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| Number | Title | Issue Date |
| 8103142 | Preventing dielectric breakdown in optical fibers When transmitting in higher-order modes (HOMs), the chances of dielectric breakdown in the bulk glass can be reduced by judicious selection of the mode of transmission. Since energy distributions in the HOM profile change with the mode order, one can calculate the p... | 01/24/2012 |
| 7702203 | Armored fiber optic assemblies and methods of making the same Armored fiber optic assemblies are disclosed that include a dielectric armor along with methods for manufacturing the same. The dielectric armor has an armor profile, thereby resembling conventional metal armored cable to the craft. The dielectric armor provides add... | 04/20/2010 |
| 7555182 | Multi-layered water blocking cable armor laminate containing water swelling fabrics and associated methods of manufacture A multi-layered laminate armor wrap for use with a various cables is disclosed, the armor wrap having at least one water absorbing fabric layer, at least one polymer layer, and at least one layer fabricated from a metal or a metal alloy. Each layer in the multi-laye... | 06/30/2009 |
| 7536072 | Aluminum alloys for armored cables Disclosed is an armored electrical or optical cable that includes at least one flexible elongated conducting member for conducting electrical or optical signals and an armor layer surrounding the conducting member, the armor layer including a 5xxx aluminum alloy hav... | 05/19/2009 |
| 7529451 | Fiber optic cables using dry inserts for coupling and methods therefor A fiber optic cable including at least one optical fiber and at least one dry insert disposed within a cavity of a cable jacket and methods for manufacturing the same are disclosed. The dry insert has a first thickness and a second thickness located at different lon... | 05/05/2009 |
| 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 |
| 7430357 | Hermetic seal on metallized fiber optics A fiber optic cable includes multiple optical fibers extending from a low-pressure environment into a high-pressure environment. At a junction region, the optical fibers are substantially free of any coating, while the fibers include a coating in the low- and high-p... | 09/30/2008 |
| 7415181 | Fiber optic cables and assemblies for fiber to the subscriber applications A fiber optic cable has at least one optical fiber, at least one strength member having a major strength member dimension, and a cable jacket. The cable jacket has two major surfaces that are generally flat and includes a cavity with a cavity minor dimension general... | 08/19/2008 |
| 7397992 | Tubeless fiber optic cables having strength members and methods therefor Disclosed are tubeless fiber optic cables having strength members, methods of making the cables, and methods for making strength members. Specifically, the concepts of the invention inhibit the distortion and/or influence the cross-sectional shape of the tubeless fi... | 07/08/2008 |
| 7397993 | Fiber optic ribbons having an attachment portion Disclosed are fiber optic ribbons having at least one optical fiber and a protective covering such as a matrix material. The fiber optic ribbons include an attachment portion for providing the craft an installation option for securing the same. Specifically, the fib... | 07/08/2008 |
| 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 |
| 7336873 | Optical tube assembly having a dry insert and methods of making the same An optical tube assembly having at least one optical waveguide, at least one dry insert, and a tube. In one embodiment, the dry insert has a first layer and a second layer. The first layer is a polyurethane foam and the second layer is a water-swellable layer, where... | 02/26/2008 |
| 7324730 | Optical fiber cables for wellbore applications A cable which includes conductor bundles prepared from at least one optical fiber positioned either centrally or helically about the center axis of the bundle, metallic conductors helically positioned around the bundles center axis, and a polymeric insulation materi... | 01/29/2008 |
| 7313304 | Locatable dielectric optical fiber cable having easily removable locating element The present invention provides a dielectric optical fiber cable which is capable of being remotely detected while buried. Specifically, this invention incorporates a detectable and easily removable locating element which is attached to the optical fiber cable by a w... | 12/25/2007 |
| 7313303 | Telecommunication cable comprising a jointed optical core and method for jointing said core An optical cable having an optical core with a strength member and optical fibers embedded in a thermoplastic material. The optical core has a joint section having substantially the same diameter as the one of the optical core. The joint section has a jointed streng... | 12/25/2007 |
| 7308175 | Fiber optic structures that allow small bend radii A buffered optical fiber includes at least one optical fiber and a buffer layer. In one embodiment, the buffer layer generally surrounds the optical fiber and has a non-round cross-section that includes a plurality of wings that are an integrally formed by the buffe... | 12/11/2007 |
| 7302145 | Self-healing cable apparatus and methods Self-healing cable apparatus and methods are disclosed. The cable has a central core surrounded by an adaptive cover that can extend over the entire length of the cable or just one or more portions of the cable. The adaptive cover includes a protective layer having ... | 11/27/2007 |
| 7289705 | Cable having signal conductors surrounding optically transmissive core remote imaging system An optical imaging system with a flexible cable having a first end and a second end. The cable has a central core element including a flexible optical conduit, with a number of wires surrounding the core element to form a tube concentric with an axis defined by the ... | 10/30/2007 |
| 7281807 | Positionable projection display devices Described herein are devices that provide projection-type video output in a portable and flexible design. The design includes a projection chamber, a base, and an interface that permits relative positioning between the projection chamber and base. The base maintains... | 10/16/2007 |
| 7277615 | Fiber optic cable having a dry insert and methods of making the same A fiber optic cable and a method of making the same include at least one optical waveguide, at least one dry insert and a cable jacket. The at least one optical waveguide and at least one dry insert are at least partially disposed within a cavity of the cable jacket... | 10/02/2007 |
| 7272282 | Fiber optic cables and assemblies suitable for distribution Fiber optic cables and assemblies useful for distribution of the optical fibers to a network are disclosed. The fiber optic cables include a first strength component and a second strength component with a cable jacket generally surrounding the first and second stren... | 09/18/2007 |
| 7271341 | Cable components of silicone comprising glass fibers Cable components of silicone elastomer contain glass fibers having an average length of at least 1 m. The cable components retain substantial strength when exposed to heat or fire. ... | 09/18/2007 |
| 7254302 | Optical tube assembly having a dry insert and methods of making the same An optical tube assembly having at least one optical waveguide, at least one dry insert, and a tube. The at least one optical waveguide is disposed within the tube and generally surrounds the at least one optical waveguide. In one embodiment, the dry insert has a fi... | 08/07/2007 |
| 7254303 | Optical tube assembly having a dry insert and methods of making the same An optical tube assembly and method of manufacture include at least one optical waveguide, at least one dry insert that generally surrounds the at least one optical waveguide, and a tube. The dry insert includes a tape and at least one filament attached to the tape,... | 08/07/2007 |
| 7241953 | Support-separators for high performance communications cable with optional hollow tubes for; blown optical fiber, coaxial, and/or twisted pair conductors A high performance communications cable with core support-separators having various shaped profiles defining and maintaining a space between transmission multi-media or transmission multi-media pairs. The core may be of a conductive or insulative material. The centr... | 07/10/2007 |
| 7239781 | Composite fiber radial compression members in an umbilical The present inventions relate generally to umbilicals comprising at least one inner tube and at least one composite fiber element to provide greater resistance to radial compressive forces. Such umbilicals may be used in subsea hydrocarbon production applications. | 07/03/2007 |
| 7236670 | Optical tube assembly having a dry insert and methods of making the same An optical tube assembly and methods of manufacturing the same include a tube, at least one optical waveguide, and a dry insert. In one embodiment, the dry insert generally surrounds the at least one optical waveguide and forms a core that is disposed within the tub... | 06/26/2007 |
| 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 |
| 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 |
| 7220916 | Electric heating cable or tape having insulating sheaths that are arranged in a layered structure An electric heating cable or an electric heating tape having insulating sheaths of polytetrafluoroethylene (PTFE) being arranged in a layered structure is provided. At least one of the PTFE sheaths is protected by at least one adjacent insulating layer of a melt pro... | 05/22/2007 |
| 7217992 | Semiconductor device, semiconductor wafer, semiconductor module, and a method of manufacturing semiconductor device Semiconductor devices,-semiconductor wafers, and semiconductor modules are provided: wherein the semiconductor device has a small warp; damages at chip edge and cracks in a dropping test are scarcely generated; and the semiconductor device is superior in mounting re... | 05/15/2007 |
| 7218820 | Method and system for providing a hydrogen diffusion barrier for fiber optic cables used in hostile environments A fiber optic conduit for use in a hostile environment includes a hydrogen barrier shell that is disposed outwardly from an inner axial tube. The hydrogen barrier shell comprises a material that is capable of reducing hydrogen permeation through the fiber optic cond... | 05/15/2007 |
| 7200305 | Electro-optical cable for use in transmission of high voltage and optical signals under extremes of temperature An electro-optical cable (38) which includes an optical element (48) having an elongated glass fiber core (50), a medial cushioning layer (54) concentrically surrounding the glass fiber core, and an outer hard shell (56) material s... | 04/03/2007 |
| 7190866 | Distribution fiber optic cables having at least one access location and methods of making the same A method for manufacturing a distribution fiber optic cable is disclosed. The method comprises the steps of providing a plurality of optical fibers for a cable core. Transitioning at least one of the plurality of optical fibers between a first location and a second ... | 03/13/2007 |
| 7189312 | Under water cable system having an earthing electrode An earthing electrode assembly and method for providing a submerged electrical apparatus with an earth path, the electrode assembly having an earthing electrode, an attachment device for attaching the electrode assembly to a cable, and an insulated electrical connec... | 03/13/2007 |
| 7188406 | Methods of manufacturing enhanced electrical cables Disclosed are methods of manufacturing electrical cables. In one embodiment of the invention, method for manufacturing a wellbore cable includes providing at least one insulated conductor, extruding a first polymeric material layer over the insulated conductor, serv... | 03/13/2007 |
| 7184364 | Armored seabed laid seismic cable and method and apparatus for manufacturing same A method for wrapping continuous strands of steel wire about a seismic cable including interconnected sensor sections and conductor sections where a cross sectional diameter of the sensor section is at least four times that of the conductor section. Two layers of ar... | 02/27/2007 |
| 7177507 | Optical tube assembly having a dry insert and methods of making the same An optical tube assembly having at least one optical waveguide, at least one dry insert, and a tube. In one embodiment, the dry insert has a first layer and a second layer attached together with an adhesive. The dry insert also includes a plurality of particles havi... | 02/13/2007 |
| 7171086 | Process for manufacture of an optical transmission element with several dry and compressible filling elements as well as optical transmission element In a process for the manufacture of an optical transmission element with several optical waveguides and with a slot element each surrounding the optical waveguides, a filling compound is applied intermittently to the optical waveguides in a liquid state. The optical... | 01/30/2007 |
| 7170007 | Enhanced electrical cables Wellbore electrical cables according to the invention include at least one insulated conductor, at least one layer of armor wires surrounding the insulated conductor, and a polymeric material disposed in the interstitial spaces formed between armor wires and interst... | 01/30/2007 |
