Patents Examined by Michelle R. Connelly
  • Optical module, optical wiring substrate, and method for manufacturing optical module
    Patent number: 11500165
    Abstract: An optical module includes: a substrate; one or more light sources that produce light that is an optical signal; one or more light reflection units that change the direction of travel of the light to a direction substantially perpendicular to the substrate; one or more optical waveguides that optically connect the one or more light sources and the one or more light reflection units to each other; and a lid that is attached to the substrate to cover the one or more light sources, the one or more light reflection units and the one or more optical waveguides. The lid has one or more lenses that collimate light directed by the one or more light reflection units and transmit the light to the outside of the lid.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: November 15, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yuta Ueda, Hiroyuki Ishii, Koji Takeda, Takushi Kazama, Hitoshi Wakita
  • Elastic averaging coupling
    Patent number: 11500166
    Abstract: A passive optical alignment coupling between an optical connector having a first two-dimensional planar array of alignment features and a foundation having a second two-dimensional planar array of alignment features. One of the arrays is a network of orthogonally intersecting longitudinal grooves defining an array of discrete protrusions that are each in a generally pyramidal shape with a truncated top separated from one another by the orthogonally intersecting longitudinal grooves, and the other array is a network of longitudinal cylindrical protrusions. The cylindrical protrusions are received in the grooves, with protrusion surfaces of the cylindrical protrusions in contact with groove surfaces and the top of the discrete protrusions contacting the surface bound by the cylindrical protrusions.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: November 15, 2022
    Assignee: SENKO ADVANCED COMPONENTS, INC.
    Inventors: Robert Ryan Vallance, Yang Chen, Tewodros Mengesha
  • Cable stripping tool
    Patent number: 11493722
    Abstract: A stripping tool configured to sequentially strip the layers of a cable, such as a fiber optic cable. The stripping tool includes multiple channels, each with a distinct role in stripping a layer of the fiber optic tool. The user sequentially moves the cable from channel-to-channel while operating the tool. At the conclusion of these operations the cable is appropriately stripped and ready for a subsequent operation.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: November 8, 2022
    Assignee: Metra Electronics Corporation
    Inventor: Stewart Denton
  • Connection structure of optical waveguide chips
    Patent number: 11493705
    Abstract: A connection structure of optical waveguide chips includes a base substrate (2003) in which grooves (2013) are formed, spacer optical fibers (2006) each disposed for a corresponding one of the grooves (2013) and fitted in the groove (2013) while partially projecting from the base substrate (2003), and silica-based PLCs (2001, 2002) that are a plurality of optical waveguide chips in each of which grooves (2007) fitted on the projecting portions of the spacer optical fibers (2006) are formed at positions of an optical waveguide layer (2008) facing the grooves (2013), and each of which is mounted on the base substrate (2003) while being supported by the spacer optical fibers (2006). The silica-based PLCs (2001, 2002) are mounted on the base substrate (2003) such that incident/exit end faces of the optical waveguide layers (2008) face each other.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: November 8, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kota Shikama, Hiroshi Ishikawa, Yuko Kawajiri, Atsushi Aratake
  • Fiber optic connectors having a ferrule insertion stop
    Patent number: 11487064
    Abstract: A ferrule-based fiber optic connectors having a connector assembly with a ferrule insertion stop for limiting the insertion of a ferrule into a ferrule sleeve are disclosed. In one embodiment, the fiber optic connector comprising a connector assembly, ferrule insertion stop, a connector sleeve assembly and a female coupling housing. The connector assembly comprises a ferrule and a resilient member for biasing the ferrule forward and the connector sleeve assembly comprises a housing and a ferrule sleeve, where the ferrule of the connector assembly is at least partially disposed in the ferrule sleeve when assembled. The ferrule insertion stop limits the depth that the ferrule may be inserted into the ferrule sleeve.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: November 1, 2022
    Assignee: Corning Optical Communications LLC
    Inventors: Micah Colen Isenhour, Thomas Theuerkorn
  • Multicore fiber optic cable
    Patent number: 11480749
    Abstract: A multicore fiber optic cable comprising of a central fiber having a central fiber outer diameter, a central fiber coating surrounding the central fiber outer diameter of the central fiber, the central fiber coating having a continuous spiraled groove around the central fiber outer diameter, a dual core optical fiber having a dual core optical fiber geometry, the dual core optical fiber spiraled around the central fiber coating and disposed within the spiraled groove such that the dual core optical fiber is wound around the central fiber coating in a spiral pattern and the central fiber core geometry and the dual core optical fiber geometry are oriented longitudinally to negate link path length difference; and an outer sheath surrounding the central fiber coating and the dual core optical fiber.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: October 25, 2022
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Mark Beranek, Jordan Hollady, John Diehl, Jason McKinney
  • Optical mode splitter
    Patent number: 11480731
    Abstract: A splitter. In some embodiments, the splitter includes an input waveguide; a first output waveguide; a second output waveguide; a first internal waveguide, connected to the input waveguide and to the first output waveguide, and a second internal waveguide, coupled to the first internal waveguide and connected to the second output waveguide. The splitter may be configured, when fed, at the input waveguide, power in a fundamental mode of the input waveguide or power in a first order spatial mode of the input waveguide: to transmit at least 80% of the power in the fundamental mode to the first output waveguide, and to transmit at least 80% of the power in the first order spatial mode to the second output waveguide.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: October 25, 2022
    Assignee: Rockley Photonics Limited
    Inventors: Yangyang Liu, Andrea Trita
  • Fiber optic adapter assembly
    Patent number: 11474302
    Abstract: A fiber optic adapter assembly is provided with a floating adapter module. The adapter assembly includes a housing, an adapter module, and a single biasing member disposed in the housing and concentrically aligned with the adapter module. The single biasing member can bias the adapter module in a direction toward an end of the housing and be compressible in the opposite direction toward the other end of the housing.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: October 18, 2022
    Assignee: COMMSCOPE CONNECTIVITY BELGIUM BVBA
    Inventor: Philippe Coenegracht
  • Cable entry sealing systems for telecommunication enclosures
    Patent number: 11460655
    Abstract: A cable entry sealing system includes a housing having a first housing end and a second housing end; a sealing and shielding member having a portion insertable into the housing, the sealing and shielding member comprising: a plug portion and a medial sealing portion, extending from the plug portion. The medial sealing portion includes a first raised edge, a lip sealing portion extending outwardly from the first raised edge, and a medial body section having a second raised edge. The system further includes an end sealing portion, extending from the medial portion, and at least one compression member coupled to the end sealing portion. The sealing and shielding member is configured to prevent contamination into the cable entry sealing system and distortion of the at least one compression member.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: October 4, 2022
    Assignee: Corning Research & Development Corporation
    Inventors: Christophe Joseph Marie Corbille, Michel Teva Menguy
  • Plastic optical fiber for medical device lighting and medical device lighting using same
    Patent number: 11454756
    Abstract: A plastic optical fiber for a medical device lighting decreases the cost of a lens and simplify the design of a lighting apparatus, wherein the plastic optical fiber for a medical device includes a core composed of a (co)polymer containing methyl methacrylate as a main component and is characterized by including a cladding material composed of a copolymer having a fluorine weight composition ratio of 60 to 74%, and by having a theoretical numerical aperture, NA, of 0.48 to 0.65 and, thus, the plastic optical fiber has a high numerical aperture and also has excellent translucency and flexibility.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: September 27, 2022
    Assignee: Toray Industries, Inc.
    Inventors: Hideki Kojima, Hironobu Maeda, Shinji Sato, Hidekazu Kunieda, Satoshi Matsuba
  • Method for manufacturing optical fiber and optical fiber
    Patent number: 11454760
    Abstract: A method for manufacturing an optical fiber, the method including: a stripping step of partially stripping a coating layer of the optical fiber; a splicing step of fusion-splicing an exposed end surface of a glass fiber; and a recoating step of recoating a protective resin covering a stripped portion of the coating layer and an exposed portion of the glass fiber, in which the stripping step is a step of irradiating the coating layer with a laser light to strip the coating layer.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: September 27, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Suguru Takasaki, Hiroshi Kohda
  • Fire resistant cable having two jackets separated by porous insulating layer
    Patent number: 11448841
    Abstract: Embodiments of an optical fiber cable are provided. The optical fiber cable includes an outer jacket, an inner jacket, a porous insulating layer, and at least one optical fiber. The outer jacket has a first thickness between its inner surface and its outer surface. The inner jacket has a second thickness between its inner surface and its outer surface. The inner jacket is disposed within the outer jacket. The porous insulating layer is disposed between the inner jacket and the outer jacket. The porous insulating layer is configured to reduce the transfer of heat to the inner jacket during combustion of the outer jacket. The optical fiber is disposed within the inner jacket. In the optical fiber cable, the first thickness is less than the second thickness, and each of the outer jacket and the inner jacket include at least one flame retardant additive.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: September 20, 2022
    Assignee: CORNING RESEARCH & DEVELOPMENT CORPORATION
    Inventors: Harold Edward Hudson, II, William Carl Hurley
  • Small diameter fiber optic cables having low-friction cable jackets and optical fibers with reduced cladding and coating diameters
    Patent number: 11448842
    Abstract: A fiber optic cable includes a cable jacket having an outer surface defined by a cable jacket outer diameter JOD and an inner surface defined by a cable jacket inner diameter JID; a plurality N of optical fibers, where N?4, contained within the cable jacket and positioned a distance away from the cable jacket inner diameter, with each optical fiber having a core, a cladding surrounding the core, and at least one coating surrounding the core with the at least one coating having an outer coating diameter less than or equal to about 200 microns and wherein the cable jacket outer diameter JOD is less than or equal to 1 mm.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: September 20, 2022
    Assignee: CORNING RESEARCH & DEVELOPMENT CORPORATION
    Inventors: Scott Robertson Bickham, William Carl Hurley, Ulrich Wilhelm Heinz Neukirch, Radawan Ripumaree
  • Airframe-integrated optical midplane
    Patent number: 11442231
    Abstract: An optical midplane includes an airframe having a first side on which first modules are disposed and a second side on which second modules are disposed. The airframe is to provide for optimized airflow through the first modules disposed on the first side. A plurality of optical connectors are disposed at respective locations on the airframe to provide optical connectivity. Optical connectivity is provided between at least one of any first module disposed on the first side of the airframe and any second module disposed on the second side of the airframe, any first modules disposed on the first side of the airframe, and any second modules disposed on the second side of the airframe.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: September 13, 2022
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Kevin B. Leigh, John R. Grady
  • Holographic waveguide LIDAR
    Patent number: 11442151
    Abstract: A holographic waveguide LIDAR comprises a transmitter waveguide coupled to a beam deflector and a receiver waveguide coupled to a detector module. The transmitter waveguide contains an array of grating elements for diffracting a scanned laser beam into a predefined angular ranges. The receiver waveguide contains an array of grating elements for diffracting light reflected from external points within a predefined angular range towards the detector module.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: September 13, 2022
    Assignee: DigiLens Inc.
    Inventors: Milan Momcilo Popovich, Jonathan David Waldern, Alastair John Grant
  • Optical fiber structures and methods for beam shaping
    Patent number: 11435538
    Abstract: In various embodiments, optical fibers have arrangements of core, annular core, and cladding regions enabling variation of beam shape and/or beam parameter product and may be utilized for the processing (e.g., welding, cutting, drilling, etc.) of various workpieces.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: September 6, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Wang-Long Zhou, Francisco Villarreal-Saucedo
  • Cable fan-out arrangements and methods therefore
    Patent number: 11428888
    Abstract: A fanout arrangement includes a fanout body; a mesh sleeve; and an arrangement to hold the mesh sleeve to the fanout body. The fanout body may have one or more removable sheath organizers to retain the upjacketing for the fanned out optical fibers.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: August 30, 2022
    Assignee: COMMSCOPE TECHNOLOGIES LLC
    Inventors: James J. Solheid, Matthew J. Holmberg, Oscar Fernando Bran De León, Scott C. Sievers, David P. Percival, Jennifer Lynn Miller
  • Single port blindmate for fiber optic connectors
    Patent number: 11428875
    Abstract: A fiber optic connector assembly is mated with a bracket on a printed circuit board at one end and inserted into a backplane adapter that is adjacent a backplane. In particular a spring push in slidingly attached to the bracket and also to the housing of the fiber optic connector assembly. The housing of the fiber optic connector assembly insertable into the backplane adapter using passive alignment features. A fiber optic ferrule in the fiber optic connector assembly is biased in a forward direction by a spring in the spring push. At the same time the spring allows for movement of the spring push within the housing to allow for movement of the printed circuit board relative to the backplane adapter.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: August 30, 2022
    Assignee: US Conec Ltd.
    Inventors: Hiep V. Nguyen, Jason Higley, Darrell R. Childers, Michael E. Hughes
  • Methods of bonding an optical fiber to a substrate using a laser and assemblies fabricated by the same
    Patent number: 11422310
    Abstract: Methods for laser welding one or more optical fibers to a substrate and assemblies are disclosed. In one embodiment, a method of bonding an optical fiber to a substrate having at least one film layer on a surface of the substrate includes directing a laser beam into the optical fiber disposed on the at least one film layer. The optical fiber has a curved surface that focuses the laser beam to a focused diameter. The method further includes melting, using the focused diameter laser beam, a material of the substrate to create a laser bond area between the optical fiber and the surface of the substrate. The laser bond area includes laser-melted material of the substrate that bonds the optical fiber to the substrate. The at least one film layer has an absorption of at least 15% at a wavelength of the focused diameter laser beam.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: August 23, 2022
    Assignee: Corning Incorporated
    Inventors: Stephan Lvovich Logunov, Mark Alejandro Quesada, Alexander Mikhailovich Streltsov
  • High-density FAUs and optical interconnection devices and related methods
    Patent number: 11415753
    Abstract: A optoelectronic assembly is provided including a photonic integrated circuit (PIC) including at least one electronic connection element and plurality of waveguides disposed on a PIC face, a printed circuit board (PCB) including at least one PCB electronic connection element, which is complementary to the at least one electronic connection element of the PIC and the PIC is configured to be flip chip mounted to the PCB, a lidless fiber array unit including a support substrate having a substantially flat first surface and a signal fiber array including a plurality of optical fibers supported on the first surface, and an alignment substrate disposed on the PIC face and configured to align the plurality of optical fibers of the signal fiber array with the plurality of waveguides.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: August 16, 2022
    Assignee: Corning Research & Development Corporation
    Inventor: James Scott Sutherland