Patents Examined by Derek S. Chapel
  • Multi-image display apparatus providing holographic image
    Patent number: 11467535
    Abstract: Provided is a multi-image display apparatus including a light source configured to emit light, a spatial light modulator configured to provide a first image by modulating the light emitted from the light source, and an optical system configured to transmit the first image provided by the spatial light modulator to a viewer, wherein the optical system is configured such that a travelling path of the first image provided by the spatial light modulator includes a first optical path in a first direction, a second optical path in a second direction orthogonal to the first direction, and a third optical path in a third direction orthogonal to the first direction and the second direction, respectively, and wherein the optical system is configured such that the first image and a second image provided from an optical path different from the travelling path of the first image are provided to the viewer.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: October 11, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., EPICOPTIX
    Inventors: Wontaek Seo, Youngil Kim, Byeongsoo Son, Changkun Lee, Gyewon Seo, Geeyoung Sung
  • Laminate and light diffusion control film
    Patent number: 11467323
    Abstract: A laminate used under an environment irradiated with external light includes a light diffusion control film having an internal structure in the film. The internal structure includes a plurality of regions having a relatively high refractive index in a region having a relatively low refractive index. The laminate further includes an ultraviolet absorbing layer located further on the external light incident side than the light diffusion control film. The light diffusion control film has an indentation elastic modulus of 30 MPa or more as measured at a maximum load of 2 mN by a nanoindentation method.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: October 11, 2022
    Assignee: LINTEC CORPORATION
    Inventors: Tatsuki Kuramoto, Kentaro Kusama, Baku Katagiri
  • Coded zoom knob, microscope having the same and method for retrofitting a coded zoom knob
    Patent number: 11460681
    Abstract: The present invention relates to a coded zoom knob (3) for detecting the rotation of the zoom drive shaft (4) of a zoom system (10) of a microscope (1), comprising a magnet (34) coupled to the zoom drive shaft (4), and a magnetic sensor (43) rotatably decoupled from the magnet (34) for sensing a rotation of the magnet (34).
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: October 4, 2022
    Assignee: LEICA INSTRUMENTS (SINGAPORE) PTE. LTD.
    Inventors: Chee-Keong Chew, Peng Liu, Andreas Bosch
  • Optical unit with shake correction function
    Patent number: 11460714
    Abstract: In an optical unit with a shake correction function, a rotation support structure, which supports a movable body rotatably around an optical axis, may be supported by a gimbal structure rotatably around a first axis and a second axis intersecting with the optical axis so that, even when the movable body is rotating around the first axis or the second axis, the rotation axis of the movable body by the rotation support structure coincides with the optical axis of the movable body.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: October 4, 2022
    Assignee: NIDEC SANKYO CORPORATION
    Inventor: Hiromitsu Takei
  • Waveguide structure
    Patent number: 11460694
    Abstract: An optical waveguide device for use in a head up display. The waveguide device provides pupil expansion in two dimensions. The waveguide device comprise a primary waveguide and a secondary waveguide, the secondary waveguide being positioned on a face of the primary waveguide. The secondary waveguide has a diffraction grating on a face opposite to the face which contacts the primary waveguide. The diffraction grating diffracts light into more than one diffraction order. Rays diffracted into a non-zero order are trapped in the secondary waveguide by total internal reflection.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: October 4, 2022
    Assignee: Snap Inc.
    Inventor: Ian Marshall
  • Microscopes with objective assembly crash detection and methods of utiliizing the same
    Patent number: 11454799
    Abstract: Microscopes with objective assembly crash detection and methods of utilizing the same are disclosed herein. For example, a microscope comprises a microscope body, an objective assembly comprising an objective lens, an objective assembly mount configured to separably attach the objective assembly to the microscope body, and an orientation detection circuit configured to indicate when a relative orientation between the microscope body and the objective assembly differs from a predetermined relative orientation.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: September 27, 2022
    Assignee: FormFactor, Inc.
    Inventors: Gerald Lee Gisler, Sia Choon Beng, Anthony James Lord, Gavin Neil Fisher
  • Holographic display systems with polarization correction and distortion reduction providing enhanced image quality
    Patent number: 11454813
    Abstract: A holographic display system is provided and includes a light source, a holographic projector, and a polarizer. The light source is configured to generate a first light beam. The holographic projector includes a spatial light modulator configured to adjust phases of respective portions of the first light beam to generate a phase hologram beam. The phase hologram beam comprises a first polarization and a second polarization. The polarizer is configured to filter out light having the first polarization from the phase hologram beam to provide at least a portion of a filtered phase hologram beam at a diffuser to generate a holographic image, wherein the filtered phase hologram beam includes light with the second polarization and does not include light with the first polarization.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: September 27, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Kai-Han Chang, Thomas A. Seder
  • Optical microscope and spectroscopic measurement method
    Patent number: 11442259
    Abstract: An optical microscope according to one aspect of the present disclosure includes: a light source; a first scanner to scan a spot position of a light beam on a sample; an objective lens to focus the light beam deflected by the first scanner and cause the light beam to be made incident on the sample; a spectroscope including a slit on an incident side which an outgoing light emitted from an area on the sample onto which the light beam has been illuminated enters; a detector configured to detect an outgoing light from the spectroscope; and a first relay optical system including a first off-axis parabolic mirror that is arranged in an optical path from the first scanner to the objective lens and reflects the light beam deflected by the first scanner and a second off-axis parabolic mirror that reflects the light beam reflected in the first off-axis parabolic mirror.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: September 13, 2022
    Assignee: NANOPHOTON CORPORATION
    Inventors: Minoru Kobayashi, Shogo Kawano, Taisuke Ota, Shunichiro Matsuzaka, Yusuke Shiozaki, Shota Yamauchi
  • Viewer for determination of authenticity
    Patent number: 11442211
    Abstract: An authenticity determination viewer including a first phase difference film, a linear polarizer, and a second phase difference film in this order, wherein a polarized light transmission axis of the linear polarizer and a slow axis of the first phase difference film are non-parallel to each other, and the polarized light transmission axis of the linear polarizer and a slow axis of the second phase difference film are non-parallel to each other.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: September 13, 2022
    Assignee: ZEON CORPORATION
    Inventor: Koya Kawabata
  • Medical observation device and medical observation system
    Patent number: 11432899
    Abstract: A medical observation device that includes a microscope that images a surgical site, a holding section that holds the microscope, a base section to which the holding section is connected, and an operation section that receives operating input, the operation section being provided at the base section, the holding section being configured as a balance arm provided with a counterweight, when the base section is viewed from an upper side of the medical observation device, the base section having a first area inside a movable range of the counterweight and a second area outside the movable range of the counterweight, the base end of the holding section being connected to the base section at a location in the first area, and the operation section being arranged at another location in the second area.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: September 6, 2022
    Assignees: SONY OLYMPUS MEDICAL SOLUTIONS INC., SONY CORPORATION
    Inventors: Kenji Hirose, Hisayoshi Otaki, Hiroki Sato, Shingo Mouri, Katsuhisa Hakoda, Daisuke Iseki
  • Metallized camera windows
    Patent number: 11435652
    Abstract: An optical assembly includes a window having an interior surface and an opposed exterior surface. A perimeter surface connects between the interior surface and the exterior surface. A metal layer is bonded to the perimeter surface of the window. An anti-reflective coating (ARC) is bonded to the interior surface of the window. A metallic lid is joined to the metal layer for enclosing a focal plane array (FPA) aligned with the window.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: September 6, 2022
    Assignee: Sensors Unlimited, Inc.
    Inventor: Thuc-Uyen Nguyen
  • Virtual image display device
    Patent number: 11435582
    Abstract: First and second diffractive reflective elements form an optical path that guides a display light from a display unit toward a projection portion. The first diffractive reflective element is placed on the optical path to reflect the display light toward the projection portion by causing diffraction such that an incident angle and an emission angle of the display light are different from each other. The second diffractive reflective element is placed between the display unit and the first diffractive reflective element on the optical path to reflect the display light from the display unit toward the first diffractive reflective element by causing diffraction such that an incident angle and an emission angle of the display light are different from each other.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: September 6, 2022
    Assignee: DENSO CORPORATION
    Inventors: Kazuhisa Onda, Hiroshi Ando
  • Optical assembly for scanning excitation radiation and/or manipulation radiation in a laser scanning microscope, and laser scanning microscope
    Patent number: 11422347
    Abstract: An optical assembly for scanning excitation radiation and/or manipulation radiation in a laser scanning microscope. The assembly an optical scanning unit as a first focusing device for providing a first pupil plane, a first beam deflecting device, which is made of a first scanner arranged in the first pupil plane, for scanning the excitation radiation and/or manipulation radiation in a first coordinate direction, and a second focusing device for generating a second pupil plane, which is optically conjugated to the first pupil plane. A second beam deflecting device is provided for deflecting the excitation radiation and/or manipulation radiation, said second deflecting device being arranged in the second pupil plane. A third focusing device is provided in order to generate a third pupil plane, optically conjugated to the first pupil plane.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: August 23, 2022
    Assignee: Carl Zeiss Microscopy GmbH
    Inventors: Tiemo Anhut, Matthias Wald, Daniel Schwedt, Beate Böhme
  • Anti-reflection coating
    Patent number: 11422289
    Abstract: A method of forming an anti-reflection layer, the method including applying a first mixture to an object, the first mixture made from a combination of aluminum tri-sec-butoxide (ATSB), a first chelating agent, water and an alcohol; removing a majority of the alcohol from the applied first mixture; after the removing, applying a second mixture to the object, the second mixture made from a combination of aluminum tri-sec-butoxide, a second chelating agent different than the first chelating agent, water and an alcohol; and removing a majority of the alcohol from the applied second mixture, wherein the applied first and second mixtures are used to form the anti-reflection layer.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: August 23, 2022
    Assignee: ASML Holding N.V.
    Inventors: Parag Vinayak Kelkar, David Hart Peterson
  • Optical unit with shake correction function
    Patent number: 11409125
    Abstract: An optical unit with a shake correction function may include a movable body, a gimbal mechanism swingably supporting the movable body around a first axis and a second axis, a fixed body supporting the movable body. The gimbal mechanism may include a gimbal frame, a first connection mechanism turnably connecting the movable body with the gimbal frame around the first axis, and a second connection mechanism turnably connecting the fixed body with the gimbal frame around the second axis. The first connection mechanism may include a first spherical body and a first concave curved face point-contacted with the first spherical body. The movable body may include an outer case and a protruded part protruded from the outer case at a diagonal position of the outer case in the first axis direction, and one of the first spherical body and the first concave curved face may be disposed in the protruded part.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: August 9, 2022
    Assignee: NIDEC SANKYO CORPORATION
    Inventor: Shinji Minamisawa
  • Optical image capturing system
    Patent number: 11402612
    Abstract: An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. At least one lens among the first to the sixth lenses has positive refractive force. The seventh lens can have negative refractive force, wherein both the surfaces of the seventh lens are aspheric surfaces, and at least one surface of the seventh lens has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the seventh lenses. The optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: August 2, 2022
    Assignee: ABILITY OPTO-ELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yeong-Ming Chang, Chien-Hsun Lai, Yao-Wei Liu
  • Spring system and lens anti-shaking device using the same
    Patent number: 11392010
    Abstract: A spring system, comprising at least three springs. The centerlines of the at least three springs are not in the same plane, and the centerlines of the springs all pass through the same rotation center. A lens anti-shaking device using the spring system, comprising: a fixing assembly comprising a housing, a positioning base, and a magnet group, the positioning base being disposed on the housing, and the magnet group being disposed on the positioning base; and a movable assembly comprising a coil group, a lens, a lens carrier, an image sensor, and a circuit board, the lens carrier being mounted on the positioning base by means of the spring system, the lens being mounted on the lens carrier, the circuit board being mounted on the positioning base, and the image sensor being disposed on the circuit board.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: July 19, 2022
    Assignee: VISTA INNOTECH LIMITED
    Inventor: Lin Chi Mak
  • Infrared reflective and electrical conductive composite film and manufacturing method thereof
    Patent number: 11391872
    Abstract: An infrared reflective and electrically conductive composite film to coat on a substrate, the composite film comprising at least one infrared reflective layer. The composite film further comprises at least one metal layer of connected metal nanowires, each of the at least one infrared reflective layer and at least one metal layer being conformably covered by an optically transparent conductive layer.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: July 19, 2022
    Assignee: LUXEMBOURG INSTITUTE OF SCIENCE AND TECHNOLOGY (LIST)
    Inventor: Renaud Leturcq
  • Projection lens assembly
    Patent number: 11385441
    Abstract: The present disclosure discloses a projection lens assembly. The projection lens assembly includes, sequentially along an optical axis from an image side to a source side, a first lens, a second lens, a third lens, and a fourth lens. The first lens has a positive refractive power, and an image-side surface of the first lens is a convex surface. The second lens has a positive refractive power or a negative refractive power, and a source-side surface of the second lens is a convex surface. The third lens has a positive refractive power. The fourth lens has a positive refractive power or a negative refractive power.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: July 12, 2022
    Inventors: Lin Huang, Litong Song
  • Lens module
    Patent number: 11372195
    Abstract: A lens module is provided. The lens module includes: a fixing frame; a lens assembly arranged in the fixing frame; an elastic suspending assembly connected between the fixing frame and the lens assembly to suspend the lens assembly within the fixing frame; a first magnet arranged on the lens assembly; a focusing coil arranged on the fixing frame and configured to cooperate with the first magnet to drive the lens assembly to move along an optical axis direction; a second magnet arranged on the lens assembly; and an anti-shake coil arranged on the fixing frame and configured to cooperate with the second magnet to drive the lens assembly to move along a second direction perpendicular to the optical axis to compensate for shaking of the lens assembly in a direction perpendicular to the optical axis. With the invention, the shaking of the lens assembly in the fixing frame is compensated.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: June 28, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Tongming Xu, Houwei Zhao