Patents Examined by Nicholas R Pasko
  • Patent number: 11422343
    Abstract: A catadioptric system (LS) is provided with: a first reflecting mirror (M1) that reflects light from an object; a second reflecting mirror (M2) that reflects light reflected by the first reflecting mirror (M1); a first lens group (G1) that transmits light reflected by the first reflecting mirror (41) and travelling toward the second reflecting mirror (M2), and transmits light reflected by the second reflecting mirror (M2); and a second lens group (G2) that transmits light reflected by the second reflecting mirror (M2) and transmitted through the first lens group (G1). The catadioptric system is configured that an image of the object is formed by light transmitted through the second lens group (G2).
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: August 23, 2022
    Assignee: NIKON CORPORATION
    Inventor: Kensuke Uchida
  • Patent number: 11402666
    Abstract: A spectacle lens including a lens base material and a multilayer film provided on each surface of an eyeball-side surface and an object-side surface of the lens base material, in which a normal incidence mean reflectance Reye in a wavelength range of 430 to 450 nm measured on the eyeball-side surface of the spectacle lens and a normal incidence mean reflectance Robject in a wavelength range of 430 to 450 nm measured on the object-side surface of the spectacle lens each are more than 0%, and Reye is greater than Robject.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: August 2, 2022
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Eisaku Iwasaki, Yoichi Ogo, Keiji Nishimoto, Kenji Takashiba, Naomi Ogawa
  • Patent number: 11397304
    Abstract: An optical system is provided, including a holder, a fixed module, a driving assembly, and a first resilient member. The holder is used for holding an optical element that defines an optical axis. The fixed module is movably connected to the holder and has a housing and a base connected to the housing. The base has a bottom surface parallel to the optical axis and a first pillar forming a first surface that is not parallel to the optical axis. The driving assembly drives the holder to move relative to the fixed module. The first resilient member is disposed on the first surface and movably connects the holder with the fixed module.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: July 26, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Kuo-Chun Kao, Meng-Ting Lin, I-Mei Huang, Sin-Jhong Song
  • Patent number: 11397332
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable part, a fixed part, a driving assembly, and a position sensing assembly. The movable part is used for connecting to an optical element. The movable part is movable relative to the fixed part. The driving assembly is used for driving the movable part to move relative to the fixed part in a first direction. The position sensing assembly is used for detecting movement of the moved part relative to the fixed part in the first direction. The position sensing assembly includes a reference element and a position sensor corresponding to the reference element. When viewed in any direction perpendicular to the first direction, the reference element does not overlap the position sensor.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: July 26, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Ichitai Moto, Yi-Liang Chan
  • Patent number: 11397309
    Abstract: An imaging lens system includes a first group having positive power and a second group having positive power disposed in that order from an object side to an image. The first group includes a first sub-group and a second sub-group. The second group includes a third sub-group, a stop, and a fourth sub-group. Conditional expressions (1), (2), and (3) below are satisfied: 0.07<f2/f1<0.4??(1); 0.45<f2/f2a<0.7??(2); and 1.05<f/R1aN<1.55??(3) where f denotes a focal length of an entirety of the imaging lens system focused at infinity, f1 denotes a focal length of the first group, f2 denotes a focal length of the second group focused at infinity, f2a denotes a focal length of the third sub-group focused at infinity, and R1aN denotes a radius of curvature of a surface closest to the image side within the first sub-group.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: July 26, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventor: Minoru Murayama
  • Patent number: 11391927
    Abstract: An optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has refractive power. The third lens element has refractive power. The fourth lens element has refractive power. The fifth lens element with refractive power has an image-side surface being concave in a paraxial region thereof. The sixth lens element with refractive power has an object-side surface being concave in a paraxial region thereof. The seventh lens element with refractive power has an image-side surface being concave in a paraxial region thereof.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: July 19, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventor: Wei-Yu Chen
  • Patent number: 11370358
    Abstract: A cloaking device comprises an object-side, an image-side, a cloaked region between the object-side and the image-side. An object-side optical component and an object-side tilt correction (TC) component are positioned on the object-side, and an image-side optical component and an image-side TC component are positioned on the image-side. The cloaking device is tilted relative to an object positioned on the object-side such that light from the object is incident on the cloaking device at an acute angle. The object-side TC component redirects light from the object incident on the cloaking device such that the light propagates through the cloaking device generally normal to the object-side and image-side optical components. The image-side TC component redirects light propagating through the cloaking device back to normal to the object to form an image of the object on the image-side of the cloaking device which, if not for the TC components, would be distorted.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: June 28, 2022
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Kyu-Tae Lee, Songtao Wu, Debasish Banerjee
  • Patent number: 11340449
    Abstract: A method for designing an optical lens with unequal thickness, comprising the steps of: (1) establishing a lens model in an optical software; (2) simulating a beam of incident light, and observing whether the incident light and the exit light are parallel; (3) if the incident light and the exit light are parallel, recording the curvatures and thicknesses of the incident surface and the exit surface of the lens model, and preliminarily preparing a lens; if the incident light and the exit light are unparallel, adjusting the thickness between the incident surface and the exit surface of the lens model until the incident light and the exit light are parallel, then recording the curvatures and thicknesses of the incident surface and the exit surface, and then preliminarily preparing a lens; (4) verifying whether the prepared lens is qualified, and if it is unqualified, returning to step (2).
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: May 24, 2022
    Inventors: Wenliang Liao, Xiangjun Liao
  • Patent number: 11333863
    Abstract: An optical imaging system includes lenses sequentially disposed from an object side toward an imaging plane. A third lens, a fourth lens, and a fifth lens of the lenses each have a negative refractive power. An F number of the optical imaging system is 1.7 or less.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: May 17, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Il Yong Park
  • Patent number: 11287621
    Abstract: An optical element includes: a first transmissive section 3 that causes light emitted from a light source to be incident on the optical element; a first reflection section 4 which is located at a facing section facing the first transmissive section and from which light incident from the first transmissive section is reflected; a second reflection section 5 which is located around the first transmissive section and from which the light reflected from the first reflection section is reflected; and a second transmissive section 6 that causes the light reflected from the second reflection section to be emitted out of the optical element in an optical axis direction of the light source.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: March 29, 2022
    Assignee: FUJITSU FRONTECH LIMITED
    Inventors: Kozo Yamazaki, Isao Iwaguchi
  • Patent number: 11280939
    Abstract: The glass article has a three-dimensional shape. The glass article contains a first surface and at least one second surface opposite to the first surface, and contains a bent part in at least one place of the first surface or the second surface.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: March 22, 2022
    Assignee: AGC Inc.
    Inventors: Hiroshi Wakatsuki, Yusuke Kobayashi
  • Patent number: 11269153
    Abstract: A retaining mechanism for removeably holding an optical filter in a frame, comprising a catch, and an actuator moveable in a first direction which acts on the catch to move the catch in a second direction, different from the first direction, from a first position capable of engaging with an optical filter in the frame to a second position incapable of engaging with the optical filter.
    Type: Grant
    Filed: January 14, 2017
    Date of Patent: March 8, 2022
    Inventor: James Elias
  • Patent number: 11269157
    Abstract: Provided is an optical apparatus including: a first optical element configured to be movable in an optical axis direction; a second optical element configured to be movable in the optical axis direction; a first elastic member configured to bias the first optical element in the optical axis direction; and a second elastic member configured to bias the first optical element and the second optical element in the optical axis direction due to reduction in distance between the first optical element and the second optical element, wherein the second elastic member is configured to bias the first optical element, due to the reduction, in a direction in which the first elastic member biases the first optical element.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: March 8, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Akira Yokoyama
  • Patent number: 11262484
    Abstract: This application relates to the technical field of optical films, and discloses a micro-optical imaging film and an imaging apparatus. The micro-optical imaging film includes a body; focusing structures and pattern structures being formed on the body, the focusing structures and pattern structures being adapted to each other, so as to form an image; and e cover structures covering exterior surfaces of at least part of the focusing structures, wherein materials of the cover structures and the focusing structures are different, and a difference between a refractive index of the cover structures and a refractive index of the focusing structures is greater than or equal to 0.05. With the technical solution contained in the embodiments of this application, a capability of the imaging film to resist ambient environmental pollutions may be improved.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: March 1, 2022
    Assignee: Shine Optoelectronics (Kunshan) Co., Ltd
    Inventor: Jian Zhang
  • Patent number: 11262538
    Abstract: A photographing optical lens system includes six lens elements. The six lens elements are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The second lens element has negative refractive power. The third lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The fifth lens element has an image-side surface being concave in a paraxial region thereof. The sixth lens element has positive refractive power.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: March 1, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Cheng-Yuan Liao, Hsin-Hsuan Huang
  • Patent number: 11249325
    Abstract: A method for determining optical power of an optical lens to be placed in front of an eye of a person, the method including: a first distance determining during which a first gazing distance is determined, which is the distance between the eye of the person and a first visual stimulus when the person gazes at the first visual stimulus in a given gazing direction with a first level of attention: a second distance determining during which a second gazing distance is determined, which is the distance between the eye of the person and a second visual stimulus when the person gazes at the second visual stimulus in the given gazing direction with a second level of attention different from the first level of attention; and an optical power determining during which the optical power adapted for the person is determined based on the first and second gazing distances.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: February 15, 2022
    Assignee: Essilor International
    Inventors: Jean-Luc Perrin, Damien Paille
  • Patent number: 11226469
    Abstract: An optical driving mechanism is provided, configured to drive an optical element, including a fixed portion, a movable portion, a frame assembly, and a biasing element. The fixed portion includes a base which has a central axis. The movable portion is configured to sustain the optical element and is movable relative to the fixed portion. The frame assembly connects the fixed portion and the movable portion and includes a plurality of string arms, wherein the string arms form at least one V-shaped structure. The biasing element is disposed on the frame assembly and is configured to drive the movable portion to move along a central axis direction relative to the fixed portion, wherein the string arms surround the biasing element and the biasing element is connected to at least one end portion of the V-shaped structure.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: January 18, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chen-Hsien Fan, Chao-Chang Hu
  • Patent number: 11221536
    Abstract: An electrochromic device includes: a first electrode which transmits light; a second electrode disposed opposite the first electrode; an electrolyte located between the first electrode and the second electrode, and containing metal depositable on one of the first electrode and the second electrode, according to a potential difference between the first electrode and the second electrode; a driver which applies a predetermined potential to a target electrode which is at least one of the first electrode and the second electrode; and a controller which changes a potential application portion of the target electrode to which the predetermined potential is applied, in a potential application period during which the predetermined potential is applied.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: January 11, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takashi Suzuki, Shotaro Ogawa, Makoto Morita, Akira Shiokawa
  • Patent number: 11221537
    Abstract: A switchable device for changing the opacity of at least a portion of a glazing is described. The switchable device comprises at least two (a first and a second) switchable regions in electrical communication with at least two (a first and a second) electrical connector regions. Each switchable region comprises an electrically actuated variable opacity layer between a first electrode and a second electrode, the first switchable region being arranged relative to the second switchable region such that upon connecting the first and second electrical connector regions to a suitable power supply, the opacity of the first and second switchable region changes such that at least two (a first and a second) portions of the switchable device have a change of opacity, the first portion of the switchable device having a different opacity to the second portion of the switchable device.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: January 11, 2022
    Assignee: PILKINGTON GROUP LIMITED
    Inventors: Andrew Thomas Stanley, Jonathan Barclay Dixon, Jonathan Peter Voss
  • Patent number: 11219365
    Abstract: The present subject matter relates to an ophthalmologic imaging apparatus, which can capture reflex-free retinal images of a subject's eye. The imaging apparatus comprises light sources arranged on an illumination axis. A first shield placed at a distance from a first condenser lens, which is placed in front of a photographic light source on the illumination axis. The first shield has a central opaque portion on which an observation light source is mounted, and an outer pair of coaxial annular transparent regions. A diffuser is placed in front of the observation light source. A second shield has a central opening portion and mounted on the diffuser. The imaging apparatus further comprises a porosity mirror mounted on a porosity tube.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: January 11, 2022
    Assignee: REMIDIO INNOVATIVE SOLUTIONS PVT. LTD.
    Inventors: Shanmuganathan Nagarajan, Anand Sivaraman