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| Number | Title | Issue Date |
| 7934874 | Holder, fusion-splicing apparatus, and manufacturing method of optical connector A holder capable of protecting an optical connector ferrule from an external shock, or the like and executing a fusion-splice of a short optical fiber not to take out the optical connector ferrule from the holder is obtained. A holder for holding a connector ... | 05/03/2011 |
| 7874742 | Splicing device for optical fibers and method for operating a splicing device for optical fibers A splicing device for optical fibers comprises a programmable splicing apparatus which can be controlled by means of at least one program parameter, for connecting optical fibers, and a speech recognition unit. Spoken text is detected via the speech recognition unit... | 01/25/2011 |
| 7712981 | Compact, active alignment fusion splicer with automatic view-angle compensation In accordance with various aspects of the present invention, provided is an extremely compact, simple, and cost-effective approach for aligning optical fibers in an optical fiber fusion splicer. The basis of this alignment method is an “S”-Curve Piezo Bending Ac... | 05/11/2010 |
| 7503707 | Methods for splicing optical fibers using an optical fiber repair apparatus with adjustable guide member Methods for splicing optical fibers include coupling a first optical fiber cable to a longitudinally extending closure frame and coupling a second optical fiber cable to an adjustable guide member on the closure frame. The adjustable guide member is moved toward the... | 03/17/2009 |
| 7438485 | Optical fiber fusion splicer and optical fiber loading device An optical fiber loading device includes a loading stage, which includes a first clamp block, fitted in a first opening defined in a first base portion, including first grooves adapted to position first optical fibers of a first optical fiber cable; and a first clam... | 10/21/2008 |
| 7403686 | Fiber optic cable splicing technique The invention is a staggered splice and method for making the same. The staggered splice is used to join two multi-fiber optic cables. Each opposing pair of optic fibers is cleaved such that they all have substantially the same combined length and provide fully oper... | 07/22/2008 |
| 7377703 | Flexible ferrule device for connection of optical fiber and use thereof The present invention is directed to a connector assembly for connecting optical fibers in optical communication systems, and particularly to flexible ferrule device for connecting optical fibers for such use. The present invention further relates to a method of con... | 05/27/2008 |
| 7371019 | Method and apparatus for sensing light Disclosed is an optical apparatus including an optical fiber having a wavelength of operation, the optical fiber comprising a first length of the optical fiber joined to a second length of the optical fiber with a splice such that the first and second lengths are in... | 05/13/2008 |
| 7369738 | Optical connector and fiber distribution unit An optical connector for terminating an optical fiber comprises a housing configured to mate with a receptacle and a collar body disposed in the housing. The collar body includes a fiber stub disposed in a first portion of the collar body, the fiber stub including a... | 05/06/2008 |
| 7343258 | Fusion temperature calibration The present invention relates to a method for accurately calibrating fusion temperature in optical fiber splicing. With assistance of direct arc-recentering technique, two optical fibers are spliced and then continuously heated with a post-fusion process. In the pro... | 03/11/2008 |
| 7343218 | Automatic part feedback compensation for laser plastics welding A feedback control system for controlling a laser source. The feedback control system includes a laser source outputting laser energy and an optical sensor detecting the laser energy. The optical sensor outputs a measured signal in response to a measured amount of t... | 03/11/2008 |
| 7333709 | Splice holder device A splice holder device includes a tray mountable in a telecommunications closure, the tray including a splice mounting mechanism configured to receive a splice device. The splice holder device also includes first and second fiber clamps disposed on the tray, wherein... | 02/19/2008 |
| 7316381 | Articulated bearing supports for laser resonators In a bearing support (10) for a laser resonator, adjacent support sections (11a, 11b) are directly and undetachably connected to each other by an articulated deflectable joint (12). An additional vertical safety on the beari... | 01/08/2008 |
| 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 |
| 7294843 | Method and apparatus for determining an optimal gap distance between an optical fiber and an optical device An optical alignment system for optimizing a gap distance between an optical fiber end and an optical device uses an atomic force present when the gap distance approaches optimal alignment according to changes in an oscillating fiber amplitude at a fiber resonance f... | 11/13/2007 |
| 7292765 | Optical fiber holding apparatus and optical fiber fusion-splicing apparatus including the same The present invention relates to an optical fiber holding apparatus and the like, which has a structure for stably holding optical fibers with a satisfactory force without interfering with other components even when the apparatus is miniaturized. The optical fiber h... | 11/06/2007 |
| 7267495 | Connection method and connecting structure for photonic crystal fiber A connection method for a photonic crystal fiber for connecting the photonic crystal fiber and a fiber to be connected, the photonic crystal fiber including a cladding region having a number of microholes and a core region having a same refractive index as that of t... | 09/11/2007 |
| 7264410 | Dual function splice component for mechanical splice connector A fiber optic mechanical splice connector including a single connector element operable for providing optical fiber alignment and strain relief includes opposed splice components that define first and second grooves for receiving the bare glass portions of mating op... | 09/04/2007 |
| 7264401 | Panel-mountable optical fiber splice A panel-mountable fiber optic splice is provided for interconnecting first and second optical fibers through an opening in a panel, bulkhead, wall or the like. The optical fiber splice includes a housing configured to be inserted into the opening in the panel, a spl... | 09/04/2007 |
| 7263260 | Low cost, high precision multi-point optical component attachment A method for precisely aligning a first optical component to a second optical component that is coupled to a substrate. At least one of a number of coupling elements is modified to attach the first optical component to the substrate. An optical coupling quality of t... | 08/28/2007 |
| 7258496 | Optical fiber connection tool and optical fiber connection method An optical fiber connecting tool is provided in which an optical fiber connecting tool 5 is used which has a ferule 7, a connecting structure 10 which has two clamping sections 18, 19 which are disposed in a ferule 7. A pre-install... | 08/21/2007 |
| 7255498 | Low profile system for joining optical fiber waveguides A compact, low profile splicing system for joining optical fibers produces durable, low transmission loss fusion splices. The system employs active optical techniques such as profile alignment or local injection and detection to achieve optimized alignment of the fi... | 08/14/2007 |
| 7242829 | Method and apparatus for integrated optical fiber sensing with nanometer precision An optical package suitable for alignment with a conductively coated optical fiber includes a base having an electrode which forms a capacitance with the conductively coated optical fiber. An optical alignment system computes a capacitance measure when the optical f... | 07/10/2007 |
| 7233027 | Arrangement comprising at least two different electronic semiconductor circuits The invention relates to an arrangement comprising at least two different electronic semiconductor circuits (HS) in which each of the semiconductor circuits (HS) is a component made of semiconductor material and which has an electrically active surface and electroni... | 06/19/2007 |
| 7220061 | Connector-plug part for an optical plug-in connection, method for connecting a connector-plug part to the end of an optical waveguide cable and device for carrying out said method In order to advantageously weld a pre-mounted connector-plug part (1) to an optical waveguide cable, the connector-plug part is provided with a pin holder (4) receiving a connector-plug pin (2) on a pin receiving section (5). Preferably, ... | 05/22/2007 |
| 7216512 | Method of making an optical fiber by laser cleaving A field-installable connector includes a connector housing and a ferrule having front and rear opposed faces and at least one fiber bore defined longitudinally therethrough. A laser processed stub optical fiber is disposed within the one fiber bore of the ferrule an... | 05/15/2007 |
| 7208855 | Fiber-optic cable as integral part of a submersible motor system Apparatus, systems and methods are provided for transmission of optical signals through a wellbore whereby optic fibers are protected from exposure to harsh downhole fluids and conditions. The system comprises a power cable assembly running down hole from the surfac... | 04/24/2007 |
| 7202952 | Fabrication and alignment device A system for actively aligning an optoelectronic device including a frame, a mounting and alignment assembly, and a camera. The mounting and alignment assembly can be movably connected to the frame and is configured to mount separate portions of an optoelectronic de... | 04/10/2007 |
| 7192195 | Methods and apparatus for estimating optical insertion loss A method for estimating insertion loss at a mechanical joining point between adjoining optical fibers includes introducing light energy into an optical fiber, using light collecting means to collect the light energy emanating from the optical fiber proximate the mec... | 03/20/2007 |
| 7186032 | Optical coupled system An interface system and a method of making an interface assembly or connection between a first device having a number of optical leads and a second device having a number of optical leads. In the preferred process one forms an optical fabric assembly having a number... | 03/06/2007 |
| 7181111 | Apparatus for splicing optical fibers An apparatus for aligning the cores of the two optical waveguides. The apparatus includes a control loop for receiving an aligning signal launched through the core of one of the optical waveguides. The control loop may effectuate the aligning signal to propagate thr... | 02/20/2007 |
| 7175352 | Connector-plug part for an optical plug-in connection In order to advantageously weld a pre-mounted connector-plug part (1) to an optical waveguide cable, the connector-plug part is provided with a pin holder (4) receiving a connector-plug pin (2) on a pin receiving section (5). Preferably, ... | 02/13/2007 |
| 7168864 | Fusion splicing method and fusion splicer for different-diameter optical fibers A method of fusion splicing optical fibers with different diameters, comprising: (a) preheating for a predetermined period of time an end of a large-diameter optical fiber; (b) advancing relatively the small-diameter optical fiber toward large diameter fiber; (c) pr... | 01/30/2007 |
| 7151877 | Optical fiber axial alignment method and related device, and optical fiber fusion splicing method and related device An optical fiber axial alignment method and related method, and an optical fiber fusion splicing method and related device are disclosed wherein a butt alignment section 9 has a butt alignment groove portion 7 to allow at least one pair of optical fibe... | 12/19/2006 |
| 7144165 | Fiber splicer Optical fibers (1, 1′) are fusion spliced to each other by using a CO2 laser (109) having an emission wavelength of 9.3 microm. The heat absorption of the fibers is higher and the variation of the absorption for small deviations of the wavelength is ... | 12/05/2006 |
| 7146083 | Etched plate alignment method and apparatus An alignment apparatus for optical components includes chemically co-etched parts which may be assembled with high tolerances and in a repeatable manner. The resulting construction, together with a translatable stage and/or a micrometer, allows for rapid and extreme... | 12/05/2006 |
| 7140786 | Method for fusion splicing optical fibers and fusion splicer A method and apparatus capable of fusion splicing optical fibers to have a low loss or a prescribed loss. The method includes (a) detecting fiber positions and core positions of optical fibers to be spliced at an abutting position and a fiber offset that is caused w... | 11/28/2006 |
| 7140787 | Optical fiber mechanical splice with strain relief mechanism An optical fiber splicing member can hold optical fiber buffer coatings stably in a simple structure as compared with conventional art and enables use of an existing splicing tool. There are provided a joint element 110, a jacket 120, buffer retainers ... | 11/28/2006 |
| 7090414 | Automatic apparatus for cleaving optical fiber waveguides An apparatus and method for cleaving an optical fiber waveguide comprises a support base, a fixed fiber support including a fixed fiber base and a self-aligning fiber holder, a fiber pull tension assembly including a tension assembly base and a rotatable pull clamp,... | 08/15/2006 |
| 7088880 | Optical fiber coupling and inline fault monitor device and method An optical fiber connection arrangement includes an alignment sleeve for coaxially aligning optical fibers mounted in ferrules. A gap between the ends of the optical fibers allows some light to escape. A sensor responds to the leaked light, and the resulting signal ... | 08/08/2006 |
