Patents by Inventor Barak Freedman
Barak Freedman 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: 20240126090Abstract: Head mounted display systems configured to project light to an eye of a user to display augmented reality image content in a vision field of the user are disclosed. In embodiments, the system includes a frame configured to be supported on a head of the user, an image projector configured to project images into the user's eye, a camera coupled to the frame, a waveguide optically coupled to the camera, an optical coupling optical element me, an out-coupling element configured to direct light emitted from the waveguide to the camera, and a first light source configured to direct light to the user's eye through the waveguide. Electronics control the camera to capture images periodically and farther control the first light source to pulse in time with the camera such that light emitted by the light source has a reduced intensity when the camera is not capturing images.Type: ApplicationFiled: October 24, 2023Publication date: April 18, 2024Inventors: Asif Sinay, Barak Freedman, Michael Anthony Klug, Chulwoo Oh, Nizan Meitav
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Patent number: 11841481Abstract: A head mounted display system can include a camera, at least one waveguide, at least one coupling optical element that is configured such that light is coupled into said waveguide and guided therein, and at least one out-coupling element. The at least one out-coupling element can be configured to couple light that is guided within said waveguide out of said waveguide and direct said light to said camera. The camera can be disposed in an optical path with respect to said at least one out-coupling optical element to receive at least a portion of the light that is coupled into said waveguide via the coupling element and guided therein and that is coupled out from said waveguide by said out-coupling coupling element such that images may be captured by said camera.Type: GrantFiled: September 21, 2018Date of Patent: December 12, 2023Assignee: MAGIC LEAP, INC.Inventors: Asif Sinay, Barak Freedman, Michael Anthony Klug, Chulwoo Oh, Nizan Meitav
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Patent number: 11828946Abstract: A head mounted display system configured to project light to an eye of a user to display augmented reality images can include a frame configured to be supported on a head of the user, a camera disposed temporally on said frame, an eyepiece configured to direct light into said user's eye to display augmented reality image content to the user's vision field, a reflective element disposed on the frame, and at least one VCSEL disposed to illuminate said eye, wherein the camera is disposed with respect to the reflective element such that light from the VCSEL is reflected from the user's eye to the reflective element and is reflected from the reflective element to the camera to form images of the eye that are captured by the camera.Type: GrantFiled: September 1, 2022Date of Patent: November 28, 2023Assignee: Magic Leap, Inc.Inventors: Nizan Meitav, Barak Freedman, Ori Weinstein, Asaf Pellman, Chulwoo Oh, Frédéric Montfort
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Publication number: 20230341695Abstract: A head mounted display system can include a camera, at least one waveguide, at least one coupling optical element that is configured such that light is coupled into said waveguide and guided therein, and at least one out-coupling element. The at least one out-coupling element can be configured to couple light that is guided within said waveguide out of said waveguide and direct said light to said camera. The at least one coupling element may comprise a diffractive optical element having optical power.Type: ApplicationFiled: June 29, 2023Publication date: October 26, 2023Inventors: Asif SINAY, Nizan MEITAV, Chulwoo Oh, Barak FREEDMAN, Michael Anthony Klug, Adam C. CARLSON
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Patent number: 11762455Abstract: Augmented reality headgear includes transparent displays that allow a user to simultaneously view the real world and virtual content positioned in the real world and further includes at least one source of coherent light and at least one sensor array for sensing, at a series of times, speckle patterns produced when the coherent light impinges environment surfaces. Circuitry is provided for sensing shifts in the speckle pattern and determining motion which caused the shift of the speckle pattern and adjusting the display of virtual objects displayed by the augmented reality headgear to compensate for the motion.Type: GrantFiled: September 1, 2021Date of Patent: September 19, 2023Assignee: Magic Leap, Inc.Inventors: Asif Sinay, Barak Freedman
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Publication number: 20230288472Abstract: A substrate testing device includes a first testing component configured to couple to electrical pads of a substrate and perform electrical testing on one or more dies of the substrate during a test. The substrate testing device includes a second testing component configured to perform optical testing of the one or more dies during the test. The substrate testing device further includes a third testing component comprising a three-dimensional scanner configured to perform a dimensional scan of the one or more dies of the substrate, wherein the third testing component is to perform geometrical testing on the one or more dies during the test.Type: ApplicationFiled: August 24, 2022Publication date: September 14, 2023Inventors: Barak Freedman, Amir Silber
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Patent number: 11733523Abstract: A head mounted display system can include a camera, at least one waveguide, at least one coupling optical element that is configured such that light is coupled into said waveguide and guided therein, and at least one out-coupling element. The at least one out-coupling element can be configured to couple light that is guided within said waveguide out of said waveguide and direct said light to said camera. The at least one coupling element may comprise a diffractive optical element having optical power.Type: GrantFiled: September 25, 2019Date of Patent: August 22, 2023Assignee: Magic Leap, Inc.Inventors: Asif Sinay, Nizan Meitav, Chulwoo Oh, Barak Freedman, Michael Anthony Klug, Adam Charles Carlson
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Publication number: 20230195212Abstract: A method of performing localization of a handheld device with respect to a wearable device includes capturing, by a first imaging device mounted to the handheld device, a fiducial image containing a number of fiducials affixed to the wearable device and capturing, by a second imaging device mounted to the handheld device, a world image containing one or more features surrounding the handheld device. The method also includes obtaining, by a sensor mounted to the handheld device, handheld data indicative of movement of the handheld device, determining the number of fiducials contained in the fiducial image, and updating a position and an orientation of the handheld device using at least one of the fiducial image or the world image and the handheld data.Type: ApplicationFiled: February 22, 2023Publication date: June 22, 2023Applicant: Magic Leap, Inc.Inventors: Zachary C. Nienstedt, Samuel A. Miller, Barak Freedman, Lionel Ernest Edwin, Eric C. Browy, William Hudson Welch, Ron Liraz Lidji
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Patent number: 11625090Abstract: Techniques are disclosed for performing localization of a handheld device with respect to a wearable device. At least one sensor mounted to the handheld device, such as an inertial measurement unit (IMU), may obtain handheld data indicative of movement of the handheld device with respect to the world. An imaging device mounted to either the handheld device or the wearable device may capture a fiducial image containing a number of fiducials affixed to the other device. The number of fiducials contained in the image are determined. Based on the number of fiducials, at least one of a position and an orientation of the handheld device with respect to the wearable device are updated based on the image and the handheld data in accordance with a first operating state, a second operating state, or a third operating state.Type: GrantFiled: October 8, 2021Date of Patent: April 11, 2023Assignee: Magic Leap, Inc.Inventors: Zachary C. Nienstedt, Samuel A. Miller, Barak Freedman, Lionel Ernest Edwin, Eric C. Browy, William Hudson Welch, Ron Liraz Lidji
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Publication number: 20230063481Abstract: A wafer includes a semiconductor substrate, multiple photonics devices and a test coupler. The multiple photonics devices are fabricated on the substrate and have multiple respective ports. The test coupler is disposed on the wafer and is configured to couple an optical test signal between a tester and the multiple ports of the multiple photonics devices during testing of the photonics devices.Type: ApplicationFiled: September 1, 2021Publication date: March 2, 2023Inventors: Amir Silber, Barak Freedman, Nizan Meitav, Santiago Echeverri, Jochem Verbist, Allan Green-Petersen
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Publication number: 20220413302Abstract: A head mounted display system configured to project light to an eye of a user to display augmented reality images can include a frame configured to be supported on a head of the user, a camera disposed temporally on said frame, an eyepiece configured to direct light into said user's eye to display augmented reality image content to the user's vision field, a reflective element disposed on the frame, and at least one VCSEL disposed to illuminate said eye, wherein the camera is disposed with respect to the reflective element such that light from the VCSEL is reflected from the user's eye to the reflective element and is reflected from the reflective element to the camera to form images of the eye that are captured by the camera.Type: ApplicationFiled: September 1, 2022Publication date: December 29, 2022Inventors: Nizan MEITAV, Barak FREEDMAN, Ori WEINSTEIN, Asaf PELLMAN, Chulwoo Oh, Frédéric MONTFORT
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Patent number: 11474358Abstract: A head mounted display system configured to project light to an eye of a user to display augmented reality images can include a frame configured to be supported on a head of the user, a camera disposed temporally on said frame, an eyepiece configured to direct light into said user's eye to display augmented reality image content to the user's vision field, a reflective element disposed on the frame, and at least one VCSEL disposed to illuminate said eye, wherein the camera is disposed with respect to the reflective element such that light from the VCSEL is reflected from the user's eye to the reflective element and is reflected from the reflective element to the camera to form images of the eye that are captured by the camera.Type: GrantFiled: March 19, 2021Date of Patent: October 18, 2022Assignee: Magic Leap, Inc.Inventors: Nizan Meitav, Barak Freedman, Ori Weinstein, Asaf Pellman, Chulwoo Oh, Frédéric Montfort
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Publication number: 20220326513Abstract: A method for providing a composite field of view includes providing two or more input light beams to a scanning mirror and scanning the two or more input light beams using the scanning mirror to provide a plurality of reflected light beams at different angles. Each of the plurality of reflected light beams is configured to provide an image in a respective field of view. The method also includes receiving the plurality of reflected light beams in a waveguide and projecting a plurality of output light beams from the waveguide to form a projected image in the composite field of view. The composite field of view is larger than the respective field of view provided by each of the two or more input light beams.Type: ApplicationFiled: June 21, 2022Publication date: October 13, 2022Applicant: Magic Leap, Inc.Inventors: Ivan Li-Chuen Yeoh, Lionel Ernest Edwin, Barak Freedman, Vaibhav Mathur, Xiaoyang Zhang, Timothy Mark Dalrymple, Clinton Carlisle, Chulwoo Oh, Philip Premysler
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Patent number: 11435572Abstract: An image display system includes an optical subsystem configured to emit a first light beam and a second light beam, wherein the first light beam illuminates a first portion of a composite field of view and the second beam illuminates a second portion of the composite field of view. A scanning mirror is positioned to intercept and reflect the first light beam and the second light beam. The system also has a waveguide with at least one input coupling optical element for receiving the first light beam and the second light beam into the waveguide. The waveguide also has an output coupling optical element for projecting a plurality of output light beams derived from the first light beam and the second light beam from the waveguide to illuminate the composite field of view.Type: GrantFiled: October 27, 2017Date of Patent: September 6, 2022Assignee: Magic Leap, Inc.Inventors: Ivan Li-Chuen Yeoh, Lionel Ernest Edwin, Barak Freedman, Vaibhav Mathur, Xiaoyang Zhang, Timothy Mark Dalrymple, Clinton Carlisle, Chulwoo Oh, Philip Premysler
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Publication number: 20220276452Abstract: Various embodiments of silicon photonic (SiP) chips are provided that are configured for backside or frontside optical fiber coupling. An SiP chip includes a photonic integrated circuit formed on a first surface of a first substrate. The photonic integrated circuit includes at least one optical component and at least one coupling element. The at least one optical component is configured to propagate an optical signal therethrough in a waveguide propagation direction that is substantially parallel to a plane defined by the first surface. The at least one coupling element is configured to couple an optical signal propagating along an optical path transverse to the waveguide propagation direction into the at least one optical component to enable the backside or frontside coupling of an optical fiber to the SiP chip.Type: ApplicationFiled: February 3, 2022Publication date: September 1, 2022Inventors: Barak Freedman, Henning Lysdal, Amir Silber, Nizan Meitav
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Publication number: 20220113792Abstract: Techniques are disclosed for performing localization of a handheld device with respect to a wearable device. At least one sensor mounted to the handheld device, such as an inertial measurement unit (IMU), may obtain handheld data indicative of movement of the handheld device with respect to the world. An imaging device mounted to either the handheld device or the wearable device may capture a fiducial image containing a number of fiducials affixed to the other device. The number of fiducials contained in the image are determined. Based on the number of fiducials, at least one of a position and an orientation of the handheld device with respect to the wearable device are updated based on the image and the handheld data in accordance with a first operating state, a second operating state, or a third operating state.Type: ApplicationFiled: October 8, 2021Publication date: April 14, 2022Applicant: Magic Leap, Inc.Inventors: Zachary C. Neinstedt, Samuel A. Miller, Barak Freedman, Lionel Ernest Edwin, Eric C. Browy, William Hudson Welch, Ron Liraz Lidji
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Publication number: 20220057858Abstract: Augmented reality headgear includes transparent displays that allow a user to simultaneously view the real world and virtual content positioned in the real world and further includes at least one source of coherent light and at least one sensor array for sensing, at a series of times, speckle patterns produced when the coherent light impinges environment surfaces. Circuitry is provided for sensing shifts in the speckle pattern and determining motion which caused the shift of the speckle pattern and adjusting the display of virtual objects displayed by the augmented reality headgear to compensate for the motion.Type: ApplicationFiled: September 1, 2021Publication date: February 24, 2022Applicant: Magic Leap, Inc.Inventors: Asif Sinay, Barak Freedman
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Publication number: 20220035161Abstract: A head mounted display system can include a camera, at least one waveguide, at least one coupling optical element that is configured such that light is coupled into said waveguide and guided therein, and at least one out-coupling element. The at least one out-coupling element can be configured to couple light that is guided within said waveguide out of said waveguide and direct said light to said camera. The at least one coupling element may comprise a diffractive optical element having optical power.Type: ApplicationFiled: September 25, 2019Publication date: February 3, 2022Inventors: Asif Sinay, Nizan Meitav, Chulwoo Oh, Barak Freedman, Michael Anthony Klug, Adam Charles Carlson
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Patent number: 11237631Abstract: A method of tracking an eye gaze include obtaining a pre-calibrated speckle map of the eye of the user, determining a starting position of the eye using the pre-calibrated speckle map, and tracking movement of the eye relative to the starting position by: directing a light beam at the eye, detecting a plurality of speckle patterns formed at a detector by a portion of the light beam reflected by the eye, and tracking movement of the eye relative to the starting position by tracking the plurality of speckle patterns from frame to frame.Type: GrantFiled: February 4, 2021Date of Patent: February 1, 2022Assignee: Magic Leap, Inc.Inventors: Asif Sinay, Barak Freedman, Evyatar Bluzer
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Publication number: 20220011578Abstract: A head mounted display system can include a camera, at least one waveguide, at least one coupling optical element that is configured such that light is coupled into said waveguide and guided therein, and at least one out-coupling element. The at least one out-coupling element can be configured to couple light that is guided within said waveguide out of said waveguide and direct said light to said camera. The at least one coupling element may comprise a diffractive optical element having optical power. Additionally or alternatively, the at least one coupling optical element may have a coupling area for coupling light into said waveguide having an average thickness in a range from 0.1 to 3 millimeters across and/or may have a slit shaped coupling area.Type: ApplicationFiled: September 25, 2019Publication date: January 13, 2022Inventors: Asif Sinay, Nizan Meitav, Chulwoo Oh, Barak Freedman, Michael Anthony Klug, Adam C. Carlson