Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7907807 | Pure silica core, high birefringence, single polarization optical waveguide Methods and apparatus provide for birefringent waveguides suitable for optical systems exhibiting polarization dependence such as interferometer sensors including Sagnac interferometric fiber optic gyroscopes (IFOG). The waveguides, for some embodiments, may offer s... | 03/15/2011 |
| 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 |
| 7402215 | Deformed wire for reinforcing marine optical fiber cable Deformed wire for a submarine optical fiber cable used for the pressure-proof layer of the submarine optical cable and having a high strength, that is, having a tensile strength of 1800 MPa or more, is provided, which deformed wire for reinforcing submarine optical ... | 07/22/2008 |
| 7289704 | Fiber optic cables that kink with small bend radii Fiber optic cables are disclosed that allow a relatively small bend radius and/or may kink while still preserving optical performance. In one embodiment, the fiber optic cable includes at least one optical fiber, a first strength member, a second strength member, a ... | 10/30/2007 |
| 7231119 | Dry fiber optic assemblies and cables A tube assembly of the present invention has at least one subunit with at least one dry insert generally surrounding the subunit which may be disposed within a tube, thereby forming a tube assembly. The subunit includes a fiber optic ribbon and a sheath, wherein the... | 06/12/2007 |
| 7224872 | Rugged fiber optic array An array of fiber optic hydrophones or geophones is formed by winding of optical fiber around a continuous, yet flexible cylindrical core. The cylindrical core contains an elastomer filled with a specified percentage of voided plastic microspheres. The elastomer pro... | 05/29/2007 |
| 7221831 | Multi-tube fiber optic cable and system and method for making the same A multi-tube fiber optic cable maintains a plurality of fiber tubes, each fiber tube containing at least one optical fiber therein. The plurality of fiber tubes are disposed apart from a central axis of the cable. A plurality of strength members are disposed apart f... | 05/22/2007 |
| 7203396 | All optical chopping using logic gates apparatus and method An all optical chopping device for shaping and reshaping comprising an all optical AND logic gate having a first input for receiving a first optical signal, a second input for receiving a second optical signal and at least one output. The AND gate may be arranged to... | 04/10/2007 |
| 7158707 | Solid core optic fiber and method for the production thereof An optical insulated core with a coated optical fiber (2) shows a core jacket (4) with a core jacket material containing polyvinylchloride (41) which is applied to the coating of the optical fiber. It contains a solid component (42) distr... | 01/02/2007 |
| 7140435 | Optical fiber conveyance, telemetry, and/or actuation Methods and apparatus comprise a conveyance structure to carry a tool into a wellbore. The conveyance structure contains an optical fiber line to enable communication between the tool and well surface equipment. In one implementation, the conveyance structure compri... | 11/28/2006 |
| 7135655 | Arc welding cable An arc welding cable that is resistant to bending and twisting and can give a long life is provided. For this purpose, an arc welding cable (65) for supplying a welding current, a welding wire and a sealed gas from a wire feeding device (61) to a weldi... | 11/14/2006 |
| 7113680 | High density fiber optic cable A fiber optic cable includes at least one at least one bundle having a plurality of non-tight buffered optical fibers and a binder element for maintaining the integrity of the bundle. The binder element may be, for example, a binder thread. The fiber optic cable may... | 09/26/2006 |
| 7010201 | Composite structural components containing thermotropic liquid crystalline polymer reinforcements for optical fiber cables A process for producing an optical fiber cable composite structural component, such as reinforcing members, buffer tubes, filler rods, jackets, and slotted cores, is disclosed. The composite structural components are produced by co-extruding a thermotropic liquid cr... | 03/07/2006 |
| 6990266 | Optical switching element, and switching device and image display apparatus each using the optical switching element An optical switching element having a simple configuration and high response and capable of performing gradation display by area gradation is provided. In a state where a light extracting portion is in contact with an upper substrate, light enters the light extracti... | 01/24/2006 |
| 6782011 | Lensed polarization maintaining fiber and its manufacturing method, and semiconductor laser module using the same and its manufacturing method A lensed polarization maintaining fiber having a lens on an end thereof has a core, two stress-applied regions disposed on both sides of the core, respectively, and a clad containing the core and stress-applied regions. The lens has at least an inclined face, the in... | 08/24/2004 |
| 6775444 | Fiber optic assemblies and methods of making the same A fiber optic assembly and method of manufacturing the same include at least one central strength member, a first layer of optical fibers, a second layer of optical fibers, and a jacket. The first and second layers of optical fibers are adjoining layers formed by a ... | 08/10/2004 |
| 6618526 | Fiber optic cables A fiber optic cable having at least two interfaces being formed by first and second members. Between the interfaces is at least one retention area having an optical fiber component disposed therein. The retention area is disposed generally longitudinally ... | 09/09/2003 |
| 6459836 | Corrugated armor for providing protection and tensile stiffness A protective cable armor for cable having tensile stiffness and providing structural protection from invasion by foreign objects. The armor comprises a substantially planar sheet member having a length and a width and an intermittent corrugation pattern d... | 10/01/2002 |
| 5293442 | Crush-resistant high-strength buffered optical waveguide fiber cable A polymer-insulated crush-resistant high-strength optical waveguide fiber cable buffered by a braided layer of porous polytetrafluoroethylene fibers to provide strength, a low thermal expansion coefficient buffer, and strong environmental protection.... | 03/08/1994 |
| 5222173 | Electro-optical overhead wire with at least 24 light wave guides The electro-optical overhead wire is made from a plurality of circular cross-sectioned strand elements and consists of a core and a plurality of wire layers surrounding the core radially. The wire layers include at least one layer of chiefly electrically ... | 06/22/1993 |
| 5150443 | Cable for data transmission and method for manufacturing the same A cable for data transmission comprising a core comprising at least one energy transmission line; a jacket enclosing the core; armor strands wound around the jacket; and an embedding elastic structure, surrounding the jacket and designed to receive the ar... | 09/22/1992 |
| 4913516 | Submarine optical fiber cable The present invention relates to a submarine optical fiber cable which is comprised of a plurality of relatively large diameter tension wires wound around an optical fiber unit in a close fitting manner so as to form a single layer which acts as a tension... | 04/03/1990 |
| 4893893 | Strengthened buffered optical fiber A buffer optical fiber (20) includes an optical fiber (21) comprising a core and a cladding. The optical fiber is enclosed by a plastic buffer layer (50). Interposed between the optical fiber and the buffer layer are a plurality of fibrous strands (25--25... | 01/16/1990 |
| 4869573 | Aerial optical cable and its method of manufacture An optical cable, especially suitable for use as an aerial cable, comprises a circumferentially rigid flexible tube which is of composite form and comprises a plurality of elongate flexible bodies helically laid up together, each of which bodies is of a c... | 09/26/1989 |
| 4867528 | Pressure-resistant sheath of a submarine optical fibre cable and method for the production thereof Cross-sectionally fan-shaped metal segments 10a, 10b and 10c, shown in FIG. 1, are longitudinally assembled along an optical fibre to form a pressure-resistant sheath 10 for protecting an optical fibre unit for use in a transmission medium of a submarine ... | 09/19/1989 |
| 4783138 | Cable and method of manufacture A cable, particularly a cable of optical transmission elements arranged in a cable core surrounded by a covering or winding of tension supporting elements and an external cladding characterized by at least one adhesive layer disposed between the cladding ... | 11/08/1988 |
| 4696542 | Armored optical fiber cable An optical well logging cable and method of fabrication is provided which utilizes the combination of optical fiber means having a proof test stress value of at least about 150,000 pounds per square inch with a surrounding and protecting arrangement of he... | 09/29/1987 |
| 4606604 | Optical fiber submarine cable and method of making An optical fiber submarine cable includes a fiber optic bundle sealed within a precompressed electrically conductive tube defining a hermetic cavity. An inner layer of helically wound copper-plated steel wires is disposed around the electrically conductiv... | 08/19/1986 |
| 4497537 | Electric and/or optical cable In an electric and/or optical cable for use suspended under water at depths of at least 1,000 m or for direct burial in the ground, each core is surrounded by a water-impermeable barrier comprising a cushioning layer of elastomeric material and, a longitu... | 02/05/1985 |
| 4390238 | Optical telecommunication element, method of manufacturing same, and optical telecommunication cable comprising the element An optical telecommunication element which is constructed from a central optical fiber which is under an axial pressure and which is incorporated in a close-fitting sheath of supporting fibers having a modulus of elasticity which is at least 4000 kg/mm | 06/28/1983 |
| 4331378 | Reinforced optical fiber cable with glass or silica core A reinforced optical fiber cable comprises (i) an optical filamentary material with a glass or silica core and a lower index of refraction sheath, (ii) a reinforcement comprising at least two polymeric fibers having an elastic modulus above 10,000,000 psi... | 05/25/1982 |
| 4231635 | Communication cable with glass fiber light waveguides A communication cable having at least one light waveguide of a glass fiber provided with a close fitting casing characterized by the casing being prestressed in tension to exert a uniform constant longitudinal compression upon the glass fiber. The casing ... | 11/04/1980 |
| 4169657 | Laminated strength members for fiber optic cable A fiber optic cable having a plurality of pre-stretched strength members associated therewith. The strength members are maintained in a pre-stretched condition by adhering the strength members to at least one laminant after stretching. The strength member... | 10/02/1979 |
| 4076382 | Optical cable with plastic multilayer sheath In order to protect the transmission elements in an optical cable against mechanical stresses the cable is provided with a plastic sheath which consists of an inner layer of polyurethane and an outer layer of polyvinylchloride with a serving of polyamide ... | 02/28/1978 |
