Patents Examined by John Bedtelyon
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Patent number: 10983294Abstract: A deployable fiber optic cable for pairing with a connector, the cable including a plurality of partially bonded ribbon fibers each being sized and configured to be rolled into a circular cross section; an elongate member forming a slotted core including a plurality of rounded slots for longitudinally surrounding the circular cross sections of a corresponding plurality of the plurality of partially bonded ribbon fibers; a plurality of rugged fiber tubes each located adjacent a corresponding one of the plurality of slots and wherein each of the plurality of rugged fiber tubes longitudinally surround a corresponding plurality of the plurality of partially bonded ribbon fibers; a plurality of water-blocking yarn members each surrounding a corresponding one of the plurality of rugged fiber tubes; a rugged outer jacket; and a yarn strength member located between the rugged outer jacket and the slotted core.Type: GrantFiled: February 25, 2019Date of Patent: April 20, 2021Assignee: Optical Cable CorporationInventors: Michael A. Stover, Teddy W. Leonard
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Patent number: 10976556Abstract: There is provided a method for fabricating an optical device having a light wave transmitting substrate with at least two major surfaces and edges, input and output reflecting surfaces carried by the substrate, for producing a substrate allowing light waves to traverse the substrate between the two major surfaces, the method including attaching to each other a plurality of substantially transparent flat plates arranged in a stack, slicing the stack to form a substrate with two major surfaces, and coupling-in and coupling-out reflecting surfaces, with major surfaces being parallel to each other and not parallel to the input or the output surfaces, grinding or polishing the substrate, and cutting the substrate to final dimensions.Type: GrantFiled: December 19, 2019Date of Patent: April 13, 2021Assignee: OORYM OPTICS LTD.Inventors: Yaakov Amitai, Nadav Amitai
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Patent number: 10965852Abstract: An image capturing apparatus including a light guide device having a first surface and a second surface opposite to each other, a display device disposed above or under the light guide device, an image capturing device above or under the light guide device, a first optical adhesive, a second optical adhesive and a light source is provided. The first optical adhesive is disposed on the first surface of the light guide device. The second optical adhesive is disposed on the second surface of the light guide device. The image capturing device is disposed above or under the light guide device. The light source is adapted to emit a light beam.Type: GrantFiled: September 9, 2019Date of Patent: March 30, 2021Assignee: Gingy Technology Inc.Inventor: Jen-Chieh Wu
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Patent number: 10962714Abstract: An apparatus and method for monitoring a change of a polarization state resulted from an optical link and optical receiver is provided. By combining zero-frequency response matrices and phase information on the received signal at two moments, a change matrix of the zero-frequency channel response matrices at the two moments is obtained, and a parameter characterizing a polarization state change induced by the optical link is determined according to the change matrix, which may dynamically monitor in real-time manner the polarization state change induced by the optical link, irrelevant to the polarization state of an input signal of the optical link. Due to the combination of the zero frequency response matrices and the phase information, response of the optical link may be completely reflected, for more accurate monitoring the polarization state. In addition, there is no need to add additional hardware and controls, thereby simplifying the structure and saving cost.Type: GrantFiled: February 10, 2020Date of Patent: March 30, 2021Assignee: FUJITSU LIMITEDInventors: Yanhui Qi, Tong Ye, Zhenning Tao
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Patent number: 10948663Abstract: A fiber optic connector has a housing and a ferrule contained within the housing. The ferrule has a base portion, an endface portion protruding from the base, and at least one alignment tower extending from the base portion parallel to the endface portion. In one embodiment, the ferrule can have one alignment tower on each side of the endface portion. In one embodiment. The alignment towers extend the same distance from the base portion as the endface portion. In another embodiment, the alignment towers may be connected to the endface portion via webbing.Type: GrantFiled: June 3, 2019Date of Patent: March 16, 2021Assignee: Panduit Corp.Inventors: Gregory L. Kuffel, Benjamin J. Berridge, Jerry A. Wiltjer
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Patent number: 10942322Abstract: A shield cage assembly of the present disclosure comprises a metal shield shell and a heat dissipating module. The metal shield shell comprises a plurality of walls and an accommodating space defined by the plurality of walls, and the accommodating space has a front end port. The heat dissipating module is assembled to one of the walls of the metal shield shell, and the heat dissipating module comprises a heat dissipating base member, a first heat dissipating member provided to the heat dissipating base member and at least one clip sandwiched between the heat dissipating base member and the first heat dissipating member, and the clip engages with the metal shield shell, a bottom of the heat dissipating base member covers the wall of the metal shield shell to which the heat dissipating module is assembled.Type: GrantFiled: August 2, 2019Date of Patent: March 9, 2021Assignee: Molex, LLCInventor: You-Qian Lu
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Patent number: 10921522Abstract: A first disclosure is an optical fiber member equipped with two holding members that hold an optical fiber such that an end surface of the optical fiber is located on one end and a curving portion having a coat of the optical fiber is curved to be extended at another end; the holding members are provided with holding flat portions that sandwich an end portion of the optical fiber where the coat is removed such that the end surface of the optical fiber is located on the one end; at least any of the holding flat portions has an aligning groove to fix a position of the end portion of the optical fiber; the holding member is provided with a curved surface at a position adjacent to the curving portion in the extending direction D1; and the two holding members are equal in thermal expansion coefficient.Type: GrantFiled: February 20, 2018Date of Patent: February 16, 2021Assignee: TDK CORPORATIONInventors: Hiroki Hara, Masahiro Shinkai, Takashi Kikukawa, Masami Sasaki, Ryohei Fukuzaki, Motohiro Nakahara, Tetsuo Miya, Shuji Tachi, Koichi Arishima
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Patent number: 10921527Abstract: Provided is an optical fiber holder comprising a holder body and a cover. The holder body has an accommodation section capable of accommodating a plurality of optical fibers. The holder body or the cover has at least one ridge which can be disposed within the accommodation section. When the cover is closed over the holder body, a plurality of sections which can parallelly accommodate the plurality of optical fibers are parallelly formed by the inner surface of the accommodation section, the lower surface of the cover, and the ridge.Type: GrantFiled: July 28, 2017Date of Patent: February 16, 2021Assignee: SEI OPTIFRONTIER CO., LTD.Inventors: Ryuichiro Sato, Hiroshi Takayanagi, Hiroshi Nakamura
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Patent number: 10914893Abstract: There is provided an optical waveguide laminate in which an organic base material layer comprised of an insulation layer and a coverlay is laminated to one surface of an optical waveguide and in which a portion of the organic base material layer is lacking so that the optical waveguide is uncovered. Inequalities P?70% and P?Q?25% are satisfied where P is the laser light transmittance in at least a portion of the optical waveguide, the laser light having a predetermined wavelength range, and Q is the laser light transmittance of at least a portion of the organic base material layer. In this optical waveguide laminate, the organic base material layer laminated to the optical waveguide is elaborately removed without being impaired or thermally damaged by laser machining.Type: GrantFiled: February 7, 2017Date of Patent: February 9, 2021Assignee: NITTO DENKO CORPORATIONInventor: Naoyuki Tanaka
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Patent number: 10914894Abstract: In one embodiment, a photonic waveguide comprises a layer of core material and a waveguide core extending through the core material. The core material surrounding the waveguide core is modified to simulate clad material. A method for forming the photonic waveguide is also disclosed herein.Type: GrantFiled: September 18, 2019Date of Patent: February 9, 2021Assignee: CISCO TECHNOLOGY, INC.Inventor: D. Brice Achkir
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Patent number: 10908412Abstract: An optical device may include an optical fiber having a fixed end and a free end; a first actuator positioned at a actuator position between the fixed end and the free end and configured to apply a first force on the actuator position of the optical fiber such that a movement of the free end of the optical fiber in a first direction is caused, wherein the first direction is orthogonal to a longitudinal axis of the optical fiber; and a deformable rod disposed adjacent to the optical fiber, and having a first end and a second end, wherein the first end is connected to a first rod position of the optical fiber and the second end is connected to a second rod position of the optical fiber.Type: GrantFiled: April 22, 2020Date of Patent: February 2, 2021Assignee: VPIX Medical IncorporationInventors: Kyungmin Hwang, Jeong Ho Lee, Koun Hee Lee, Ki Hun Jeong
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Patent number: 10902976Abstract: A cable device includes a sheath member, a number of electrical cables provided within the sheath member, and an optical fiber sensing member provided within the sheath member. The optical fiber sensing member includes a functionalized optical fiber based sensor device structured to exhibit a change in one or more optical properties in response to changes in a parameter of interest. Also, a method of sensing radiation includes introducing a source light into an optical fiber sensing member provided within a structure, wherein the optical fiber sensing member comprises a functionalized optical fiber based sensor device structured to exhibit a change in one or more optical properties in response to radiation, detecting sensing light generated in response to the source light, and determining a radiation level at a plurality of locations within the structure using the detected sensing light and a distributed sensing scheme.Type: GrantFiled: March 20, 2017Date of Patent: January 26, 2021Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventors: Peng Kevin Chen, Mohamed A. Bayoumy, Aidong Yan, Rongzhang Chen
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Patent number: 10901160Abstract: Multiplexer or demultiplexer module has a carrier plate with at least one wavelength-selective element, at least two focussing elements, a waveguide, preferably a fibre optic cable, for the transmission of an optical signal, which has a signal output or input for coupling the optical signal in or out and collimation optics, which are arranged between signal output and a first wavelength-selective element. In a demultiplexer module, forces transmitted via the waveguide to the demultiplexer module are diverted such that passive adjustment of the optical elements is hardly influenced. The demultiplexer module is connected to a detector plate, can be adjusted with respect to detectors located on a detector plate, and has a high thermal tolerance. The carrier plate has a stop for the waveguide preferably configured integrally with the carrier plate, wherein the waveguide or a coating surrounding the waveguide rests on or is fastened, preferably adhered to the stop.Type: GrantFiled: March 22, 2019Date of Patent: January 26, 2021Assignee: HUBER+SUHNER Cube Optics AGInventors: Thomas Petigk, Ingo Smaglinski
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Patent number: 10895707Abstract: Drop cable assemblies that can be routed from an outdoor terminal directly to an indoor wall outlet without disruption, and adhered to the interior of a dwelling after removal of the drop cable jacket and utilization of a pre-applied adhesive layer are described. Additionally, telecommunications systems utilizing such assemblies, methods of routing such assemblies and methods of making such assemblies are described.Type: GrantFiled: August 26, 2019Date of Patent: January 19, 2021Assignee: Corning Research & Development CorporationInventors: Victor J. Borer, Joseph C. Carls, William J. Clatanoff, Brian M. Cole, Cary A. Kipke, Donald K. Larson, Zachary M. Thompson, Daniel J. Treadwell
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Patent number: 10895702Abstract: An apparatus including a photonic integrated circuit (PIC) coupled to an optical bench is disclosed. The PIC includes at least one grating coupler disposed thereon and the optical bench includes an optical system disposed thereon. The apparatus also includes an integrated heater at an upper surface of the PIC under the optical bench or at a bottom surface of the optical bench over the PIC. The apparatus also includes a layer of solder disposed between the PIC and the optical bench for coupling the bottom surface of the optical bench to the PIC. In some implementations, the layer of solder is in thermal communication with the integrated heater.Type: GrantFiled: April 1, 2019Date of Patent: January 19, 2021Assignee: Google LLCInventors: Kevin Yasumura, Lieven Verslegers, Jill Berger
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Patent number: 10884196Abstract: A multi-fiber cable assembly includes an optical connector and a cable. The optical connector includes a connector body; an optical ferrule body, and alignment elements. The optical ferrule body has an end face defining a plurality of alignment openings arranged in rows and has a plurality of buckling chambers. Each buckling chamber is aligned with one of the rows of the alignment openings. The optical fibers of the cable have bare portions secured at a first end of the optical ferrule body using rigid epoxy. Each of the optical fibers is routed through one of the buckling chambers to one of the alignment holes.Type: GrantFiled: June 24, 2019Date of Patent: January 5, 2021Assignee: CommScope Technologies LLCInventors: Yu Lu, Steven C. Zimmel, Gregory J. Schaible
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Patent number: 10877229Abstract: Aspects disclosed herein include providing a photonic chip that includes an unetched side surface formed by a dicing process performed on a semiconductor wafer, and a first edge coupler that is optically exposed at the unetched side surface. The photonic chip is optically aligned with an external light-carrying medium. The first edge coupler is optically coupled with the external light-carrying medium through the unetched side surface.Type: GrantFiled: May 24, 2019Date of Patent: December 29, 2020Assignee: Cisco Technology, Inc.Inventor: Ravi S. Tummidi
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Patent number: 10877224Abstract: The present disclosure relates to a fiber optic connector for use with a fiber optic adapter. The fiber optic connector includes a connector housing having an end defining a plug portion. A ferrule assembly is mounted at least partially within the connector housing. The ferrule assembly includes a ferrule located at the plug portion of the connector housing. A sealing member is mounted about an exterior of the connector housing for providing a seal between the connector housing and the adapter. The fiber optic connector further includes first and second separate retaining mechanism for retaining the fiber optic connector within the fiber optic adapter.Type: GrantFiled: May 3, 2019Date of Patent: December 29, 2020Assignee: COMMSCOPE TECHNOLOGIES LLCInventors: Yu Lu, Randy Reagan
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Patent number: 10871654Abstract: There is provided an optical device, including a light-transmitting substrate having at least two parallel major surfaces, edges and an output aperture, an optical element for coupling light waves into the substrate to effect total internal reflection, at least one first reflecting surface having at least one active side, located between the two major surfaces of the light-transmitting substrate for coupling light waves out of the substrate, and a partially reflecting element positioned outside of the substrate, wherein light waves coupled out from the substrate through the output aperture, are partially coupled back into the substrate by the partially reflecting element.Type: GrantFiled: December 17, 2019Date of Patent: December 22, 2020Assignee: OORYM OPTICS LTD.Inventors: Yaakov Amitai, Nadav Amitai
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Patent number: 10865604Abstract: The disclosed embodiments include an optical fiber having a graphene coating, a method to apply a graphene coating onto an optical fiber, and a fiber optic cable having a graphene coating. In one embodiment, the optical fiber includes an optical core that extends along a longitudinal axis. The optical fiber also includes a carbon based coating that covers the optical core along the longitudinal axis. The optical fiber also includes a layer of graphene formed on a first surface of the carbon based coating. The layer of graphene is formed from a laser induction process that includes focusing a laser beam at the carbon based coating to photothermally convert the first surface of the carbon based coating into graphene.Type: GrantFiled: September 30, 2016Date of Patent: December 15, 2020Assignee: Halliburton Energy Services, Inc.Inventors: Satyan Gopal Bhongale, Daniel Joshua Stark, Etienne Samson, Li Gao