Patents Examined by Alicia M. Harrington
  • Patent number: 12235519
    Abstract: An optical imaging lens assembly having, sequentially along an optical axis from an object side to an image side, a first lens, having a positive refractive power, an object-side surface of the first lens being a concave surface; a second lens, having a negative refractive power, an image-side surface of the second lens being a convex surface; a third lens, having a refractive power; a fourth lens, having a refractive power; a fifth lens, having a refractive power; a sixth lens, having a refractive power; a seventh lens, having a refractive power; and an eighth lens, having a refractive power.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: February 25, 2025
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Jian Wang, Yanling Guo, Lingbo He, Fujian Dai, Liefeng Zhao
  • Patent number: 12222524
    Abstract: An ocular optical system including a Fresnel lens having a plurality of Fresnel zones formed on a lens surface on an observation object side, the plurality of Fresnel zones being arranged concentrically side by side along an aspherical surface having a shape which is rotationally symmetric with respect to a central axis of the Fresnel lens, the ocular optical system satisfying the conditional expression 0<PAE1/PAC1?0.50, where PAE1 represents an average pitch in a radial direction of Fresnel zones formed in a portion having a radius of 15 mm or more from the central axis of the Fresnel lens, and PAC1 represents an average pitch in the radial direction of Fresnel zones formed in a portion having a radius of 15 mm or less from the central axis of the Fresnel lens excluding a first Fresnel zone.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: February 11, 2025
    Assignee: Nikon Corporation
    Inventors: Hidetsugu Takagi, Miho Matsumoto
  • Patent number: 12222479
    Abstract: The zoom lens includes, as lens groups, in order from the object side, only a first lens group having a positive power, a second lens group having a negative power, a third lens group having a positive power, a fourth lens group having a negative power, and a fifth lens group having a positive power. An aperture stop is disposed between a lens surface closest to the image side in the second lens group and a lens surface closest to the object side in the fourth lens group. During zooming, at least the first lens group, the second lens group, the third lens group, and the fourth lens group move. The first lens group consists of a negative lens, a positive lens, and a positive lens in order from the object side. The zoom lens satisfies predetermined conditional expressions.
    Type: Grant
    Filed: August 16, 2023
    Date of Patent: February 11, 2025
    Assignee: FUJIFILM Corporation
    Inventors: Daiki Kawamura, Taiga Noda
  • Patent number: 12204166
    Abstract: Disclosed is a lens driving apparatus. The lens driving apparatus includes a base, a yoke coupled to the base, having an upper surface formed with a hole, a closed side surface, and an opened bottom surface, a bobbin movably installed in an inner portion of the yoke, a lens module coupled to the bobbin to go in and out the hole according to movement of the bobbin, a magnet fixed to an inner portion of the yoke, a coil fixed to an outer portion of the bobbin while facing the magnets, and springs coupled to the bobbin to provide restoration force to the bobbin.
    Type: Grant
    Filed: August 3, 2023
    Date of Patent: January 21, 2025
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Ji Hoon Kim
  • Patent number: 12197039
    Abstract: The disclosure discloses a camera lens group, which sequentially includes, from an object side to an image side along an optical axis, a first lens, second lens, third lens, fourth lens, fifth lens, sixth lens, seventh lens and eighth lens with focal power, wherein the first lens, the fourth lens, the sixth lens and the seventh lens have positive focal power; the eighth lens has negative focal power; a total effective focal length f of the camera lens group and a maximum Semi-Field of View (Semi-FOV) of the camera lens group meet f×tan(Semi-FOV)>6.0 mm; and the total effective focal length f of the camera lens group and an effective focal length f7 of the seventh lens meet 0.44/f7<1.2.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: January 14, 2025
    Assignee: ZHEJIANG SUNNY OPTICAL, CO., LTD
    Inventors: Fujian Dai, Kaiyuan Zhang, Yi Zhang, Liefeng Zhao
  • Patent number: 12181728
    Abstract: A lens assembly can include: a holder; a lens module disposed at an inner side of the holder; an optical module disposed at an upper side of the lens module; and an conductive substrate electrically connected to the optical module. The conductive substrate includes: a body part disposed at an upper side of the holder; and an extension part extended from one end of the body part, and including a terminal part, the holder includes a second lateral surface formed by being recessed inwards from a portion of a first lateral surface, and at least a portion of the extension part is disposed at the second lateral surface.
    Type: Grant
    Filed: July 11, 2023
    Date of Patent: December 31, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Youn Baek Jeong
  • Patent number: 12181639
    Abstract: The disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis: a first lens with a negative refractive power, an object-side surface thereof is a concave surface, an image-side surface thereof is a convex surface; a second lens with a refractive power; a diaphragm; a third lens with a refractive power, an object-side surface thereof is a convex surface, an image-side surface thereof is a convex surface; a fourth lens with a refractive power; and a fifth lens with a refractive power. Semi-FOV is a half of a maximum field of view of the optical imaging lens assembly, and Semi-FOV meets Semi-FOV?55°.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: December 31, 2024
    Assignee: ZHEJIANG SUNNY OPTICS CO., LTD.
    Inventors: Jian Wang, Lingbo He, Fujian Dai, Liefeng Zhao
  • Patent number: 12174399
    Abstract: An optical component includes: a first layer made of a first material having a first refractive index, the first layer including a first principal surface and a second principal surface opposite to the first principal surface; and a second layer made of a second material having a second refractive index different from the first refractive index, the second layer including a third principal surface and a fourth principal surface opposite to the third principal surface, and the first layer and the second layer are stacked such that the second principal surface and the third principal surface are in contact. A lens is formed on the first principal surface of the first layer, and a vortex profile is formed on the third principal surface of the second layer.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: December 24, 2024
    Assignee: Nippon Sheet Glass Company, Limited
    Inventors: Keiji Tsunetomo, Shiro Sato, Satoru Kusaka
  • Patent number: 12169268
    Abstract: A magnification-variable optical system having a small size, a wide angle of view, and high optical performance, an optical apparatus including the magnification-variable optical system, and a method for manufacturing the magnification-variable optical system are provided, the magnification-variable optical system ZL being used for an optical apparatus and includes a first lens group G1 having a negative refractive power, and a rear group GR including at least one lens group disposed on an image side of the first lens group G1, and is configured so that a distance between lens groups adjacent to each other changes at magnification change and a condition expressed by predetermined condition expressions is satisfied.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: December 17, 2024
    Assignee: Nikon Corporation
    Inventors: Fumiaki Ohtake, Azuna Nonaka
  • Patent number: 12158565
    Abstract: The present invention discloses a camera optical lens with seven-piece lenses including, from an object side to an image side in sequence, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having refractive power, a fifth lens having a positive refractive power, a sixth lens having a negative refractive power and a seventh lens having a negative refractive power. Herein the camera optical lens satisfies the following conditions: ?10.00?f4/f?10.00, 4.00?d5/d6?8.00, and 2.00?(R3+R4)/(R3?R4)?10.00. The camera optical lens according to the present invention has excellent optical characteristics, such as large aperture, wide-angle, and ultra-thin.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: December 3, 2024
    Assignee: AAC Optics (Changzhou) Co., Ltd.
    Inventors: Takaaki Teranishi, Lei Zhang
  • Patent number: 12158561
    Abstract: An imaging lens consists of, in order from the object side to the image side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group. During focusing, only the second lens group moves. The imaging lens satisfies a conditional expression: ?0.5<f/f3<0.38 regarding the focal length f of the imaging lens and the focal length f3 of the third lens group in a state where an object at infinity is in focus.
    Type: Grant
    Filed: January 24, 2024
    Date of Patent: December 3, 2024
    Assignee: FUJIFILM Corporation
    Inventor: Ryoko Tomioka
  • Patent number: 12124004
    Abstract: An optical imaging system includes a first lens having positive refractive power, a second lens, a third lens, and a fourth lens, arranged sequentially from an object side along an optical axis. The first lens through the fourth lens are spaced apart from each other along the optical axis in a paraxial region. A total focal length f of a lens unit including the first lens through the fourth lens and half (IMG HT) of a diagonal length of an imaging surface of an image sensor satisfy f/IMG HT>4.9. An effective aperture radius of an object-side surface of the first lens and an effective aperture radius of an object-side surface of the second lens are both greater than effective aperture radii of an object-side surface and an image-side surface of each of the lenses other than the first lens and the second lens.
    Type: Grant
    Filed: June 30, 2023
    Date of Patent: October 22, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ho Sik Yoo, Dong Shin Yang
  • Patent number: 12111686
    Abstract: An optical unit includes a ball lens and a light source. The ball lens condenses light and outputs the condensed light. The light source has a light emitting surface and the light source outputs light toward the ball lens. The light emitting surface is located closer to the ball lens than a focal position of the ball lens.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: October 8, 2024
    Assignee: SATURN LICENSING LLC
    Inventors: Norimasa Furukawa, Kenichi Nakaki
  • Patent number: 12105266
    Abstract: The present disclosure relates to a technical field of optical lenses, and discloses a camera optical lens. The camera optical lens includes six lenses. An order of the seven lenses is sequentially from an object side to an image side, which is shown as follows: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a refractive power, a fourth lens having a negative refractive power, a fifth lens having a positive refractive power, and a sixth lens having a negative refractive power. While the camera optical lens has good optical performance, the camera optical lens further meets design requirements of large aperture, wide-angle, and ultra-thinness. In addition, on-axis and off-axis chromatic aberrations are fully corrected and the camera optical lens has excellent optical characteristics.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: October 1, 2024
    Assignee: AAC Optics (Suzhou) Co., Ltd.
    Inventor: Haichao Peng
  • Patent number: 12099253
    Abstract: A lens barrel capable of increasing the moving range of a lens includes: a lens retainer frame for holding a lens; a drive unit for driving the lens retainer frame along the optical axis direction; a first cylinder that holds the drive unit and has a cam follower; a second cylinder that has a cam groove for engaging the cam follower; and a bias part for biasing the first cylinder along the optical axis.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: September 24, 2024
    Assignees: NIKON CORPORATION, TOCHIGI NIKON CORPORATION
    Inventors: Kunihiko Shimizu, Satoshi Waizumi, Takehiro Koizumi
  • Patent number: 12082316
    Abstract: The present disclosure provides an intelligent music lamp string. The intelligent music lamp string includes a human body sensing module, a control module, a music control module and a lamp string. The human body sensing module is configured to sense a human body and output a sensing signal when the human body is sensed. The control module is configured to receive the sensing signal and output an enable signal and a control signal according to the sensing signal. The music control module is configured to receive the enable signal and play a predetermined music according to the enable signal. The lamp string is configured to receive the control signal and start to work according to the control signal, a duty cycle of the control signal in each cycle corresponding to beats of each section of the predetermined music.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: September 3, 2024
    Inventor: Yunbing Weng
  • Patent number: 12078781
    Abstract: An imaging lens consists of, in order from the object side to the image side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group. During focusing, only the second lens group moves. The imaging lens satisfies a conditional expression: ?0.5<f/f3<0.38 regarding the focal length f of the imaging lens and the focal length f3 of the third lens group in a state where an object at infinity is in focus.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: September 3, 2024
    Assignee: FUJIFILM Corporation
    Inventor: Ryoko Tomioka
  • Patent number: 12072471
    Abstract: The present invention provides an optical imaging lens. The optical imaging lens comprises seven lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements, the optical imaging lens may be provided with shortened system length, decreased Fno, increased field of view and image height.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: August 27, 2024
    Assignee: Genius Electronic Optical (Xiamen) Co., Ltd.
    Inventors: Run Hu, Zhao Wang
  • Patent number: 12072548
    Abstract: The present embodiment discloses an interchangeable lens that can be detachably attached to an apparatus body having an image forming surface on which an image is formed, and the interchangeable lens has a magnification conjugate point on a magnification side and a reduction conjugate point on a reduction side. The interchangeable lens includes a focus lens group that can move along an optical axis to adjust a focus at the magnification conjugate point and a flange back distance correction lens group that can move along the optical axis to correct an error in a flange back distance of the interchangeable lens with respect to the image forming surface.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: August 27, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takuya Imaoka, Qinghua Zhao
  • Patent number: 12066640
    Abstract: Disclosed is a lens moving apparatus. The lens moving apparatus includes a moving unit having at least one lens installed therein and moving by electromagnetic interaction between magnets and coils, elastic members configured to support the moving unit, and position sensors configured to sense change of electromagnetic force emitted from the magnets according to movement of the moving unit and to output an output signal based on a result of sensing, and a primary resonant frequency of frequency response characteristics according to gain of a ratio of the output signal of the position sensors to an input signal applied to the coils is 30 Hz to 200 Hz.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: August 20, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Byung Wook Son, Kyoung Ho Yoo, Jun Taek Lee