filed: December 16, 2015
    Publication date: January 4, 2018
    Inventors: Pierre FEREYRE, Frédéric MAYER, Pascal DOUINE, Thierry LIGOZAT, Vincent PREVOST, Bruno DIASPARRA
  • Patent number: 9699442
    Abstract: The invention relates to the production of images associating with each point of the image a depth, i.e. a distance between the observed point and the camera that produced the image. A light source emits N trains of light pulses. For each train of rank I=1 to N, charge is integrated in a short time slot of length Tint that starts with a temporal offset ti relative to the pulse, this temporal offset representing a journey time of the light pulse between the light source and the sensor after reflection from a point placed a distance di from the sensor. The temporal offset ti is the same for all the light pulses of the ith pulse train but the temporal offsets ti of the N trains are different from one another in order to correspond to various distances relative to the sensor. The charge photogenerated by the pulses of a given train is accumulated; then the accumulated charge is read in order to produce an image of rank i representing the pixels located at the distance di.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: July 4, 2017
    Assignee: E2V SEMICONDUCTORS
    Inventors: Pierre Fereyre, Bruno Diasparra, Vincent Prevost
  • Publication number: 20150319422
    Abstract: The invention relates to the production of images associating with each point of the image a depth, i.e. a distance between the observed point and the camera that produced the image. A light source emits N trains of light pulses. For each train of rank I=1 to N, charge is integrated in a short time slot of length Tint that starts with a temporal offset ti relative to the pulse, this temporal offset representing a journey time of the light pulse between the light source and the sensor after reflection from a point placed a distance di from the sensor. The temporal offset ti is the same for all the light pulses of the ith pulse train but the temporal offsets ti of the N trains are different from one another in order to correspond to various distances relative to the sensor. The charge photogenerated by the pulses of a given train is accumulated; then the accumulated charge is read in order to produce an image of rank i representing the pixels located at the distance di.
    Type: Application
    Filed: November 14, 2013
    Publication date: November 5, 2015
    Inventors: Pierre FEREYRE, Bruno DIASPARRA, Vincent PREVOST