Patents by Inventor Ephraim Goldenberg

Ephraim Goldenberg 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: 20230251109
    Abstract: Actuators for rotating an optical-path-folding-element with two, first and second, degrees of freedom in an extended rotation range around two respective rotation axes, folded cameras including such actuators and dual-cameras including a folded camera as above together with an upright camera.
    Type: Application
    Filed: April 13, 2023
    Publication date: August 10, 2023
    Inventors: Itay Yedid, Ephraim Goldenberg, Gil Bachar, Gal Barak, Yiftah Kowal
  • Publication number: 20230251554
    Abstract: Systems comprising a folded camera that includes a lens module with a native aperture, the lens module having a height HM, an adaptive aperture located between the native aperture and an optical path folding element, and an adaptive aperture forming mechanism for forming the adaptive aperture, wherein the adaptive aperture forming mechanism has a height HAA not larger than HM, and methods of using same. In various embodiments, the adaptive aperture forming mechanism includes an actuator and at least one pair of blades operative to be moved by the actuator to a plurality of positions to form the adaptive aperture.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 10, 2023
    Inventors: Noy Cohen, Ephraim Goldenberg, Michael Scherer
  • Patent number: 11716535
    Abstract: Dual-aperture digital cameras with auto-focus (AF) and related methods for obtaining a focused and, optionally optically stabilized color image of an object or scene. A dual-aperture camera includes a first sub-camera having a first optics bloc and a color image sensor for providing a color image, a second sub-camera having a second optics bloc and a clear image sensor for providing a luminance image, the first and second sub-cameras having substantially the same field of view, an AF mechanism coupled mechanically at least to the first optics bloc, and a camera controller coupled to the AF mechanism and to the two image sensors and configured to control the AF mechanism, to calculate a scaling difference and a sharpness difference between the color and luminance images, the scaling and sharpness differences being due to the AF mechanism, and to process the color and luminance images into a fused color image using the calculated differences.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: August 1, 2023
    Assignee: Corephotonics Ltd.
    Inventors: Gal Shabtay, Noy Cohen, Nadav Geva, Oded Gigushinski, Ephraim Goldenberg
  • Publication number: 20230232130
    Abstract: Indirect time-of-flight (i-ToF) image sensor pixels, i-ToF image sensors including such pixels, stereo cameras including such image sensors, and sensing methods to obtain i-ToF detection and phase detection information using such image sensors and stereo cameras. An i-ToF image sensor pixel may comprise a plurality of sub-pixels, each sub-pixel including a photodiode, a single microlens covering the plurality of sub-pixels and a read-out circuit for extracting i-ToF phase signals of each sub-pixel individually.
    Type: Application
    Filed: March 18, 2023
    Publication date: July 20, 2023
    Inventors: Nadav Geva, Michael Scherer, Ephraim Goldenberg, Gal Shabtay
  • Patent number: 11703668
    Abstract: Zoom digital cameras comprising a Wide sub-camera and a folded fixed Tele sub-camera. The folded Tele sub-camera may be auto-focused by moving either its lens or a reflecting element inserted in an optical path between its lens and a respective image sensor. The folded Tele sub-camera is configured to have a low profile to enable its integration within a portable electronic device.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: July 18, 2023
    Assignee: Corephotonics Ltd.
    Inventors: Gal Shabtay, Ephraim Goldenberg, Gal Avivi, Gil Bachar
  • Publication number: 20230221575
    Abstract: A dual-aperture zoom camera comprising a Wide camera with a respective Wide lens and a Tele camera with a respective Tele lens, the Wide and Tele cameras mounted directly on a single printed circuit board, wherein the Wide and Tele lenses have respective effective focal lengths EFLW and EFLT and respective total track lengths TTLW and TTLT and wherein TTLW/EFLW>1.1 and TTLT/EFLT<1.0. Optionally, the dual-aperture zoom camera may further comprise an optical OIS controller configured to provide a compensation lens movement according to a user-defined zoom factor (ZF) and a camera tilt (CT) through LMV=CT*EFLZF, where EFLZF is a zoom-factor dependent effective focal length.
    Type: Application
    Filed: March 8, 2023
    Publication date: July 13, 2023
    Inventors: Gal Shabtay, Ephraim Goldenberg
  • Patent number: 11693297
    Abstract: Folded cameras comprising a movable lens having a lens optical axis and positioned in an optical path between an optical path folding element (OPFE) and an image sensor, wherein the OPFE folds light from a first direction to a second direction, the second direction being substantially along the lens optical axis, and an actuator for controlled lens movement, the actuator including or being attached to a shield partially surrounding the lens, the shield having an opening positioned and dimensioned to enable installation of the lens into the shield from an insertion direction substantially parallel to the first direction. A folded camera disclosed herein may be included together with an upright camera in a dual-camera.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: July 4, 2023
    Assignee: Corephotonics Ltd.
    Inventors: Itay Jerby, Itay Yedid, Gal Avivi, Ephraim Goldenberg, Gil Bachar, Gal Shabtay
  • Patent number: 11695896
    Abstract: Methods for obtaining a shallow depth of field effect (DOF) and improved signal-to-noise (SNR) in an image through synthetically increase the camera aperture of a compact camera using at least one actuator included in such a camera for other known purposes, for example for providing optical image stabilization (OIS). The synthetically enlarged camera aperture enables to take a plurality of images at different aperture positions. The plurality of images is processed into an image with shallow DOF and improved SNR.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: July 4, 2023
    Assignee: Corephotonics Ltd.
    Inventors: Noy Cohen, Gal Shabtay, Ephraim Goldenberg, Gil Bachar
  • Publication number: 20230205059
    Abstract: Folded cameras and dual folded-upright cameras that reduce a mobile electronic device and specifically a smartphone bump footprint and height. In some examples, the bump footprint is reduced by reducing the height of a back focal plane section of the folded camera. In some examples, the bump footprint is reduced by reducing the height of a back focal plane section and a lens subsection of the folded camera.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Inventors: Gal Shabtay, Ephraim Goldenberg, Itay Yedid, Gil Bachar, Noy Cohen
  • Publication number: 20230204931
    Abstract: A zoom camera comprising an optical path folding element (OPFE) for folding the light from a first optical path to a second optical path, a first lens having a first optical axis and a first effective focal length EFLL1, the first optical axis being along the second optical path, a collimating lens having a second optical axis, and an image sensor located on the second optical path, wherein the collimating lens is movable between at least a first state and a second state, wherein in the first state the collimating lens is positioned in the second optical path between the OPFE and the first lens such that light entering the first lens arrives only from the image side of the collimating lens, and wherein in the second state the collimating lens is positioned outside the first optical path such that light entering the first lens does not arrive from the image side of the collimating lens.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Inventors: Gil Bachar, Gal Shabtay, Ephraim Goldenberg, Roy Rudnick, Michael Dror, Noy Cohen
  • Publication number: 20230205055
    Abstract: Cameras with OIS capable of performing multi zoom super macro photography and handheld electronic devices comprising such cameras. A camera may include a lens comprising N lens elements L1-LN divided into two or more lens groups arranged along a lens optical axis starting with L1 on an object side and ending with LN on an image side, adjacent lens groups separated by a respective air-gap d1 along the lens optical axis; an image sensor with a sensor diagonal SD between 7 and 20 mm separated from lens element LN by an air-gap d2 along the lens optical axis; and an actuator for controlling air-gaps d1 and d2 to switch the camera between M?1 operative pop-out states and a collapsed state and to focus the camera on an object at an object-lens distance of less than 30 cm.
    Type: Application
    Filed: August 9, 2021
    Publication date: June 29, 2023
    Inventors: Gal Shabtay, Ephraim Goldenberg, Itay Yedid, Roy Rudnick, Michael Dror, Michael Scherer, Ziv Shemesh, Nadav Goulinski
  • Patent number: 11686952
    Abstract: Actuators for actuating a lens in a folded camera, folded cameras including such actuators and dual-cameras including such folded cameras. The actuators actuate a lens having a lens optical axis for auto-focus (AF) and optical image stabilization (OIS) and comprise a stationary sub-assembly that includes an OIS coil having an OIS coil plane and an AF coil having an AF coil plane, and a lens actuating sub-assembly movable relative to the stationary sub-assembly with a lens holder holding the lens, wherein the OIS coil plane is perpendicular to the AF coil plane and wherein the lens optical axis lies between the OIS coil plane and the AF coil plane. Some actuators have a design using VCM actuation and a reduced height due to top and/or bottom openings in actuator envelopes.
    Type: Grant
    Filed: February 28, 2021
    Date of Patent: June 27, 2023
    Assignee: Corephotonics Ltd.
    Inventors: Gal Barak, Itay Yedid, Ephraim Goldenberg
  • Publication number: 20230194960
    Abstract: The present disclosure provides a camera module for use in a portable electronic device. The camera module comprises a shiftable lens barrel comprising an objective assembly holding coaxially one or more lens elements defining an optical axis. The camera module has a retractable cover window. The lens barrel has an operative state and a collapsed state and the cover window has a corresponding extended and retracted position. The camera further comprises an actuator including a driving motor; a pop-out assembly actuatable by the actuator. The pop-out assembly includes a driving cam configured to be driven rotationally by the actuator, a carrier configured to receive the lens barrel and an image sensor configured to image a field of view of the objective assembly when the lens barrel is in the operative state.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 22, 2023
    Inventors: Itay Yedid, Ephraim Goldenberg, Yiftah Kowal, Kobi Goldstein, Rami Boltanski, Itay Manor, Daniel Boltinsky, Oriel Grushka, Vinay Bhus
  • Publication number: 20230199314
    Abstract: Multi-cameras and in particular dual-cameras comprising a Wide camera comprising a Wide lens and a Wide image sensor, the Wide lens having a Wide effective focal length EFLw and a folded Tele camera comprising a Tele lens with a first optical axis, a Tele image sensor and an OPFE, wherein the Tele lens includes, from an object side to an image side, a first lens element group G1, a second lens element group G2 and a third lens element group G3, wherein at least two of the lens element groups are movable relative to the image sensor along the first optical axis to bring the Tele lens to two zoom states, wherein an effective focal length (EFL) of the Tele lens is changed from EFLT,min in one zoom state to EFLT,max in the other zoom state, wherein EFLTmin > 1.5 x EFLw and wherein EFLTmax > 1.5 x EFLTmin.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 22, 2023
    Inventors: Gal Shabtay, Ephraim Goldenberg, Roy Rudnick, Michael Dror, Gil Bachar, Emil Bronstein, Itay Yedid
  • Patent number: 11675155
    Abstract: Spacers for separating a first lens element from a second lens element, lens modules including such spacers and digital cameras including such lens modules. A spacer may comprising along its perimeter at least one contact section being in contact with the first lens element and the second lens element and at least one non-contact section being separated from the first lens element. The at least one non-contact section comprises an internal inclined surface having designed to reduce or mitigate stray light.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: June 13, 2023
    Assignee: Corephotonics Ltd.
    Inventors: Itay Yedid, Ephraim Goldenberg
  • Patent number: 11668894
    Abstract: Digital cameras, optical lens modules for such digital cameras and methods for assembling lens elements in such lens modules. In various embodiments, the digital cameras comprise an optical lens module including N?3 lens elements Li, each lens element comprising a respective front surface S2i?1 and a respective rear surface S2i. In various embodiments the first lens element toward the object side, L1 and its respective front surfaces S1 have optical and/or mechanical properties, such as a clear aperture, a clear height and a mechanical height that are larger than respective properties of following lens elements and surfaces. This is done to achieve a camera with large aperture stop, given a lens and/or camera height.
    Type: Grant
    Filed: February 5, 2022
    Date of Patent: June 6, 2023
    Assignee: Corephotonics Ltd.
    Inventors: Gal Shabtay, Ephraim Goldenberg, Michael Dror, Itay Yedid, Gil Bachar
  • Patent number: 11668910
    Abstract: Lens assemblies comprising from an object side to an image side, seven lens elements numbered L1-L7; an optical window; and an image sensor having a sensor diagonal length (SDL), wherein an exemplary lens assembly has a total track length TTL that includes the optical window an effective focal length EFL and a field of view (FOV), wherein TTL/EFL<1.100, wherein TTL/SDL<0.64, wherein FOV<90 degrees, wherein a normalized thickness standard deviation constant T_STD of at least four of the seven lens elements complies with T_STD<0.035, and wherein a focal length f1 of lens element L1 fulfills f1/EFL<0.95.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: June 6, 2023
    Assignee: Corephotonics Ltd.
    Inventors: Roy Rudnick, Michael Dror, Ephraim Goldenberg
  • Publication number: 20230171368
    Abstract: Methods for obtaining a shallow depth of field effect (DOF) and improved signal-to-noise (SNR) in an image through synthetically increase the camera aperture of a compact camera using at least one actuator included in such a camera for other known purposes, for example for providing optical image stabilization (OIS). The synthetically enlarged camera aperture enables to take a plurality of images at different aperture positions. The plurality of images is processed into an image with shallow DOF and improved SNR.
    Type: Application
    Filed: February 2, 2021
    Publication date: June 1, 2023
    Inventors: Noy Cohen, Gal Shabtay, Ephraim Goldenberg, Gil Bachar
  • Patent number: 11656538
    Abstract: Systems comprising a folded camera that includes a lens module with a native aperture, the lens module having a height HM, an adaptive aperture located between the native aperture and an optical path folding element, and an adaptive aperture forming mechanism for forming the adaptive aperture, wherein the adaptive aperture forming mechanism has a height HAA not larger than HM, and methods of using same. In various embodiments, the adaptive aperture forming mechanism includes an actuator and at least one pair of blades operative to be moved by the actuator to a plurality of positions to form the adaptive aperture.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: May 23, 2023
    Assignee: Corephotonics Ltd.
    Inventors: Noy Cohen, Ephraim Goldenberg, Michael Scherer
  • Patent number: 11650080
    Abstract: Actuators for rotating an optical-path-folding-element with two, first and second, degrees of freedom in an extended rotation range around two respective rotation axes, folded cameras including such actuators and dual-cameras including a folded camera as above together with an upright camera.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: May 16, 2023
    Assignee: Corephotonics Ltd.
    Inventors: Itay Yedid, Ephraim Goldenberg, Gil Bachar, Gal Barak, Yiftah Kowal