Patents Examined by Zachary Wilkes
  • Patent number: 10191261
    Abstract: Accommodating (re-focusable) macro lens system which includes first and second individual lenses having first and second optical portions sequentially disposed along an optical axis. Change in optical-power of macro lens results from by changing the flattened area of contact between the lenses in response to force applied to the lenses axially by an external compressor operably connected with or forming a part of macro lens housing. Method for operating same.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: January 29, 2019
    Assignee: TANTUM OPTICS, LLC
    Inventor: Sean J. McCafferty
  • Patent number: 10191248
    Abstract: A compact low-profile low-cost imaging lens with a small F-value which offers a wide field of view and corrects aberrations properly. Its elements are spaced from each other and arranged from an object side to an image side as follows: a first positive lens having a convex object-side surface; a second negative lens; a third positive or negative lens; a fourth positive or negative lens; a fifth positive or negative lens; a sixth positive or negative lens; and a seventh lens as a double-sided aspheric lens having a concave image-side surface. The third to sixth lenses each have at least one aspheric surface. The aspheric image-side surface of the seventh lens has a pole-change point off an optical axis. The imaging lens satisfies a conditional expression ?1.0<f1/f2<?0.15, where f1 denotes focal length of the first lens, and f2 denotes focal length of the second lens.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: January 29, 2019
    Assignee: KANTATSU CO., LTD.
    Inventor: Masaya Hashimoto
  • Patent number: 10191257
    Abstract: A lens system having, in order from an object, at least a first lens group G1 having positive refractive power, and second to fourth lens groups G2 to G4, wherein the first lens group G1 includes a front portion lens group G1a, and a rear portion lens group G1b which is disposed to an image side of the front portion lens group G1a with an air distance therebetween, and performs focusing by shifting the rear portion lens group G1b in the optical axis direction, and the fourth lens group G4 includes, in order from the object, a negative lens and a positive lens (cemented negative lens L41), a negative lens L42, and an aperture stop S, and is fixed in the optical axis direction with respect to an image plane I upon zooming from a wide angle end state to a telephoto end state.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: January 29, 2019
    Assignee: Nikon Corporation
    Inventor: Toshinori Take
  • Patent number: 10191249
    Abstract: There are provided a subminiature optical system having a miniature size and capable of obtaining a narrow view angle using only five sheets of lenses, and a portable device having the same. The subminiature optical system includes a first lens convex toward the object side and having positive refractive power, a second lens concave toward an image side and having negative refractive power, a third lens convex toward the object side and having positive refractive power, a fourth lens concave toward the image plane and having negative refractive power, and a fifth lens convex toward the image plane and having negative or positive refractive power, sequentially from an object side.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: January 29, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yong Joo Jo, Young Suk Kang
  • Patent number: 10185122
    Abstract: An imaging lens which forms an image of an object on a solid-state image sensor includes a first through fifth lens in order from an object side to an image side of the imaging lens. The imaging lens includes: a first lens that is a meniscus lens having a convex surface facing the object side; a second lens; and a third lens that is a meniscus lens and has a convex surface facing the image side near an optical axis of the imaging lens. The imaging lens further includes: a fourth lens having a concave surface facing the object side and a convex surface facing the image side near the optical axis; and a fifth lens. An F-value of the imaging lens is 2.5 or less.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: January 22, 2019
    Assignee: KANTATSU CO., LTD.
    Inventor: Masaya Hashimoto
  • Patent number: 10150665
    Abstract: A micromechanical device capable of providing out-of-plane motion and force generation in response to an in-plane strain applied to the device is provided. Embodiments of the present invention comprise one or more islands that are operatively coupled with one or more hinges. The hinges are operative for inducing rotation of the islands when a lateral strain is applied to the structure. In some embodiments, the hinges are also electrically conductive such that they enable electrical communication between the one or more islands and devices external to the structure. Some embodiments of the present invention are particularly well suited for use in biological applications. Some devices in accordance with the present invention are fabricated using conventional planar processes, such as flex-circuit fabrication techniques.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: December 11, 2018
    Assignees: The Board of Trustees of the Leland Stanford Junior University, Infinite Corridor Technology, LLC
    Inventors: Rebecca Elizabeth Taylor, Beth L. Pruitt, Mary C. Boyce, Christopher M. Boyce
  • Patent number: 10149615
    Abstract: A fundus imaging apparatus includes a scanning optical system, a control circuit, and an image forming unit. The scanning optical system scans a fundus of a subject's eye with light from a light source, and receives return light from the fundus by a light receiver. The control circuit controls the scanning optical system such that a scanning locus is formed by the light in the fundus. The image forming unit forms an image of the fundus based on a light receiving signal from the light receiver and a position of the scanning locus. The control circuit is capable of performing an alignment mode, in which the control circuit controls the scanning optical system to project an alignment indicator for aligning the scanning optical system with the subject's eye on the fundus based on the light from the light source.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: December 11, 2018
    Assignee: KABUSHIKI KAISHA TOPCON
    Inventors: Jun Sakai, Makoto Fujino, Keisuke Arima, Ryoichi Yahagi
  • Patent number: 10143372
    Abstract: An exit pupil locator tool including a connector and a target. The connector is configured to engage an optics component that defines an optics axis of a helmet mounted display. The target includes a reticle, a first aperture, and a second aperture and defines a tool axis that is arranged at an oblique tool angle relative to the optics axis.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: December 4, 2018
    Assignee: ROCKWELL COLLINS, INC.
    Inventors: Francois Raynal, Bobby D. Foote
  • Patent number: 10139606
    Abstract: A zoom lens includes, in order from an enlargement conjugate side to a reduction conjugate side, a first lens unit (B1) having a negative refractive power, a second lens unit (B2) having a positive refractive power, a third lens unit (B3) having a positive refractive power, a stop (sto), a fourth lens unit (B4) having a positive refractive power, a fifth lens unit (B5) having a negative refractive power, a sixth lens unit (B6) having a negative refractive power, and a seventh lens unit (B7) having a positive refractive power, and when zooming from a wide-angle end to a telephoto end, the second lens unit (B2), the third lens unit (B3), the fourth lens unit (B4), the fifth lens unit (B5), and the sixth lens unit (B6) move from the reduction conjugate side to the enlargement conjugate side while a space between adjacent lens units changes.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: November 27, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Junya Ichimura
  • Patent number: 10139595
    Abstract: An optical assembly for a point action camera or other compact digital camera having a wide field of view, includes multiple lens elements, including at least one lens element that has an aspheric lens surface. The optical assembly is configured to provide a field of view in excess of 120 degrees. The optical assembly includes a ratio of a diameter of a first lens element at the object end of the optical assembly to an image diagonal is less than approximately 3.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: November 27, 2018
    Assignee: Navitar Industries, LLC
    Inventors: Russell Hudyma, Michael Thomas, Ian Wallhead, Arash Ghorbani
  • Patent number: 10133079
    Abstract: Provided is a laser device including N semiconductor laser array stacks, a prismatic optical system that shifts optical axes of luminous fluxes respectively output from the N semiconductor laser array stacks so as to decrease intervals among the luminous fluxes, and an imaging optical system that causes the luminous fluxes to be condensed and deflected for each luminous flux. The imaging optical system causes the luminous fluxes to be deflected so that the luminous fluxes overlap each other at a predetermined position and generates a light-condensing point of the luminous fluxes between the imaging optical system and the predetermined position.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: November 20, 2018
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Takashi Sekine, Toshiyuki Kawashima, Yasuki Takeuchi, Yuma Hatano
  • Patent number: 10126469
    Abstract: Nanostructured material exhibiting a random anisotropic nanostructured surface, and exhibiting an average reflection at 60 degrees off angle less than 1 percent. The nanostructured materials are useful, for example, for optical and optoelectronic devices, displays, solar, light sensors, eye wear, camera lens, and glazing.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: November 13, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Ta-Hua Yu, Moses M. David, Abdujabar K. Dire, Albert I. Everaerts, William Blake Kolb, Todd M. Sandman, Shunsuke Suzuki, Scott A. Walker
  • Patent number: 10123695
    Abstract: A display, imaging units that capture a subject, an eye gaze detector that detects an eye gaze direction of the subject, from the captured image captured by the imaging units, a gaze point detector that detects a gaze point of the subject in a display region of the display, based on the eye gaze direction, an output controller that displays any of a plurality of diagnosis images on the display, selects the diagnosis image to be displayed next according to a position of the gaze point detected when the diagnosis image is displayed, from the plurality of diagnosis images, and further displays the selected diagnosis image on the display, and an evaluator that calculates an evaluation value of the subject, based on the gaze point detected by the gaze point detector when the diagnosis image is displayed.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: November 13, 2018
    Assignee: JVC KENWOOD Corporation
    Inventors: Shuji Hakoshima, Katsuyuki Shudo, Masaru Ninomiya
  • Patent number: 10117577
    Abstract: A visual field calculation apparatus capable of accurately calculating a visual field range of a user without using a complex configuration is provided. The visual field calculation apparatus includes a saccade detector that detects a saccade on the basis of a first gaze direction detected at a first timing and a second gaze direction detected at a second timing, a saccade speed calculator that calculates speed of the saccade on the basis of a time difference between the first timing and the second timing, the first gaze direction, and the second gaze direction, and a visual field range calculator that calculates a displacement vector of a saccade whose speed exceeds a first threshold, and calculates an area including a final point of the displacement vector as the visual field range of the user.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: November 6, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Makoto Mochizuki, Koichi Emura, Tetsuo Matsuse, Hayashi Ito
  • Patent number: 10101575
    Abstract: This endoscope objective optical system is capable of acquiring images of high resolution and wide angle of observation field, maintaining low invasiveness and appropriately correcting various aberrations. This optical system has at least a first cemented lens which has a positive lens and a negative lens, in which the cemented lens satisfies the following conditional expressions: (1) 15.0<?A?ndA<15.75 and (2) ?0.2>rdyA1/ih>?20, wherein ?A is an Abbe number of the negative lens, ndA is a refractive index of the negative lens at the d-line, rdyA1 is a curvature radius of a joining surface of the negative lens, and ih is an image height.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: October 16, 2018
    Assignee: OLYMPUS CORPORATION
    Inventor: Masahiro Katakura
  • Patent number: 10095042
    Abstract: A beam transformation element (1) for transforming electromagnetic radiation, in particular laser radiation, comprising an irradiation surface (2) and an emission surface (8). The irradiation surface (2) comprises at least four cylindrical segments (3), wherein each cylindrical segment (3) has at least two adjacent segments. A cylinder longitudinal axis (4) of a first cylindrical segment (3) is not parallel to each cylinder longitudinal axis (4) of an adjacent cylindrical segment (3).
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: October 9, 2018
    Assignee: Fisba Optik AG
    Inventors: Hansruedi Moser, Martin Forrer
  • Patent number: 10073416
    Abstract: The invention relates to a method for producing a holographic optical element by providing a recording stack comprising at least one recording element laminated on at least one supporting element, irradiating at least a part of the recording stack with at least one recording beam in an irradiating step, wherein during the irradiating step, the recording stack bends, providing a bending deviation threshold for the recording stack, and adjusting at least one first process parameter such that an expected maximum bending deviation of the recording stack does not exceed the bending deviation threshold, wherein the at least one first process parameter influences the bending behavior of the recording stack during the irradiating step.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: September 11, 2018
    Assignees: LG Display Co., Ltd., Bayer MaterialScience AG
    Inventors: Hyungseok Bang, Heejin Im, Guensik Lee, Friedrich-Karl Bruder, Thomas Peter Facke, Marc-Stephan Weiser, Rainer Hagen, Thomas Rolle, Horst Berneth, Dennis Honel, G√ľnther Walze
  • Patent number: 10073202
    Abstract: A near-infrared cut filter has an optical multilayer provided on at least one main surface of a transparent substrate, in which the optical multilayer is formed of a high-refractive index layer having a refractive index of 2.0 or more, and a low-refractive index layer having a refractive index of 1.6 or less at a wavelength of 500 nm, and the optical multilayer has a repeating structure of (anQH, bnQL, cnQH, dnQL)^n when a QWOT at the wavelength of 500 nm of the high-refractive index layer is set to QH, and a QWOT at the wavelength of 500 nm of the low-refractive index layer is set to QL, in which an average value of the an is not less than 1.5 nor more than 2.5, and a value obtained by averaging average values of the respective bn, cn, and dn is 1.0 or less.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: September 11, 2018
    Assignee: ASAHI GLASS COMPANY, LIMITED
    Inventor: Mitsuyuki Tatemura
  • Patent number: 10061124
    Abstract: A diffractive beam expander for use in an augmented-reality display is disclosed. The device can include a optical substrate with a first diffractive optical element having a first diffractive grating disposed on one surface and a second diffractive grating disposed on the opposing surface. Portions of the first and second diffractive gratings overlap to define an in-coupling area configured to receive a beam of incoming light. The first diffractive optical element expands at least part of the received light beam by odd-order diffraction expansion in a first region and a second region and expands at least part of the received light beam by even-order diffraction expansion in a third region. The light components by the first diffractive optical element are then coupled into a second diffractive optical element, which is configured to out-couple at least part of the expanded diffracted light components to exit the substrate by diffraction.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: August 28, 2018
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Jani Kari Tapio Tervo, Tuomas Heikki Vallius
  • Patent number: 10054715
    Abstract: An aspect of the present invention relates to an eyeglass lens comprising a lens substrate and a vapor-deposited film either directly or indirectly on the lens substrate, wherein the vapor-deposited film is an oxide film of metal selected from the group consisting of zirconium and tantalum, with an average grain size observed in a planar image obtained by a transmission electron microscope of equal to or greater than 3.5 nm and a proportion accounted for by grain boundaries, which are boundaries separating grains from regions outside of the grains, in a planar image obtained by a transmission electron microscope of less than 15%.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: August 21, 2018
    Assignee: HOYA CORPORATION
    Inventors: Nobuyuki Tadokoro, Naomi Ogawa, Makoto Adachi, Yuko Komine, Koushi Harada