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| Number | Title | Issue Date |
| 8189974 | Optical fiber cable An optical fiber cable 1 includes: a cable core 9 formed by stranding a plurality of loose tubes 7, each housing at least one optical fiber 5, on the periphery of a centered tension member 3; and a sheath 11 disposed on the ... | 05/29/2012 |
| 8184934 | Optical fiber cable A fiber optic cable having a jacket, at least one tube and at least two fibers within the tube in a loose tube arrangement. The fibers within the tube have a fiber length differential substantially in the range of 0.01%-0.04%. ... | 05/22/2012 |
| 8180190 | Optical fiber assemblies having a powder or powder blend at least partially mechanically attached Disclosed are fiber optic assemblies having at least one optical fiber disposed within a tube and/or cavity along with a powder or powder blend that is at least partially mechanically attached thereto. In one embodiment, the powder or powder blend includes a water-s... | 05/15/2012 |
| 8111960 | Fiber optic cable systems and methods to prevent hydrogen ingress Purging interior regions of a cable reduces or prevents hydrogen darkening of an optical fiber located in the cable. While hydrogen may permeate through an outer surface of the cable, fluid circulating through the cable purges the hydrogen from within the cable. Thi... | 02/07/2012 |
| 8041167 | Optical-fiber loose tube cables Disclosed is an improved optical fiber that employs a novel coating system. When combined with a bend-insensitive glass fiber, the novel coating system according to the present invention yields an optical fiber having exceptionally low losses. The coating sys... | 10/18/2011 |
| 7995886 | Water-resistant optical cable and manufacturing method A method for manufacturing an optical cable for communication includes at least one micromodule, said micromodule being blocked with respect to the propagation of water. The method includes the steps of providing at least one optical fiber; embedding the at least on... | 08/09/2011 |
| 7991256 | Optical fiber cable and method for modifying the same Disclosed is an optical fiber cable that includes a main tube. A guide tube, which includes at least one optical element, is positioned within the main tube's central space. A compressible element is also positioned within the main tube's central space. To reduce th... | 08/02/2011 |
| 7933481 | Optical cable The present invention relates to an optical cable comprising one or more optical waveguides, which one or more optical waveguides are provided with a protective layer, a buffer tube surrounding said one or more optical waveguides, which buffer tube is surrounded by ... | 04/26/2011 |
| 7916989 | Optical fiber assemblies having a powder or powder blend at least partially mechanically attached Disclosed are fiber optic assemblies having at least one optical fiber disposed within a tube and/or cavity along with a powder or powder blend that is at least partially mechanically attached thereto. In one embodiment, the powder or powder blend includes a water-s... | 03/29/2011 |
| 7817891 | Method for accessing optical fibers within a telecommunication cable Disclosed is a method accessing one or more optical fibers in a telecommunication cable in a way that considerably reduces the risk of damaging the optical fibers. To avoid inadvertent damage caused by a cutting tool, the method includes moving optical fibers and/or... | 10/19/2010 |
| 7742667 | Fiber optic cables and methods for forming the same A loose tube optical fiber cable includes at least one cable unit. Each cable unit includes a plurality of loose, non-buffered optical fibers, a strength yarn at least partially surrounding the non-buffered optical fibers, and a jacket surrounding the strength yarn ... | 06/22/2010 |
| 7742668 | Semi-tight optical fiber unit Disclosed is a dry, semi-tight optical fiber unit that includes one or more optical fibers positioned within a buffer tube. A protective coating is provided upon the surface of the optical fibers, and an anti-adhesive coating is substantially bonded to the protectiv... | 06/22/2010 |
| 7715672 | Ultra high numerical aperture optical fibers Various embodiments described include optical fiber designs and fabrication processes for ultra high numerical aperture optical fibers (UHNAF) having a numerical aperture (NA) of about 1. Various embodiments of UHNAF may have an NA greater than about 0.7, greater th... | 05/11/2010 |
| 7664354 | System and method for loose tube tight buffer indoor/outdoor optical fiber cable A fiber cable having at least one fiber optic element, a water swellable powder, disposed on the fiber optic element and a tube surrounding the fiber element and the water swellable powder. The fiber optic element is in a loose non-coupled arrangement with respect t... | 02/16/2010 |
| 7646953 | Fiber optic cable systems and methods to prevent hydrogen ingress Purging interior regions of a cable reduces or prevents hydrogen darkening of an optical fiber located in the cable. While hydrogen may permeate through an outer surface of the cable, fluid circulating through the cable purges the hydrogen from within the cable. Thi... | 01/12/2010 |
| 7639915 | Optical fiber cable having a deformable coupling element Disclosed is an optical fiber cable that includes optical fibers and a deformable coupling element enclosed within a buffer tube. The coupling element is formed from a deformable yet substantially incompressible material that is capable of releasably and intermitten... | 12/29/2009 |
| 7609926 | Optical fiber cable An optical fiber cable maintains an outer jacket, at least one optical fiber tube within the jacket and for each optical fiber tube, four optical fibers, arranged in a substantially squared arrangement. The optical fibers are linearly arranged along the length of th... | 10/27/2009 |
| 7590322 | Fiber optic cable with enhanced saltwater performance A fiber optic cable can inhibit water, that may inadvertently enter the cable, from damaging the cable's optical fibers. The fiber optic cable can comprise a buffer tube defining an interior volume extending along the fiber optic cable. Optical fibers can be dispose... | 09/15/2009 |
| 7522795 | Loose tube optical waveguide fiber cable The present invention relates to loose tube optical waveguide fiber cable which is optimized for easy and fast installation as plenum cable, such as in customer premises for FTTH (fiber to the home) applications. One of the objects of the present invention is to pro... | 04/21/2009 |
| 7466887 | Optical fiber cable with dimensionally stable polymeric component An optical fiber cable having a polymeric component, in particular a buffer tube, suitable for both terrestrial and undersea uses. The polymeric material forming the component has a copolymer of propylene with a C4-C8 α-olefin and preferably a... | 12/16/2008 |
| 7447406 | Coated optical fibre unit and methods of manufacturing coated optical fibre units An optical fiber unit having a sheath and a plurality of optical fiber elements loosely housed in the sheath. The sheath is coated with particles of an adherence reducing substance and has a radial thickness that is not substantially greater than 0.3 mm. The coating... | 11/04/2008 |
| 7444051 | Conductor module, especially of an optical fibre type, having longitudinal impenetrability and controlled relative slippage, and associated method of production A conductor module (M) comprises a jacket (E) tightly accommodating, in the manner of tubing, at least two flexible conductors (C). The conductors (C) are coated with a small amount of oil (H) having a viscosity strictly less than 100 millipascal second (mPa.s) so a... | 10/28/2008 |
| 7433564 | Optical device for optical communication An optical phase modulator made of lithium niobate or the like phase-modulates the output light of a single-wavelength laser light source 20 that emits CW light, and the phase-modulated light is inputted to a dispersion medium 22. The positive chirp an... | 10/07/2008 |
| 7433565 | Side-scattering light guides The invention relates to side-scattering light guides that generally comprise a core of transparent optically homogenous material seeded with diffuser particles. The light guide also comprises an optically transmitting sheath, having a lower refractive index than th... | 10/07/2008 |
| 7424189 | Mid-span breakout with potted closure A breakout assembly includes a distribution cable, a tether cable, and at least one optical fiber. The distribution cable includes a breakout location having a length. The tether cable is secured to the distribution cable. The optical fiber extends along the length ... | 09/09/2008 |
| 7424190 | Fiber optic cable for use in harsh environments Fiber optic cables suitable for use in harsh environments such as down hole oil and gas well applications and methods for fabricating the same have been provided. In one embodiment, an optic cable suitable for down hole oil field applications comprises one or more o... | 09/09/2008 |
| 7421169 | Optical fiber cable An optical fiber cable that sustains reduced increase in transmission loss and optical fiber breakage when subject to external pressure exerted thereon, comprises an aggregate of elements including central buffer filaments disposed in the center part of the optical ... | 09/02/2008 |
| 7394957 | Fiberoptic cable bead mark system and method A plurality of fiberoptic strands is provided. Each fiberoptic strand has a free end. A plurality of groups is provided. Each group is formed of a plurality fiberoptic strands. A plurality of beads is provided. Each bead has a generally cylindrical configuration. Ea... | 07/01/2008 |
| 7389039 | Method of managing and playing title of medium, medium, and medium drive A method of managing and playing a title of a medium, the medium playing a deleted video title set (VTS) even after finalization of recording of a medium. The medium includes a first area recording video title sets and a second area recording search information used... | 06/17/2008 |
| 7386208 | Submarine optical cable with water-blocking filling composition Optical cable, in particular for submarine connections. A water blocking resin filling composition of reduced hardness is disposed into interstices. Preferably, the resin composition is a polyurethane resin having less than about 35% by weight of a polyol/polyisocya... | 06/10/2008 |
| 7382955 | Optical fiber cable with system and method for mid-span access An optical fiber cable includes a plurality of loose tubes, each of which contain at least one optical fiber therein. The loose tubes are constructed of a polymer with the tubes arranged in at least two layers, each of which are rotated in the same uni-helical direc... | 06/03/2008 |
| 7376313 | Low noise high strength optical fiber cables A method includes incorporating an optical fiber into a buffer tube, wherein the buffer tube has a first length. The buffer tube contains the optical fiber and a filler compound to create a buffer tube assembly. The buffer tube assembly is heated to an elevated temp... | 05/20/2008 |
| 7373057 | Telecommunication loose tube optical cable with reduced diameter An optical fiber cable has a highly reduced diameter. The cable has a central strength member; a number of tubes containing loosely arranged optical fibers, each tube having a thickness, and each optical fiber having a coating; and a protective outer jacket, wherein... | 05/13/2008 |
| 7360757 | Stack conditioning apparatus and method for use in bookbinding Apparatus for conditioning an edge of a stack of sheets to be bound so that sheets having coated surfaces and the like can be reliably bound. The apparatus includes a stack clamping mechanism configured to secure the stack of sheets and a piercing member configured ... | 04/22/2008 |
| 7361840 | Wire recycling method The invention provides an electrical cable reuse method which reduces a long time stock of cables. For assembling a wiring harness, step S1 reuses special electrical cables stocked in an electrical cable storehouse, and the cables having been colored in a fir... | 04/22/2008 |
| 7358216 | Lubricant compositions and methods A process is disclosed for manufacturing a lubricant composition comprising combining a superabsorbent polymer with a material for decreasing friction between moving surfaces. The superabsorbent polymer absorbs from about 25 to greater than 100 times its weight in w... | 04/15/2008 |
| 7359600 | Loose tube optical cable having straight aggregation structure Disclosed is a loose tube optical cable having an unstranded structure, which includes a tensile strength member longitudinally elongated and having a central axis deviated from the center of the optical cable, a loose tube optical fiber unit longitudinally elongate... | 04/15/2008 |
| 7353602 | Installation of spliced electrical transmission cables A method of installing an electrical transmission cable includes providing an electrical transmission cable extending from a first end to a second end. The cable includes a flexible, full tension splice between the first end and the second end. Additionally, the ele... | 04/08/2008 |
| 7349607 | Optical transmission element Between an optical fiber (LF11, LFB12, LFB13) and a surrounding core covering (AH11, AH12, SB13) of an optical transmission element (OE11 to OE13) there is at least one dry and compressible fixating element (FE... | 03/25/2008 |
| 7346257 | Buffer tubes with improved flexibility The present invention provides a communication cable buffer tube having a flexural modulus ranging from about 180 kpsi to about 280 kpsi. ... | 03/18/2008 |
