Patents Examined by Chad H. Smith
  • Patent number: 11543593
    Abstract: An optical device has a first photonic waveguide provided on a substrate, a second photonic waveguide provided on the substrate and extending side by side with the first photonic waveguide, and a looped waveguide continuously connecting the first photonic waveguide and the second photonic waveguide on the substrate, wherein a width of at least one of the first photonic waveguide or the second photonic waveguide varies continuously along an optical axis, between a first position located at a side opposite to the looped waveguide and a second position connected to the looped waveguide, and wherein cross sections of the first photonic waveguide and the second photonic waveguide are congruent at the second position, and are incongruent at the first position.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: January 3, 2023
    Assignee: FUJITSU OPTICAL COMPONENTS LIMITED
    Inventor: Akira Oka
  • Patent number: 11536955
    Abstract: A device (100) for the excitation of a fiber (150) comprises a first piezo bender actuator (110) and a second piezo bender actuator (120). The device (100) also comprises a connection part (130) which is arranged between the first piezo bender actuator (110) and the second piezo bender actuator (120). The device (100) also comprises a movable fiber (150) which is mounted to the connection part (130).
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: December 27, 2022
    Assignee: Blickfeld GmbH
    Inventor: Florian Petit
  • Patent number: 11531166
    Abstract: Optical connection systems, optical cable assemblies, and optical receptacle assemblies for optically coupling multiple optical fibers are disclosed. In one embodiment, an optical receptacle assembly includes a receptacle housing, wherein the receptacle housing defines a receptacle passage, and an adapter sleeve disposed within the receptacle passage of the receptacle housing. The adapter sleeve includes a sleeve passage and a sleeve inner threaded surface. The optical receptacle assembly further includes an adapter housing disposed within the receptacle passage having a first connector opening and a second connector opening, a first receptacle optical connector and a second receptacle optical connector. The first receptacle optical connector is disposed within the first connector opening of the adapter housing and the second receptacle optical connector is disposed within the second connector opening of the adapter housing.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: December 20, 2022
    Assignee: Corning Research & Development Corporation
    Inventors: Eric Ignatius, Michael Wimmer
  • Patent number: 11527338
    Abstract: A patch cord identification inspection system includes a patch cord having first and second connectors, which are coupled to both end parts of an optical fiber cable and are detachably connected to predetermined electronic devices and in which first and second light-emitting diode (LED) modules are respectively embedded. The patch cord identification inspection system includes an identification inspector selectively slidably and detachably coupled to any one of the first and second connectors and configured to identify and inspect electrical connection states of the first and second connectors on the basis of lighting states of the first and second LED modules.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: December 13, 2022
    Assignee: TALENTIS CORP.
    Inventors: Seong Jin Yun, Kyung Su Kim, Hee Min Kim
  • Patent number: 11519758
    Abstract: A method of detecting removal of a maintenance hatch includes transmitting an optical pulse along an optical fiber, wherein a first portion of the optical fiber is proximate to the maintenance hatch. The method further includes detecting backscatter light from the optical fiber using a sensor. The method further includes determining information related to the first portion of the optical fiber based on a comparison of the detected backscatter light and a trained model. The method further includes identifying whether the maintenance hatch has been removed based on the determined information.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: December 6, 2022
    Assignee: NEC CORPORATION
    Inventors: Naoto Ogura, Yukihide Yoda, Koyo Mori
  • Patent number: 11500151
    Abstract: A semiconductor arrangement is provided and includes a first dielectric layer over an optical device. A first metallization layer is over the first dielectric layer, and a first conductive line is in the first metallization layer. A first conductive via is in the first metallization layer and contacts the first conductive line. A second metallization layer is over the first metallization layer. A second conductive line is in the second metallization layer and contacts the first conductive via at a first interface. A heater is over the optical device and has a lowermost surface below the first interface and an uppermost surface above the first interface.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: November 15, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventor: Chan-Hong Chern
  • Patent number: 11498694
    Abstract: An aircraft and method of operating an aircraft. The aircraft includes a temperature sensor and a processor. The temperature sensor that obtains an optical signal indicative of a temperature at a selected location of an outer surface of the aircraft. The processor is configured to determine the temperature at the selected location from the optical signal, and operate the aircraft based on the temperature at the selected location.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: November 15, 2022
    Assignee: Lockheed Martin Corporation
    Inventors: Jordan Alex Kaye, Alexander Quinn Weintraub, Jeffrey K. Parkhurst
  • Patent number: 11497384
    Abstract: An optical fibre having a functionalised distal exploration end including a sheath, and a ferrule rigidly connected to the sheath at the distal exploration end, characterised in that the distal exploration end has a functionalised head which is removably attached on the ferrule. Also, a method of assembling the optical fibre.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: November 15, 2022
    Assignees: KAMAX INNOVATIVE SYSTEM, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITÉ DE LIMOGES
    Inventors: Jérôme Desroches, Olivier Baudet, Martine Lejeune, Romain Trihan, Fabrice Lalloue
  • Patent number: 11500159
    Abstract: A first optical waveguide layer and a second optical waveguide layer are optically connected by a resin optical waveguide composed of a resin core composed of a light-transmitting resin and a cladding composed of air surrounding the resin core. A hollow outer wall structure that houses the resin optical waveguide is provided. An enclosed space is provided inside the outer wall structure. The outer wall structure is disposed to bridge the gap between the first optical device and the second optical device.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: November 15, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kota Shikama, Yuko Kawajiri, Atsushi Aratake
  • Patent number: 11493761
    Abstract: An imaging apparatus for forming dual virtual images includes a planar waveguide, an in-coupling diffractive optic that directs a set of image-bearing light beams into the waveguide, and an out-coupling diffractive optic that directs the set of image-bearing light beams from the waveguide toward a viewer eyebox. The out-coupling diffractive optic includes an array of contiguous diffractive zones, each of which has a set of diffractive features having at least one of a common orientation and a common pitch. A succession of the zones along one dimension of the array have respective sets of diffractive features that progressively vary in at least one of orientation and pitch in a stepwise manner. The out-coupling diffractive optic is arranged together with the array of contiguous diffractive zones for forming a virtual image that is viewable from the eyebox at a near focus distance.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: November 8, 2022
    Assignee: Vuzix Corporation
    Inventors: Robert J. Schultz, Marek W. Kowarz, Paul J. Travers
  • Patent number: 11488734
    Abstract: Disclosed are an electrical penetration assembly, a manufacturing method thereof, and an electrical penetration device, which relate to the technical field of electrical penetration.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: November 1, 2022
    Assignee: TSINGHUA UNIVERSITY
    Inventors: He Yan, Xingzhong Diao, Zhichun Fan, Yong Zhang, Haitao Wang, Yujie Dong, Zuoyi Zhang
  • Patent number: 11487065
    Abstract: Devices having at least one connector port associated with a rotating securing features are disclosed. A device for making optical connections comprising a shell, at least one connection port, and at least one rotating securing feature is disclosed. In one embodiment, the at least one connection port is disposed on a device with at the least one connection port comprising an optical connector opening extending from an outer surface of the device into a cavity of the device and defining a connection port passageway. The at least one rotating securing feature is associated with the connection port passageway, and the at least one rotating securing feature is secured to the device along a rotational axis that is not aligned with a longitudinal axis of the at least one connection port.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: November 1, 2022
    Assignee: Corning Research & Development Corporation
    Inventors: Thierry Luc Alain Dannoux, Felice Scotta
  • Patent number: 11474299
    Abstract: Disclosed herein are wavelength-division multiplexing devices using different angles of incidence (AOIs) at the WDM filters to provide for variable placement and orientation of WDM filters and channel ports, thereby decreasing the device footprint and allowing for shorter overall optical signal paths to increase signal performance and reliability. Also disclosed are stacked WDM filters for increased signal isolation.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: October 18, 2022
    Assignee: Alliance Fiber Optic Products, Inc.
    Inventors: Dong Gui, Yao Li, Shudong Xiao, Andy Fenglei Zhou
  • Patent number: 11467434
    Abstract: Thermal isolation elements are provided in wafer-bonded silicon photonics that include a photonic platform, including a heating element and an optical waveguide that are disposed between a first surface and a second surface (opposite to the first surface) of the photonic platform; a substrate, including a third surface and a fourth surface (opposite to the third surface); wherein the first surface of the photonic platform is bonded to the third surface of the substrate; and wherein a cavity is defined by a trench in one or more of: the first surface and extending towards, but not reaching, the second surface, and the third surface and extending towards, but not reaching, the fourth surface; wherein the cavity is filled with a gas of a known composition at a predefined pressure; and wherein the cavity is aligned with the optical waveguide and the heating element.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: October 11, 2022
    Assignee: Cisco Technology, Inc.
    Inventor: Jock T. Bovington
  • Patent number: 11467353
    Abstract: A fiber optic ferrule includes a body extending from a first end to a second opposite end, with the body including an axial passage extending between the first and the second ends. The axial passage includes a first diameter portion having a diameter of at least 125 microns, a second diameter portion having a diameter of at least 250 microns and less than a diameter of a buffer, and a smooth and continuous transition between the first and the second diameter portions. The second diameter portion is positioned between the first diameter portion and the second end. The axial passage further defines a tapered shape at the second end extending inward from the second end toward the second diameter portion. In certain embodiments, another smooth and continuous transition can be provided between the taper shape and the second diameter portion. In certain embodiments, the axial passage is smooth and continuous between the first and the second ends of the body. A hub holds the ferrule.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: October 11, 2022
    Assignee: COMMSCOPE TECHNOLOGIES LLC
    Inventor: Steven C. Zimmel
  • Patent number: 11459831
    Abstract: An anchoring assembly for securing a cable having both an optical fiber and an electrical conductor in order to provide a conductive pathway to a downhole tool. The anchoring assembly has a head and tail each having a throughbore with anchor receiving portions. An anchor with a deformable portion maybe inserted into the anchor receiving portions and the head and tail drawn together about the anchor. The anchor receiving portions have a narrowing diameter, which, upon abutment with the anchor causes the deformable portion of the anchor to deflect inward and secure a cable inserted therein. A conductive body is provided in the head or tail for coupling with the cable and providing a conductive pathway to a downhole tool.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: October 4, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Michael Kevin Sipple, Shubhangi Bhimraj Dalavi
  • Patent number: 11460658
    Abstract: A cassette for optical fiber includes one or more optical sensors. The cassette has a spool for handling optical fiber. An adjustable shaft is disposed such that the spool is configured to rotate about the adjustable shaft. The adjustable shaft is configured to handle spools having different diameters. A spool controller is coupled to the adjustable shaft and configured to rotate the adjustable shaft to perform one or more of extract and retract the optical fiber. One or more bushings are disposed proximate the spool and are configured to prevent the optical fiber from jumping off the spool.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: October 4, 2022
    Assignee: Palo Alto Research Center Incorporated
    Inventors: Jacob N. Chamoun, Qiushu Chen, Peter Kiesel, Mark R. Teepe, Kyle Arakaki
  • Patent number: 11454757
    Abstract: A planar waveguide having M×N number of cores and to which M number of fibers having N number of cores are connected. In the planar waveguide, in a connecting end surface of the planar waveguide to which the fibers are connected, P number of fibers having Q number of cores are connected, M×N is equal to P×Q, the planar waveguide includes a plurality of the cores arranged in a horizontal direction at the same height position in the planar waveguide, and a laminated structure having the cores at different positions in a height direction, so as to be aligned with the cores of the fibers connected to the connecting end surface, and the positions of the M×N number of cores are constant in the height direction, and change only in the horizontal direction.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: September 27, 2022
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Taiji Sakamoto, Yoshiteru Abe, Kazuhide Nakajima
  • Patent number: 11454831
    Abstract: An optical device according to the embodiment of the inventive concept includes a waveguide path including a light generation region, a wavelength variable region, and a light modulation region, a first light waveguide layer provided in the light generation region to generate light, a second light waveguide layer provided in the wavelength variable region and connected to the first light waveguide layer, a ring-shaped third light waveguide layer provided in the light modulation region and connected to the second light waveguide layer, and first and second light modulation electrodes spaced apart from each other with the light modulation region therebetween. Here, the first light modulation electrode, the third light waveguide layer, and the second light modulation electrode vertically overlap each other.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: September 27, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Oh Kee Kwon, Kisoo Kim, Su Hwan Oh, Chul-Wook Lee
  • Patent number: 11435521
    Abstract: An optical fiber array, wherein a preset number of optical fibers (13) are fixed by a substrate (12) and a lid plate (11) each provided with V-grooves, and the distribution of fiber cores of the preset number of optical fibers (13) on a port cross-section of the optical fiber array matches a preset curve, such that light beams transmitted and output through the optical fiber array are not transmitted on the same plane, and correspond to required positions on the preset curve. Accordingly, the optical fiber array meets application requirements of a novel WSS system, and can be widely used in the novel WSS system and in other scenarios having special requirements of light beam positions.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: September 6, 2022
    Assignee: WUHAN YILUT TECHNOLOGY CO., LTD.
    Inventors: Jingnong Cai, Zhiheng Zhang