Tube-type Holding Structure Patents (Class 385/84)
  • Patent number: 10234638
    Abstract: A ferrule includes a ferrule body having a first opening formed in a side face thereof, and having a second opening formed in a top face thereof, wherein the first opening is configured to receive an optical waveguide inserted into the ferrule body at the side face, and wherein the second opening is formed over and in communication with the first opening, such that the second opening connects an inner space of the first opening to an outside of the ferrule body.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: March 19, 2019
    Assignee: FUJITSU COMPONENT LIMITED
    Inventors: Hongfei Zhang, Osamu Daikuhara, Shinichiro Akieda
  • Patent number: 9885847
    Abstract: A cable pulling assembly includes an enclosure that is adapted for enclosing an end of a fiber optic cable. The enclosure includes a first member that defines a first cavity. The first cavity is adapted to receive a portion of the end of the fiber optic cable. The enclosure further includes a second member that is selectively engaged to the first member. The second member defines a second cavity. The second member is structurally identical to the first member. The enclosure is adapted to transfer a tensile force applied to the enclosure to the strength layer of the fiber optic cable.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: February 6, 2018
    Assignee: CommScope Technologies LLC
    Inventors: Scott C. Kowalczyk, Jonathan Walter Coan, Jonathan R. Kaml
  • Patent number: 9625658
    Abstract: A communication connector with alterable polarity, comprising a main body, a pair of fiber optic plugs, and a casing for signal connection via a fiber optic socket, wherein the pair of fiber optic plugs are installed at the front end of the main body, and the casing provides a sliding cover around the main body. A clip is positioned on the casing. The front end of the clip is used for fixing on the fiber optic socket. Moreover, a pair of grabs is positioned on the surface of the casing corresponding to a neck of the main body. The two grabs are pressed at the same time and separated from the two necks, and the main body and the casing are separated, rotated 180 degrees with regard to each other, and re-assembled. So, the wire jumper polarity exchange is performed by substantially improving convenience and efficacy during operation.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: April 18, 2017
    Assignee: JYH ENG TECHNOLOGY CO., LTD.
    Inventor: Yen-Lin Lin
  • Patent number: 9519107
    Abstract: In one embodiment, an apparatus includes an optical fiber made of a silica-based material. A proximal end portion of the optical fiber has an outer-layer portion. The proximal end portion can be included in at least a portion of a launch connector configured to receive electromagnetic radiation. The apparatus also includes a component that has a bore therethrough and can be made of a doped silica material. The bore can have an inner-layer portion heat-fused to the outer-layer portion of the optical fiber. The component can also have an index of refraction lower than an index of refraction associated with the outer-layer portion of the optical fiber.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: December 13, 2016
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Jeffrey W. Zerfas, Paul Jortberg, Richard P. Tumminelli
  • Patent number: 9400356
    Abstract: A mechanism is provided for a fiber pigtail. The fiber pigtail includes a single mode fiber optic ribbon having a section of polymer ribbon removed to expose bare fibers, a fiber optic ferrule in contact with the single mode fiber optic ribbon at one distal end, and an integrated polymer lid permanently attached to the bare fibers of the single mode fiber optic ribbon at another distal end of the single mode fiber optic ribbon.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: July 26, 2016
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AFL TELECOMMUNICATIONS LLC
    Inventors: Tymon Barwicz, Paul F. Fortier, Ted Lichoulas
  • Patent number: 9195014
    Abstract: An optical connector for optically connecting a first optical waveguide and second optical waveguide, includes a first connector module including a first fixing portion attached to a first board in such a manner that a fixed position is adjustable, a first connecting portion, a first ferrule to which the first optical waveguide is connected, and a guide pin attached to the first ferrule and provided with a tapered portion at a front end; and a second connector module including a second fixing portion fixed to a second board, a second connecting portion connectable to the first connecting portion of the first connector module, a second ferrule to which the second optical waveguide is connected and provided with a fitting hole that fits the guide pin, and a holding unit that movably holds the second ferrule.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: November 24, 2015
    Assignees: FUJITSU COMPONENT LIMITED, FUJITSU LIMITED
    Inventors: Satoshi Moriyama, Osamu Daikuhara, Ayumu Akabane, Yoshihiro Morita
  • Patent number: 9181818
    Abstract: A disclosed probe assembly includes a sensor member and an outer holder including a main bore for the sensor member, the outer holder including a first coefficient of thermal expansion. The sensor member is held within a sensor bore of an inner holder. The inner holder is held within the main bore of the outer holder by an interference fit. The inner holder includes a second coefficient of thermal expansion greater than the first coefficient of thermal expansion. Expansion of the inner holder is constrained by the outer holder to maintain the sensor member within the probe bore of the inner holder at elevated temperatures.
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: November 10, 2015
    Assignee: United Technologies Corporation
    Inventor: Eli Cole Warren
  • Patent number: 9052466
    Abstract: The present document describes a female optical receiving device for connecting a first optical fiber to a second optical fiber. The first optical fiber is substantially centered within a proximal portion of a guidewire tubing. The female optical receiving device comprises a first ferrule or tubing having a longitudinal axis and an inside diameter adapted to an outside diameter of the guidewire tubing, and a second ferrule or tubing having a longitudinal axis and an inside diameter adapted to an outside diameter of the second optical fiber. The longitudinal axis of the first ferrule or tubing is aligned with the longitudinal axis of the second ferrule or tubing.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: June 9, 2015
    Inventors: Claude Belleville, Sébastien Lalancette, Alain Proulx
  • Patent number: 9046664
    Abstract: The object of this invention is to provide an optical connector module 1 in which the possibility of scraped wastes to exist between the lens and the tip face of the optical fiber is less and which has high optical coupling efficiency. The optical connector module 1 comprises: an optical fiber 2 having a core 2a and a plastic cladding 2b made of a first resin; a positioning device 3 made of a second resin and including a fixing portion 4 in which the optical fiber 2 is inserted; and a lens 5, wherein the hardness of the second resin is higher than that of the first resin. The tip face 2ac of a glass core 2a may protrude from the tip face 2bc of the cladding 2b toward the bottom face 4c, or otherwise the tip face 2bc of the cladding 2b may protrude from the tip face 2ac of the glass core 2a toward the bottom face 4c.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: June 2, 2015
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Mitsuaki Tamura, Osamu Shimakawa
  • Patent number: 9022670
    Abstract: A ferrule holding member has a tube-shaped receiving portion including a receiving space therein, the receiving space receiving at least partially a ferrule mounted to a terminal of an optical fiber; and an engaging portion engaged to the ferrule received in the receiving portion, to thereby regulate movement of the ferrule relative to the receiving portion. The receiving portion includes a communicating hole to allow the receiving space to communicate externally. The engaging portion includes an engaging protrusion configured to be inserted in the communicating hole from an outer periphery side of the receiving portion, to engage the ferrule.
    Type: Grant
    Filed: January 7, 2013
    Date of Patent: May 5, 2015
    Assignee: Hitachi Metals, Ltd.
    Inventors: Juhyun Yu, Hiroki Yasuda
  • Patent number: 9016955
    Abstract: An optical connector for operation within a temperature range, comprising: (a) a ferrule comprising a first material having a coefficient of thermal expansion COE-1, and a diameter no greater than a diameter d1 below a transition temperature Ts within the temperature range and no less than a diameter d2 above Ts; (b) a spring disposed behind and in contact with the ferrule to apply a forward force to the ferrule; and (c) a housing comprising a second material having a coefficient of thermal expansion COE-2 and defining a bore hole having a diameter greater than d2, and an interface having a restricted bore hole having a diameter no greater than a diameter d3 below Ts, and no less than a diameter d4 above Ts, wherein connector configuration is COE-2>COE-1 with d>d3 and d2<d4 or COE-2<COE-1 with d1<d3 and d2>d4.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: April 28, 2015
    Assignee: Tyco Electronics Corporation
    Inventors: Soren Grinderslev, Michael Aaron Kadar-Kallen, Daniel E. Wertman
  • Patent number: 8998502
    Abstract: According to at least one exemplary embodiment a ferrule, comprises: (i) a bore extending from a rear of the ferrule to a front of the ferrule, wherein the bore is sized to receive an optical fiber and a buffer layer at one end face of the ferrule; and (ii) an end stop sized to engage the buffer layer and to contain the optical fiber within said ferrule. In some embodiments the ferrule includes an optical fiber situated within the bore.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: April 7, 2015
    Assignee: Corning Incorporated
    Inventors: Seldon David Benjamin, Michael de Jong, Randy LaRue McClure, Howard Clark Schwartz
  • Publication number: 20150093081
    Abstract: An optical fiber connector comprises a ferrule, a fastening tube, and a cover plate. The ferrule comprises a through hole and a breach. Front and rear parts of the through hole respectively comprise a pre-embedded optical fiber and a field optical fiber. A joint of the two optical fibers is located at the breach. A part of the through hole is exposed in the breach. The fastening tube comprises a ferrule accommodating portion accommodating a part of the ferrule on which the breach is disposed, and an opening disposed thereon. The opening connects the ferrule accommodating portion, and is positionally corresponding to the breach. The cover plate passes through the opening, is disposed in the breach, and presses the joint. The ferrule is easily machined and can adopt a material hardly influenced by environment temperature. The joint is fixed, and an amount of joint loss is stable.
    Type: Application
    Filed: August 21, 2014
    Publication date: April 2, 2015
    Inventors: Jun Wu, Yang-Yang Cui, Hai-Jiang Deng
  • Publication number: 20150093082
    Abstract: A fiber optic connector assembly comprises a ferrule assembly including a ferrule and a hub. The ferrule has a distal end and a proximal end. The proximal end of the ferrule is mounted to the hub. The ferrule defines a fiber passage that extends through the ferrule from the proximal end to the distal end. The fiber optic assembly further comprises an optical fiber having an end portion potted within the fiber passage of the ferrule. A loose tube receives the optical fiber. The loose tube has a distal end positioned inside the hub and defines a venting opening that starts at the distal end of the loose tube and extends proximally along a length of the loose tube.
    Type: Application
    Filed: December 8, 2014
    Publication date: April 2, 2015
    Inventors: Yu LU, Ronald A. Beck
  • Patent number: 8992098
    Abstract: A connectorized fiber optic cabling assembly includes a loose tube fiber optic cable and a connector assembly. The cable has a termination end and includes: an optical fiber bundle including a plurality of optical fibers; at least one strength member; and a jacket surrounding the optical fiber bundle and the at least one strength member. The connector assembly includes a rigid portion and defines a fiber passage. The connector assembly is mounted on the termination end of the cable such that the optical fiber bundle extends through at least a portion of the fiber passage. The plurality of optical fibers of the optical fiber bundle have a ribbonized configuration in the rigid portion of the connector assembly and a loose, non-ribbonized configuration outside the rigid portion. The plurality of optical fibers undergo a transition from the ribbonized configuration to the loose, non-ribbonized configuration in the rigid portion of the connector assembly.
    Type: Grant
    Filed: June 18, 2010
    Date of Patent: March 31, 2015
    Assignee: CommScope, Inc. of North Carolina
    Inventors: Timothy W. Anderson, Richard L. Case
  • Patent number: 8956057
    Abstract: An optical fiber connector comprises a ferrule having a rear end, a chuck located rearward of the ferrule, a ring having a front end, and a coil spring. The ring is attached to the chuck so as to surround the chuck. The optical fiber connector holds an optical fiber which is inserted from a rear end of the optical fiber connector. In detail, when the optical fiber is inserted into the optical fiber connector, an end of the optical fiber passes through the chuck to be accommodated in the ferrule. The coil spring presses the ring forward (toward the ferrule) so that the chuck is squeezed to hold the inserted optical fiber. When the ring is moved rearward by a stopper inserted between the rear end of the ferrule and the front end of the ring, the chuck is released to release the optical fiber.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: February 17, 2015
    Assignees: Japan Aviation Electronics Industry, Limited, Asahi Glass Company, Limited
    Inventors: Osamu Imaki, Hideto Shimazu, Yuji Watanabe, Minoru Sekine
  • Publication number: 20150023635
    Abstract: An optical connector comprising a connector body, an enclosure that is a slit-shaped hole formed from one surface of the connector body into the connector body and accommodates a sheet-like optical waveguide with a tip of the optical waveguide abutting against a bottom of the hole, and a pressing section that is provided on a first surface of the enclosure facing a sheet surface of the enclosed optical waveguide and presses the enclosed optical waveguide toward a second surface of the enclosure facing the first surface so as to bring the enclosed optical waveguide into contact with the second surface.
    Type: Application
    Filed: July 14, 2014
    Publication date: January 22, 2015
    Applicants: FUJITSU COMPONENT LIMITED, FUJITSU LIMITED
    Inventors: Ayumu AKABANE, Mariko KASE, Osamu DAIKUHARA
  • Publication number: 20150023636
    Abstract: An optical connector has an optical waveguide slit and a pass-through hole. The optical waveguide slit is a hole that extends from an insertion surface of a connector body into the connector body. The optical waveguide slit accommodates a sheet-like optical waveguide whose tip abuts against a slit bottom. The pass-through hole is provided near the slit bottom, and passes through the top surface of the connector body and the top surface of the optical waveguide slit.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 22, 2015
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Satoshi MORIYAMA, Ayumu AKABANE, Osamu DAIKUHARA
  • Patent number: 8931964
    Abstract: A fiber optic connector assembly comprises a ferrule assembly including a ferrule and a hub. The ferrule has a distal end and a proximal end. The proximal end of the ferrule is mounted to the hub. The ferrule defines a fiber passage that extends through the ferrule from the proximal end to the distal end. The fiber optic assembly further comprises an optical fiber having an end portion potted within the fiber passage of the ferrule. A loose tube receives the optical fiber. The loose tube has a distal end positioned inside the hub and defines a venting opening that starts at the distal end of the loose tube and extends proximally along a length of the loose tube.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: January 13, 2015
    Assignee: ADC Telecommunications, Inc.
    Inventors: Yu Lu, Ronald A. Beck
  • Patent number: 8915654
    Abstract: A connector comprising a base formed using a base material with an obverse face, a reverse face, and at least one wall member that defines the perimeter of the base; a multiplicity of inserts each having a first end and a second end, which extend through the base; wherein the inserts are of a different material than the base material, and the inserts are generally parallel to one another, wherein a single hole extends longitudinally through each of at least a subset of the inserts, and wherein each hole is configured to receive a single optical fiber; and a method of making the connector.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: December 23, 2014
    Assignee: Verizon Patent and Licensing Inc.
    Inventor: David Zhi Chen
  • Patent number: 8882364
    Abstract: The invention relates to a fiber-optic connection arrangement, with the connection arrangement (21) comprising a fiber-optic adapter (2), with the fiber-optic adapter (2) having a first connecting device (38) for a first connecting plug (11) and a second connecting device (6) for a second connecting plug (17), with the first and the second connecting devices (38, 6) being different, with the fiber-optic adapter (2) having at least one first adapter-side attachment means, with the first adapter-side attachment means being in the form of an external thread (8) with a first adapter-side nominal diameter, wherein the connection arrangement (21) furthermore comprises an adapter sleeve (26), with the adapter sleeve (26) having a first end section (27) with a first opening (28), and a second end section (29) with a second opening (30), with the first end section (27) having a first sleeve-side attachment means, with the first sleeve-side attachment means being in the form of a first internal thread (36), with the fi
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: November 11, 2014
    Assignee: Tyco Electronics Services GmbH
    Inventors: Ralf-Dieter Busse, Wolfgang Kraft
  • Patent number: 8876409
    Abstract: An optical device includes a light guide member, a holding member to hold the light guide member, an optical element to function according to light applied from the light guide member, a holder to hold the optical element, and an adhesive to join the holding member to the holder. The holding member and the holder are engaged with each other so that the optical element is placed on an optical axis of the light guide member. At least one of the holding member and the holder has a joint structure extending along the light guide member. The joint structure forms a gap to allow the adhesive to be easily injected between the holding member and the holder. The holding member and the holder are joined to each other with the adhesive injected into the gap.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: November 4, 2014
    Assignee: Olympus Corporation
    Inventor: Satoshi Ohara
  • Patent number: 8858092
    Abstract: Provided is an inner module for holding a plurality of connectors. The inner module includes a first cylindrical portion having a first outer wall spaced radially from a first inner wall to form an annular volume and a second cylindrical portion having a second outer wall spaced radially from a second inner wall to form an annular volume. The inner module also includes a connecting portion to connect the first cylindrical portion to the second cylindrical portion. Each of the first and second cylindrical portions have an opening in an axial direction having a width that is narrower than a distance between the first inner wall and the first outer wall.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: October 14, 2014
    Assignee: AFL Telecommunications LLC
    Inventors: Christopher Donaldson, Eddie Kimbrell, Ted Lichoulas
  • Patent number: 8858094
    Abstract: A fiber optic connector system is described which includes a plug and a socket. The optically active surfaces of the plug and socket are automatically protected from soiling as soon as the connection is opened.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: October 14, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Martin Weinrotter, Pascal Woerner, Juergen Raimann
  • Patent number: 8845206
    Abstract: An apparatus is provided and includes a housing, a block formed to define an array of holes corresponding to an array of plugs into which connectors with spring loaded sleeves are pluggable such that the block engages with a respective sleeve of each connector, the block being supportively disposed within the housing to be movable with respect to the housing between first and second block positions at which the sleeves are extended and retracted, respectively and a cam lever supported on the housing and coupled to the block, which selectively occupies first and second lever positions at which the cam lever causes the block to assume the first and second block positions, respectively.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: September 30, 2014
    Assignee: International Business Machines Corporation
    Inventors: Kenneth Y. Chan, Dennis Denizard, Michael J. Fisher, Gilles G. Labbe, James E. Tersigni
  • Publication number: 20140254990
    Abstract: An optical fiber insertion unit includes a ferrule; a lens sleeve having a lens at a front end portion thereof and a ferrule insertion opening portion at a rear end portion thereof for inserting the ferrule; and a refractive index matching portion disposed between the ferrule and the lens sleeve. The refractive index matching portion is filled with a refractive index matching material so that the refractive index adjusting agent contacts with at least the lens.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 11, 2014
    Applicant: Hirose Electric Co., Ltd.
    Inventors: Yoshiyuki HIYAMA, Shinichi MATSUMOTO
  • Patent number: 8770857
    Abstract: Circuits, apparatus, and methods that provide a connector system that can supply both power and data to a mobile computing or other type of device using a single connection. Further examples also provide a power and data adapter that can provide power and data to a mobile computing device using a single cable. Further examples provide an easy disengagement when a cable connected to the connector is pulled. One such example provides a magnetic connector that uncouples without binding when its cord is pulled. Another example prevents power from being provided at a connector insert until the connector insert is placed in a connector receptacle.
    Type: Grant
    Filed: September 15, 2012
    Date of Patent: July 8, 2014
    Assignee: Apple Inc.
    Inventors: John C. DiFonzo, Chris Ligtenberg, Michael Culbert
  • Patent number: 8764314
    Abstract: A pre-terminated optical fiber assembly with a ferrule having front and rear opposed faces and at least one fiber bore defined longitudinally therethrough includes a glass optical fiber is disposed within the at least one fiber bore with the fiber fused to the ferrule at a location at least 1 mm deep inside the bore. A method for fusing is also disclosed. The ferrule 14 is desirably composed of an inorganic composite material, the composite comprising a material gradient from at least 75% by volume of a first inorganic material to at least 75% by volume of second inorganic material in the radially inward direction, where the first inorganic material has a fracture toughness of at least 1 MPa·m1/2, and the second inorganic material has a softening point of no greater than 1000° C., desirably no greater than 900° C.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: July 1, 2014
    Assignee: Corning Cable Systems LLC
    Inventors: Jeffrey Dean Danley, Robert Bruce Elkins, II
  • Patent number: 8753022
    Abstract: A fiber optic connector includes a front housing having sidewalls each defining a slot and a rear insert with a pair of locking flanges extending radially away, the locking flanges configured to snap-fit into the slots, each locking flange defining a front face and a rear face, the radially outermost portion of the rear face defining an edge, the edge being the rearmost extending portion of the locking flange. Another fiber optic connector includes a front housing defining a front opening at a front end, a circular rear opening at a rear end, and an internal cavity extending therebetween. A rear insert including a generally cylindrical front portion is inserted into the front housing through the circular rear opening, the front portion defining at least one longitudinal flat configured to reduce the overall diameter of the generally cylindrical front portion configured to be inserted into the front housing.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: June 17, 2014
    Assignee: ADC Telecommunications, Inc.
    Inventors: Michael D. Schroeder, Ponharith Nhep, Steven C. Zimmel
  • Patent number: 8740474
    Abstract: A method for processing ferrules for fiber optic connectors is disclosed herein. The method involves ablating a distal end face of the ferrule with the plurality of laser beam pulses to remove a distal layer of the ferrule without removing an optical fiber secured within the ferrule. By removing the distal layer from the ferrule, the optical fiber is caused to protrude distally outwardly from the distal end of the ferrule by a desired amount.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: June 3, 2014
    Assignee: ADC Telecommunications, Inc.
    Inventor: Yu Lu
  • Publication number: 20140133808
    Abstract: An optical fiber connector and method for assembly and use are disclosed. The optical fiber connector is configured to have a small footprint so that the connector may be pushable or pullable through a conduit if use of a conduit may be needed. The connector may include a first number of connector components configured to fit through a conduit, and a second number of connector components that are configured to be installed to the first components, for example, after the connector is pushed or pulled through a conduit.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 15, 2014
    Inventors: John P. HILL, Walter E. POWER, II, Yuki NISHIGUCHI
  • Patent number: 8702316
    Abstract: Circuits, apparatus, and methods that provide a connector system that can supply both power and data to a mobile computing or other type of device using a single connection. Further examples also provide a power and data adapter that can provide power and data to a mobile computing device using a single cable. Further examples provide an easy disengagement when a cable connected to the connector is pulled. One such example provides a magnetic connector that uncouples without binding when its cord is pulled. Another example prevents power from being provided at a connector insert until the connector insert is placed in a connector receptacle.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: April 22, 2014
    Assignee: Apple Inc.
    Inventors: John C. DiFonzo, Chris Ligtenberg, Michael Culbert
  • Patent number: 8702322
    Abstract: An optical fiber connector preloaded with an adhesive is provided. The optical connector includes an optical fiber-receiving passage. The passage includes a first passage section extending inwardly from the first face, and the first passage section has a first width. The passage includes a second passage section extending inwardly from the second face, and the second passage section has a second width. The second width is less than the first width. The passage includes a transition passage section located between the first passage section and the second passage section. The transition passage has a variable width, and the variable width of the transition section decreases as the distance to the second face decreases. A meltable adhesive composition is located within the transition passage section and is configured to bind an optical fiber to an inner surface of the second passage following melting and solidification of the adhesive composition.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: April 22, 2014
    Assignee: Corning Cable Systems LLC
    Inventors: Jeffrey Dean Danley, Robert Bruce Elkins, II, Darrin Max Miller, Dennis Craig Morrison
  • Patent number: 8628253
    Abstract: An optical connector is provided having a housing with a cavity formed therein through which an optical fiber passes. Within the cavity, a slightly bent, unjacketed portion of the core of the optical fiber is disposed. If conditions are such that pistoning of the core begins to occur, the slightly bent, unjacketed portion of the core straightens, thereby causing the end of the core to remain substantially flush with the end of the ferrule of the connector housing. In this way, the pistoning effect at the end of the fiber is prevented and optical losses associated with the occurrence of the pistoning effect are avoided.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: January 14, 2014
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Tobias Bitter, Frank Weberpals, Josef Wittl
  • Patent number: 8591124
    Abstract: A system for plugging a fibre optic cable into a fibre optic receptacle includes: a base element having at least one base port, and an adapter unit having at least one adapter, the at least one adapter and the at least one base port being spaced of a predetermined length. The system includes a cable adaptor associated with the fibre optic cable, the cable adaptor including a connector for being plugged into the adapter; an anchoring device for anchoring the fibre optic cable to said base port, and a connector retaining element for receiving the connector and a cable end portion, the connector retaining element defining the predetermined length and removably engaging with the anchoring device. A cable adaptor for a fibre optic cable and a method of installing a fibre optic cable into a fibre optic receptacle, especially into a joint closure, are also described.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: November 26, 2013
    Assignee: Prysmian Cables & Systems Limited
    Inventors: Ian Griffiths, Paul Hubbard
  • Patent number: 8573854
    Abstract: A fiber optic connector assembly includes a front housing and a rear housing movably coupled to the front housing between retracted and advanced positions. A drive mechanism is coupled to the rear housing that moves the rear housing from the retracted position to the advanced position. Fiber optic connectors are fixedly coupled to the rear housing with a mating end driven with respect to the front housing in a mating direction when the rear housing is moved from the retracted position to the advanced position. Optionally, the fiber optic connector assembly may be side-loaded into position with respect to a fixed connector assembly, and then the fiber optic connector is driven to the advanced position in a direction generally perpendicular to the direction of loading.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: November 5, 2013
    Assignee: Tyco Electronics Corporation
    Inventors: Robert C. Briggs, David R. Baechtle, Edmunc J. Haley
  • Patent number: 8573858
    Abstract: An assembly includes a connector and a carrier engaged therewith. Connector has a first mating end and a second end and a first fiber. The fiber defines a first end adjacent the mating end and a second end protruding from the connector second end. Carrier has a connector end and an opposite cable end and includes a heat activated meltable portion adjacent the cable end. An alignment structure is on the carrier and includes first and second ends, and a throughhole. The first end of the alignment structure receives the second end of the first fiber and the second end receives an end of a second fiber entering the carrier. The heat activated portion melts and assumes a flowable condition when exposed to a predetermined amount of heat and resolidifies when heat is removed, bonding the second fiber to the carrier after the first and second fibers are aligned.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: November 5, 2013
    Assignee: ADC Telecommunications, Inc.
    Inventors: Kenneth Allen Skluzacek, Wagner Da Silva Aguiar, Jarrod Scadden, Wayne M. Kachmar
  • Patent number: 8523459
    Abstract: Disclosed are multifiber ferrule assemblies and methods for manufacturing the same. In one embodiment, a finished multifiber ferrule can be provided with a front end having a first front surface that extends beyond a second front surface, thereby inhibiting interaction with a laser beam during processing. A plurality of optical fibers can be fixed within respective optical fiber bores and extend from respective optical fiber bore openings to a position beyond the first front surface. The plurality of optical fibers can be processed by cutting and polishing with a laser beam for providing each optical fiber with a final polished end surface located beyond the first front surface. In further embodiments, an offset structure is positioned with respect to a finished multifiber ferrule after cutting and polishing the optical fibers.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: September 3, 2013
    Assignee: Corning Cable Systems LLC
    Inventors: Jeffrey D. Danley, Christopher P. Lewallen, James P. Luther, Joel C. Rosson, David A. Thompson
  • Publication number: 20130216191
    Abstract: Provided are an optical fiber connector component which holds an optical fiber and is capable of being inserted through a thin pipe and capable of being inserted smoothly through a pipe, and an optical fiber connector provided with the optical fiber connector component. The optical fiber connector component comprises a ferrule having a fiber hole to hold an inserted coaxially disposed optical fiber, a stop ring arranged on the base end side of the ferrule, and an urging means arranged in between the ferrule and the stop ring; the optical fiber connector is characterized by having a housing and cover member coaxially connected to the optical fiber, and the cover member being fixed to the stop ring of the optical fiber component by means of a fixing member.
    Type: Application
    Filed: October 26, 2011
    Publication date: August 22, 2013
    Applicant: ADAMANT KOGYO CO., LTD.
    Inventors: Isao Yamauchi, Yasuhiro Hyakutake, Satoshi Kano
  • Publication number: 20130195407
    Abstract: An optical fiber connector comprises a ferrule having a rear end, a chuck located rearward of the ferrule, a ring having a front end, and a coil spring. The ring is attached to the chuck so as to surround the chuck. The optical fiber connector holds an optical fiber which is inserted from a rear end of the optical fiber connector. In detail, when the optical fiber is inserted into the optical fiber connector, an end of the optical fiber passes through the chuck to be accommodated in the ferrule. The coil spring presses the ring forward (toward the ferrule) so that the chuck is squeezed to hold the inserted optical fiber. When the ring is moved rearward by a stopper inserted between the rear end of the ferrule and the front end of the ring, the chuck is released to release the optical fiber.
    Type: Application
    Filed: November 29, 2012
    Publication date: August 1, 2013
    Applicants: ASAHI GLASS COMPANY, LIMITED, JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITED
    Inventors: Japan Aviation Electronics Industry, Limited, Asahi Glass Company, Limited
  • Patent number: 8491199
    Abstract: A fiber optic socket contact includes a socket contact body and a capped sleeve containing a spring and a retention clip that engages a socket contact body. A fiber optic pin contact includes a pin contact body. One optical fiber is gripped by the socket contact body and another optical fiber is gripped by the pin contact body. When connector housings holding the fiber optic socket contact and the fiber optic pin contact are connected together, the fiber optic pin contact enters the capped sleeve which aligns the fiber optic pin contact with the fiber optic socket contact. The spring applies a force to keep the optical fibers pressed together. In preferred arrangements the fiber optic socket contact and the fiber optic pin contact have outer dimensions that substantially match outer dimensions specified for electrical socket and pin contacts.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: July 23, 2013
    Assignee: Carlisle Interconnect Technologies, Inc.
    Inventor: Phong Dang
  • Patent number: 8469605
    Abstract: An optical connector having a front and back orientation and suitable for operating with a temperature range, the connector comprising: (a) a ferrule comprising a first material having a first coefficient of thermal expansion (COE), and having no greater than a first diameter below a transition temperature with the temperature range, and no less than a second diameter above the transition temperature; (b) a spring disposed behind the ferrule and in contact with the ferrule to apply a forward urging force to the ferrule; and (c) a housing comprising a second material having a second COE, the housing defining a bore hole having a diameter greater than the second diameter, and an interface portion having a restricted bore hole having no greater than a third diameter below the transition temperature, and no less than a fourth diameter above the transition temperature.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: June 25, 2013
    Assignee: Tyco Electronics Corporation
    Inventors: Daniel E. Wertman, Soren Grinderslev, Michael Aaron Kadar-Kallen
  • Publication number: 20130101259
    Abstract: An embedded optical fiber termination device includes a fiber holder with an inner bore and an outer surface. The inner bore is configured to receive a length of optical fiber therein. A removable armature is positioned about a portion of the outer surface of the fiber holder and is removably positioned around a portion of the fiber holder. A composite structure and a method of using the embedded device are also provided.
    Type: Application
    Filed: March 23, 2011
    Publication date: April 25, 2013
    Applicant: MOLEX INCORPORATED
    Inventors: Malcolm H. Hodge, James P. Clarkin
  • Patent number: 8425129
    Abstract: An optical couple connector includes a first main body and a second main body. A through hole is defined in the first main body. A blind hole and a lens are defined in the second main body. The diameter of the blind hole is less than that of the through hole. The through hole is coaxial with the blind hole and is used to hold an optical fiber. The lens couples to the optical fiber.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: April 23, 2013
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: I-Thun Lin
  • Patent number: 8393804
    Abstract: A terminus for a fiber optic cable includes a ferrule. In one embodiment, an optical fiber of the cable passes through a central bore of the ferrule and is attached to a lens seated in a conical or cylindrical seat formed in an end surface of the ferrule by an epoxy. In a second embodiment, an optical fiber of the cable passes through the central bore of the ferrule. Next, a cap sleeve with a lens therein is slid over and attached to the ferrule such that the lens abuts or is attached to the optical fiber. In either embodiment, an inspection slot may optionally be formed in the ferrule and/or the cap sleeve to allow a technician to inspect the state of the attachment and/or abutment and/or spacing of the optical fiber and lens.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: March 12, 2013
    Assignee: CommScope, Inc. of North Carolina
    Inventors: Jeffrey D. Nielson, Gary Gibbs, Matthew Cruz, Timothy W. Anderson
  • Patent number: 8382383
    Abstract: A ferrule structure for an optical connector includes a central member disposed in the ferrule. The central member is configured so that an exterior dimension of the central member can change between a smaller size and a larger size. A plurality of optical fibers are disposed in the ferrule externally to the central member. A method for assembling an optical connector ferrule includes providing a central member, wherein the central member is configured so that an exterior dimension of the central member can change between a smaller size and a larger size. The method further includes placing an axial load on the central member to cause the exterior dimension to assume the smaller size. The central member is disposed in the ferrule. A plurality of optical fibers are disposed in the ferrule, external to the central member. The axial load is removed from the central member.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: February 26, 2013
    Assignee: PGS Geophysical AS
    Inventors: Nicholas Claude George, Greyson Orval Knapp
  • Patent number: 8376632
    Abstract: A strain-relief member having a body formed from a block copolymer and designed for use in a fiber optic drop cable assembly. The body has a central channel and a cylindrical connector-end portion sized to surround an end-portion of a connector. The body also has a tapered cable-end portion sized to surround an end portion of a fiber optic cable that connects to the connector and that has a preferential bend axis. The strain-relief member is configured to limit an amount of strain in the strength components to less than 0.041 when subjected to flex and proof testing. A fiber optic drop cable assembly that has a fiber optic cable with a preferential bend axis and that employs the strain-relief member is also disclosed.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: February 19, 2013
    Assignee: Corning Cable Systems LLC
    Inventors: James D. Blackburn, Mary C. Corpening, Gregory A. Lochkovic, Allen M. Miller, Thomas Theuerkorn
  • Patent number: 8337095
    Abstract: Ferrules having at least one tapered fiber channel that supports at least one optical fiber are disclosed. The at least one tapered fiber channel is defined by at least one channel wall. The material making up the channel wall is at least one of deformable and removable by forcible contact by the at least one optical fiber when the optical fiber is inserted into the fiber channel. This results in the formation of an interference fit between the front channel end and the optical fiber end when the diameter of the optical fiber end exceeds the diameter of the channel front end. The fiber channel wall may optionally include at least one deformable and/or removable-by-contact protrusion, with the at least one protrusion preferably being located in the channel section adjacent the narrow front channel end. Methods of forming the ferrules are also disclosed. Single-fiber and multi-fiber optical fiber connectors that employ the ferrules are also disclosed.
    Type: Grant
    Filed: September 30, 2009
    Date of Patent: December 25, 2012
    Assignee: Corning Cable Systems LLC
    Inventors: David L. Dean, Jr., Alan J. Malanowski, Jetta M. Pyatt
  • Publication number: 20120321257
    Abstract: A fiber optic connector assembly comprises a ferrule assembly including a ferrule and a hub. The ferrule has a distal end and a proximal end. The proximal end of the ferrule is mounted to the hub. The ferrule defines a fiber passage that extends through the ferrule from the proximal end to the distal end. The fiber optic assembly further comprises an optical fiber having an end portion potted within the fiber passage of the ferrule. A loose tube receives the optical fiber. The loose tube has a distal end positioned inside the hub and defines a venting opening that starts at the distal end of the loose tube and extends proximally along a length of the loose tube.
    Type: Application
    Filed: June 8, 2012
    Publication date: December 20, 2012
    Applicant: ADC Telecommunications, Inc.
    Inventors: Yu Lu, Ronald A. Beck
  • Patent number: 8322932
    Abstract: A coupling device for coupling optical fiber cables reduces contact with the internal parts when coupling a connector. The coupling device includes a projection of a connector device housing insertable into a groove of an adapter device groove of an adapter device housing. The coupling device which connects optical fiber cables compresses an elastic member, and connects an optical fiber connector of the connector device and the optical fiber end on the adapter device side.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: December 4, 2012
    Assignee: Terumo Kabushiki Kaisha
    Inventor: Yuichiro Irisawa