Patents Issued in July 29, 2014
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Patent number: 8792751Abstract: Embodiments of a computer system, a method and a computer-program product (e.g., software) for use with the computer system are described. These embodiments allow a user to provide an image of a document for use with software, such as an image of a financial document for use with financial software. In particular, the user can provide the image of the document, for example, by taking a picture of the document using a cellular telephone. This image may be converted into an electronic format that is suitable for text and numerical processing using a character-recognition technique, such as optical character recognition or intelligent character recognition. Errors in the electronic version of the document, if present, may be identified and corrected by comparing the electronic version to information maintained by a third party. This information may be accessed based at least on one or more items in the electronic version of the document.Type: GrantFiled: July 27, 2009Date of Patent: July 29, 2014Assignee: Intuit Inc.Inventors: Amir Eftekhari, Erikheath A. Thomas, Carol Ann Howe, George Thomas Ericksen, Gerald B. Huff, Gang Wang
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Patent number: 8792752Abstract: Provided is an optical waveguide element module which suppresses reflection of a modulation signal and attenuation of a modulation signal, even when an impedance of a modulation electrode of an optical waveguide element and an impedance of a transmission line for inputting the modulation signal from the external of the optical waveguide element are different from each other. The optical waveguide element module is provided with an optical waveguide element, which has a substrate (1) composed of a material having electro-optical effects, an optical waveguide (2) formed on the substrate, and a modulation electrode (3) which modules optical waves propagating in the optical waveguide; a connector (8), wherein an external signal line which inputs the modulation signal to the modulation electrode is connected to the modulation electrode; and a relay line which connects the connector and the modulation electrode and is formed on a relay substrate (7).Type: GrantFiled: July 3, 2009Date of Patent: July 29, 2014Assignee: Sumitomo Osaka Cement Co., Ltd.Inventors: Ryo Shimizu, Toru Sugamata
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Patent number: 8792753Abstract: A system and method for assembling a fiber optic sensor assembly are provided. The fiber optic sensor system includes a fiber optic cable and a carrier including a first connection end and a second connection end joined together by one or more breakaway tabs, the first connection end including a first fiber attach point configured to secure a distal end of the fiber optic cable to the first connection end, the second connection end including a second fiber attach point configured to secure the fiber optic cable to the second connection end, the one or more breakaway tabs joined to the first connection end and the second connection end using a break area that is structurally weaker than the carrier and the breakaway tabs.Type: GrantFiled: June 30, 2011Date of Patent: July 29, 2014Assignee: General Electric CompanyInventors: Eric John Ruggiero, Thomas Lowell Steen, Brian Allen Czapor
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Patent number: 8792754Abstract: A modalmetric fiber sensor comprising a multimode sensor fiber; a light source for launching light into the multimode sensor fiber to produce a multimode speckle pattern of light at an end of the multimode sensor fiber; a single mode fiber to receive light from the multimode speckle pattern; a detector connected to the single mode fiber to detect the received light from the speckle pattern; and a further multimode fiber disposed between the end of the sensor fiber and the single mode fiber such that the single mode fiber receives light from the speckle pattern by transmission through the further multimode fiber and the received light includes higher order modes regenerated in the further multimode fiber, wherein the further multimode fiber is overfilled with received light from the speckle pattern.Type: GrantFiled: October 13, 2010Date of Patent: July 29, 2014Assignee: Future Fibre Technologies Pty LtdInventors: Yuvaraja Visagathilagar, Jim Katsifolis, Bernhard Koziol
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Patent number: 8792755Abstract: A light transmission path package includes first and sealing surface adjustment members, which are arranged with facing each other by way of a light emitting/receiving element on a lead frame substrate, having a length in a normal direction of the substrate surface from the substrate surface of H2; wherein a relational expression H3<H2<H1 is satisfied where the height H1 is a distance in the normal line direction from the substrate surface to a surface of the light guide facing the substrate surface, and the height H3 is a length in the normal line direction from the substrate surface in the light emitting/receiving element. The sealing resin is filled so as to cover the first and second sealing surface adjustment members and so as not to come in contact with the light transmission path.Type: GrantFiled: March 12, 2008Date of Patent: July 29, 2014Assignee: OMRON CorporationInventors: Junichi Tanaka, Hayami Hosokawa, Naru Yasuda, Yukari Terakawa
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Patent number: 8792756Abstract: An optical semiconductor device includes an optical semiconductor element and an optical waveguide butt-joined to the optical semiconductor element. The optical semiconductor element has a mesa structure including an active layer and a burying layer coating side faces of the active layer. The optical waveguide has a mesa structure including an optical waveguide layer having a layer structure different from the active layer, and a burying layer coating side faces of the optical waveguide layer. Mesa width of the optical waveguide is narrower than mesa width of the optical semiconductor element.Type: GrantFiled: August 13, 2012Date of Patent: July 29, 2014Assignee: Mitsubishi Electric CorporationInventor: Tohru Takiguchi
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Patent number: 8792757Abstract: There is described a double-clad fiber coupler (DCFC) composed of two double-clad fibers that have been fused together and tapered. The DCFC allows the propagation of light in the fundamental mode in its single-mode core with very little loss. Back reflected light may be collected two ways: by the core of the double-clad fiber and by the inner cladding of the double-clad fiber.Type: GrantFiled: January 24, 2012Date of Patent: July 29, 2014Assignee: Polyvalor, Limited PartnershipInventors: Caroline Boudoux, Nicolas Godbout, Simon Lemire-Renaud
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Patent number: 8792758Abstract: A method for aligning an opto-electronic component in an IC die with an optical port is disclosed. This is achieved, in various embodiments, by forming alignment features in the IC die that can mate with complementary alignment features of the optical port. The formation of alignment features can be performed at the wafer level during fabrication of the IC die. An optical signal carrier may be optically coupled to the optical port such that the signal carrier may communicate optically with the opto-electronic component.Type: GrantFiled: March 2, 2012Date of Patent: July 29, 2014Assignee: Analog Devices, Inc.Inventors: James Doscher, Shrenik Deliwala
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Patent number: 8792759Abstract: A combination of a wet mate electrical connector and a gigabit miniature transceiver in a pressure resistant cable plug connector assembly. The cable plug connector assembly includes a wet mate connector, a miniature gigabit transceiver, and electrical and optical connections necessary to convert transmitted electrical data signals to optical data signals and vice versa.Type: GrantFiled: April 11, 2012Date of Patent: July 29, 2014Assignee: Advanced Fiber Products, LLCInventors: Mark C. Benton, Richard Colin Edward Durrant, Darren Adams, Wojciech Przeczkowski
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Patent number: 8792760Abstract: An optical electrical hybrid cable for transmitting an optical signal and an electrical signal simultaneously is provided. The optical electrical hybrid cable includes a fiber-optic cable disposed in the center of the optical electrical hybrid cable, and including a plurality of tubes each of which comprises a plurality of optical fibers operatively mounted in an inner space thereof, and a first binder disposed around the plurality of tubes, a plurality of power cables disposed around the fiber-optic cable, each of the power cables comprising a plurality of conducting wires, and a second binder disposed around the plurality of power cables.Type: GrantFiled: May 2, 2012Date of Patent: July 29, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Han-Dong Choi, Ho-Soon Lee
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Patent number: 8792761Abstract: An optical fiber includes a glass core and a protective coating consisting of a single coating layer disposed to surround the glass core, wherein the single coating layer is formed from a cured polymeric material obtained by curing a radiation curable composition including: (i) a radiation curable urethane (meth)acrylate oligomer, preferably including a backbone derived from polyoxytetramethylene glycol, (ii) at least one monofunctional reactive monomer, (iii) at least one multifunctional reactive monomer, and (iv) an adhesion promoter.Type: GrantFiled: April 23, 2009Date of Patent: July 29, 2014Assignee: Prysmian S.p.A.Inventors: Lidia Terruzzi, Johannes Adrianus Van Eekelen, Sabrina Fogliani
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Patent number: 8792762Abstract: An optical system comprising: a light source providing light in 300-700 nm range; and an optical fiber optically coupled to the source; the optical fiber is structured to transmit the light provided by the source and comprises Al doped silica based core with 0 to 1 wt % of Ge and no rare-earth metal(s); and at least one silica based cladding surrounding the core. According to some embodiments the fiber includes: a core having a radius of no more than 2.0 ?m and having a first index of refraction n1 and a relative refractive index delta with respect to the cladding between 0.15 and 1.0%. The Al doped silica core comprises less than 0.5 wt % of Ge and includes no rare-earth metals; and the silica based cladding surrounding the core has a second index of refraction n2, such that n1>n2, the cladding having an outer diameter of 80 ?m or greater.Type: GrantFiled: May 31, 2011Date of Patent: July 29, 2014Assignee: Corning IncorporatedInventors: Kevin Wallace Bennett, Valery A Kozlov
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Patent number: 8792763Abstract: Bend resistant multimode optical fibers are disclosed herein. Multimode optical fibers disclosed herein comprise a core region and a cladding region surrounding and directly adjacent to the core region, the cladding region comprising a first region having index delta percent ?2, a depressed-index annular portion having ?3, and a third annular region surrounding the depressed annular region comprising refractive index delta percent ?4; wherein ?1MAX>?4>?2>?3, wherein the difference between ?4 and ?2 is greater than or equal to 0.03%.Type: GrantFiled: February 13, 2012Date of Patent: July 29, 2014Assignee: Corning IncorporatedInventors: Scott Robertson Bickham, Dana Craig Bookbinder, Ming-Jun Li, Gaozhu Peng, Peter Joseph Ronco, Pushkar Tandon
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Patent number: 8792764Abstract: An optical fiber cleaver (12) is disclosed having a first pivot arm (16) for securing a terminal end of an optical fiber (22), a second pivot arm (18) with a cutting tool (82) for scoring an outer surface of the optical fiber (22), and a flexible arm (24) extending outward from underneath the cutting tool (82). A V-shaped locating groove (28) extends in the flexible arm (24). A stress-relief recess (36) is located on the surface (26) of the flexible arm (24) in a location at which the cutting tool (82) scores the optical fiber (22). An arcuately-shaped recess (92) is formed into a lower surface (96) of the flexible arm (24) beneath the stress-relief recess (36) to focus the bend in the optical fiber (22) where the fiber (22) is scored and the cleave is to occur. A flexible arm stop (90) is provided to control the minimum radius of the bend in the flexible arm (24) and the minimum radius of bend induced in the optical fiber (22) at the cleave.Type: GrantFiled: December 21, 2011Date of Patent: July 29, 2014Assignee: Lee Technologies, Inc.Inventors: Scott Duane Jesse, Scott Eric Semmler
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Patent number: 8792765Abstract: An optical fiber cable connector including a first member and a second member. The first member has a channel for an optical fiber of an optical fiber cable, and an outer surface configured to have a strength member of the cable located thereon. The second member is configured to slide on top of the first member. The second member includes a barrel section configured to be compressed onto the first member and a gripping section made of a resiliently deformable material which is sized and shaped to pull the strength member along the outer surface of the first member as the second member is slid on top of the first member.Type: GrantFiled: May 17, 2012Date of Patent: July 29, 2014Assignee: FCI Americas Technology, Inc.Inventor: Charles M. Gross
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Patent number: 8792766Abstract: A tool for routing an optical fiber or a cable over a desired span on a visible supporting surface at a given premises. The tool includes a rod with a handle, and a reel or spool is mounted on the rod for storing a length of an optical fiber or a cable to be routed. An adhesive coating assembly is fixed on the rod for providing an adhesive on the fiber when the fiber is unwound from the spool during use of the tool. A fiber routing applicator is disposed at the distal end of the rod. The routing applicator is dimensioned and arranged to travel over the supporting surface at the premises to route the fiber with the adhesive thereon over the desired span, while urging the fiber against the surface so that the fiber adheres to the surface.Type: GrantFiled: January 7, 2011Date of Patent: July 29, 2014Assignee: OFS Fitel, LLCInventors: Daniel Hendrickson, Paul R. Dickinson
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Patent number: 8792767Abstract: A distribution device which has a cover-like housing upper part and a housing lower part is disclosed. The housing lower part has a holding means for the cover-like housing upper part, with the result that the housing upper part can be held by the holding means of the housing lower part as the housing upper part is removed from the housing lower part. The housing upper part does not fall and be subject to damage when the housing upper part is removed or released from the housing lower part.Type: GrantFiled: April 15, 2011Date of Patent: July 29, 2014Assignee: CCS Technology, Inc.Inventors: Grzegorz Fabrykowski, Michael Mueller
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Patent number: 8792768Abstract: A method for recording video/audio data generated by a capturing device including a data memory provides connecting the data memory of the capturing device to at least one recording device that is provided with a greater storage capacity than the data memory of the capturing device, and exchanging data between the data memory and the at least one recording device such that a virtual data memory is created for the capturing device by means of the recording device.Type: GrantFiled: January 10, 2004Date of Patent: July 29, 2014Assignee: Robert Bosch GmbHInventor: Michael Gilge
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Patent number: 8792769Abstract: A display processing apparatus acquires a plurality of images and time data corresponding to the respective images. The display processing apparatus selects, as the time interval at which the plurality of images are switched and displayed one by one, either a time interval based on the difference between time data corresponding to images before and after switching, or a predetermined interval. The display processing apparatus switches the plurality of images at the selected time interval, and displays them on a display device.Type: GrantFiled: December 14, 2012Date of Patent: July 29, 2014Assignee: Canon Kabushiki KaishaInventor: Masanori Tashiro
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Patent number: 8792770Abstract: Several data streams contain video, audio and/or other data. Some of the data streams are pre-recorded in a multiplex on a storage medium while other data streams are located out of the data stream multiplex on the storage medium. The data streams are synchronized using a navigation file (List_of_PlayItems), which comprises descriptors (PlayItems, SubPlayItems) pointing to parts of said data streams, wherein said descriptors define the arrangement in time for said data streams by means of data sub stream paths.Type: GrantFiled: October 4, 2013Date of Patent: July 29, 2014Assignee: Thomson LicensingInventors: Dirk Adolph, Harald Schiller, Jobst Hoerentrup, Ralf Ostermann, Hartmut Peters
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Patent number: 8792771Abstract: Several data streams contain video, audio and/or other data. Some of the data streams are pre-recorded in a multiplex on a storage medium while other data streams are located out of the data stream multiplex on the storage medium. The data streams are synchronized using a navigation file (List_of_PlayItems), which comprises descriptors (Play-Items, SubPlayItems) pointing to parts of said data streams, wherein said descriptors define the arrangement in time for said data streams by means of data sub stream paths.Type: GrantFiled: October 4, 2013Date of Patent: July 29, 2014Assignee: Thomson LicensingInventors: Dirk Adolph, Harald Schiller, Jobst Hoerentrup, Ralf Ostermann, Hartmut Peters
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Patent number: 8792772Abstract: A playback control device includes a selection means for selecting a moving picture of a moving picture file having a file name satisfying prescribed conditions or a moving picture of a moving picture file having a prescribed file format and a still picture in still pictures and moving pictures, and a playback control means for controlling playback of the still pictures and the moving pictures so that still pictures and the moving pictures selected by the selection means are played back sequentially in the prescribed order.Type: GrantFiled: January 28, 2008Date of Patent: July 29, 2014Assignee: Sony CorporationInventors: Shinji Sakai, Arito Kobayashi
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Patent number: 8792773Abstract: A system for managing and searching for a digital video includes: a video feature point extraction unit decoding an input video and extracting a feature point; a video feature point database (DB) storing and managing a feature point of a video to be compared (i.e., a comparison target video), and a video feature point comparison unit coarsely comparing the feature point of the input video and that of the comparison target video to acquire a candidate group, and minutely comparing the candidate group to detect a content repeated section, and informing a user of the content repeated section.Type: GrantFiled: December 17, 2010Date of Patent: July 29, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Sang Il Na, Weon Geun Oh, Hyuk Jeong, Keun Dong Lee, Sung Kwan Je, Dong Seok Jeong, Ju Kyong Jin, Seon Tae Kim
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Patent number: 8792774Abstract: An image processing device includes: a parameter generating unit configured to receive supply of raw moving image data which is moving image data in an undeveloped state, and generate a development parameter as to a target frame of the raw moving image data; and a recording control unit configured to perform control so as to record the supplied raw moving image data, and the development parameter generated by the parameter generating unit in a predetermined recording medium in a correlated manner with each other. Thus, raw moving image data which is moving image data before development processing can be suitably employed.Type: GrantFiled: July 14, 2008Date of Patent: July 29, 2014Assignee: Sony CorporationInventor: Daisuke Nakao
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Patent number: 8792775Abstract: An information processing device includes: a processor determining whether a basic stream that can be reproduced singly and an extended stream used for reproduction with the basic stream forming a video stream of contents to be copied are interleaved with respect to each data in a predetermined unit and recorded in a first recording medium based on control information recorded in the first recording medium; and a recording controller, in the case of a determination that the basic and extended streams are interleaved with respect to each data in the predetermined unit and recorded, designating a first file among the first file that manages the basic stream and allowing copying of the basic stream to a second recording medium, and designating a second file that manages the extended stream and allowing copying of the extended stream to the second recording medium.Type: GrantFiled: June 7, 2011Date of Patent: July 29, 2014Assignee: Sony CorporationInventor: Motoki Kato
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Patent number: 8792776Abstract: Electronic Guide products give the user the ability to videotape selected programs. Once a program has successfully been taped a message is displayed, reminding the viewer that they have taped it. (E.g. “You taped Xxxxx; have you watched it yet?”) Information comprising information that shows are taped, the particular shows taped and viewer profiles allow advertisements targeted to the viewer who typically records a given type of programming to be presented.Type: GrantFiled: August 8, 2012Date of Patent: July 29, 2014Assignee: Index Systems, Inc.Inventor: Gary Helmstetter
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Patent number: 8792777Abstract: The present invention is directed to system(s), method(s), and apparatus for accurate fast forward rate when performing trick play with variable distance between frames. In one embodiment, there is presented a circuit for providing a fast forward video sequence. The circuit comprises a system time clock for providing a time reference, said time reference incremented at a predetermined fast forward rate; a comparator for comparing the time reference with timing information associated with a picture; and a controller for determining whether to display the picture based at least in part on the comparison between the timing information and the time reference.Type: GrantFiled: January 10, 2007Date of Patent: July 29, 2014Assignee: Broadcom CorporationInventor: Tim Ross
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Patent number: 8792778Abstract: A video data display apparatus for reproducing and displaying video data calculates an operation speed based on an input user operation, determines a reproduction speed according to the calculated operation speed, and reproduces video data at the determined reproduction speed. Here, the video data display apparatus acquires section information indicating a section selected from the video data, and, in a case where the calculated operation speed exceeds a prescribed operation speed, determines the reproduction speed for performing reproduction, such that a reproduction speed of video data belonging to the selected section indicated by the section information is slower than a reproduction speed of video data not belonging to the selected section.Type: GrantFiled: February 24, 2010Date of Patent: July 29, 2014Assignee: Canon Kabushiki KaishaInventor: Motoki Nakama
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Patent number: 8792779Abstract: Provided are a method of selecting the most suitable content reproducing apparatus on the basis of minimum resource information required to reproduce content and capability information of the content reproducing apparatus, and a content reproducing apparatus selector using the method. The method includes: receiving a content file, which includes minimum resource (MR) metadata including the minimum resource information required to reproduce content, from a content providing server or a content providing medium; receiving device level (DL) metadata per device from a plurality of content reproducing apparatuses, wherein the DL metadata includes capability information of the content reproducing apparatus; determining whether at least one of the content reproducing apparatuses described by the DL metadata can reproduce the content described by the MR metadata; and selectively renewing the MR metadata on the basis of a result of the determining.Type: GrantFiled: October 9, 2009Date of Patent: July 29, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Young-ho Moon, Kyung-sun Cho, Ik-hwan Cho, Mi-hwa Park, Woo-sung Shim
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Patent number: 8792780Abstract: The present invention relates to a recoding device, a recording method, a playback device, a playback method, a program, and a recording medium, whereby synchronization between a basic stream and an extended stream obtained by encoding a plurality of video data using a predetermined encoding method to be recoded in a recording medium such as a BD or the like using a predetermined encoding method can be secured. The same point-in-time information with PCR synchronization being secured at the time of encoding is set to a packet storing the data of a certain picture of a Base view video, and a packet storing the data of the picture of the corresponding Dependent view video. Even in the event that a Base view video stream and a Dependent view video stream are each included in a different TS, the same point-in-time information is set to a packet storing the data of the corresponding picture. The present invention may be applied to a playback device compatible with the BD-ROM standard.Type: GrantFiled: April 6, 2010Date of Patent: July 29, 2014Assignee: Sony CorporationInventor: Shinobu Hattori
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Patent number: 8792781Abstract: A temperature-regulating device for a personal fluid includes a housing having an exterior wall defining an inner space and having an opening therethrough. A dividing wall within the inner space defines a reservoir sector and a heating system sector on opposite sides. A cap portion is affixable adjacent the opening, has a closable aperture therethrough, and is movable between a storing position in covering relation to the opening and a dispensing and filling position wherein the opening is exposed, for enabling a fluid to be placed within and removed from the reservoir sector. A heating system within the heating system sector includes a heating element adjacent the dividing wall, for enabling heat transfer to the wall and then to the reservoir sector. An activator affixed adjacent the exterior wall is in signal communication with the heating system. An illumination element is provided for facilitating visualization in low-light conditions.Type: GrantFiled: October 6, 2010Date of Patent: July 29, 2014Assignee: Rochester CCC IncorporatedInventors: Mark Edward Randall, Christopher L. Hawker, Jessica A. Moreland, Christopher R. Trunek
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Patent number: 8792782Abstract: The subject matter disclosed herein relates to an optical module that includes interchangeable lenses to adjust a zoom level or focus of the optical module.Type: GrantFiled: September 6, 2013Date of Patent: July 29, 2014Assignee: Hong Kong Applied Science and Technology Research Institute Co. Ltd.Inventors: Kwok Sing Cheng, Kin Ming Fan, Chuen Kuen Yeung
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Patent number: 8792783Abstract: An exchangeable lens includes: a camera lens mount unit having a mount center point, to which a camera body, with twelve body connector terminals disposed near a camera body mount unit at the camera body, is attached; a holding portion where twelve lens connector terminals, each connected to one of the twelve body connector terminals and each including a contact area to come into contact with one of the body connector terminals, are disposed; an optical system that includes a drive target member which can be driven; and a drive unit that drives the drive target member. A distance setting apart a center of at least one lens connector terminal among the twelve lens connector terminals from the mount center point is different from a distance setting apart a center of at least one other lens connector terminal from the mount center point.Type: GrantFiled: September 19, 2012Date of Patent: July 29, 2014Assignee: Nikon CorporationInventors: Kazuharu Imafuji, Masafumi Oikawa
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Patent number: 8792784Abstract: An optical communication system comprising an optical fiber connected to a first signal regeneration node located at a first end of the optical fiber and a second signal regeneration node located at a second end of the optical fiber; intermediary nodes located between the first and second signal regeneration nodes, wherein one or more pairs of adjacent intermediary nodes each define a span distance along the optical fiber; and one or more Raman amplifiers located within each span distance along the optical fiber, wherein at least one of the one or more Raman amplifiers comprises a case that encases one or more lasers and a temperature controller comprising a temperature sensor to monitor a temperature of the one or more lasers; and a temperature regulator to control a temperature of the one or more lasers.Type: GrantFiled: March 15, 2011Date of Patent: July 29, 2014Assignee: Verizon Patent and Licensing Inc.Inventors: Glenn A. Wellbrock, Tiejun J. Xia
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Patent number: 8792785Abstract: A circuit for monitoring an optical receiver or transceiver, architectures, circuits, and systems including the same, and a method for monitoring received optical power are disclosed. The receiver monitoring circuit comprises an avalanche photodiode (APD), a microprocessor, and first and second transresistance amplifiers. The microprocessor is configured to supply bias voltage to the APD. Photocurrent produced by the APD is supplied to the first and second transresistance amplifiers, and then the microprocessor captures optical power from the voltage signal of the first and second transresistance amplifiers.Type: GrantFiled: May 23, 2012Date of Patent: July 29, 2014Assignee: Source Photonics, Inc.Inventors: Xu Jiang, Xin Shuai, Bing Ju, Yi Yang
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Patent number: 8792786Abstract: Data locality constraints are alleviated by a data processing system and method of reorganizing data. Multiple electronic components are configured to modulate a light beam on a shared photonic interconnect and to detect the data according to a global schedule to reorganize data across the multiple electronic components. By constructing data transfer patterns in a shared photonic interconnect, rather than in dedicated reorganization hardware, data is reorganized while in transit, greatly accelerating the reorganization of data, and reducing the amount of power-consuming hardware necessary to achieve the task.Type: GrantFiled: May 22, 2012Date of Patent: July 29, 2014Assignee: Massachusetts Institute of TechnologyInventors: David J. Whelihan, Scott M. Sawyer, Jeffrey J. Hughes
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Patent number: 8792787Abstract: A packet switch/router including a first stage switch fabric receiving an electrical signal, a mid-stage buffer receiving and storing the electrical signal from the first stage switch fabric, and a second stage switch fabric receiving the electrical signal from the mid-stage buffer. Each switch fabric includes N layers of N×N arrayed waveguide gratings (AWGs), and each AWG has ingress ports and egress ports. A wavelength tunable device, such as a tunable laser, communicates with a source ingress port of an AWG and converts the received electrical signal to an optical signal having a wavelength selected for routing a packet from the source ingress port to a target egress port of the arrayed waveguide grating. A photoreceiver, such as a burst-mode photoreceiver, receives the propagated optical signal from the target egress port and converts the optical signal to the electrical signal.Type: GrantFiled: July 19, 2012Date of Patent: July 29, 2014Assignee: Google Inc.Inventors: Xiaoxue Zhao, Bikash Koley, Vijay Vusirikala, Edward Crabbe, Paul Phillip Germano, Hong Liu, Philip Michael Wells
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Patent number: 8792788Abstract: Techniques, devices and systems for optical communications based on wavelength division multiplexing (WDM) that use tunable multi-wavelength laser transmitter modules.Type: GrantFiled: May 24, 2013Date of Patent: July 29, 2014Assignee: Google Inc.Inventors: Cedric F. Lam, Hong Liu
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Patent number: 8792789Abstract: A method is provided for performing chromatic dispersion (CD) compensation. A zero-forcing filter is calculated with a number of taps (n) required to nullify a chromatic dispersion frequency response of an optical channel. The number of taps in the zero-forcing filter is truncated to a number equal to (n?x), where x is an integer greater than 0. In one aspect, the chromatic dispersion frequency response of the optical channel is partitioned into a plurality of constituent chromatic dispersion responses, and a zero-forcing filter is calculated for each of the plurality of constituent chromatic dispersion responses. The number of taps in each of the plurality of zero-forcing filters is truncated, and the CD compensation filter is formed for each of the plurality of truncated tap zero-forcing filters. In another aspect, the tap values of the zero-forcing filter are quantized to a finite quantization set.Type: GrantFiled: March 7, 2012Date of Patent: July 29, 2014Assignee: Applied Micro Circuits CorporationInventors: Badri Varadarajan, Daruish Dabiri, Subhash Roy
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Patent number: 8792790Abstract: A method and apparatus for supporting mobility of a mobile terminal in a Visible Light Communication (VLC) system. The method includes searching, by the VLC device, for a first mobile terminal in a plurality of cells; locating the first mobile terminal in a first cell among the plurality of cells; exchanging data with the first mobile using a light source of the first cell; determining whether a response signal corresponding to data reception is received from the first mobile terminal in the first cell; searching for the first mobile terminal in a neighboring cell of the first cell, if the response signal is not received; and determining the neighboring cell as a second cell for visible light activation, if the first mobile terminal is located in the neighboring cell.Type: GrantFiled: September 15, 2011Date of Patent: July 29, 2014Assignee: Samsung Electronics Co., LtdInventors: Jae-Seung Son, Do-Young Kim, Eun-Tae Won, Tae-Han Bae, Young-Kwon Cho, Sun-Gi Gu
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Patent number: 8792791Abstract: The present invention relates to an improved quantum signal transmitter, which has a plurality of quantum output channels having at least one optical source and at least one optical splitter acting on the output of said at least one source. Such a transmitter can easily be used with existing passive optical network (PON) systems and can be a compact piece of equipment.Type: GrantFiled: May 15, 2009Date of Patent: July 29, 2014Assignee: Qinetiq LimitedInventors: Simon Robert Wiseman, Brian Sinclair Lowans, Stephen Gerard Ayling, Ewan David Finlayson
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Patent number: 8792792Abstract: [PROBLEM] Providing an optical source that outputs optical frequency modulated light having a constant output optical intensity. [MEANS FOR SOLVING THE PROBLEM] Provided is a light source apparatus that outputs an optical signal having an optical frequency corresponding to a frequency control signal, the light source apparatus including a laser light source section that outputs laser light having an optical frequency corresponding to the frequency control signal; and an optical intensity adjusting section that compensates for intensity change of the laser light to output laser light in which the intensity change caused by a change in the optical frequency is restricted.Type: GrantFiled: October 18, 2011Date of Patent: July 29, 2014Assignee: Advantest CorporationInventors: Shin Masuda, Kazunori Shiota
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Patent number: 8792793Abstract: A replacement consumable unit management apparatus is provided with: a receiver which receives consumable unit replacement information indicating that one consumable unit of one color or more than one consumable unit of different colors has been replaced with a new one, from one or more than one image forming apparatus which the replacement consumable unit management apparatus can access via a communication circuit; a consumable unit manager which manages the remaining amount information or the life information of the one or more than one consumable unit, and stock information indicating the states of the stocks of replacement consumable units for the one or more than one consumable unit; a determiner which, if the receiver receives the consumable unit replacement information while a consumable unit which cannot be replaced with a new one because of no stock and a consumable unit whose remaining amount information or life information is smaller than a first predetermined value are both used at the same placeType: GrantFiled: June 21, 2011Date of Patent: July 29, 2014Assignee: Konica Minolta Business Technologies, Inc.Inventors: Atsushi Kawai, Kazuo Okunishi
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Patent number: 8792794Abstract: A fixing device includes a fixing unit with a nip, two rollers, a guide member, a detection unit and an urging unit. The detection unit is disposed substantially parallel to the guide member opposite to the guide member across a recording medium conveyed between the nip and the two rollers. The detection unit detects jamming of the recording medium on the basis of a pressure greater than a predetermined value applied by the recording medium between the nip and the two rollers. The distance between the guide member and the detection unit is greater than the distance between the guide member and the recording medium passing between the nip and the two rollers while being urged by the urging unit.Type: GrantFiled: April 19, 2012Date of Patent: July 29, 2014Assignee: Konica Minolta Business Technologies, Inc.Inventor: Jinjyu Okuno
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Patent number: 8792795Abstract: In an image forming apparatus, developer remaining on a photosensitive member as transfer residual developer is caught temporarily by a catching portion. In a collecting process, the transfer residual developer caught by the catching portion is returned to the photosensitive member, the transfer residual developer then is transferred onto a conveyor member, and the transfer residual developer is collected by a collecting portion. In the collecting process, the presence or absence or an amount of the transfer residual developer transferred onto the conveyor member is measured.Type: GrantFiled: December 21, 2011Date of Patent: July 29, 2014Assignee: Brother Kogyo Kabushiki KaishaInventor: Kentaro Murayama
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Patent number: 8792796Abstract: A method for monitoring development parameters of a liquid toner electrophotographic (LEP) printer, the method comprising defining an operational window for a current utilized by the printer and monitoring the current to determine a deviation of the current outside the operational window.Type: GrantFiled: April 30, 2007Date of Patent: July 29, 2014Assignee: Hewlett-Packard Development Company, L.P.Inventors: Dror Kella, Shaul Raz, Sasi Moalem, Eyal Shelef, Gal Amit
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Patent number: 8792797Abstract: A fixing device includes a fuser member, a heater, a thermometer, and a power supply controller. The fuser member is subjected to heating. The heater is adjacent to the fuser member to heat the fuser member. The thermometer is adjacent to the fuser member to detect an operational temperature of the fuser member. The power supply controller controls power supply to the heater by adjusting a duty cycle. The controller includes a duty cycle calculator, a driver circuit, and a duty cycle modifier. The duty cycle calculator is operatively connected to the thermometer to calculate a primary value of the duty cycle based on the operational temperature. The driver circuit is operatively connected to the duty cycle calculator to supply power to the heater according to the duty cycle. The duty cycle modifier is connected between the duty cycle calculator and the driver circuit to modify the duty cycle.Type: GrantFiled: March 2, 2012Date of Patent: July 29, 2014Assignee: Ricoh Company, Ltd.Inventors: Yutaka Ikebuchi, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai, Hiromasa Takagi, Naoki Iwaya, Tetsuo Tokuda, Yoshiki Yamaguchi, Ippei Fujimoto, Takuya Seshita, Arinobu Yoshiura, Takahiro Imada, Hajime Gotoh, Toshihiko Shimokawa
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Patent number: 8792798Abstract: An image forming apparatus is provided, which includes an image forming unit configured to form an image on a recording medium, a cleaned body that is an intended body to be cleaned, a cleaning member configured to clean at least attached matter, which is generated in image formation by the image forming unit, on the cleaned body, a backup member disposed to face the cleaning member across the cleaned body, a voltage supply unit configured to supply the backup member with a cleaning voltage having a polarity identical to a charge polarity of the attached matter, in an operation of cleaning the cleaned body, a detector configured to detect an electric quantity of the cleaning member when the cleaning voltage is supplied to the backup member by the voltage supply unit, and a controller configured to control the detected electric quantity of the cleaning member to be a predetermined value.Type: GrantFiled: September 22, 2011Date of Patent: July 29, 2014Assignee: Brother Kogyo Kabushiki KaishaInventors: Katsumi Inukai, Masahito Hamaya, Tsuyoshi Maruyama
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Patent number: 8792799Abstract: The present invention is directed to an image forming apparatus which can reduce power supply to a first control unit when the image forming apparatus operates in a power saving mode and cause an image forming unit to perform a specific operation without using the first control unit, and a control method thereof.Type: GrantFiled: April 2, 2012Date of Patent: July 29, 2014Assignee: Canon Kabushiki KaishaInventor: Fumio Mikami
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Patent number: 8792800Abstract: A cooling device using a liquid coolant, including a heat receiving part separatably contactable to a target to be cooled detachably installable in an image forming apparatus, a heat releasing part to release heat from the liquid coolant, a circulation channel through which the liquid coolant is circulated between the heat receiving part and the heat releasing part, and a pump operatively connected to the circulation channel to convey the liquid coolant through the circulation channel. The circulation channel has a flexible part and a metal part continuous with the flexible part.Type: GrantFiled: March 22, 2012Date of Patent: July 29, 2014Assignee: Ricoh Company, Ltd.Inventors: Hiromitsu Fujiya, Satoshi Okano, Masanori Saitoh, Tomoyasu Hirasawa, Keisuke Ikeda, Kenichi Takehara