Optical Transmission Cable Patents (Class 385/100)
  • Patent number: 11059747
    Abstract: A light diffusing optical fiber includes a glass core, a cladding, a phosphor layer surrounding the cladding, and a plurality of scattering structures positioned within the glass core, the cladding, or both. The phosphor layer includes two or more phosphors and is configured to convert guided light diffusing through the phosphor layer into emission light such that the color of the emission light has a chromaticity within a u?-v? chromaticity region on a CIE 1976 chromaticity space defined by: a first u?-v? boundary line and a second u?-v? boundary line that extend parallel to a planckian locus at a distance of ±0.02 Duv from the planckian locus, a third u?-v? boundary line that extends along an isothermal line for a correlated color temperature of about 2000 K, and a fourth u?-v? boundary line that extends along an isothermal line for a correlated color temperature of about 10000 K.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 13, 2021
    Assignee: Corning Incorporated
    Inventors: Stephan Lvovich Logunov, Manuela Ocampo
  • Patent number: 11047767
    Abstract: An optical fiber characteristic measurement device includes: a detector that detects Brillouin scattered light obtained by causing light to be incident on an optical fiber under test; a spectrum analyzer that obtains a Brillouin gain spectrum from the Brillouin scattered light; and a spectrum analyzing controller that: measures a characteristic of the optical fiber under test by analyzing the Brillouin gain spectrum to obtain a peak frequency of the Brillouin gain spectrum, and changes a frequency range used by the spectrum analyzer to obtain the Brillouin gain spectrum according to the peak frequency.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: June 29, 2021
    Assignee: YOKOGAWA ELECTRIC CORPORATION
    Inventor: Osamu Furukawa
  • Patent number: 11044014
    Abstract: The present disclosure relates to a fiber optic network configuration having an optical network terminal located at a subscriber location. The fiber optic network configuration also includes a drop terminal located outside the subscriber location and a wireless transceiver located outside the subscriber location. The fiber optic network further includes a cabling arrangement including a first signal line that extends from the drop terminal to the optical network terminal, a second signal line that extends from the optical network terminal to the wireless transceiver, and a power line that extends from the optical network terminal to the wireless transceiver.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: June 22, 2021
    Assignee: CommScope Technologies LLC
    Inventors: Trevor D. Smith, Yu Lu, Wayne M. Kachmar
  • Patent number: 11029477
    Abstract: Provided is an optical fiber cable that is easier to be laid and enables higher-density packaging than an existing cable. This optical fiber cable is a slotless type optical fiber cable including: an optical unit formed by collecting and twisting a plurality of optical fibers or ribbons each formed by arranging the plurality of optical fibers; a cable core housing the optical unit; and a cable jacket provided around the cable core, and a tension member made of a fiber body within the cable core.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: June 8, 2021
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Fumiaki Sato, Yoshiaki Nagao, Ryoei Oka, Ken Takahashi, Takao Hirama
  • Patent number: 11022769
    Abstract: The present invention relates to a pre-terminated (pre-terminated) optical fibre cable assembly (10,90), which is configured to be installed through a duct (20). The pre-terminated optical fibre construction (10,90) includes at least one optical fibre (46). A protective sleeve (26) is added to the optical fibre (46) before adding a terminal connector (24) to the leading end of at least one optical fibre (46). The protective sleeve (26) extends from behind the terminal connector (24) along part of the length of the optical fibre (46). When the cable is installed through a duct, the protective sleeve protects the portion of the fibre that protrudes from the end of the duct, for example in a communications cabinet (16). A residual length (28) of the protective sleeve remains within the duct. Terminal connectors and protective sleeves can be applied at both ends of the cable assembly, or only one end.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: June 1, 2021
    Assignee: EMTELLE UK LIMITED
    Inventor: Eben Colin Kirkpatrick
  • Patent number: 11016256
    Abstract: A flame-retardant optical cable is disclosed which includes a polymeric central loose tube housing optical fibres, a metallic armour surrounding the polymeric central loose tube, and a multi-layered sheath surrounding and in direct contact with the metallic armour. The multi-layered sheath includes an inner layer, an intermediate layer, and an outer layer, all made of a LSoH flame-retardant material. The LSoH flame-retardant material of the intermediate layer has a limiting oxygen index (LOI) higher than the LOI of the LSoH flame-retardant material of the inner layer and of the outer layer. Such cable has improved flame-retardant properties, particularly in terms of slowing flame propagation, heat release, droplets and emission of smokes, when it is exposed to flames during fire.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: May 25, 2021
    Assignee: PRYSMIAN S.P.A.
    Inventors: Zekeriya Sirin, Baris Soenmez
  • Patent number: 11002934
    Abstract: A fiber optic connection assembly for fiber to the home, comprising: a fan-out member; a multi-fiber optical cable having a first end introduced into the fan-out member and a second end extending out of the fan-out member; a multi-fiber optic connector connected to the second end of the multi-fiber optical cable; a plurality of single-fiber optical cables each having a first end introduced into the fan-out member and spliced with a respective one of fibers of the multi-fiber optical cable and a second end extending out of the fan-out member; and a plurality of single-fiber optic connectors connected to the second ends of the single-fiber optical cables, respectively; a plurality of first fiber optic adapters mated with the plurality of single-fiber optic connectors, respectively; and a plurality of outer shields each constructed to receive the connector and the adapter of a respective single-fiber optical cable therein, wherein the outer shield is hermetically fitted on the connector and the adapter of the re
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: May 11, 2021
    Assignee: CommScope Telecommunications (Shanghai) Co. Ltd.
    Inventors: Zhengbin Wang, Wenyong Fan, Jianfeng Jin, Xin Tian, Liming Wang
  • Patent number: 10998977
    Abstract: A system includes (i) an optical link including multiple spans of optical fiber and multiple network elements and (ii) at least one switch configured to reverse a direction that at least one of the network elements communicates over the optical link.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: May 4, 2021
    Assignee: Neptune Subsea IP Limited
    Inventor: Herve A. Fevrier
  • Patent number: 10996413
    Abstract: A fire-resistant optical fibre cable includes a core having a central strength member and buffer tubes arranged around the central strength member. Each buffer tube contains optical fibres. A mica layer is arranged around the core. A glass yarn layer surrounds and is in direct contact with the mica layer. Metal armour surrounds the glass yarn layer. A multi-layered sheath surrounds and is in direct contact with the armour. The sheath includes a first layer, a second layer surrounding and in contact with the first layer, and a third layer in a radial inner position with respect to the first layer and in direct contact thereto. The first, second and third layers are made of LS0H flame-retardant material. The LS0H material of the first layer has an LOI higher than the LOI of the LS0H material of the second and third layers. The second layer is the cable outermost layer.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: May 4, 2021
    Assignee: Prysmian S.p.A.
    Inventors: Zekeriya Sirin, Baris Sönmez, Can Altingoz
  • Patent number: 10983295
    Abstract: An optical cable comprising an optical core and an external sheath surrounding the optical core, wherein the external sheath comprises an inner layer circumferentially enclosing the optical core and an outer layer circumferentially enclosing the inner layer and comprising at least one longitudinal cavity accessible from outside the external sheath and extending through at least a portion of the outer layer thickness. The inner and outer layers of the external sheath are made of a first material having a first tensile strength, while the cavities in the outer layer are filled with a second material having a second tensile strength lower than the first tensile strength.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: April 20, 2021
    Assignee: PRYSMIAN S.p.A.
    Inventors: Ralph Sutehall, Martin Vincent Davies, Ian Dewi Lang
  • Patent number: 10921541
    Abstract: The present disclosure provides an optical waveguide cable. The optical waveguide cable includes one or more optical waveguide bands positioned substantially along a longitudinal axis of the optical waveguide cable. The optical waveguide cable includes one or more layers substantially concentric to the longitudinal axis of the optical waveguide cable. The one or more layers include a cylindrical enclosure. The one or more optical waveguide bands include a plurality of light transmission elements. The density of the cylindrical enclosure is at most 0.935 gram per cubic centimeter. The optical waveguide cable has a waveguide factor of about 44%. The one or more optical waveguide bands are coupled longitudinally with the cylindrical enclosure.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: February 16, 2021
    Assignee: STERLITE TECHNOLOGIES LIMITED
    Inventors: Venkatesh Murthy, Kishore Sahoo, Sravan Kumar Peraka, Atul Mishra, Pavan Kumar Moturu, Kavya Chintada
  • Patent number: 10921539
    Abstract: An optical fiber includes an integrated detector in the form of phosphors that emit light of a characteristic frequency or wavelength in response to leakage, through the fiber cladding, of light having an interrogation wavelength ?1. Stimulation of phosphor emission by the interrogation light is indicative of aging or wear on the layers surrounding the cladding, and therefore can be used to assess the risk of imminent breakage of the fiber.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: February 16, 2021
    Inventor: Joe Denton Brown
  • Patent number: 10910809
    Abstract: The invention relates to an attenuation element and to a cable including an attenuation element. The attenuation element includes a resiliently deformable body having a first end and a second end opposite the first end. The body has a length that is defined by the distance between the first end and the second end in a direction parallel to a longitudinal axis of the body. The body has at least one cavity, which extends from the first end to the second end. The at least one cavity is provided in the body in such a way that the length of the at least one cavity is greater than the geometric length.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: February 2, 2021
    Assignee: LEONI KABEL GMBH
    Inventors: Peter Lehmann, Philipp Knauer
  • Patent number: 10883860
    Abstract: An optical fiber sensor includes: a central core disposed at a center of an optical fiber; and an outer peripheral core that spirally surrounds the central core. The effective refractive index ne2 of the outer peripheral core is lower than the effective refractive index ne1 of the central core. A ratio between the effective refractive index ne2 and the effective refractive index ne1 matches a ratio between an optical path length of the central core and an optical path length of the outer peripheral core.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: January 5, 2021
    Assignee: Fujikura Ltd.
    Inventors: Kenichi Ohmori, Koji Omichi, Shingo Matsushita, Kentaro Ichii
  • Patent number: 10871621
    Abstract: A fiber-optic cable having optical fibers that are arranged as a rollable ribbon. Water-swellable material (e.g., superabsorbent liquid, superabsorbent powder, superabsorbent adhesive, etc.) is applied directly to the rollable ribbon, thereby eliminating the need to incorporate conventional water-absorbing yarns, tapes, or other such similar materials. The rollable ribbon is surrounded by a tube, with a dielectric strength member positioned external to the tube and substantially parallel to the tube. A jacket, with a ripcord along a substantial length of the jacket, surrounds the tube. Also taught is a process for manufacturing a rollable-ribbon fiber-optic cable, in which a water-swellable material is applied directly to the rollable ribbon, thereby eliminating the need to incorporate conventional water-absorbing yarns, tapes, or other such similar materials.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: December 22, 2020
    Assignee: OFS FITEL, LLC
    Inventors: Harold P Debban, Peter A Weimann, Heng Ly
  • Patent number: 10845556
    Abstract: An optical fiber cable includes optical fiber ribbons, a slot rod and a cable jacket. The slot rod has slot grooves in which the optical fiber ribbons are housed. The cable jacket covers an outside of the slot rod. The optical fiber ribbons have, in a state in which optical fibers having an outer diameter of 0.22 mm or less are arranged in parallel, connecting portions at which adjacent ones of the optical fibers are connected to one another and non-connecting portions at which adjacent ones of the optical fibers are not connected to one another, which are provided intermittently in a longitudinal direction. A density of core number of the optical fibers included in the optical fiber cable is 4.8 cores/mm2 or more in a cross section of the optical fiber cable.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: November 24, 2020
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Fumiaki Sato, Taro Fujita, Nayu Yanagawa, Yoshiaki Nagao, Nobuyuki Suzuki
  • Patent number: 10845548
    Abstract: A connector assembly includes an adapter, a housing device, a ferrule assembly, and a sensor. The housing device is received by the adapter and has a bore, a front end, and a rear end opposite the front end. A ferrule of the ferrule assembly is within the bore of the housing device and has a mating end extending beyond the front end of the housing device. The sensor is mounted on the rear end of the housing, the rear end of the ferrule assembly, or on the adapter confronting and spaced apart from the housing device or the ferrule assembly. The sensor is configured for detecting a force applied by the housing device or the ferrule assembly, respectively. An electrical characteristic of the sensor changes to indicate a predetermined force has been applied by the housing device or the ferrule assembly, respectively.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: November 24, 2020
    Assignee: Go!Foton Holdings, Inc.
    Inventors: Kenichiro Takeuchi, Haiguang Lu, Chi Kong Paul Ng
  • Patent number: 10812190
    Abstract: Provided is an Active Optical Cable (AOC) device for short-range optical communication. The AOC device includes an electrical wire between a transmitter and a receiver for the feedback of a monitoring signal from the receiver. The receiver further includes a monitoring circuit to control the compensation of a high frequency component of an equalizing filter, acquire the result of receiving signal size determination and a high frequency component compensation from the equalizing filter, and perform the feedback of the acquired monitoring signal to the transmitter through the electrical wire. The transmitter further includes a transmitter control circuit to receive the feedback monitoring signal from the receiver through the electrical wire and control a high frequency component control code of the high frequency component control circuit and an optical signal output size control code of the optical device driving circuit based on the received monitoring signal.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: October 20, 2020
    Assignee: QUALITAS SEMICONDUCTOR CO., LTD.
    Inventor: Duho Kim
  • Patent number: 10796822
    Abstract: A gas blocking cable includes cabled wires, where each wire includes cabled conductors having interstitial areas there between. An insulation material circumferentially surrounds the cabled conductors and a conductor filling material is positioned within the interstitial areas between conductors. A shield circumferentially surrounds the cabled wires so that a cable is formed with areas between the wires. A wire filling material is positioned within the areas between the wires. Each of the conductor filling material and wire filling material is inert, non-flammable and able to withstand a temperature of at least approximately 200° C.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: October 6, 2020
    Assignee: TE Wire & Cable LLC
    Inventors: Mathew J. Nadakal, Gregory J. Smith
  • Patent number: 10788629
    Abstract: The present disclosure relates to systems and method for deploying a fiber optic network. Distribution devices are used to index fibers within the system to ensure that live fibers are provided at output locations throughout the system. In an example, fibers can be indexed in multiple directions within the system. In an example, fibers can be stored and deployed form storage spools.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: September 29, 2020
    Assignee: CommScope Technologies LLC
    Inventors: Paul Kmit, Thomas Parsons, Erik J. Gronvall, Douglas C. Ellens, Panayiotis Toundas, Timothy G. Badar, Trevor D. Smith, Thomas G. LeBlanc, Todd Loeffelholz
  • Patent number: 10785136
    Abstract: A method and apparatus for providing a tracer function for networked cable systems used for data or power transmission. A self contained and self powered indicator circuit is described that enables tracing the location of both ends of a networked cable.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: September 22, 2020
    Assignee: MERTEK INDUSTRIES, LLC
    Inventors: Christopher Briand Scherer, Jonathan Keith Sholtis
  • Patent number: 10775557
    Abstract: An optical fiber includes an outer diameter less than 220 ?m, a glass fiber that includes a glass core and a glass cladding, a primary coating, and a secondary coating. The glass cladding surrounds and is in direct contact with the glass core. The primary coating surrounds and is in direct contact with the glass fiber. The primary coating can have a Young's modulus less than 0.5 MPa and a thickness less than 30.0 ?m. The secondary coating surrounds and is in direct contact with the primary coating. The secondary coating can have a thickness less than 27.5 m. A pullout force of the optical fiber can be less than a predetermined threshold when in an as-drawn state. The pullout force may increase by less than a factor of 2.0 upon aging the primary and secondary coatings on the glass fiber for at least 60 days.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: September 15, 2020
    Assignee: Corning Incorporated
    Inventors: Ching-Kee Chien, Pushkar Tandon, Ruchi Tandon
  • Patent number: 10774247
    Abstract: The present invention provides a one-component type thermosetting adhesive composition used as an automotive structural adhesive having high damping performance without reducing adhesive strength and having excellent low-temperature curability and a body structure for vehicle, on which the one-component type thermosetting adhesive composition is applied. The present invention relates to a one-component type thermosetting adhesive composition comprising an epoxy resin and an amine-based latent curing agent, wherein the epoxy resin comprises: (1) a dibasic acid ester-based epoxy resin, (2) a butadiene-acrylonitrile copolymer modified epoxy resin, and (3) an unmodified bisphenol A type epoxy resin, and wherein a thermally cured product formed from the composition has: a loss tangent tan ? at 23° C. of not less than 0.2 as a damping performance, and a Young's modulus of not less than 50 MPa, and a body structure for vehicle, on which the one-component type thermosetting adhesive composition is applied.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: September 15, 2020
    Assignees: SUNSTAR ENGINEERING INC., MAZDA MOTOR CORPORATION
    Inventors: Takatomi Nishida, Shohei Yanagisawa, Katsuya Himuro, Kenichi Yamamoto, Motoyasu Asakawa, Tomoya Yoshida
  • Patent number: 10767421
    Abstract: Composite cables suitable for use in conjunction with wellbore tools. One cable may include a polymer composite that includes dopants dispersed in a polymer matrix and continuous fibers extending along an axial length of the cable through the polymer matrix, wherein the cable is characterized by at least one of the following: (1) at least a portion of the cable having a density greater than about 2 g/cm3, wherein at least some of the dopants have a density of about 6 g/cm3 or greater, (2) at least a portion of the cable having a density less than about 2 g/cm3, wherein at least some of the dopants have a density of about 0.9 g/cm3 or less, (3) at least some of the dopants are ferromagnetic, or (4) at least some of the dopants are hydrogen getters.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: September 8, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sean Gregory Thomas, Michael Fripp
  • Patent number: 10739542
    Abstract: In various embodiments, an optical fiber module including an optical fiber having a first end, a second end, and a twisted portion between the first and second ends to enable the optical fiber to provide two orthogonal transverse bending degrees of freedom. The twisted portion induces an optical distortion. The module further includes a distortion compensation arrangement that is configured to at least partially compensate for the optical distortion and a housing that is configured to house at least a portion of the optical fiber including the twisted portion.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: August 11, 2020
    Assignee: Raytheon Company
    Inventors: Ray E. McVey, David A. Rockwell
  • Patent number: 10718897
    Abstract: An object is to provide an optical fiber transmission system that has a structure for effectively reducing inter-mode XT while reducing an increase in processing load in a MIMO configuration. For a transmission line that allows propagation of at least three degenerate spatial mode groups in at least one core or core group, an embodiment of crosstalk reducing means limits input of an optical signal to at least one of spatial mode groups having a transmission loss of 1 dB/km or less, except a spatial mode group having the smallest propagation constant.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: July 21, 2020
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Tetsuya Hayashi
  • Patent number: 10717860
    Abstract: The present invention provides a polyvinyl chloride-based resin molded product obtained by molding a resin mixture containing 3 to 15 parts by weight of calcium carbonate having an average primary particle size of 0.01 to 0.3 ?m and 2 to 4 parts by weight of an impact modifier per 100 parts by weight of a polyvinyl chloride-based resin, wherein a Charpy impact strength at 23° C. is 20 kJ/m2 or more, and a weight reduction ratio is 1.5 mg/cm2 or less when the molded product is immersed in a 93% by weight sulfuric acid aqueous solution for 14 days in accordance with JIS K 6745, and a method for manufacturing the polyvinyl chloride-based resin molded product.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: July 21, 2020
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventor: Toshiki Kawabata
  • Patent number: 10718921
    Abstract: A modular optical fiber distribution unit and related distribution system is provided. The distribution unit includes a shifted fiber arrangement that allows for modular network assembly. For example, the distribution unit includes a distribution body including a plurality of body optical fibers and a field optical fiber leg including a plurality of field optical fibers including at least one active field optical fiber and at least one inactive field optical fiber. Each active field tether optical fiber is optically coupled to one of the body optical fibers and at least one body optical fiber is not coupled to an active field optical fiber. The positioning of the active and inactive field tether optical fibers in a predetermined manner disclosed herein allows for modular network assembly.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: July 21, 2020
    Assignee: CORNING OPTICAL COMMUNICATIONS LLC
    Inventor: Diego David Torres
  • Patent number: 10678009
    Abstract: An optical fiber cable includes a cable jacket, a plurality of buffer tubes arranged on the inside of the cable jacket, a plurality of optical fibers arranged on the inside of each buffer tube, and a fire-retardant material having intrinsic tire-retarding properties. The fire-retardant material may be a filling material disposed between the cable jacket and the buffer tubes.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: June 9, 2020
    Assignee: CORNING OPTICAL COMMUNICATIONS LLC
    Inventors: Emanuela Gallo, Gerhard Merbach, Waldemar Stöcklein
  • Patent number: 10673058
    Abstract: A battery technology, and more particularly, a current collector may be widely used in secondary batteries, and an electrode may employ such technology. The current collector includes a conductive fiber layer including a plurality of conductive fibers. Each of the conductive fibers includes a conductive core including a plurality of metal filaments, and a conductive binder matrix surrounding the outer circumferential surfaces of the conductive core.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: June 2, 2020
    Assignee: JENAX INC.
    Inventors: Yong Min Lee, Myung-Hyun Ryou, Seonghyun Song, Jaecheol Choi, Chang Hyeon Kim
  • Patent number: 10641973
    Abstract: According to one embodiment, a system includes a signaling connector comprising one or more wires. Each wire is capable of transmitting signaling between first and second components of an information handling system. A light-pipe is provided with the signaling connector. The light-pipe is capable of conveying light from one end of the signaling connector to another end of signaling connector so that the signaling connector can be traced.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: May 5, 2020
    Assignee: Dell Products L.P.
    Inventors: Gurudath Harikrishna Shenai, Praveen S. Lalgoudar, Saujanya Golwelkar, Vinay Sawal
  • Patent number: 10634852
    Abstract: A water-cooled package of a fiber-optic transport head comprising a delivery optical fiber (DOF), an interface optics, an end plug, a waterproof tube, and a housing operates for delivering a high-power laser light from DOF to free space. The interface optics is fusion-spiced with a section of DOF with a cladding exposed whereas the section of DOF is enclosed in a bore of the waterproof tube. In one embodiment, the waterproof tube comprises a first set of internal threads comprising a first helix angle and a first tooth height. In another embodiment, the housing comprises a second set of internal threads comprising a second helix angle and a second tooth height. Either one of the first set and the second set of internal threads facilitates thermal dispersion, effectively reducing temperature on the housing.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: April 28, 2020
    Assignee: LIGHTEL TECHNOLOGIES, INC.
    Inventors: Chungho Hsia, Pai-Sheng Shen
  • Patent number: 10627590
    Abstract: A method of sealing an optical cable is disclosed. The optical cable includes an outer jacket defining an interior space, an optical fiber assembly disposed in the interior space, and a plurality of reinforcing filaments disposed in the interior space between the outer jacket and the optical fiber assembly. The method includes the steps of peeling off one end of the outer jacket to expose one end of the optical fiber assembly and one ends of the reinforcing filaments, and introducing an adhesive into the interior space through an opening formed in the outer jacket when the one end of the outer jacket is peeled off so as to seal the opening and to fix the positions of the reinforcing filaments and the optical fiber assembly.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: April 21, 2020
    Assignee: Amphenol Fiber Optic Technology (Shenzhen) Co., Ltd.
    Inventors: Jun Wen, Songsheng Li, Anh Nguyen, Shu-Hui Hsu
  • Patent number: 10611682
    Abstract: A process for manufacturing an optical fibre unit for air-blown installations includes: providing a deposition chamber for applying particulate material, the deposition chamber having an inlet end and an outlet end and a longitudinal axis; passing through the deposition chamber an optical fibre assembly including at least one optical fibre embedded in an inner layer of cured resin material, and having an outer layer around the inner layer, the outer layer including uncured resin material; injecting a flow of fluid and particle material in the chamber in a direction substantially parallel to the chamber longitudinal axis, at an injection speed of 5 m/s at most; perturbing the flow when in the chamber, thus causing the particle material to impact and partially embed into the outer layer of the optical fibre assembly; and curing the outer layer.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: April 7, 2020
    Assignee: PRYSMIAN S.P.A.
    Inventors: Mark Richard Mason, Ian Dewi Lang
  • Patent number: 10606019
    Abstract: A breakout assembly for transitioning a multi-fibre optical cable into one or more individual fibres is disclosed. The breakout assembly includes a first housing segment engageable at a first end to the cable and engageable at a second end with one or more furcation tubes that each receive an individual fibre from the cable, and a second housing segment engageable at a first end to the cable and engageable at a second end with one or more furcation tubes that each receive an individual fibre from the cable. The first housing segment is securable to the second housing segment so as to encapsulate at least a portion of the individual fibres as they break out from the cable.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: March 31, 2020
    Assignee: CommScope Technologies Australia Pty Ltd
    Inventor: Benjamin Field
  • Patent number: 10563147
    Abstract: Flooding compounds for telecommunications cables. Such flooding compounds contain a polyolefin elastomer and a hydrocarbon oil. The polyolefin elastomer has a crystallinity ranging from 10 less than 50 weight percent and a dynamic viscosity of 50,000 centipoise or less at 177° C. The hydrocarbon oil has a kinematic viscosity of 200 centistokes or less at 40° C.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: February 18, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Yichi Zhang, Mohamed Esseghir, Chester J. Kmiec, Yi Jin, Selim Yalvac
  • Patent number: 10564710
    Abstract: An AV signal input/output system includes an AV signal output device, an AV signal input device, and a cable which connects between the devices. The AV signal output device includes an existing interface, an optical interface, a selection output controller which selects existing interface differential signals or optical output signals, and outputs an AV signal, and an information identification unit which reads out information of the connected destination of a connector through existing interface signal lines. The information identification unit includes an optical information identification unit which identifies optical information. The AV signal input device includes an existing interface, an optical interface, a selection input controller which selects existing interface differential signals or optical input signals, and outputs an AV signal, and information storage which causes a connector to read out information through existing interface signal lines.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: February 18, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Satoshi Takahashi, Naoshi Usuki, Toshiroh Nishio
  • Patent number: 10564375
    Abstract: An optical and electrical composite multimedia cable including: an optical unit including a plurality of optical fibers and an optical-fiber protective layer, the optical-fiber protective layer formed by filling gaps between the optical fibers with curable resin and covering outer sides of the optical fibers with the curable resin and then curing the curable resin; a plurality of conductor units each including a conductor and an insulator covering the conductor; and an outer jacket provided around the optical unit and the conductor units.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: February 18, 2020
    Assignee: LS CABLE & SYSTEM LTD.
    Inventors: Man-Su Lee, Yu-Hyoung Lee, Young-Ho Jun, Tae-Kyung Yook
  • Patent number: 10558005
    Abstract: The specification relates to a fiber optic cable assembly. The fiber optic cable assembly includes: an outer jacket, the outer jacket being made from polyethylene; a pull material, the pull material being made from aramid and water blocking fibers; a push body, the push body being made from a rigid material so that the fiber optic cable assembly can be pushed without bending; and at least one fiber optic fiber.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: February 11, 2020
    Assignee: SMLZ, INC.
    Inventors: Christian A. Peterson, III, Barry Skolnick, Roman Krawczyk
  • Patent number: 10548682
    Abstract: An illumination system includes a surgical tool and an attachable cannula comprising a transparent or semi-transparent material capable of carrying light from the proximal end to the distal end of the cannula, thereby illuminating the surgical field through components that do not occupy space that may otherwise be used for optics of the tool. The illumination system further comprises one or more illumination sources disposed at the proximal end. The illumination source may be optically coupled with the cannula at the hub or other appropriate location. The cannula comprises a sterilizable polymer which functions as a waveguide. A waveguide is a material medium that confines and guides light. When in use, the light source connected to the hub provides light which may be guided to the distal end of the cannula or any other suitable location. Thus, the sheath provides structure-guided illumination resulting in the illumination of the surgical site.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: February 4, 2020
    Assignee: Invuity, Inc.
    Inventors: Alex Vayser, Kenneth B. Trauner, Jonathan G. Gasson, Thomas L. Grey
  • Patent number: 10541504
    Abstract: An active optical fibre, including: a core; an inner cladding substantially surrounding the core, whereby the core and the inner cladding form an area configured to propagate pump radiation; an outer cladding comprised of at least a third material with at least a third refractive index substantially surrounding the inner cladding, the third refractive index being smaller than the second refractive index, whereby the outer cladding confines pump radiation to the core and the inner cladding; and a coating comprised of a thermally conductive material substantially surrounding the outer cladding, wherein the inner cladding is configured to reduce impact of spatial hole-burning on absorption of the pump radiation as the pump radiation propagates through the active optical fibre, and wherein the thermally conductive material of the coating supports a reduced temperature increase between the area and an outer surface of the coating.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: January 21, 2020
    Assignee: Commonwealth Of Australia represented by Department of Defence, Defence Science and Technology Organisation
    Inventors: Jae Daniel, William Andrew Clarkson, Nikita Simakov
  • Patent number: 10531933
    Abstract: An illumination system includes a surgical tool and an attachable cannula comprising a transparent or semi-transparent material capable of carrying light from the proximal end to the distal end of the cannula, thereby illuminating the surgical field through components that do not occupy space that may otherwise be used for optics of the tool. The illumination system further comprises one or more illumination sources disposed at the proximal end. The illumination source may be optically coupled with the cannula at the hub or other appropriate location. The cannula comprises a sterilizable polymer which functions as a waveguide. A waveguide is a material medium that confines and guides light. When in use, the light source connected to the hub provides light which may be guided to the distal end of the cannula or any other suitable location. Thus, the sheath provides structure-guided illumination resulting in the illumination of the surgical site.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: January 14, 2020
    Assignee: Invuity, Inc.
    Inventors: Alex Vayser, Kenneth B. Trauner, Jonathan G. Gasson, Thomas L. Grey
  • Patent number: 10520638
    Abstract: The current disclosure describes a tube-in-tube optical fiber sensor system. A tube-in-tube optical fiber core includes an inner tube, an outer tube and one or more optical fiber sensors contained in the inner tube. The inner tube and the outer tube each include a termination portion about a sensing end of the optical fiber core. The termination portion of the outer tube includes a closed end that is swaged and welded.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: December 31, 2019
    Assignee: PRYSMIAN S.P.A.
    Inventors: Mark Edmund Lowell, Toma Milouchev
  • Patent number: 10481359
    Abstract: The present disclosure provides an optical waveguide cable. The optical waveguide cable includes one or more optical waveguide bands positioned substantially along a longitudinal axis of the optical waveguide cable. The optical waveguide cable includes one or more layers substantially concentric to the longitudinal axis of the optical waveguide cable. The one or more layers include a cylindrical enclosure. The one or more optical waveguide bands include a plurality of light transmission elements. The density of the cylindrical enclosure is at most 0.935 gram per cubic centimeter. The optical waveguide cable has a waveguide factor of about 44%. The one or more optical waveguide bands are coupled longitudinally with the cylindrical enclosure.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: November 19, 2019
    Assignee: STERLITE TECHNOLOGIES LIMITED
    Inventors: Venkatesh Murthy, Kishore Sahoo, Sravan Kumar peraka, Atul Mishra, Pavan Kumar Moturu, Kavya Chintada
  • Patent number: 10451498
    Abstract: A cable includes a longitudinal structural element including at least one of an electrical conductor and an optical conductor, and a strain sensor arranged within a bending neutral region of the cable and mechanically coupled with the longitudinal structural element. The strain sensor includes an optical fiber coated with at least one coating layer, a release layer surrounding the coating layer, and a protective layer surrounding the release layer. The release layer includes a material selected from a silicone polymer, a fluoropolymer mixture or an extruded polymer containing a slip agent.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: October 22, 2019
    Assignee: PRYSMIAN S.p.A.
    Inventor: Brian G. Risch
  • Patent number: 10450696
    Abstract: Linear tension member having multiple fibers and at least 0.1 wt % of solid hydrophobic organic nanoparticles with a mean diameter of 10-300 nm and a standard deviation ? of at least 10% of the mean value, which linear tension member has a linear mass density of at least 10.000 dtex and has at least 80 wt % of fibers having a mass density higher than 1 g/cm3. The disclosure also pertains to the use of such particles for making a linear tension member buoyant and to a process to manufacture a floating linear tension member.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: October 22, 2019
    Assignee: TEIJIN ARAMID B.V.
    Inventors: Mattheus Van Leeuwen, Huibert Kwint, Stephanus Willemsen
  • Patent number: 10387347
    Abstract: A network system is directed to the locating and verifying data cable routing. The network system includes a data storage server with a switch device, and processing nodes, where each of processing node includes a baseboard management controller (BMC) and a host bus adapter (HBA). The network system also includes a data cable electrically connected to the switch device of the data storage server and the HBA of the processing node. A cable identifier is stored in the BMC of the processing node and the data storage server. The data storage server and each of the processing nodes are managed by a data resource manager configured to read the cable identifier stored in the BMC of the processing node and the data storage server.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: August 20, 2019
    Assignee: QUANTA COMPUTER INC.
    Inventor: Lien-Hsun Chen
  • Patent number: 10382838
    Abstract: Example management closures (110) enable incoming optical and/or electrical signals to be connected to one or more subscribers (109) via an electrical distribution cable (102). Termination connections within the management closure (110) are connected to active electronic equipment (131) for modifying and/or enhancing the incoming signals. However, the connections between the central office (101), the active electronic equipment (131), and a subscriber (109) need not be made until the subscriber requests a service upgrade. Accordingly, the closure (110) allows for simple and low cost installation of the closure (110) before upgraded service is needed.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: August 13, 2019
    Assignee: CommScope Connectivity Belgium BVBA
    Inventors: Gerd Van Cauteren, Dirk Kempeneers, Jan Jozef De Rijck
  • Patent number: 10353156
    Abstract: Multi-fiber, fiber optic cable assemblies may be configured so that the terminal ends of the cables have pre-assembled back-post assemblies that include pre-assembled ferrules, such as MPO ferrules that meet the requisite tolerances needed for fiber optic transmissions. To protect the pre-assembled components from damage prior to and during installation, pre-assembled components may be enclosed within a protective housing. The housing with pre-assembled components may be of a size smaller than fully assembled connectors so as to be sized to fit through a conduit. The remaining connector housing components for the multi-fiber connectors may be provided separately and may be configured to be attached to the back-post assembly after installation of the cable.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: July 16, 2019
    Assignee: Clearfield, Inc.
    Inventors: John Paul Hill, Walter E. Power, Yuki Nishiguchi
  • Patent number: 10338331
    Abstract: A fiber optic ribbon cable includes a jacket of the cable, the jacket having a cavity defined therein, an optical element including an optical fiber and extending within the cavity of the jacket, and a dry water-blocking element extending along the optical element within the cavity. The dry water-blocking element is wrapped around the optical element with at least a portion of the dry water-blocking element disposed between another portion of the dry water-blocking element and the optical element, thereby defining an overlapping portion of the dry water-blocking element. The optical element interfaces with the overlapping portion to provide direct or indirect coupling between the optical element and the jacket.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: July 2, 2019
    Assignee: Corning Optical Communications LLC
    Inventors: James Lee Baucom, William Welch McCollough, David Alan Seddon