Patent application number | Description | Published |
20110182556 | PLASTIC-CLADDING OPTICAL FIBER - A plastic-cladding optical fiber is provided. The plastic-cladding optical fiber is provided includes: a core layer made of quartz glass; and a cladding layer formed by hardening a curable resin composition over a periphery of the core layer. Adhesion between the core layer and the cladding layer ranges 1.5 g/mm to 4.0 g/mm. | 07-28-2011 |
20120177329 | COATED PLASTIC CLADDING OPTICAL FIBER AND OPTICAL FIBER CABLE - A coated plastic cladding optical fiber and an optical fiber cable, in which a transmission loss caused when this coated fiber or this fiber cable is bent in a small radius is small, and which can be used sufficiently as a USB cable or a HDMI cable in a high speed transmission, are provided. | 07-12-2012 |
20130084048 | MULTI-MODE OPTICAL FIBER - The present invention relates to a multi-mode optical fiber having a structure to reduce the numerical aperture at the emission end of the multi-mode optical fiber having a length for which practical use is assumed. The multi-mode optical fiber comprises a core portion, a trench portion, and a cladding portion. The multi-mode optical fiber is designed such that the numerical aperture at the emission end thereof is reduced as the fiber length increases, and moreover such that the numerical aperture of the multi-mode optical fiber having a length for which practical use is assumed satisfies a specific condition. By this means, the numerical aperture at the emission end of the multi-mode optical fiber can be kept small, and coupling efficiency of the multi-mode optical fiber with other optical components is drastically improved. | 04-04-2013 |
20130094818 | CONNECTOR ASSEMBLY - A connector assembly capable of efficiently dissipating heat is provided. The connector assembly includes: an optical cable; and a connector module, and the optical cable includes an optical fiber core wire, an outer cover provided around the optical fiber core wire, and a metallic braid provided between the optical fiber core wire and the outer cover, and the connector module includes a housing defining a space, and a circuit board received in the space of the housing and mounted with a photoelectric conversion unit connected with the optical fiber core wire, and the metallic braid of the optical cable and the circuit board of the connector module are thermally connected to each other. | 04-18-2013 |
20130129288 | OPTICAL CABLE - An optical cable comprises an optical fiber ribbon, a tension member and a sheath. The optical fiber ribbon is constructed by integrating a plurality of optical fibers arranged in parallel. The sheath is provided so as to surround the optical fiber ribbon. The sheath is used for protecting the optical cable. One optical fiber ribbon is arranged twistably within an inner space surrounded by the sheath. | 05-23-2013 |
20130266280 | PHOTOELECTRIC COMPOSITE CABLE - The photoelectric composite cable | 10-10-2013 |
20140079362 | OPTICAL FIBER - An optical fiber | 03-20-2014 |
20140119698 | OPTICAL CABLE - An optical cable comprises a coated optical fiber having an optical fiber which includes a core made of glass and a cladding surrounding the core and a jacket made of a thermoplastic resin. The jacket is directly covering the coated optical fiber while in close contact therewith. In the optical cable, the optical fiber has the highest modulus of elasticity in materials constituting the optical cable, a glass diameter of the optical fiber is at least 30 μm but not more than 200 μm while being 5% or less of a cable diameter of the optical cable, and a distortion occurring in the optical fiber when bending the optical cable by 180° is 6% or less. | 05-01-2014 |
20140178019 | OPTICAL CABLE - In an optical cable | 06-26-2014 |
20140219617 | OPTICAL CABLE - An optical cable includes an optical fiber ribbon core wire provided with an optical fiber having a core and a cladding that surrounds the core, a sheath that surrounds the optical fiber ribbon core wire, and a braid arranged inside the sheath. The braid is formed to include wires woven with each other. In the optical cable, the wire that forms the braid is pushed into the sheath so that the sheath is integrated with the braid. | 08-07-2014 |
20140328565 | MULTIMODE OPTICAL FIBER AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a multimode optical fiber which can provide a smooth cut face suitable for fusion splicing between fibers. The multimode optical fiber has at least a core extending along a central axis and having an α-power refractive index profile, and a cladding, and a residual stress distribution in the core along a radial direction from the central axis has a shape with a maximum at a position intersecting with the central axis. | 11-06-2014 |
20140338969 | OPTICAL-ELECTRICAL COMPOSITE CABLE - An optical-electrical composite cable | 11-20-2014 |
20140376866 | OPTICAL FIBER AND OPTICAL CABLE - An optical fiber includes a core, a clad and a coating layer. The core is made of glass, has a higher refractive index than that of the clad, and can guide propagating light. The clad surrounding the core is made of glass or plastic. The coating layer surrounding the clad is made of plastic. The core has a diameter d1 of from 70 to 105 μm. The clad has a diameter d2 of from 80 to 130 μm. The glass has a diameter of from 70 to 130 μm. The coating layer has a thickness t3 of from 12.5 to 85 μm. The optical fiber has an effective numerical aperture NA of from 0.28 to 0.35. The optical fiber of this embodiment has a transmission loss of 20 dB/km or smaller and a transmission bandwidth of 40 MHz·km or larger at an 850-nm wavelength. | 12-25-2014 |
20150030296 | OPTICAL FIBER RIBBON - An optical fiber ribbon | 01-29-2015 |
20150078716 | OPTICAL FIBER AND OPTICAL CABLE - The present invention relates to an optical fiber and an optical cable which can be used for a long term even under environments in which an oil content migrates into them, and the optical fiber has a glass fiber extending along a predetermined axis, and a coating. The coating is composed of a plurality of layers each of which is comprised of an ultraviolet curable resin or a thermosetting resin, and swelling rates of the respective coating layers are set so that they increase from an outer peripheral surface of the glass fiber to an outer peripheral surface of the cable jacket. | 03-19-2015 |