Patents by Inventor Grigory Lazarev
Grigory Lazarev 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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Publication number: 20220326654Abstract: A three-dimensional light modulator, of which the pixels are combined to form modulation elements. Each modulation element can be coded with a preset discrete value such that three-dimensionally arranged object points can be holographically reconstructed. The light modulator is characterized in that assigned to the pixels of the modulator are beam splitters or beam combiners which, for each modulation element, combine the light wave parts modulated by the pixels by means of refraction or diffraction on the output side to form a common light beam which exits the modulation element in a set propagation direction.Type: ApplicationFiled: June 20, 2022Publication date: October 13, 2022Inventors: Gerald FUTTERER, Norbert LEISTER, Ralf HAUSSLER, Grigory LAZAREV
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Patent number: 11366426Abstract: A three-dimensional light modulator, of which the pixels are combined to form modulation elements. Each modulation element can be coded with a preset discrete value such that three-dimensionally arranged object points can be holographically reconstructed. The light modulator is characterized in that assigned to the pixels of the modulator are beam splitters or beam combiners which, for each modulation element, combine the light wave parts modulated by the pixels by means of refraction or diffraction on the output side to form a common light beam which exits the modulation element in a set propagation direction.Type: GrantFiled: March 18, 2019Date of Patent: June 21, 2022Assignee: SEEREAL TECHNOLOGIES S.A.Inventors: Gerald Futterer, Norbert Leister, Ralf Haussler, Grigory Lazarev
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Publication number: 20220179360Abstract: An apparatus and method for the three-dimensional representation of scenes comprising an illumination device and a spatial light modulation device for modulating incident light. A hologram is encoded into the spatial light modulation device and the hologram is composed of individual sub-holograms, in which an object point of an object of the scene to be reconstructed by the hologram is encoded in each case. The spatial light modulation device is illuminated with substantially coherent light by the illumination device in at least one illumination section. An amplitude distribution and a phase distribution for representing the scene and amplitude values and phase values derived therefrom are determined for encoding the spatial light modulation device. The amplitude of the light incident on the spatial light modulation device in the respective illumination section is set based on at least one parameter at least determined from the amplitude values in this illumination section.Type: ApplicationFiled: March 23, 2020Publication date: June 9, 2022Inventors: Norbert LEISTER, Grigory LAZAREV
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Publication number: 20190278225Abstract: A three-dimensional light modulator, of which the pixels are combined to form modulation elements. Each modulation element can be coded with a preset discrete value such that three-dimensionally arranged object points can be holographically reconstructed. The light modulator is characterized in that assigned to the pixels of the modulator are beam splitters or beam combiners which, for each modulation element, combine the light wave parts modulated by the pixels by means of refraction or diffraction on the output side to form a common light beam which exits the modulation element in a set propagation direction.Type: ApplicationFiled: March 18, 2019Publication date: September 12, 2019Inventors: Gerald FUTTERER, Norbert LEISTER, Ralf HAUSSLER, Grigory LAZAREV
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Patent number: 10234821Abstract: A three-dimensional light modulator, of which the pixels are combined to form modulation elements. Each modulation element can be coded with a preset discrete value such that three-dimensionally arranged object points can be holographically reconstructed. The light modulator is characterized in that assigned to the pixels of the modulator are beam splitters or beam combiners which, for each modulation element, combine the light wave parts modulated by the pixels by means of refraction or diffraction on the output side to form a common light beam which exits the modulation element in a set propagation direction.Type: GrantFiled: June 18, 2010Date of Patent: March 19, 2019Assignee: SEEREAL TECHNOLOGIES S.A.Inventors: Gerald Futterer, Norbert Leister, Ralf Haussler, Grigory Lazarev
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Patent number: 8358454Abstract: Disclosed is a display for the holographic reconstruction of a three-dimensional scene using means which allow a reduction of speckle patterns. Speckle patterns result in the graining of a holographic reconstruction and worsen the quality thereof. The 3D scene is incoherently superimposed with itself chronologically or spatially in the eye of the observer. The modulated wave fronts of each reconstructed object point of the scene are shifted relative to themselves in the reconstruction beam path and superimposed in the eye of the observer. The shifting may occur one-dimensionally and two-dimensionally. Each object point is multiplied with itself in the eye of the observer in accordance with the number of the shifted wave fronts. The various speckle patterns over which the eye of the observer averages are also multiplied. Speckle patterns are reduced and the reconstruction quality is thus increased in holographic displays.Type: GrantFiled: September 15, 2008Date of Patent: January 22, 2013Assignee: SeeReal Technologies S.A.Inventors: Norbert Leister, Grigory Lazarev, Gerald Futterer
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Patent number: 8264756Abstract: An apparatus for recording holograms on an optical medium, in particular on an optically addressable spatial light modulation device is disclosed. For this purpose, the apparatus comprises an illumination device for emitting light, an optical medium, an image source having at least one modulation element, and an arrangement of microlenses. In this case, the arrangement of microlenses is arranged at a distance from the optical medium in such a way that the image focal points of the microlenses lie on the optical medium, such that the hologram can be generated on the optical medium.Type: GrantFiled: February 27, 2009Date of Patent: September 11, 2012Assignee: Seereal Technologies S.A.Inventors: Jean-Christophe Olaya, Grigory Lazarev
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Publication number: 20120092735Abstract: The present invention relates to a three-dimensional light modulator, of which the pixels are combined to form modulation elements. Each modulation element can be coded with a preset discrete value such that three-dimensionally arranged object points can be holographically reconstructed. The light modulator according to the invention is characterized in that assigned to the pixels of the modulator are beam splitters or beam combiners which, for each modulation element, combine the light wave parts modulated by the pixels by means of refraction or diffraction on the output side to form a common light beam which exits the modulation element in a set propagation direction.Type: ApplicationFiled: June 18, 2010Publication date: April 19, 2012Applicant: SeeReal Technologies S.A.Inventors: Gerald Futterer, Norbert Leister, Ralf Haussler, Grigory Lazarev
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Publication number: 20100194745Abstract: Disclosed is a display for the holographic reconstruction of a three-dimensional scene using means which allow a reduction of speckle patterns. Speckle patterns result in the graining of a holographic reconstruction and worsen the quality thereof. The 3D scene is incoherently superimposed with itself chronologically or spatially in the eye of the observer. The modulated wave fronts of each reconstructed object point of the scene are shifted relative to themselves in the reconstruction beam path and superimposed in the eye of the observer. The shifting may occur one-dimensionally and two-dimensionally. Each object point is multiplied with itself in the eye of the observer in accordance with the number of the shifted wave fronts. The various speckle patterns over which the eye of the observer averages are also multiplied. Speckle patterns are reduced and the reconstruction quality is thus increased in holographic displays.Type: ApplicationFiled: September 15, 2008Publication date: August 5, 2010Applicant: SeeReal Technologies S.A.Inventors: Norbert Leister, Grigory Lazarev, Gerald Futterer
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Publication number: 20090225381Abstract: The invention relates to an apparatus for recording holograms on an optical medium, in particular on an optically addressable spatial light modulation device. For this purpose, the apparatus comprises an illumination device for emitting light, an optical medium, an image source having at least one modulation element, and an arrangement of microlenses. In this case, the arrangement of microlenses is arranged at a distance from the optical medium in such a way that the image focal points of the microlenses lie on the optical medium, such that the hologram can be generated on the optical medium.Type: ApplicationFiled: February 27, 2009Publication date: September 10, 2009Applicant: SeeReal Technologies S.A.Inventors: Jean-Christophe Olaya, Grigory Lazarev
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Publication number: 20090219595Abstract: The invention relates to an apparatus for transmissively reading out holograms generated by writing light in an optical medium, in particular holograms generated in an optically addressable spatial light modulation device. For this purpose, the apparatus comprises an illumination device for emitting light and an optical system for directing the light from the illumination device onto the optical medium. In this case, the optical system is arranged in the beam path of the writing light.Type: ApplicationFiled: February 27, 2009Publication date: September 3, 2009Applicant: SeeReal Technologies S.A.Inventors: Jean-Christophe Olaya, Grigory Lazarev