Patents Examined by Brian Healy
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Radio frequency identification (RFID) in communication connections, including fiber optic components
Patent number: 8333518Abstract: Radio frequency identification (RFID)-equipped communication components are disclosed. The communication components can include fiber optic components, such as fiber optic connectors and fiber optic adapters as examples. An RFID-equipped circuit is provided in the communication components to communicate information. In order that the electrical circuit be provided in the communication component without altering the communication component connection type, the circuit may be disposed in at least one recessed area of the communication component housing. In this manner, the communication component maintains its connection type such that it is compatible with a complementary communication component connection type for backwards compatibility while also being RFID-equipped.Type: GrantFiled: March 13, 2012Date of Patent: December 18, 2012Assignee: Corning IncorporatedInventors: Ashley Wesley Jones, Peter Timothy Travis, James Scott Sutherland -
Patent number: 8335417Abstract: A crush-resistant fiber optic cable is disclosed, wherein the cable includes a plurality of bend-resistant multimode optical fibers. The fibers are generally arranged longitudinally about a central axis, with no strength member arranged along the central axis. A tensile-strength layer surrounds the plurality of bend-resistant optical fibers. A protective cover surrounds the tensile-strength layer and has an outside diameter DO in the range 3 mm?DO?5 mm.Type: GrantFiled: September 23, 2010Date of Patent: December 18, 2012Assignee: Corning Cable Systems LLCInventor: James A. Register, III
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Patent number: 8328432Abstract: A fiber optic cable assembly includes a fiber optic connector and a fiber optic cable having at least one strength element, the connector and cable held together by a crimp band. The crimp band may include at least one lateral aperture on at least one end for inspecting the disposition of the strength element prior to crimping to ensure a uniform distribution of the strength element.Type: GrantFiled: November 23, 2010Date of Patent: December 11, 2012Assignee: Corning Cable Systems LLCInventors: Terry L. Cooke, David L. Dean, Jr., Christopher S. Houser, James M. Wilson
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Patent number: 8330895Abstract: In a method for making an antiglare film including the casting, the releasing, the drying, the applying and the curing as defined herein, the transparent particles have an average primary particle size of greater than 2.5 ?m and not greater than 12 ?m, the transparent base has on at least one side thereof flat portions substantially parallel to a film-forming plane and rounded protrusions arising from the transparent particles, the protrusions having a maximum height Rt from the flat portions of from 1 to 15 ?m, and the cured layer has an average thickness of from 1 to 15.0 ?m and a surface profile with an arithmetic average roughness Ra, a mean spacing between peaks Sm, and an average slope ?a, all as measured in accordance with JIS B0601, satisfying the relationships (1) to (3) as defined herein.Type: GrantFiled: March 30, 2010Date of Patent: December 11, 2012Assignee: FUJIFILM CorporationInventors: Jun Watanabe, Hiroyuki Yoneyama, Takato Suzuki
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Patent number: 8330903Abstract: A liquid crystal display, comprising an array substrate and a color filter substrate, wherein a combination type mark is disposed on both of the array substrate and the color filter substrate, and the combination type mark comprises a rough mark and a fine mark that is located around the rough mark; and wherein the rough mark on the array substrate corresponds to the rough mark on the color filter substrate, and the fine mark on the array substrate corresponds to the fine mark on the color filter substrate.Type: GrantFiled: August 31, 2010Date of Patent: December 11, 2012Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Yuhua Li, Kun Cao
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Patent number: 8325299Abstract: The present invention provides a manufacturing method for a liquid crystal display device, wherein the liquid crystal display device comprises first and second color filters provided on the liquid crystal side of one of a pair of substrates which are positioned so as to face each other and sandwich liquid crystal in between so as to be adjacent to each other, and a first side portion of the first color filter on the second color filter side overlaps with a second side portion of the second color filter on the first color filter side, characterized in that the border between the light blocking region and the non-light blocking region in a photomask for forming the first color filter, which corresponds to the first side portion, has a zigzag pattern with repeating mountains and valleys along this border, and the border between the light blocking region and the non-light blocking region in a photomask for forming the second color filter, which corresponds to the second side portion, has a zigzag pattern with repType: GrantFiled: April 13, 2010Date of Patent: December 4, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Toshimasa Ishigaki, Yasukazu Kimura, Jun Fujiyoshi
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Patent number: 8325296Abstract: A light-transmitting substrate has an uneven profile on at least one surface thereof, the light-transmitting substrate contains a thermoplastic resin and a flat translucent particle; a tilt angle of the uneven profile on at least one surface of the light-transmitting substrate has the following distribution: (a) an integral value of frequencies of from 0° to less than 1.0° is from 0% to less than 25%, (b) an integral value of frequencies of from 1.0° to less than 10° is from 60% to less than 100%, and (c) an integral value of frequencies of 10° or more is from 0% to less than 25%, and an average distance between trough and crest in the uneven profile is from 10 to 300 ?m.Type: GrantFiled: March 30, 2010Date of Patent: December 4, 2012Assignee: FUJIFILM CorporationInventors: Hiroyuki Yoneyama, Jun Watanabe
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Patent number: 8326100Abstract: An apparatus that comprises an optical-mode-converter. The optical-mode-converter includes a optical waveguide including a segment directly located on a substrate and a cantilevered segment located over said substrate and separated from said substrate by a cavity, and, said cantilevered segment includes a core surrounded by a cladding. The optical-mode-converter also includes a dielectric material filling said cavity and contacting said cantilevered segment over said cavity, wherein said dielectric material has a refractive index that is less than a refractive index of said cladding and that is no more than about 20 percent less than said refractive index of said cladding.Type: GrantFiled: September 27, 2010Date of Patent: December 4, 2012Assignee: Alcatel LucentInventors: Long Chen, Christopher R. Doerr, Young Kai Chen
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Patent number: 8325285Abstract: A method of manufacturing, with high mass productivity, liquid crystal display devices having highly reliable thin film transistors with excellent electric characteristics is provided. In a liquid crystal display device having an inverted staggered thin film transistor, the inverted staggered thin film transistor is formed as follows: a gate insulating film is formed over a gate electrode; a microcrystalline semiconductor film which functions as a channel formation region is formed over the gate insulating film; a buffer layer is formed over the microcrystalline semiconductor film; a pair of source and drain regions are formed over the buffer layer; and a pair of source and drain electrodes are formed in contact with the source and drain regions so as to expose a part of the source and drain regions.Type: GrantFiled: December 21, 2011Date of Patent: December 4, 2012Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Yukie Suzuki, Hideaki Kuwabara, Hajime Kimura
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Patent number: 8326104Abstract: The present disclosure relates to a telecommunications cable having a layer constructed to resist post-extrusion shrinkage. The layer includes a plurality of discrete shrinkage-reduction members embedded within a base material. The shrinkage-reduction members can be made of a liquid crystal polymer. The disclosure also relates to a method for manufacturing telecommunications cables having layers adapted to resist post-extrusion shrinkage.Type: GrantFiled: December 21, 2011Date of Patent: December 4, 2012Assignee: ADC Telecommunications, Inc.Inventor: Wayne M. Kachmar
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Patent number: 8325293Abstract: A method for producing a light scattering film is provided and includes: casting onto a support a dope containing at least a thermoplastic resin and light transmitting particles to provide a casted film, and peeling and drying the casted film to prepare a light transmitting base material; applying an coating solution containing at least a curable compound, a polymerization initiator, and a solvent onto the light transmitting base material and drying the solvent; and curing the curable compound to form a cured layer. At least one surface of the light transmitting base material has an asperity shape, the light transmitting particles have an average primary particle size greater than 2.5 ?m but not greater than 12 ?m, the cured layer has an average thickness of 0.1 ?m or greater but not greater than 10.0 ?m, and the cured layer satisfies the specific formulae.Type: GrantFiled: March 30, 2010Date of Patent: December 4, 2012Assignee: FUJIFILM CorporationInventors: Jun Watanabe, Hiroyuki Yoneyama, Daisaku Abiru
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Patent number: 8320719Abstract: A method is provided for tuning the fiber optic retarder of a fiber optic current sensor towards a desired temperature dependence, the sensing fiber is exposed to a magnetic field or corresponding electric current and the sensor signal as well as the signal's dependence on the retarder temperature are measured. From this initial sensor signal and its temperature dependence, a target sensor signal can be determined, at which the dependence on the retarder temperature equals a desired value. Then, the retarder is thermally treated until the sensor signal reaches the target value. The method obviates the need for repetitively measuring the temperature dependence during the tuning process.Type: GrantFiled: September 27, 2010Date of Patent: November 27, 2012Assignee: ABB Research LtdInventors: Robert Wueest, Andreas Frank, Klaus Bohnert, Philippe Gabus
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Patent number: 8320721Abstract: An optical mode transformer comprises a first waveguide including a first core, a first cladding and an end facet configured to be coupled to an optical fiber. The transformer further includes a second waveguide comprising a second core, a second cladding and an end directly coupled to an end of the first waveguide. A third waveguide comprises a third core and a third cladding, and is arranged with respect to the second waveguide so as to realize an evanescent optical coupling with the second waveguide. The third core includes a tapered region wherein evanescent coupling takes place, and wherein a refractive index contrast of the first waveguide is less than a refractive index contrast of the second waveguide, the refractive index contrast of the second waveguide is less than a refractive index contrast of the third waveguide, and the refractive index contrast of the third waveguide is not less than 18%.Type: GrantFiled: February 29, 2008Date of Patent: November 27, 2012Assignee: Google Inc.Inventors: Gaia Cevini, Paola Galli, Stefano Lorenzotti, Marco Piazza, Marco Romagnoli, Luciano Socci, Lorenzo Bolla, Silvia Ghidini
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Patent number: 8317408Abstract: Provided is an optical-fiber connection unit in which a split sleeve (14) for performing centering of distal end portions of ferrules (11 and 111) is provided not to an optical adapter (20) but to an optical connector (10). With this configuration, it is unnecessary to provide a sleeve holder inside a casing (21) of the optical adapter (20), and hence a shape of the optical adapter (20) is simplified. Further, a sleeve holder (13) provided to the optical connector (10) is formed in a state of being exposed outward. Thus, a risk of defective molding is reduced, and presence or absence of defective molding can be easily confirmed.Type: GrantFiled: September 13, 2010Date of Patent: November 27, 2012Assignee: Suncall CorporationInventor: Masaya Nakagawa
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Patent number: 8313250Abstract: An inlet device is described herein for inserting a telecommunication cable into a telecommunications enclosure. An exemplary inlet device comprises a housing, and a compression member. The housing can include a compressible portion at the second end of the housing and a securing zone adjacent to the first end of the housing. The securing zone can include a plurality of deformable locking elements which protrude from opposite sides of the housing to lock the inlet device in a close fitting port of a telecommunication enclosure.Type: GrantFiled: March 17, 2009Date of Patent: November 20, 2012Assignee: 3M Innovative Properties CompanyInventor: Patrick Drouard
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Patent number: 8313248Abstract: Device for the coaxial connection of fiber-optic cables, comprising a single-piece coupling housing (10) and a single-piece sleeve mount (20), the sleeve mount (20) being designed with at least one latching nose (21) and the coupling housing (10) being designed with at least one latching mount which complements the at least one latching nose (21), wherein the latching mount is designed with at least one latching hook (14) and at least one stop (15).Type: GrantFiled: February 7, 2012Date of Patent: November 20, 2012Assignee: ADC GmbHInventors: Eberhard Kahle, Anne Kramer, Jörg Adomeit
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Patent number: 8314909Abstract: A liquid crystal display device 100 includes: a liquid crystal layer 1; a front substrate 3 and a rear substrate 2 between which the liquid crystal layer 1 is held; a pair of electrodes 4, 8 between which the liquid crystal layer 1 is interposed and which are configured to apply a voltage across the liquid crystal layer 1; circular polarizers 15, 16 respectively provided on a front side of the front substrate 3 and a rear side of the rear substrate 2; and first and second alignment films 13, 12 respectively provided between the liquid crystal layer 1 and the front substrate 3 and between the liquid crystal layer 1 and the rear substrate 2. The liquid crystal layer 1 includes, in each of the pixels, a continuous wall 10, a plurality of small sections 14 separated by the wall 10, and a plurality of liquid crystal regions 11, each of which is formed in any one of the plurality of small sections 14.Type: GrantFiled: October 28, 2008Date of Patent: November 20, 2012Assignee: Sharp Kabushiki KasiahaInventors: Yasushi Asaoka, Kiyoshi Minoura, Eiji Satoh, Sayuri Fujiwara
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Patent number: 8315494Abstract: An optical fiber includes a center core portion; an inner core layer formed around an outer circumference of the center core portion, a refractive index of which is less than that of the center core portion; an outer core layer formed around an outer circumference of the inner core layer, a refractive index of which is less than that of the inner core layer; and a cladding portion formed around an outer circumference of the outer core layer. A refractive index of the cladding portion is substantially equal to that of the inner core layer. At a wavelength of 1550 nm, an effective core area is equal to or larger than 130 ?m2 and a bending loss is equal to or less than 100 dB/m when the optical fiber is bent with a diameter of 20 mm. A cable cut-off wavelength is equal to or less than 1530 nm.Type: GrantFiled: March 16, 2012Date of Patent: November 20, 2012Assignee: Furukawa Electric Co., Ltd.Inventors: Yukihiro Tsuchida, Kazunori Mukasa
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Patent number: 8310615Abstract: A backlight module which includes a frame and a first prism film is provided. The frame includes sidewall which encloses an inner space. The first prism film is disposed within the inner space and has a plurality of prisms on it. The prisms are in parallel and adjacent to each other, and the prisms extend along a first extending direction. The first prism film has a surrounding edge, which includes a first edge and a second edge. The prisms include a center prism being substantially located in a center position of all prisms. The center prism insects the surrounding edge at two intersection points; a first distance D1 is between the intersection point and the sidewall. The surrounding edge further has an end point being located farthest from the center prism. A second distance D2 is between the end point and the sidewall. The first distance D1 is larger than the second distance D2.Type: GrantFiled: November 30, 2010Date of Patent: November 13, 2012Assignee: Au Optronics CorporationInventors: Chi-Hung Chang, Te-Hai Tseng, Cheng-Wei Li, Ching-Sang Yang
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Patent number: RE43874Abstract: A light switch is disclosed to turn on or off the light signal in a light channel by means of the response of piezoelectric material to the electric field of light in the light channel. The LIGHT TRIGGERED LIGHT SWITCH is a light switch that is actuated by light of sufficient power. Light of different frequencies may travel in a light channel together without hindering each other, as long as the channel is the right size for both frequencies of light. The light that actuates the switch may be a different frequency than the light signal that is switched on or off. Fiber optic communication channels are among the channels that these switches may be used for.Type: GrantFiled: July 22, 2010Date of Patent: December 25, 2012Assignee: Galtronics Corporation Ltd.Inventor: Gary Neal Poovey