Patents by Inventor Constantin PRAT
Constantin PRAT 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).
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Patent number: 11937347Abstract: A method for adapting a digital lighting setpoint intended to be projected by a digital lighting unit for a motor vehicle including a matrix light source and an optical system. The method includes a step of applying a digital filtering to the digital setpoint. The filter used is capable of taking into account the interferences of light intensities between the elementary light sources of the matrix light source.Type: GrantFiled: September 30, 2020Date of Patent: March 19, 2024Assignee: VALEO VISIONInventors: Ali Kanj, Constantin Prat
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Publication number: 20230401985Abstract: A lighting system for a motor vehicle includes at least one lighting module capable of projecting lighting functions from image data, a control unit connected to the at least one lighting module by a data transmission channel and configured to generate a control image intended for the lighting module as a function of the optical features of the lighting module and of a setpoint datum. The lighting system also includes compression and decompression units to compress and decompress the image data while the data image travels between the control unit and the at least one lighting module.Type: ApplicationFiled: October 28, 2021Publication date: December 14, 2023Applicant: VALEO VISIONInventors: Hafid EL IDRISSI, Yasser ALMEHIO, Constantin PRAT, Cedric MERLIN
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Publication number: 20230311743Abstract: A method for adapting a setpoint for a digital lighting unit, which is intended to be projected by a digital lighting unit of a motor vehicle, which includes a matrix light source and an optical system. The method includes a step of applying digital filtering to the digital setpoint. The filter used is capable of anticipating geometric aberrations induced by said optical system when projecting a digital setpoint.Type: ApplicationFiled: September 30, 2020Publication date: October 5, 2023Applicant: VALEO VISIONInventors: Ali KANJ, Constantin PRAT, Yasser ALMEHIO, Hafid EL IDRISSI
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Publication number: 20230278484Abstract: A method for controlling a lighting device of a motor vehicle including at least one lighting module having a plurality of light sources, each of the light sources being designed to emit a luminous pixel, and a controller able to selectively control each of the light sources by applying thereto an electrical signal having a parameter of a value determined for the emission of a luminous pixel of given brightness.Type: ApplicationFiled: September 30, 2020Publication date: September 7, 2023Applicant: VALEO VISIONInventors: Ali KANJ, Constantin PRAT
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Publication number: 20230269842Abstract: A method for adapting a digital lighting setpoint intended to be projected by a digital lighting unit for a motor vehicle including a matrix light source and an optical system. The method includes a step of applying a digital filtering to the digital setpoint. The filter used is capable of taking into account the interferences of light intensities between the elementary light sources of the matrix light source.Type: ApplicationFiled: September 30, 2020Publication date: August 24, 2023Applicant: VALEO VISIONInventors: Ali KANJ, Constantin PRAT
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Publication number: 20230234496Abstract: The invention relates to a method for managing image data in a motor vehicle lighting system. The lighting system comprises at least one lighting module intended to project light beams generated on the basis of data relating to the selection of at least one image, each image being defined by a matrix containing a plurality of horizontal or vertical rows of pixels, wherein each pixel is characterized by a numerical value related to a light intensity of the pixel, said method determining whether the analyzed pixel is regarded as a significant inflection point of the image such that said analyzed pixel is transmitted to at least one lighting module so that same can project a resulting image. The invention also relates to a motor vehicle lighting system for carrying out the steps of a method of this kind.Type: ApplicationFiled: April 22, 2021Publication date: July 27, 2023Applicant: VALEO VISIONInventors: Yasser ALMEHIO, Hafid EL IDRISSI, Constantin PRAT
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Publication number: 20230202381Abstract: The invention provides a method for managing image data in a motor vehicle lighting system, the lighting system including at least one lighting module intended to project light beams, the light beams being generated from data relating to the selection of at least one image, each image being respectively defined by a matrix including a plurality of horizontal or vertical rows of pixels, with each pixel having a numerical value related to a light intensity of the pixel. The method includes determining whether the pixel under analysis is considered to be a significant point of inflection of the image, so as to transmit it to at least one lighting module, so that it is able to project a resulting image.Type: ApplicationFiled: April 22, 2021Publication date: June 29, 2023Applicant: VALEO VISIONInventors: Yasser ALMEHIO, Constantin PRAT
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Publication number: 20230188379Abstract: A method for managing image data in a vehicle lighting system, the lighting system including a lighting module and a multiplexed bus for transmitting compressed image data to the lighting module. The method includes receiving an instruction to trigger a lighting function, the lighting function being configured to be generated by the lighting module from compressed image data corresponding to lighting patterns having L rows, L being an integer. Determining the image data to be compressed from among the image data of the lighting patterns of the at least one lighting function by selecting the image data of X rows from the L rows of the lighting patterns, X being an integer smaller than L. Compressing the image data determined as having to be compressed. Transmitting the compressed image data to the lighting module via the multiplexed bus in order for the lighting function to be generated and projected.Type: ApplicationFiled: April 22, 2021Publication date: June 15, 2023Applicant: VALEO VISIONInventors: Yasser ALMEHIO, Constantin PRAT, Matthieu DREZET
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Publication number: 20230177731Abstract: The invention relates to a method for managing image data in an motor vehicle lighting system, the lighting system including at least one lighting module intended to project light beams generated on the basis of data relating to the selection of at least one image. The method including receiving an instruction to activate at least one image to be projected, converting the original image into N grey levels, determining, for each pixel in each row in the matrix, whether the pixel under analysis is a significant point of inflection, storing the pixel under analysis as a compressed pixel in a list when the pixel under analysis is considered to be a significant point of inflection, and transmitting the list to the at least one lighting module so that it is able to project a resulting image.Type: ApplicationFiled: April 22, 2021Publication date: June 8, 2023Applicant: VALEO VISIONInventors: Yasser ALMEHIO, Hafid EL IDRISSI, Constantin PRAT
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Publication number: 20230144346Abstract: The invention provides a method for managing image data in a motor vehicle lighting system, the lighting system including at least one lighting module intended to project light beams, the light beams being generated from data relating to the selection of at least one image, each image being respectively defined by a matrix including a plurality of horizontal or vertical rows of pixels, with each pixel having a numerical value related to a light intensity of the pixel. The method includes determining whether the pixel under analysis is considered to be a significant point of inflection of the image, so as to transmit it to at least one lighting module, so that it is able to project a resulting image.Type: ApplicationFiled: April 22, 2021Publication date: May 11, 2023Applicant: VALEO VISIONInventors: Yasser ALMEHIO, Hafid EL IDRISSI, Constantin PRAT
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Publication number: 20230141722Abstract: A method for managing image data in a vehicle lighting system that includes a lighting module and a multiplexed bus for transmitting compressed image data to the lighting module. The method includes receiving an instruction to trigger at least one lighting function to be generated by the at least one lighting module. Determining a required data rate level for transmitting the compressed image data over the multiplexed bus. Comparing the determined data rate level with a data rate threshold value of the multiplexed bus. Compressing the image data of the lighting function according to: the first frequency when the determined data rate level is lower than or equal to the data rate threshold value and according to a second frequency selected within the frequency range such that the second frequency is lower than the first frequency when the determined data rate level is greater than the data rate threshold value.Type: ApplicationFiled: April 22, 2021Publication date: May 11, 2023Applicant: VALEO VISIONInventors: Yasser ALMEHIO, Hafid EL IDRISSI, Constantin PRAT
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Publication number: 20230003357Abstract: A method for managing image data in an automotive lighting device includes the steps of providing an image pattern, dividing the image pattern in rows or columns of pixels, and calculating a first gradient value related to the relation between the numeric value of a first pixel and the numeric value of an adjacent pixel. Also included is checking, for each pixel, if the difference between the corresponding gradient value and the first gradient fulfills one of a first or second condition, defining linear segments, compressing the data of the linear segments and sending the compressed data to the light module. The invention also provides an automotive lighting device for performing the steps of such a method.Type: ApplicationFiled: December 8, 2020Publication date: January 5, 2023Applicant: VALEO VISIONInventors: Yasser ALMEHIO, Constantin PRAT
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Patent number: 11505112Abstract: The invention is related to a method for controlling a light pattern provided by an automotive lighting device of an automotive vehicle, wherein a dynamic portion of the light pattern is provided at least by a matrix arrangement of light sources. This method includes the steps of sensing a turn in a steering system of the automotive vehicle, dividing the dynamic portion in a first portion and a second portion, shifting the operation of the light sources associated to the first portion in the same direction as the sensed turn and create a third portion between the shifted first portion and the second portion. The invention also provides an automotive lighting device with control means to perform the steps of the method.Type: GrantFiled: November 28, 2019Date of Patent: November 22, 2022Assignee: VALEO VISIONInventors: Ali Kanj, Constantin Prat
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Patent number: 11472330Abstract: A method for correcting a light pattern provided by a first lighting device and a second lighting device. The first lighting device projects a first light pattern and the second lighting device projects a second light pattern. There is an overlapping zone between the first light pattern and the second light pattern. The method includes the steps of, for each lighting device, dividing the light sources in groups, each group being associated to a projection distance, calculating an overlapping region as a function of the projection distance, calculating a number of affected light sources for each group as a function of a representative dimension of the overlapping region and attenuate the intensity of the light emitted by the affected light sources in each group of each lighting device, following a monotonic attenuation pattern from 100% attenuation in the first affected light source to 0% in the last affected light source.Type: GrantFiled: December 16, 2019Date of Patent: October 18, 2022Assignee: VALEO VISIONInventors: Constantin Prat, Ali Kanj
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Publication number: 20220203883Abstract: The invention relates to a method for controlling a luminous device of a motor vehicle arranged to emit a pixelated light beam in a preset emission region. The method includes receiving an instruction to emit a desired pixelated luminous function for each of the luminous modules. The instruction for creating a digital image forming one segment of the desired pixelated luminous function in a frame corresponding to the preset emission region of the luminous module, the digital image being independent of the types of light sources and of optical device of the luminous module. The method further correcting said created digital image depending on the types of light sources and of optical device of the luminous module. The method additionally emitting, with the luminous module, into the preset emission region, a pixelated light beam corresponding to the corrected digital image.Type: ApplicationFiled: May 11, 2020Publication date: June 30, 2022Applicant: VALEO VISIONInventors: Constantin PRAT, Hafid EL IDRISSI, Ali KANJ
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Publication number: 20220063481Abstract: A method for correcting a light pattern provided by a first lighting device and a second lighting device. The first lighting device projects a first light pattern and the second lighting device projects a second light pattern. There is an overlapping zone between the first light pattern and the second light pattern. The method includes the steps of, for each lighting device, dividing the light sources in groups, each group being associated to a projection distance, calculating an overlapping region as a function of the projection distance, calculating a number of affected light sources for each group as a function of a representative dimension of the overlapping region and attenuate the intensity of the light emitted by the affected light sources in each group of each lighting device, following a monotonic attenuation pattern from 100% attenuation in the first affected light source to 0% in the last affected light source.Type: ApplicationFiled: December 16, 2019Publication date: March 3, 2022Applicant: VALEO VISIONInventors: Constantin PRAT, Ali KANJ
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Publication number: 20220055525Abstract: The invention is related to a method for controlling a light pattern provided by an automotive lighting device of an automotive vehicle, wherein a dynamic portion of the light pattern is provided at least by a matrix arrangement of light sources. This method includes the steps of sensing a turn in a steering system of the automotive vehicle, dividing the dynamic portion in a first portion and a second portion, shifting the operation of the light sources associated to the first portion in the same direction as the sensed turn and create a third portion between the shifted first portion and the second portion. The invention also provides an automotive lighting device with control means to perform the steps of the method.Type: ApplicationFiled: November 28, 2019Publication date: February 24, 2022Applicant: VALEO VISIONInventors: Ali KANJ, Constantin PRAT