Patents Assigned to AVEGANT CORP.
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Patent number: 11366519Abstract: A relative position based eye tracking system includes a light source to illuminate a portion of the eye and an optical sensor to capture a sequence of samples of the portion of the eye. The system further includes a sample comparator to compare two samples and a relative position calculator to calculate a change in the position of the eye based on data from the sample comparator.Type: GrantFiled: January 4, 2021Date of Patent: June 21, 2022Assignee: Avegant Corp.Inventors: Aaron Matthew Eash, Baker Ngan, D. Scott Dewald, Andrew John Gross, Edward Chia Ning Tang, Jindrich Semenec, Warren Cornelius Welch, III, William Tze-Tse Chien
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Publication number: 20220099978Abstract: A system comprising an illumination system to direct light from one or more light sources to a limiting output pupil of a projection optomechanical system, a liquid crystal on silicon display panel (LCOS) to modulate the light from the projection optomechanical system and to direct the modulated light back toward the projection optomechanical system, and an in-coupler to a combiner waveguide to receive the modulated light from the LCOS, after it passes through the projection optomechanical system. The system in one embodiment is designed so that the light that passes through the projection optomechanical system from the illumination system lands on the LCOS within the limiting output pupil of the projection optomechanical system.Type: ApplicationFiled: September 29, 2021Publication date: March 31, 2022Applicant: Avegant Corp.Inventors: Aaron Matthew Eash, Andrew John Gross, Christopher David Westra, Edward Chia Ning Tang, Warren Cornelius Welch, III, Michael Alexander Young
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Publication number: 20220099982Abstract: A display system comprising a steerable display having a monocular field of view of at least 1 degree, positioned within a scannable field of view of at least 20 degrees, the steerable display positioned for a user. In one embodiment, the steerable display is positioned for the user's fovea.Type: ApplicationFiled: October 4, 2021Publication date: March 31, 2022Applicant: Avegant Corp.Inventors: Aaron Matthew Eash, Andrew John Gross, Christopher David Westra, D. Scott Dewald, Edward Chia Ning Tang, Joseph Roger Battelle, Kevin William King, Warren Cornelius Welch, III, Eric Richard David Frasch, David A. Henderson, Qin Xu
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Patent number: 11259006Abstract: A method of providing correlated depth data in video data, the method comprising identifying depth information encoded within pixel information of a frame of video data, extracting the depth information, and utilizing the depth information for displaying the video data to a user.Type: GrantFiled: January 8, 2019Date of Patent: February 22, 2022Assignee: Avegant Corp.Inventors: Aaron Matthew Eash, Allan Thomas Evans, Andrew John Gross, D. Scott Dewald, Edward Chia Ning Tang, Forrest Foust, Joseph Roger Battelle, Kevin William King, Mark P. Palaima, Warren Cornelius Welch, III
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Publication number: 20220004003Abstract: An illumination waveguide is described having a top surface and a bottom surface, and a plurality of reflective elements within the waveguide, the reflective elements at an angle to the top surface of the waveguide, the reflective elements providing one or more of: an in-coupler, an out-coupler, and an extender to the waveguide. The illumination waveguide is configured such that light from the waveguide is directed to a spatial light modulator, and the modulated light is directed through the waveguide to a user.Type: ApplicationFiled: July 1, 2021Publication date: January 6, 2022Applicant: Avegant Corp.Inventors: Aaron Matthew Eash, Andrew John Gross, Christopher David Westra, Edward Chia Ning Tang, Warren Cornelius Welch, III, Joseph Daniel Lowney
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Patent number: 11181979Abstract: A system of eye tracking includes an infrared (IR) source to project IR light to an eye of a user, an IR holographic optical element (HOE) to change an angle of the IR light reflected from the eye of the user, and a sensor to receive the IR light. The system further includes a processor to use the IR light to determine a gaze vector of the user, in one embodiment.Type: GrantFiled: January 8, 2020Date of Patent: November 23, 2021Assignee: Avegant Corp.Inventors: Aaron Matthew Eash, Andrew John Gross, Christopher David Westra, Warren Cornelius Welch, III, Eric Richard David Frasch
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Patent number: 11169383Abstract: A display system comprising a steerable display having a monocular field of view of at least 1 degree, positioned within a scannable field of view of at least 20 degrees, the steerable display positioned for a user. In one embodiment, the steerable display is positioned for the user's fovea.Type: GrantFiled: December 6, 2019Date of Patent: November 9, 2021Assignee: Avegant Corp.Inventors: Aaron Matthew Eash, Andrew John Gross, Christopher David Westra, D. Scott Dewald, Edward Chia Ning Tang, Joseph Roger Battelle, Kevin William King, Warren Cornelius Welch, III, Eric Richard David Frasch, David A. Henderson, Qin Xu
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Patent number: 11163164Abstract: A display system comprising a foveal display having a monocular field of view of at least 1 degree is positioned within a scannable field of view of at least 20 degrees, the foveal display positioned for a user. In one embodiment, the foveal display is positioned for the user's fovea.Type: GrantFiled: December 23, 2019Date of Patent: November 2, 2021Assignee: Avegant Corp.Inventors: Aaron Matthew Eash, Andrew John Gross, Edward Chia Ning Tang, D. Scott Dewald, Joseph Roger Battelle, Kevin William King, Warren Cornelius Welch, III
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Patent number: 11126261Abstract: A system including a rendering engine to render a field texture for a field display and a foveal texture for a steerable foveal display and a compositor including a field compositor to generate frames for the field display from the field texture and a foveal compositor to generate frames for the foveal display from the foveal texture. The system further including a composition manager designed to sequence and select what is presented including one or more of data in the field display and the foveal display.Type: GrantFiled: January 6, 2020Date of Patent: September 21, 2021Assignee: Avegant Corp.Inventors: Aaron Matthew Eash, Andrew John Gross, Baker Ngan, Edward Chia Ning Tang, Joseph Roger Battelle, Warren Cornelius Welch, III
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Publication number: 20210200310Abstract: A relative position based eye tracking system includes a light source to illuminate a portion of the eye and an optical sensor to capture a sequence of samples of the portion of the eye. The system further includes a sample comparator to compare two samples and a relative position calculator to calculate a change in the position of the eye based on data from the sample comparator.Type: ApplicationFiled: January 4, 2021Publication date: July 1, 2021Applicant: Avegant Corp.Inventors: Aaron Matthew Eash, Baker Ngan, D. Scott Dewald, Andrew John Gross, Edward Chia Ning Tang, Jindrich Semenec, Warren Cornelius Welch, III, William Tze-Tse Chien
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Patent number: 11042048Abstract: A system to adjust light path length comprising a digital light path length modulator, the digital light path length modulator comprising a polarization modulator to receive polarized light and to modulate a polarization of some or all of the polarized light. The system further comprising an optical path length extender (OPLE) having an entry surface and an exit surface, to direct the light entering the OPLE with a first polarization through the entry surface and along a first light path through the OPLE to exit through the exit surface, and to direct the light entering the OPLE with a second polarization through the entry surface and along a second light path through the OPLE to exit through the exit surface, the second light path through the OPLE having a light path length two or more times longer than the first light path length through the OPLE.Type: GrantFiled: August 12, 2019Date of Patent: June 22, 2021Assignee: Avegant Corp.Inventors: Aaron Matthew Eash, Allan Thomas Evans, D. Scott Dewald, Andrew John Gross, Eamon Han O'Connor, Warren Cornelius Welch, III
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Patent number: 11025893Abstract: A near-eye display system comprising an image source, a modulation stack, and an imaging assembly. The modulation stack, in one embodiment, comprises one or more digital light path length modulators.Type: GrantFiled: January 21, 2019Date of Patent: June 1, 2021Assignee: Avegant Corp.Inventors: Aaron Matthew Eash, Allan Thomas Evans, Andrew John Gross, D. Scott Dewald, Eamon Han O'Connor, Forrest Foust, Warren Cornelius Welch, III
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Patent number: 11016307Abstract: A digital light path length modulator includes an optical path length extender (OPLE) and a polarization modulator. The OPLE has two light paths with different path lengths, such that the light having a first polarization is directed through a first light path, and the light having a second polarization is directed through a second light path.Type: GrantFiled: September 3, 2019Date of Patent: May 25, 2021Assignee: Avegant Corp.Inventors: Allan Thomas Evans, Andrew John Gross, D. Scott Dewald
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Patent number: 10944904Abstract: An image capture system comprising an optical path length extender (OPLE) to direct the light having a first polarization through a first light path through the OPLE, and to direct the light having a second polarization through a second light path through the OPLE, the first and second light paths having different light path lengths. The image capture system further comprising an image sensor to capture a plurality of image portions at a plurality of focal distances.Type: GrantFiled: August 20, 2018Date of Patent: March 9, 2021Assignee: Avegant Corp.Inventors: Allan Thomas Evans, D. Scott Dewald, Andrew John Gross
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Patent number: 10884492Abstract: A relative position based eye tracking system includes a light source to illuminate a portion of the eye and an optical sensor to capture a sequence of samples of the portion of the eye. The system further includes a sample comparator to compare two samples and a relative position calculator to calculate a change in the position of the eye based on data from the sample comparator.Type: GrantFiled: July 19, 2019Date of Patent: January 5, 2021Assignee: Avegant Corp.Inventors: Aaron Matthew Eash, Baker Ngan, D. Scott Dewald, Andrew John Gross, Edward Chia Ning Tang, Jindrich Semenec, Warren Cornelius Welch, III, William Tze-Tse Chien
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Patent number: 10866428Abstract: A system to adjust light path length utilizing a digital light path length modulator is described. The digital light path length modulator includes a polarization modulator to receive polarized light and to modulate a polarization of some or all of the polarized light, and an optical path length extender (OPLE) to direct the light entering the OPLE with a first polarization along a first light path through the OPLE, and to direct the light entering the OPLE with a second polarization along a second light path through the OPLE, the second light path through the OPLE having a light path length longer than the first light path length through the OPLE.Type: GrantFiled: January 21, 2019Date of Patent: December 15, 2020Assignee: Avegant Corp.Inventors: Aaron Matthew Eash, Allan Thomas Evans, Andrew John Gross, D. Scott Dewald, Warren Cornelius Welch, III
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Patent number: 10809546Abstract: A system to adjust light path length utilizing a digital light path length modulator. The digital light path length modulator includes an optical path length extender (OPLE) with a plurality of polarization sensitive reflective elements and a polarization modulator. The OPLE has two light paths having different path lengths, so a light having a first polarization is directed through a first light path, and the light having a second polarization is directed through a second light path.Type: GrantFiled: August 12, 2016Date of Patent: October 20, 2020Assignee: Avegant Corp.Inventors: Allan Thomas Evans, Andrew John Gross, D. Scott Dewald
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Patent number: 10516879Abstract: A near-eye display system comprising a image source, a modulation stack, and an imaging assembly. The modulation stack, in one embodiment, comprises one or more digital light path length modulators.Type: GrantFiled: December 13, 2016Date of Patent: December 24, 2019Assignee: AVEGANT CORP.Inventors: Aaron Matthew Eash, Allan Thomas Evans, Andrew John Gross, D. Scott Dewald, Eamon Han O'Connor, Forrest Foust, Warren Cornelius Welch, III
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Patent number: 10514546Abstract: A display system comprising a foveal display having a monocular field of view of at least 1 degree is positioned within a scannable field of view of at least 20 degrees, the foveal display positioned for a user. In one embodiment, the foveal display is positioned for the user's fovea.Type: GrantFiled: March 27, 2018Date of Patent: December 24, 2019Assignee: AVEGANT CORP.Inventors: Aaron Matthew Eash, Andrew John Gross, Edward Chia Ning Tang, D. Scott Dewald, Joseph Roger Battelle, Kevin William King, Warren Cornelius Welch, III
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Patent number: D866552Type: GrantFiled: January 4, 2017Date of Patent: November 12, 2019Assignee: Avegant Corp.Inventors: Michael Alexander Young, Corey David Higham, Samuel Benjamin Backes, Quinn Jerome Odette Fitzgerald