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).

  • Publication number: 20250020876
    Abstract: 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: Application
    Filed: September 26, 2024
    Publication date: January 16, 2025
    Applicant: Mellanox Technologies, Ltd.
    Inventors: Barak FREEDMAN, Henning LYSDAL, Amir SILBER, Nizan MEITAV
  • Patent number: 12174238
    Abstract: 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: Grant
    Filed: September 1, 2021
    Date of Patent: December 24, 2024
    Assignee: MELLANOX TECHNOLOGIES, LTD.
    Inventors: Amir Silber, Barak Freedman, Nizan Meitav, Santiago Echeverri, Jochem Verbist, Allan Green-Petersen
  • Patent number: 12153209
    Abstract: 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: Grant
    Filed: June 21, 2022
    Date of Patent: November 26, 2024
    Assignee: 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
  • Publication number: 20240385400
    Abstract: Electronic devices, electronic modules, and methods for manufacturing electronic devices and/or electronic modules are described herein. Some embodiments of the present invention may be directed to an electronic module that includes a multi-chip module (MCM) substrate having a first surface configured to be connected to a system printed circuit board and a second surface defining a central portion and a peripheral portion. The electronic module may include a main die positioned on the central portion of the second surface of the MCM substrate and in electrical communication with electrical traces of the MCM substrate. The electronic module may include MCM sockets positioned on the peripheral portion of the MCM substrate, where each MCM socket is configured to engage and support a mezzanine package substrate such that a main portion of the mezzanine package substrate extends beyond the peripheral portion of the MCM substrate.
    Type: Application
    Filed: May 18, 2023
    Publication date: November 21, 2024
    Inventors: Amit Oren, Barak FREEDMAN, Casper DIETRICH
  • Patent number: 12135348
    Abstract: 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: Grant
    Filed: August 24, 2022
    Date of Patent: November 5, 2024
    Assignee: Mellanox Technologies, Ltd.
    Inventors: Barak Freedman, Amir Silber
  • Patent number: 12135461
    Abstract: 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: Grant
    Filed: February 3, 2022
    Date of Patent: November 5, 2024
    Assignee: Mellanox Technologies, Ltd.
    Inventors: Barak Freedman, Henning Lysdal, Amir Silber, Nizan Meitav
  • Publication number: 20240319508
    Abstract: 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 the waveguide(s) 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 the waveguide(s) out of the waveguide(s) and direct the light to the camera. The at least one coupling element may include 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 the waveguide(s), the coupling area having an average thickness in a range from 0.1 to 3 millimeters across and/or may have a pinhole sized and/or slit shaped coupling area.
    Type: Application
    Filed: June 4, 2024
    Publication date: September 26, 2024
    Inventors: Asif SINAY, Nizan MEITAV, Chulwoo OH, Barak FREEDMAN, Michael Anthony KLUG, Adam C. CARLSON
  • Publication number: 20240255769
    Abstract: A method for displaying an image using an eyepiece waveguide includes emitting light from a first laser and emitting light from a second laser. The method also includes receiving light from the first laser at a first polarization selective reflector, reflecting, using the first polarization selective reflector, light from the first laser at a first angle to a scanning mirror, and receiving light from the second laser at a second polarization selective reflector. The method further includes reflecting, using the second polarization selective reflector, light from the second laser at a second angle to the scanning mirror, receiving light reflected by the scanning mirror at an input coupling port of the eyepiece waveguide, and projecting the image from an output port of the eyepiece waveguide.
    Type: Application
    Filed: April 10, 2024
    Publication date: August 1, 2024
    Applicant: Magic Leap, Inc.
    Inventors: Barak Freedman, Asaf Pellman, Ori Weinstein
  • Publication number: 20240256029
    Abstract: An augmented reality (AR) system includes a wearable device comprising a display inside the wearable device and operable to display virtual content and an imaging device mounted to the wearable device. The AR system also includes a handheld device comprising handheld fiducials affixed to the handheld device and a computing apparatus configured to perform localization of the handheld device with respect to the wearable device.
    Type: Application
    Filed: April 10, 2024
    Publication date: August 1, 2024
    Applicant: Magic Leap, Inc.
    Inventors: Zachary C. Nienstedt, Samuel A. Miller, Barak Freedman, Lionel Ernest Edwin, Eric C. Browy, William Hudson Welch, Ron Liraz Lidji
  • Patent number: 12050318
    Abstract: 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: Grant
    Filed: September 25, 2019
    Date of Patent: July 30, 2024
    Assignee: Magic Leap, Inc.
    Inventors: Asif Sinay, Nizan Meitav, Chulwoo Oh, Barak Freedman, Michael Anthony Klug, Adam C. Carlson
  • Patent number: 11989339
    Abstract: 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: Grant
    Filed: February 22, 2023
    Date of Patent: May 21, 2024
    Assignee: Magic Leap, Inc.
    Inventors: Zachary C. Nienstedt, Samuel A. Miller, Barak Freedman, Lionel Ernest Edwin, Eric C. Browy, William Hudson Welch, Ron Liraz Lidji
  • Patent number: 11982818
    Abstract: Augmented reality glasses can include a first laser, a second laser, and a scanning mirror. The augmented reality glasses can also include a first polarization selective reflector and a second polarization selective reflector. The first polarization selective reflector is arranged to receive light from the first laser and reflect light received from the first laser at a first angle to the scanning mirror, and the second polarization selective reflector is arranged to receive light from the second laser and reflect light received from the second laser at a second angle to the scanning mirror. The augmented reality glasses can also have an eyepiece having an input coupling port arranged to receive light reflected by the scanning mirror.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: May 14, 2024
    Assignee: Magic Leap, Inc.
    Inventors: Barak Freedman, Asaf Pellman, Ori Weinstein
  • Publication number: 20240126090
    Abstract: 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: Application
    Filed: October 24, 2023
    Publication date: April 18, 2024
    Inventors: Asif Sinay, Barak Freedman, Michael Anthony Klug, Chulwoo Oh, Nizan Meitav
  • Patent number: 11841481
    Abstract: 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: Grant
    Filed: September 21, 2018
    Date of Patent: December 12, 2023
    Assignee: MAGIC LEAP, INC.
    Inventors: Asif Sinay, Barak Freedman, Michael Anthony Klug, Chulwoo Oh, Nizan Meitav
  • Patent number: 11828946
    Abstract: 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: Grant
    Filed: September 1, 2022
    Date of Patent: November 28, 2023
    Assignee: Magic Leap, Inc.
    Inventors: Nizan Meitav, Barak Freedman, Ori Weinstein, Asaf Pellman, Chulwoo Oh, Frédéric Montfort
  • Publication number: 20230341695
    Abstract: 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: Application
    Filed: June 29, 2023
    Publication date: October 26, 2023
    Inventors: Asif SINAY, Nizan MEITAV, Chulwoo Oh, Barak FREEDMAN, Michael Anthony Klug, Adam C. CARLSON
  • Patent number: 11762455
    Abstract: 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: Grant
    Filed: September 1, 2021
    Date of Patent: September 19, 2023
    Assignee: Magic Leap, Inc.
    Inventors: Asif Sinay, Barak Freedman
  • Publication number: 20230288472
    Abstract: 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: Application
    Filed: August 24, 2022
    Publication date: September 14, 2023
    Inventors: Barak Freedman, Amir Silber
  • Patent number: 11733523
    Abstract: 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: Grant
    Filed: September 25, 2019
    Date of Patent: August 22, 2023
    Assignee: Magic Leap, Inc.
    Inventors: Asif Sinay, Nizan Meitav, Chulwoo Oh, Barak Freedman, Michael Anthony Klug, Adam Charles Carlson
  • Publication number: 20230195212
    Abstract: 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: Application
    Filed: February 22, 2023
    Publication date: June 22, 2023
    Applicant: Magic Leap, Inc.
    Inventors: Zachary C. Nienstedt, Samuel A. Miller, Barak Freedman, Lionel Ernest Edwin, Eric C. Browy, William Hudson Welch, Ron Liraz Lidji