14th week of 2010 patent applcation highlights part 29 |
Patent application number | Title | Published |
20100086217 | IMAGE CAPTURING APPARATUS, METHOD FOR CAPTURING IMAGE, AND PROGRAM - An image capturing apparatus includes an imaging device, a face region specifying unit that specifies a face region including an image of at least a part of a face in an image obtained by using the imaging device, a face region brightness computing unit that computes a brightness level of the face region, a background region brightness computing unit that computes a brightness level of a background region including at least a part of the image excluding the face region, and an image capturing control unit that determines an image capturing configuration in accordance with the brightness levels of the face region and the background region and performs an image capturing process in accordance with the determined image capturing configuration. | 2010-04-08 |
20100086218 | POSITION AND ORIENTATION MEASUREMENT APPARATUS AND METHOD THEREOF - A position and orientation measurement apparatus extracts a plurality of geometric feature based on geometric information of an observation object by drawing three-dimensional model data which represents a surface shape of the observation object. Further, the position and orientation measurement apparatus searches an image feature corresponding to the plurality of geometric feature in a reference image in which a position and orientation of an imaging apparatus relative to the observation object has been calculated and selects the geometric feature whose corresponding image feature is detected from the plurality of extracted geometric features. The position and orientation measurement apparatus calculates the position and orientation of the imaging apparatus relative to the observation object by associating the selected geometric feature with an image of the observation object in an input image. | 2010-04-08 |
20100086219 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing device capable of high-speed detection of a specific shape in an image. In the image processing device, a candidate position calculation section ( | 2010-04-08 |
20100086220 | IMAGE REGISTRATION USING ROTATION TOLERANT CORRELATION METHOD - A method for correlating or finding similarity between two data sets. The method can be used for correlating two images with common scene content in order to find correspondence points between the data sets. These correspondence points then can be used to find the transformation parameters which when applied to image | 2010-04-08 |
20100086221 | SYSTEMS AND METHODS FOR EVALUATING ROBUSTNESS - Systems and methods for evaluating the robustness of objects within a scene or a scene itself. | 2010-04-08 |
20100086222 | IMAGE ENCODING METHOD AND DECODING METHOD, APPARATUSES THEREFOR, PROGRAMS THEREFOR, AND STORAGE MEDIA FOR STORING THE PROGRAMS - An image encoding method includes determining and encoding global parallax data which is probably correct parallax data in consideration of the Epipolar geometry constraint between a camera of a standard viewpoint, which is selected from the entire multi-viewpoint images, and images obtained by all the other viewpoints; generating base parallax data for each camera as a viewpoint other than the standard viewpoint, where the base parallax data is probably correct parallax data in consideration of the Epipolar geometry constraint between the image of the relevant camera and the images of all the other cameras based on the global parallax data and the camera parameters; determining and encoding correction parallax data used for correcting the base parallax data, so as to indicate parallax data between the image of the relevant camera and an already-encoded reference viewpoint image used for parallax compensation; and encoding the image of the relevant camera by using parallax data obtained by correcting the base parallax data by means of the correction parallax data. | 2010-04-08 |
20100086223 | IMAGE PROCESSOR - A decoding unit includes a first processing unit including ND decoding units and decoding a group of Normal Data, a second processing unit decoding a group of Flex Bits, and a selector. The ND decoding units perform decoding of the group of Normal Data, stepwise varying a start position of decoding in the data stream, concurrently with decoding of the group of Flex Bits by the second processing unit. The selector selects one ND decoding unit with a start position of decoding being set at a position immediately following an end position of the group of Flex Bits, from the ND decoding units, based on a result of decoding of the group of Flex Bits. | 2010-04-08 |
20100086224 | DYNAMIC CLUSTERING FOR ADAPTIVE PREDICTION FILTERS - An initial value is assigned to a center point for each cluster in a plurality of clusters. Each point in a point space is assigned to a closest cluster based on the distance between the each point and the center of nearest cluster. A first-assignment value is determined for each center point using the clusters the points are assigned to. A first-assignment dynamic validity index of a current cluster configuration is evaluated. Each point in the point space is reassigned to the closest cluster based on the first-assignment value of each center. A second-assignment value is determined for the center of each cluster according to the reassigning. A second-assignment dynamic validity index is evaluated using the second-assignment values. The current cluster configuration is selected if the difference between the dynamic validity indices is less than a threshold. | 2010-04-08 |
20100086225 | IMAGE RE-ENCODING DEVICE, IMAGE RE-ENCODING METHOD, AND IMAGE ENCODING PROGRAM - Provided is an image re-encoding method which simultaneously satisfies reduction of block distortion and reduction of a memory when re-encoding image data encoded by a first encoding method, by a second encoding method. An image re-encoding method comprises the steps of decoding image data encoded per block by the first encoding method; and encoding the image data decoded in the step of decoding, per block by the second encoding method. The step of encoding the image data includes the steps of: performing boundary detection to detect a block boundary of the image data encoded by the first encoding method, with the use of the image data encoded by the first encoding method; and deblocking to perform a deblocking filter process to the block boundary detected in the step of performing boundary detection. | 2010-04-08 |
20100086226 | POTENTIAL FIELD-BASED GAMUT MAPPING - A method for adjusting a color in a color space comprises adjusting the color along a gradient path to a point in or on a color gamut. The gradient path is determined from a potential field derived from the color gamut consisting of gamut points in the color space. The potential field can be derived from one or more points in the color gamut and different functions may be used to determine the potentials due to different points in the gamut. The potential at a point in the color space due to the gamut point can be a function, including an inverse power, of distance of the point in the color space from the gamut point. The gradient path can be determined from the gradient of the potential field by quadric error-based surface simplification of a surface mesh representing a surface of the gamut. | 2010-04-08 |
20100086227 | IMAGE SUPER-RESOLUTION USING GRADIENT PROFILE PRIOR - Described is a technology by which a low-resolution image is processed into a high-resolution image, including by performing processing in the gradient domain. A gradient profile corresponding to the lower-resolution image is transform into a sharpened image gradient. A high-resolution gradient profile is estimated from a low-resolution gradient profile, e.g., by multiplying the low-resolution gradient profile by a transform ratio that is based upon learned shape parameters, learned sharpness values and a curve distance to an edge pixel along the gradient profile. The transform ratio is used to transform a low-resolution gradient field to a high-resolution gradient field. Reconstructing the higher-resolution image is performed by using the high-resolution gradient field as a gradient domain constraint, e.g., in along with a reconstruction constraint obtained from image domain data. An energy function is minimized by enforcing the gradient domain constraint and the reconstruction constraint, e.g., by performing a gradient descent algorithm. | 2010-04-08 |
20100086228 | CORRECTION OF SPATIALLY VARIANT PHASE ERROR FOR SYNTHETIC APERTURE RADAR - A method, apparatus, and computer program product is present for focusing an image. A spatial model for spatial variation in phase error is identified for the image. The image is divided into a number of subpatches based on the spatial model. Phase correction is applied to each of the number of subpatches to form a number of focused subpatches. The number of focused subpatches is merged to form a focused image. | 2010-04-08 |
20100086229 | Image signal processing apparatus and method - An image signal processing method. A first coefficient indicating a probability that a first pixel of an input image is an edge may be calculated. A first edge enhanced signal where an edge of the input image is enhanced may be multiplied with the first coefficient, and a first low-pass filtered signal where the input image is low-pass filtered may be multiplied with a second coefficient indicating a probability that the first pixel is not an edge. The two calculated values may be added, and thus an edge enhanced signal may be generated. | 2010-04-08 |
20100086230 | ENABLING COLOR PROFILES WITH NATURAL-LANGUAGE-BASED COLOR EDITING INFORMATION - A method of retaining original natural language commands along with the mathematical LUT transform of the commands and a private tag within the same ICC profile. The private tag can be read only by an exclusive or proprietary application or color management module. When a user loads a color editing profile into the proprietary application, the natural language commands could then be read from the private tag and displayed on a user interface. The user can then immediately see the qualitative effect of the color editing profile and provide selected modifications to the commands and retain a new set of commands stored in another profile. | 2010-04-08 |
20100086231 | ADAPTIVE PREDICTION USING A DIMENSIONALITY REDUCTION PROCESS - Multi-field taps are defined based on a decimated field. The multi-field taps are used to generate correlation matrices, the elements of which are used to generate covariance matrices. A principal component space is obtained by projecting the correlation matrix elements on to eigenvectors. The principal component space is partitioned into classes and a least square filter set is generated for each class. | 2010-04-08 |
20100086232 | ALIGNMENT OF SHARP AND BLURRED IMAGES BASED ON BLUR KERNEL SPARSENESS - The alignment of a sharp image of a subject and a blurred image of the same subject is disclosed. For example, one disclosed embodiment provides a method of determining a series of trial images. The method comprises applying a corresponding series of coordinate transforms to the sharp image, the series of coordinate transforms differing with respect to one or more of a rotational operation and a scaling operation. The method further comprises computing a series blur kernels corresponding to the series of trial images, each blur kernel mapping a trial image from the series of trial images to the blurred image. The method further includes locating a sparsest blur kernel in the series of blur kernels, and identifying one or more of the rotational operation and the scaling operation of the coordinate transform mapping the trial image corresponding to the sparsest blur kernel to the blurred image. | 2010-04-08 |
20100086233 | INFORMATION PROCESSING APPARATUS, CONTROL METHOD FOR THE SAME, AND COMPUTER PROGRAM - An information processing apparatus comprises: a division unit dividing input data; a processing unit performing predetermined processing for the divided data; a generation unit generating intermediate data by referencing the processed divided data, and combining the intermediate data; a temporary storage unit storing the processed divided data; and a detection unit selecting a group of divided data that includes the processed divided data, and determining whether or not all processed divided data in the selected group is stored, is provided. As a result of the determination, if it is determined that all the processed divided data is stored, the generation unit generates intermediate data and then deletes all the processed divided data in the selected group, and if it is determined that a part of the processed divided data is not stored, the processing unit preferentially generates the part of the processed divided data. | 2010-04-08 |
20100086234 | SYSTEM AND METHOD FOR PRESERVING EDITING HISTORY IN AN IN-BROWSER PHOTO-EDITING APPLICATION - A system and method for preserving and retrieving editing history of a digital image. One method includes identifying a user of an in-browser photo-editing application, retrieving a plurality of digital photographs from a data store, the plurality of digital photographs associated with at least one previous photo-editing session of the identified user, and presenting selectable images of the retrieved digital photographs on a display, each image having an associated editing history. Such a system and method provides several advantages over the prior art. First, as a user may manipulate images over the course of time in various manners with various editing programs, the entire history of such edits may be preserved. Having the editing history known and retrievable allows the user to undo any or all editing manipulations to return to an original digital image as it was originally stored in the system. | 2010-04-08 |
20100086235 | Large Number ID Tagging System - A tag system uses dots to store a very large binary number and combined with the Digital Image Processing functions to allow for a reliable recovery of the tag code regardless of the orientation of the tag to the reader and without the need for the tag pattern to incorporate any form of fiducial mark. | 2010-04-08 |
20100086236 | METHOD OF IMAGING POSITION-CODING PATTERN HAVING TAG COORDINATES ENCODED BY SUCCESSIVE SUBSEQUENCES OF CYCLIC POSITION CODE - A method of decoding a position-coding pattern disposed on a surface of a substrate. The method comprises the steps of: (a) operatively positioning an optical reader relative to said surface and capturing an image of a portion of the coding pattern, the coding pattern comprising: a plurality of tags, each tag encoding a w-bit subsequence of a cyclic code sequence having a length n and a dimension k, the w-bit subsequence mapping to a corresponding coordinate codeword for the tag; (b) sampling a windowed subsequence contained in the imaged portion; (c) identifying a coordinate codeword corresponding to the windowed subsequence; and (d) determining a position of the optical reader from the coordinate codeword. The imaged portion has a diameter of more than one tag diameter and less than two tag diameters, and n>w>k. | 2010-04-08 |
20100086237 | Compact foldable shopping bag - An expandable, foldable compact shopping bag that includes a decorative outer face that converts into a pocket that holds further expandable, foldable compact shopping bags. The bag decor can match any other article of clothing or bags used by the consumer. The bag can include a thermal layer for the transport of perishable foodstuffs or made of an anti-microbial material. The bag is secured shut when folded through attachment means, such as magnets, snaps, buttons, zippers, hook and loop systems and the like. | 2010-04-08 |
20100086238 | BAG WITH A POCKET FOR A THERMAL INSULATING MATERIAL AND METHOD OF MAKING SAME - A flexible, reclosable bag includes a first bag web, a second bag web, and a pocket-forming web, which form a flexible, reclosable bag having a pocket for inserting a thermal influencing material. The pocket-forming web may contain a cut, thereby forming an opening in the pocket. The pocket and/or the flexible, reclosable bag may include a fastener, such as a zipper tape fastener or a zipper slider fastener. Additionally, a method for making a flexible, reclosable bag having a pocket for receiving a thermal influencing material is disclosed. | 2010-04-08 |
20100086239 | DUAL PACK - A side-by-side or dual pouch comprising a pair of parallel longitudinal compartments each compartment including sealed top, bottom and medial margins with the medial margins in sealed abutment and providing a sealed longitudinal strip separating the compartments. Each compartment may contain different components, such as different types of food products. A tear-promoting element appears at the outer top corner of each compartment to facilitate separate opening of each compartment and controlled dispensing of the contents. | 2010-04-08 |
20100086240 | PACKAGE HAVING RECLOSEABLE POUR SPOUT AND METHOD OF FORMING SAME - A package having a recloseable pour spout is disclosed, with the package including front and rear package panels which may be joined at respective side edges thereof by inwardly extending side gussets. An upper edge portion of the package is removable, including one of the side gussets, to form a pour spout for dispensing the contents of the package. A fastener strip, which can be detachably connected to itself, extends between confronting inside surfaces of the front and rear package panels, adjacent to the pour spout, whereby the pour spout can be conveniently closed after the package is initially opened. A method of forming the present package is also disclosed. | 2010-04-08 |
20100086241 | Method And Apparatus For Making Bags - A drawtape bag includes a generally closed bottom, a generally open top, and closed sides connecting the bottom and the top. A drawtape hem, with a drawtape therein, is disposed along the top. There are a plurality of knockouts within the hem. A method and machine for of making such a drawtape bag includes forming at least two notches in the film with a notch section, and forming a plurality of knockouts in the film with a knockout section. A drawtape hem is formed in a drawtape section, which also inserts a drawtape. | 2010-04-08 |
20100086242 | Gift Bag with Double Wall Structure - A gift bag includes a bag body including a front panel and a rear panel to form an interior cavity. Each of the front and rear panels includes an inner layer and an outer layer. The inner layer, which is made of waterproof material, has a decorative pattern provided on an outer surface of the inner layer. The outer layer, which is made of see-through material for enhancing a virtual effect of the decorative pattern, is overlapping on the inner layer to form a double-wall structure of each of the front and rear panels. Therefore, the front and rear panels not only provide a relatively enhanced strength for carrying a gift inside the interior cavity but also enhance a decorative appearance of the bag body when the outer layers are overlapped on the inner layers respectively. | 2010-04-08 |
20100086243 | Package Bag And Spout Member - A spout member including a base portion which is fixed to a bag body, a cylindrical portion which protrudes upward from the base portion, and a sealing portion which seals a front end of the cylindrical portion through a breakable thin portion is disposed between two sheets of film forming the bag body. A sealing chamber accommodating the cylindrical portion and the sealing portion is opened by tearing the two sheets of film along an opening assisting line. An opening assisting plate protruding to at least one of a left side and a right side of the sealing portion is disposed above the opening assisting line. A sandwiching reinforcement seal portion for reinforcing the two sheets of film by sealing inner surfaces thereof is provided between the opening assisting plate and the opening assisting line. | 2010-04-08 |
20100086244 | Roller extraction guide - A roller pull-out guide pulls out a furniture part from a furniture body in a pull-out direction and slides the furniture part into the furniture body in a slide-in direction. The guide includes at least one guide rail and at least one roller guided in this guide rail as well as a self-retraction device with a spring-loaded, tiltably and displaceably supported tilt slide for retracting the furniture part in the slide-in direction. The tilt slide includes a claw which engages on the roller for the retraction of the furniture part in the slide-in direction. | 2010-04-08 |
20100086245 | Method for producing and/or assembling a bearing as well as bearing - The invention relates to a method for producing and/or assembling a bearing with a bearing bore, a journal which is located in the bearing bore and at least two bearing shells which at least partially encompass the journal in the bearing bore, there being a number n of tolerance classes. Here the bearing class width C | 2010-04-08 |
20100086246 | BEARING COMPONENTS AND PROCESSES FOR DEPOSITING ADDITIVES, ESPECIALLY FLUOROPOLYMERS, ON CELLULOSE - A method for applying an additive, e.g. a fluoropolymer, to cellulose. The method comprises a number of steps. First, solid cellulose, a solvent capable of dissolving cellulose, e.g. NMMO and a dispersion of the additive are brought into contact with each other. The additive is allowed to diffuse into the dissolved cellulose, which is possible as a result of the dissolution of the surface layer of the solid cellulose. The solubility of cellulose in the solvent is then reduced, whereby the additive that has diffused into the dissolved cellulose is incorporated into the resulting solid cellulose. A method for applying a fluoropolymer to cellulose as a surface coat is also described. Flexible bearing components comprising a mat of cellulose fibres and a fluoropolymer which may be made by the methods described. | 2010-04-08 |
20100086247 | Roller bearing - A bearing assembly includes an inner ring, an outer ring, a plurality of roller elements disposed between the inner ring and outer ring and spaced tangentially apart from each other by a cage. The inner ring includes a rib annulus. The rib annulus provides a flow of lubricating fluid around the rib face. | 2010-04-08 |
20100086248 | SUPPORTING STRUCTURE OF SHAFT OF REDUCTION GEAR - A first shaft at which a first gear is provided is supported by an angular roller bearing in which a pair of roller rows and which is rolling elements incorporated in a back-to-back combination, and a midpoint of a projection range of a range where the first gear and a second gear mesh with each other on the first shaft is made to exist in a span of a working point of the pair of roller rows of the angular roller bearing on the pinion shaft. | 2010-04-08 |
20100086249 | ROLLING BEARING - A rolling bearing embodied as a radial-axial rolling bearing which has a bearing sleeve in which rolling bodies designed for absorbing axial forces are arranged in pockets of an axial cage. The axial cage has, on its inner side, a centering bevel which is produced by deformation of the axial cage. | 2010-04-08 |
20100086250 | BI-DIRECTIONAL TAPERED ROLLER BEARING ASSEMBLY WITH IMPROVED WEAR RESISTANCE - The wear resistance of a bi-directional tapered roller bearing is improved by applying a tribological coating to both the small and large end faces of the roller and to at least one of the rib faces of the bearing assembly. | 2010-04-08 |
20100086251 | PRODUCTION OF OPTICAL PULSES AT A DESIRED WAVELENGTH USING SOLITION SELF-FREQUENCY SHIFT IN HIGHER-ORDER-MODE FIBER - The present invention relates to an apparatus for producing optical pulses of a desired wavelength. The apparatus includes an optical pulse source operable to generate input optical pulses at a first wavelength. The apparatus further includes a higher-order-mode (HOM) fiber module operable to receive the input optical pulses at the first wavelength, and thereafter to produce output optical pulses at the desired wavelength by soliton self-frequency shift (SSFS). The present invention also relates to a method of producing optical pulses having a desired wavelength. This method includes generating input optical pulses using an optical pulse source, where the input optical pulses have a first wavelength and a first spatial mode. The input optical pulses are delivered into an HOM fiber module to alter the wavelength of the input optical pulses from the first wavelength to a desired wavelength by soliton self-frequency shift (SSFS) within the HOM fiber module, thereby producing output optical pulses having the desired wavelength. | 2010-04-08 |
20100086252 | Optical waveguide device - An optical waveguide device includes: a substrate having an electro-optical effect; an optical waveguide formed on the substrate; and a control electrode for applying an electric field to the optical waveguide. The optical waveguide device has the following characteristics. A thickness of the substrate is 30 μm or less. The control electrode has a signal electrode and a ground electrode. A low-permittivity layer is formed at least on a surface portion of the signal electrode in contact with the substrate. | 2010-04-08 |
20100086253 | DISTRIBUTED TEMPERATURE SENSOR - A distributed temperature sensor (10) for cables configurations including at least one optical waveguide (12), the waveguide is constructed from a material with a predefined melting point, a light source (13) which is configured to emit light into the sensing optical waveguide (12), end a detector (14) configured to detect transmitted light intensity from the sensing optical waveguide (12) and an interlock module (15) configured to perform a shutdown of high power fiber coupled laser diodes (11), according to the signal detected by detector (14). | 2010-04-08 |
20100086254 | FIBER OPTIC NETWORK INSTALLATION - A fibre optic network system for a multi-staged installation to a plurality of present and future user locations includes an aggregation point, a trunk line with a plurality of optic fibre cables leading from the aggregation point and at least one branch junction location to serve a future cable user. The trunk line includes at least one dark cable having a free end for removal from the branch junction location. The trunk line includes a trunk conduit having opposing side walls defining an interior space between the side walls for housing the cables. The conduit is configured to permit withdrawal of the length of dark cable from the conduit at a stage subsequent to installation of the trunk line to form a branch leading to the future user location. The dark cable stored within the interior of the conduit has sufficient length to reach the location of the future user. | 2010-04-08 |
20100086255 | OPTICAL WAVEGUIDE AND METHOD FOR FABRICATING THE SAME - Provided are an optical waveguide and a production method thereof which can constrict both the width and thickness of the SOI optical waveguide core layer in the same process and at the same time, simplify production process, and reduce optical losses. An optical waveguide includes a first clad layer formed on a semiconductor substrate; a first core layer formed on the upper side of the first clad layer with the use of a semiconductor material the refractive index of which is higher than that of the first clad layer; and a second clad layer formed on the upper side of the first core layer with the use of a material the refractive index of which is lower than that of the first core layer. The width of the first core layer is defined based on the width of an unoxidized semiconductor material sandwiched between oxide films the parts of which are thermally oxidized. The thickness of the first core layer is defined based on the thickness of an unoxidized semiconductor material sandwiched between the first clad layer and an oxide film the part of which is thermally oxidized. At least the input/output portion of the optical waveguide has a tapered waveguide portion where the width and thickness of the first core layer monotonically decreases or increases with respect to the propagation direction of light. | 2010-04-08 |
20100086256 | LIGHT COUPLER BETWEEN AN OPTICAL FIBRE AND A WAVEGUIDE MADE ON AN SOI SUBSTRATE - A light coupler between an optical fiber ( | 2010-04-08 |
20100086257 | FIBER OPTIC SPLICE HOUSING AND INTEGRAL DRY MATE CONNECTOR SYSTEM - A fiber optic splice housing and integral dry mate connector system. In a described embodiment, a fiber optic connection system includes optical fiber sections in respective conduit sections. Each of the conduit sections is received in the housing assembly. An optical connection between the optical fiber sections is positioned within the housing assembly. | 2010-04-08 |
20100086258 | OPTICAL FIBER CONNECTOR AND OPTICAL CABLE - An optical fiber connector | 2010-04-08 |
20100086259 | FIBER PATCH PANEL - A system may include a housing and a patch panel located within the housing. The patch panel may include a connection plate, and a matrix of fiber connectors connected to the connection plate and arranged to receive optical fibers in a vertical direction. | 2010-04-08 |
20100086260 | OPTICAL FIBER CABLE INLET DEVICE AND TELECOMMUNICATIONS ENCLOSURE SYSTEM - An inlet device is described for inserting a cable containing optical fibers into a telecommunications enclosure. The inlet device includes a housing with a strength member securing section configured to fasten at least one strength member to the housing. The inlet device further includes a fiber guide device. The inlet device may be used in a single fiber optical cable assembly or multi-fiber optical cable assembly. A method for preparing a cable assembly is also described. A telecommunications enclosure including an inlet device is also described. | 2010-04-08 |
20100086261 | Optical module - In an optical module, a waveguide unit has a wavelength filter having a ring resonator structure. A semiconductor laser is connected to the input terminal of an input waveguide. A semiconductor Mach-Zehnder modulator is connected to the output terminal of an output waveguide. A first photodiode is connected to the output terminal of a branch waveguide. A second photodiode is connected to the through port of the input waveguide. A temperature adjustment unit adjusts the temperature of the waveguide unit. A laser output controller is connected to the first photodiode and the semiconductor laser to control an output from the semiconductor laser based on an output signal from the first photodiode. A temperature adjustment controller is connected to the second photodiode and the temperature adjustment unit to control the temperature adjustment operation of the temperature adjustment unit based on an output signal from the second photodiode. | 2010-04-08 |
20100086262 | BI-DIRECTIONAL OPTICAL MODULE WITH PRECISELY ADJUSTED WDM FILTER - A bi-directional optical module with an arrangement to install WDM filters easily and precisely is disclosed. The optical module of the invention provides two or more optical devices, a filter unit installed with one or more WDM filters, and a coupling unit. One end of the filter unit assembles the coupling unit, while the other end thereof assembled a specific optical device. Rest optical devices are assembled with the filter unit such that their optical axes are perpendicular to the axis connecting the coupling unit with the specific optical device. The WDM filters are set on the inner of the filter bore such that the angle thereof is adjusted by rotating it as coming the edges of the WDM filter in contact with the inner wall. | 2010-04-08 |
20100086263 | Method of Splicing Microstructured Optical Fibers - After aligning the respective end portions of a first and second optical fiber, the first and second optical fibers are heated by an electric arc during a first time period to melt the respective end portions. The end face of at least one of the first and second optical fibers is positioned away from a center of the electric arc by a distance greater than a quarter of the width of the electric arc. After bringing the respective end portions into contact the respective end portions of the first and second optical fibers are heated during a second time period to form a splice joint. | 2010-04-08 |
20100086264 | Optical connector - In an embodiment of the invention, an optical connector for optically coupling respective end faces of two optical fiber cables including an optical fiber composed of a core and a cladding and a covering layer covering the optical fiber includes a protection sleeve, a cable insertion tube disposed in the protection sleeve for inserting thereinto and butting the respective end faces of the two optical fiber cables, an uncured refractive index matching material disposed between the protection sleeve and the cable insertion tube, and a supply hole formed in the cable insertion tube for supplying the uncured refractive index matching material to an inside of the cable insertion tube. The cable insertion tube includes a cable receiving room for receiving an end of the two optical fiber cables inserted, a fiber receiving room for receiving the optical fiber, and a covering removal member formed at a boundary of the cable receiving room and the fiber receiving room for removing the covering layer. | 2010-04-08 |
20100086265 | Optical connector - In an embodiment of the invention, an optical connector for optically coupling respective end faces of two optical fiber cables including an optical fiber composed of a core and a cladding includes a beat shrinkable tube, a cable insertion tube disposed in the heat shrinkable tube for inserting thereinto and butting the respective end faces of the two optical fiber cables, an uncured refractive index matching resin disposed between the beat shrinkable tube and the cable insertion tube, and a resin supply hole formed in the cable insertion tube for supplying the uncured refractive index matching resin to an inside of the cable insertion tube. In an alternative embodiment, an optical connector includes a protection sleeve, a cable insertion tube disposed in the protection sleeve for inserting thereinto and butting the respective end faces of the two optical fiber cables, an optical instantaneous adhesive material disposed between the protection sleeve and the cable insertion tube, and an adhesive material supply hole formed in the cable insertion tube for supplying the optical instantaneous adhesive material to an inside of the cable insertion tube. | 2010-04-08 |
20100086266 | Splice of Fiber Optic Cables - The present disclosure relates to techniques for facilitating installing a fiber optic connector at the end of a fiber optic cable. One aspect of the disclosure involves splicing a first fiber optic cable to a second fiber optic cable. The second fiber optic cable may be pre-connectorized. In certain embodiments, a plurality of splice enclosure components are positioned to form a splice enclosure that encloses the portion of an optical fiber of the first cable that is spliced to an optical fiber of the second cable. The splice enclosure protects the optical fibers at the site of the splice and securely holds the strength members of the fiber optic cables. Furthermore, splice enclosure components are positioned to form a cable enclosure that encloses the splice enclosure and exposed portions of the fiber optic cables. | 2010-04-08 |
20100086267 | Fiber Optic Cable Assemblies Employing a Furcation Body Having Anti-Rotation Feature - A fiber optic cable assembly including a fiber optic cable and a furcation body is disclosed. An attachment feature can be provided to mount the furcation body to a mounting surface of fiber optic equipment for securing a portion of the fiber optic cable assembly to the fiber optic equipment. The attachment feature may include an integrated anti-rotation feature to inhibit rotation of the furcation body with respect to a mounting surface. The anti-rotation feature is provided by one or more generally planar surfaces of the furcation body for abutting with at least one complementary planar mounting surface. | 2010-04-08 |
20100086268 | Fire Resistant Thermoplastic or Thermoset Compositions Containing an Intumescent Specialty Chemical - Flame retardant plastic resin blends comprise an intumescent flame retardant and at least one plastic resin. Engineering resin blends comprise an intumescent flame retardant and at least one engineering resin. Thermoset resin blends comprise an intumescent flame retardant and at least one thermoset resin. The plastic resin blends and the engineering resin blends are non-halogen. The thermoset resin blends are substantially non-halogen. | 2010-04-08 |
20100086269 | CICADA-RESISTANT OPTICAL DROP CABLE - The object is to prevent damage to or breakage of optical fiber cores | 2010-04-08 |
20100086270 | TIGHT-BUFFERED OPTICAL FIBERS AND OPTICAL FIBER CABLES - An optical fiber cable and a tight-buffered optical fiber which suppress an increase in transmission loss in a humid and hot environment and have good manufacturability are disclosed. The tight-buffered optical fiber of the present invention comprises a glass fiber surrounded by a first coating layer and a second coating layer, the second coating layer comprising two or more layers; wherein a pull-out force is 15N/20 mm or less in at least one pair of layers between the first coating layer and the second coating layer, or between any two layers of the second coating layer. | 2010-04-08 |
20100086271 | Ultra Low PMD Fibers and Method of Making - A method for making low PMD fiber comprising the steps of: (i) making an initial fiber preform; (ii) modifying said initial fiber preform to introduce higher birefringence than that of the initial fiber preform into modified preform; and (iii) drawing an optical fiber from the modified preform and bi-directionally spinning the drawn fiber during draw. | 2010-04-08 |
20100086272 | Metamaterial Inclusion Structure and Method - A metamaterial inclusion structure (MIS), a metamaterial and a method of producing an optical magnetic response employ interspersed plasmonic and dielectric materials. The MIS includes first petals of a plasmonic material and second petals of a dielectric material that alternate at a surface and along a periphery of the MIS. The MIS exhibits the magnetic resonance when illuminated by an optical signal at an optical wavelength. The optical signal has a magnetic field component that is parallel with an interface between the first petals and the second petals. The metamaterial includes a plurality of the MIS arranged in an array and provides an optical magnetic susceptibility at the optical wavelength. The method forms the MIS with the alternating petals and includes illuminating the MIS with the optical signal. | 2010-04-08 |
20100086273 | MODULAR CABLE-MANAGEMENT SYSTEM - Apparatus for providing cable-management comprising at least one bracket having a support member and a plurality of extensions protruding from the support member, where at least one pair of adjacent extensions define at least one receptacle. At least one cable holder is removably inserted into the at least one receptacle. | 2010-04-08 |
20100086274 | Telecommunications Patching Systems with Vertically-Oriented Patching Modules - A telecommunications patching system includes: a carrier having a horizontally disposed member with longitudinal slots; and at least one patching module. The module includes: a generally vertically disposed main panel; a plurality of connectors mounted on the main panel, the connectors configured to receive and interconnect patch cords; and a guide member connected with the main panel and received in one of the longitudinal slots of the carrier. The module is slidable relative to the carrier along a path defined by the slot between an access position, in which a front portion of the main panel slides forward so that the plurality of connectors are accessible to a technician, and a non-access position, in which the plurality of connectors are not accessible to a technician. | 2010-04-08 |
20100086275 | Telecommunications panel and drawer arrangement - A cable management and termination arrangement constructed for use in both a sliding drawer application and a hinged panel application. The cable management and termination arrangement including a sliding drawer and first and second hinged access panels. In a sliding drawer application, the arrangement is horizontally mounted; the drawer slides between an open position and a closed position to provide access to the interior. In a hinged panel application, the arrangement is vertically mounted; the first and second hinged access panels pivot between open and closed positions to provide access to the interior. | 2010-04-08 |
20100086276 | Movie Making Techniques - In an implementation, a plurality of media is collected, each having associated metadata that describes respective media. A movie is made from the plurality of media having a credit sequence and a title sequence that are generated automatically and without user intervention from the metadata. | 2010-04-08 |
20100086277 | SYSTEMS AND METHODS FOR DELETING VIEWED PORTIONS OF RECORDED PROGRAMS - Systems and methods are provided for deleting viewed portions of recorded programs. In one embodiment, a media guidance application may provide a list of recorded programs, where each recorded program in the list includes an indication of an amount of time that the recorded program has been viewed. From the list, a user may flag the viewed portions of one or more recorded programs for deletion. In some embodiments, the media guidance application may provide a delete prompt in response to a user command to pause or stop playback of a recorded program. The delete prompt may provide the user who is viewing the recorded program with the ability to choose to delete the portion of the program viewed thus far. For example, the delete prompt may prompt the user to delete a portion of the recorded program that starts at the beginning of the program and ends at substantially the position that the user stopped or paused the recorded program. | 2010-04-08 |
20100086278 | SYSTEMS AND METHODS FOR OPTIMIZING A SCENE - Systems and methods for optimizing properties of objects within a scene or achieve a visual goal. | 2010-04-08 |
20100086279 | Video BoomBox - A video player which plays a video program. The playing is automatically paused when the screen is not attached to the playing device. | 2010-04-08 |
20100086280 | METHOD FOR SMOOTHLY PLAYING A VIDEO STREAM IN REVERSE - The present invention relates to a method for displaying a video stream in reverse smoothly comprising the steps of: (a) determining at least one GOP for reverse display; (b) selecting all the frames of said GOP, a subsequent I frame and if present, the B frames positioned between said subsequent I frame and the next I or P frame, in the encoded order, into a selected group; (c) if present, discarding from said selected group the B frames that are positioned between the primary I frame of said GOP and the next I or P frame, in the encoded order; (d) decoding and storing the remaining frames of said selected group; and (e) loading for display at least one of said decoded frames in a reverse display order. | 2010-04-08 |
20100086281 | COMPUTER-READABLE RECORDING MEDIUM THAT RECORDS RESERVATION INSTRUCTIONS, RECORDING RESERVATION METHOD AND RECORDING RESERVATION DEVICE - A television PC | 2010-04-08 |
20100086282 | PICTURE SIGNAL PROCESSING SYSTEM, PLAYBACK APPARATUS AND DISPLAY APPARATUS, AND PICTURE SIGNAL PROCESSING METHOD - A picture signal processing system includes a playback apparatus and a display apparatus connected via first and second communication units. The playback apparatus receives a video signal made up of source data generated by moving giant image data in a constant direction at a constant speed, wherein the giant image data has a number of pixels far greater than the number of pixels in a display region. The playback apparatus reads source data speed information stored in the video signal header, and transmits the video signal and the speed information to the display apparatus. The display apparatus references a table to determine how to process the video signal on the basis of the speed information, processes the video signal, and then displays the processed video signal. | 2010-04-08 |
20100086283 | Systems and methods for updating video content with linked tagging information - A system and method associates relevant additional information with a video stream, whether live or pre-recorded. The system creates a spot within the video that is linked to the additional information. When a particular action occurs in relation to the spot, the additional information is presented to the viewer of the video. The action that triggers the action of the spot can be automatically controlled by the system or the action can be a user initiated action. Viewers of the video stream can interact, independently of each other, with the video and be presented with the information associated with the video. | 2010-04-08 |
20100086284 | PERSONAL RECORDING APPARATUS AND CONTROL METHOD THEREOF - A personal recording apparatus and a control method thereof are provided. The personal recording apparatus includes an audio encoder which encodes an input audio signal to output additional audio data, a multiplexing unit which multiplexes input video data and audio data and the additional audio data output from the audio encoder to output multimedia data, and a storing unit which stores the multimedia data output from the multiplexing unit. The personal recording apparatus and the control method thereof are capable of storing additional audio data in addition to a multimedia data. | 2010-04-08 |
20100086285 | PLAYBACK DEVICE, RECORDING MEDIUM, AND INTEGRATED CIRCUIT - Disclosed is a playback device capable of seamlessly playing back 3D and 2D videos. The playback device plays back 3D video streams including a base-view video stream and a dependent-view video stream. When performing stereoscopic playback using the 3D video streams, the playback device outputs picture data pieces obtained by decoding the base-view video stream and the dependent-view video stream to a display device. When performing 2D playback using the 3D video streams, the playback device outputs each of picture data pieces obtained by decoding the base-view video stream to the display device twice in succession. This way, an output frame rate at which the 2D playback is performed matches an output frame rate at which the stereoscopic playback is performed. | 2010-04-08 |
20100086286 | METHOD OF DISPLAYING IMAGE TAKEN BY CAPSULE ENDOSCOPE AND RECORD MEDIA OF STORING PROGRAM FOR CARRYING OUT THAT METHOD - A method of displaying images taken by a capsule endoscope and record media of storing program for carrying out that method, wherein the method comprises generating the capsule-endoscope image using image stream data transmitted from a capsule endoscope inserted into a living body, and generating a time bar corresponding to the generated capsule-endoscope image; displaying the generated capsule-endoscope image on a main-display area of a diagnosis screen; displaying at least one capture image on a sub-display area of the diagnosis screen when the capsule-endoscope image displayed on the main-display area is captured; and shifting the capture image on the sub-display area in such a way that the capture image is linked with a movement of a time slider positioned on the time bar, or moving the time slider on the time bar in such a way that the time slider is linked with a movement of the capture image. | 2010-04-08 |
20100086287 | APPARATUS AND METHOD FOR A STEAMER - A steam apparatus including a first steam apparatus to produce a first steam having a humidity level at or above a first predetermined level and having a temperature at or below a first predetermined temperature and a second steam apparatus to produce a second steam having a humidity level at or below a second predetermined level and having a temperature at or above a second predetermined temperature. An output apparatus is configured to receive the first steam and the second steam and output the first steam, the second steam, or a hybrid steam defined by a mixture of the first steam and the second steam. An atomizer may be included to assist the steam generation. | 2010-04-08 |
20100086288 | ELECTRICAL HEATING DEVICE, PARTICULARLY FOR AN AUTOMOBILE VEHICLE - The invention relates to a heating device comprising a housing ( | 2010-04-08 |
20100086289 | MODULAR TANKLESS WATER HEATER WITH PRECISE POWER CONTROL CIRCUITRY AND STRUCTURE - Modular tankless water heater apparatus designed for use in a system including a water supply conduit and a hot water conduit. The apparatus includes a heating tube assembly with a plurality of tubes positioned in parallel juxtaposition and connected adjacent the ends into a series connected configuration to form a continuous fluid passage. A heating element is enclosed in each tube and extends between the ends with each heating element including an electrical connector and an electrical control. A programmable electrical power controller is connected to the electrical controls of the heating elements and to flow sensor and heat sensor apparatus positioned in the continuous fluid passage. The controller is programmed to activate the electrical controls one at a time in response to a demand signal from the flow sensor and heat sensor apparatus. | 2010-04-08 |
20100086290 | IMAGE PICKUP APPARATUS AND METHOD OF CONTROLLING THE SAME - An image pickup apparatus which is capable of achieving excellent moving image shooting even when strobe popup is not successfully performed during moving image shooting. A camera implementing the image pickup apparatus has a strobe that shifts between a retracted position and a service position. When a motor for operating the camera performs reverse rotation, the strobe is driven to the service position. An MPU instructs the motor to drive the strobe to the service position, and determines, based on a signal from a popup position-detecting switch, whether or not the strobe has been normally driven to the service position. When the strobe has not been normally driven to the service position, the MPU performs error handling. The error handling is carried out differently between a case where moving image shooting is being performed and a case where the moving image shooting is not being performed. | 2010-04-08 |
20100086291 | CAMERA MODULE AND DRIVING METHOD THEREOF - Provided are a camera module and driving method thereof. The camera module includes first and second lens assemblies, and a power transmission member. The power transmission member includes a screw thread having a variable pitch for a distance between the first and second lens assemblies to be varied as the first and second lens assemblies move in engagement with the screw thread. | 2010-04-08 |
20100086292 | Device and method for automatically controlling continuous auto focus - Disclosed herein is a device and method for automatically controlling continuous auto focus. The device includes a lens unit installed in a camera module, and configured to receive images of an external subject; a lens actuation unit for moving the lens unit along an optical axis so as to focus on a subject; an image sensor for receiving the external images, converting the external images into image signals, and outputting the image signals; a computation unit for detecting focus values and feature parameters; a mode determination unit for automatically performing switching between general mode, specific mode and tracking mode, setting the mode, and automatically setting a fixed or variable window according to the set mode using the detected feature parameters; and a lens control unit for generating a control signal for controlling the lens actuation unit so as to perform continuous auto focus according to the detected focus values. | 2010-04-08 |
20100086293 | Focus detecting apparatus and an imaging apparatus - Disclosed is a focus detecting apparatus detecting an image offset of an optical system. The apparatus comprises a micro lens array arranged with a plurality of micro lenses, a photo-detector having a plurality of detecting elements provided so as to correspond to each of the plurality of micro lenses and receiving an optical beam from the optical system via the micro lenses, and a calculator that selects a pair of detecting elements from the plurality of detecting elements in accordance with a plurality of aperture values of the optical system and calculates an image offset of the optical system based on outputs from the pair of detecting elements. The pair of detecting elements receive respectively a pair of optical beams passing through different areas of the optical system. | 2010-04-08 |
20100086294 | AUTOMATIC FOCAL POINT CONTROL FOR CAMERA - An automatic focal point control apparatus is provided to move an adaptor mounted in a camera linearly back and forth. The automatic focal point control apparatus includes a base fixed in the camera, the base including a cylindrical projection which extends from a top surface thereof and into which a lower part of the adaptor is inserted; a bobbin on the base, the bobbin including a plurality of electromagnets around which coils are wound and which are arranged at regular intervals along an outer circumference of the bobbin; a rotation body including a support ring, which is rotatably connected by screws to the outer circumference of the adaptor, and a ring-shaped permanent magnet which is fixed onto an outer surface of the support ring and has a plurality of n poles and an equal number of s poles alternately arranged on an outer surface at regular intervals; and a housing detachably mounted on the base, the housing including a space unit formed inside which includes the bobbin, rotation body and adaptor, and a through hole formed inside so that light and image are projected onto the adaptor. If each pair of electromagnets facing each other from among the plurality of electromagnets are continuously driven, the rotation body may be made to rotate by the magnetic field generated by the plurality of electromagnets so that the adaptor may be driven linearly back and forth along an axis. | 2010-04-08 |
20100086295 | Camera Mounting System - A camera mounting system comprises a pair of rail members, a camera mount arranged to support a video camera on the pair of rail members and a base mount arranged to support the pair of rails on a tripod. The camera mount and the base mount are supported for adjustment relative to one another along the rail members. The camera mount supports the video camera thereon and is supported on the rail members by a pair of link members, each pivotally coupled at a lower end on the rail members and at an upper end on the camera mount. The linkage permits the camera mount and camera thereon to be adjusted in elevation relative to the rail members by pivoting the linkage while being arranged so as not to project below the rail members in both lowered and elevated positions such that the linkage does not interfere with relative movement between the base mount and the camera mount. | 2010-04-08 |
20100086296 | Electronic device and camera - In a camera, air orifices for linking the space inside a cell compartment with the outside of a casing are disposed in a position other than the grip portion which is held by a user, in the vicinity of the center of the front surface of the casing, that is, in the vicinity of a lens-barrel. A concave-convex portion serving as an air orifice guard is formed at the side opposite to that where the lens-barrel is disposed with respect to the air orifices. As a result, even when the user takes a picture of an object by holding the camera with his/her own hand, the air orifices are prevented from being closed by the user's hand. Oxygen (air) can be constantly supplied to the fuel cell accommodated inside the cell compartment, and the fuel cell can continuously generate a sufficient quantity of electricity. | 2010-04-08 |
20100086297 | Concentration Detection Apparatus and Image Formation Apparatus - A concentration detection apparatus includes: a light-emitting element that emits light; a light-emitting-element holding unit that holds the light-emitting element; a light-receiving element that receives light emitted from the light-emitting element; a light-receiving-element holding unit that holds the light-receiving element and is provided opposite to the light-emitting-element holding unit with a gap therebetween; a moving unit that can move through or at the gap between the light-emitting-element holding unit and the light-receiving-element holding unit; and a gap adjusting unit that adjusts a value of the gap as a distance between the light-emitting-element holding unit and the light-receiving-element holding unit. | 2010-04-08 |
20100086298 | ENFORCED ROUTING IN SWITCHED NETWORK FOR FRU VERIFICATION - A method implemented in a computer infrastructure having computer executable code having programming instructions tangibly embodied on a computer readable medium. The programming instructions are operable to configure an initiator-to-initiator message route in a switched fibre channel arbitrated loop (FCAL) network such that the initiator-to-initiator message route traverses a replacement field replaceable unit (FRU). Additionally, the programming instructions are operable to transmit a verification initiator-to-initiator message along the initiator-to-initiator message route to verify proper operation of the replacement FRU. | 2010-04-08 |
20100086299 | ROUTE QUERY METHOD IN ASON - A route inquiry method in ASON for implementing the route inquiry by the network element NE | 2010-04-08 |
20100086300 | METHOD AND DEVICE FOR MAPPING ETHERNET CODE BLOCKS TO OTN FOR TRANSMISSION - A method and a device for mapping Ethernet code blocks to an optical transport network (OTN) for transmission are provided. According to a preset mapping manner, 40 Gigabit (40 G) Ethernet code blocks are mapped to a payload area of a general frame provision (GFP) frame, or a plurality of 40 G Ethernet code blocks is interleaved into a payload area of an OTN frame, or 40 G Ethernet code blocks are mapped to an OTN frame according to an asynchronous bit-stream mapping manner. Thus, specific solutions for mapping 40G Ethernet code blocks having an encoding rate lower than a minimum payload bandwidth of the OPU3 to the OTN for transmission is provided. | 2010-04-08 |
20100086301 | DIRECTIONLESS RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER - An optical switch system for dropping a ROADM node is presented. The switch system includes an N×M structure having two layers. A first layer includes optical splitters, each splitter receiving a multiplexed input signal and outputting a first multiplexed output signal. A second layer includes switches receiving the first multiplexed output signals from the optical splitters and generating a second multiplexed output signal. The second multiplexed output signal is typically one of the first multiplexed output signals. An optional third layer, which includes optical filters, receives the second multiplexed output signal from the switches and produces a non-multiplexed, single-wavelength output signal. | 2010-04-08 |
20100086302 | Channel switching system and method of IPTV service in passive optical network - Channel switching system and method of an IPTV service in a passive optical network (PON) are disclosed. To reduce a channel switching time of an IPTV system in the passive optical network, the system and the method use a channel switching control module and a channel list module in the passive optical network. In a case where a passive optical network system receives an IPTV channel switching request transmitted from a terminal user, the channel switching control module checks a recording of a channel list module and a recording of an authentication list module, and then updates a filter recording of an optical network unit to thereby directly transmit an image flow of a new channel in the passive optical network. When such system and method are applied to the passive optical network, high-speed switching of the IPTV service channel by the terminal user can be realized. | 2010-04-08 |
20100086303 | HIGH SPEED POLMUX-OFDM USING DUAL-POLMUX CARRIERS AND DIRECT DETECTION - A polarization multiplexing, orthogonal frequency division multiplexing (POMUX) transmission system utilizing direct detection. | 2010-04-08 |
20100086304 | OPTICAL COMMUNICATION SYSTEM - A transmitting apparatus includes a plurality of code spreaders different in spreading code, a reception processing unit that selectively distributes transmission data to the plurality of code spreaders, a plurality of optical transmitters each of which that transmit a code-spread signal to an optical fiber as a CDMA optical signal of a carrier wavelength different from that of the other optical transmitters, and a signal multiplexing unit that selectively supplies outputs of the plurality of code spreaders to the plurality of optical transmitters, and a receiving apparatus includes an optical receiver that receives a wavelength-division-multiplexed CDMA optical signal from the optical fiber, and a plurality of despreaders connected to the optical receiver and different in spreading code, wherein each of the despreaders reproduces a CDMA signal corresponding to its spreading code from an output signal of the optical receiver. | 2010-04-08 |
20100086305 | REDUCING CROSS-MODULATION IN MULTICHANNEL MODULATED OPTICAL SYSTEMS - A modulated optical system with cross-modulation compensation reduces or corrects cross-modulation that might occur in a multichannel RF signal modulating a laser. The system detects the cross-modulation, for example, by detecting an envelope of the RF signal or by detecting RF power fluctuations, generates a cross-modulation detection signal, and imparts a compensating cross-modulation by adjusting a bias current of the laser in response to the cross-modulation detection signal. | 2010-04-08 |
20100086306 | DYNAMIC ROUTING OF OPTICAL SIGNALS IN OPTICAL NETWORKS - A method for dynamic routing an optical signal in an optical network is provided, including: executing a shortest-path algorithm receiving input concerning a source node, a destination node and the topology of the network, providing a shortest-path tree comprising nodes and arcs connecting the nodes, the shortest-path tree comprising branches along which an effective attenuation is no greater than a predetermined limit, each branch comprising an end node and each end node being associated with a corresponding set of wavelengths; checking, for each end node having no wavelength conversion resources and for each wavelength, if the end node is connected to at least another node external to the branch through the wavelength; excluding, for any end node if the result of the checking is negative for at least one wavelength, the at least one wavelength from the corresponding set of wavelengths, thus updating the topology; and re-executing the shortest-path algorithm. | 2010-04-08 |
20100086307 | PLANAR LIGHTWAVE CIRCUIT - Consistent with the present disclosure optical interleaver and deinterleaver circuits are integrated onto a substrate. The inputs to the interleaver and the outputs of the deinterleaver are each coupled to a corresponding variable optical attenuator (VOA) and optical tap, which are also provided on the substrate. The optical taps supply a portion of the output of each VOA to a corresponding photodetector. A control circuit, which is coupled to the photodetector, in turn, supplies a control signal to each VOA based on the output of the photodetector. Accordingly, optical multiplexing and demultiplexing components, as well as monitoring and power regulating components are provided on the same chip. Such a chip may be compact, relatively inexpensive, and has reduced power consumption compared to optical multiplexer and demultiplexer equipment including discrete components. | 2010-04-08 |
20100086308 | ELECTRO-OPTIC CONVERSION MODULE, OPTIC-ELECTRO CONVERSION MODULE AND CONVERSION METHODS THEREOF - An electro-optic conversion module ( | 2010-04-08 |
20100086309 | REDUCING CROSS-MODULATION IN MULTICHANNEL MODULATED OPTICAL SYSTEMS - A modulated optical system with cross-modulation compensation reduces or corrects cross-modulation that might occur at a target frequency range in a multichannel RF signal that modulates a laser. The system detects the cross-modulation, for example, by detecting an envelope of the RF signal or by detecting RF power fluctuations, generates a cross-modulation detection signal, filters the cross-modulation detection signal at the target frequency range, and imparts a compensating cross-modulation to the RF signal in response to the filtered cross-modulation detection signal. | 2010-04-08 |
20100086310 | BIDIRECTIONAL OPTICAL TRANSCEIVER - A bidirectional optical transceiver is disclosed. In the bidirectional optical transceiver, by implementing, as a stacked structure, an optical bench in which an optical system and an optical-transmitting module are installed and a multi-layer substrate with good thermal, electrical and high-resistance characteristics in which an optical-receiving module and a driving circuit for driving the optical-transmitting module are installed, thermal, electrical or optical crosstalk is prevented, high-speed transmission of transmission signals is possible through high-speed modulation thereof, and miniaturization is achieved. | 2010-04-08 |
20100086311 | SURFACE EMITTING LASER, AND TRANSCEIVER, OPTICAL TRANSCEIVER, AND OPTICAL COMMUNICATION SYSTEM EMPLOYING THE SURFACE EMITTING LASER - A surface emitting laser includes a lower semiconductor multilayer mirror formed of a plurality of pairs of a high-refractive-index area and a low-refractive-index area; an active layer vertically sandwiched by cladding layers; a current confinement layer of Al | 2010-04-08 |
20100086312 | Optoelectronic device with a built-in fuse mechanism - An optoelectronic device for transmission of an electrical signal of an input electrical current circuit to an output electrical current circuit galvanically isolated from the input electrical current circuit. The device includes a housing. The input electrical current circuit contains, for producing an optical signal, an optical transmitting unit, which is arranged in the housing. The output electrical current circuit contains, for receiving the optical signal, an optical receiving unit, which is arranged in the housing. At least one fuse mechanism is provided in the housing, which interrupts transmission of the electrical signal in the case of an electrical current flow, which lies above a predetermined electrical current level. | 2010-04-08 |
20100086313 | Optical Signal Phase Regenerator for Formats of Differential Modulation with Phase Changes - The invention relates to a device for regenerating the phase of an optically modulated signal with phase changes and based on two and three replicas, wherein the replicas refer to the number of identical signals that are obtained form the input signal. This regenerator is capable of regenerating the phase and period of any format of modulation of optical communications systems which are differential modulation with phase changes, such as: DISK, DQPSK, RZ-DQPSK, RZ-DQPSK, D8PSK, D8PSK, RZ-D16PSK, D16PSK. The regenerator design presented involves the regenerator being placed alter the multiplexer of a communications system and before the signal modulators and/or decoders. Thus the regenerator receives the signal leaving the multiplexer and this signal is input in an amplitude modulator. | 2010-04-08 |
20100086314 | Method and Apparatus for an Optical Duty Cycle for an Optical Digital Coherent System - An optical apparatus includes a quadrature phase shift keying modulator for generating a non-return-to-zero quadrature phase shift keyed NRZ-QPSK signal from a received lightwave, the modulator being driven by a radio frequency RF signal, an intensity modulator for carving the NRZ-QPSK signal to return-to-zero RZ pulses with a different duty cycle than that of the NRZ-QPSK, the intensity modulator being driven by a radio frequency RF clock signal to change the NRZ-QPSK to an RZ-QPSK signal, and an optical filter with a narrow band for filtering the signal from the intensity modulator to increase optical power that is useable by an optical digital coherent detection system. | 2010-04-08 |
20100086315 | OPTICAL RECEIVER ABLE TO PREVENT LOS ALARM FROM MALFUNCTIONING - An optical receiver able to generate the LOS alarm reliably is disclosed. The optical receiver module in the optical receiver provides a level monitor that monitors the average of the optical input, compares it with a reference and generates a decision signal that is provided to the squelching unit. The squelching unit, by receiving the decision signal, isolates the outputs of the output buffer from the inputs thereof and fixes the outputs of the receiver module in the level “0” or the level “1”. Even the main amplifier is coupled with the receiver optical module in the AC mode; no complicated response appears in the input of the main amplifier. | 2010-04-08 |
20100086316 | METHOD AND APPARATUS FOR COROTRON CLEANING MANAGEMENT IN AN IMAGE PRODUCTION DEVICE - A method and apparatus for corotron cleaning management in an image production device is disclosed. The method may include receiving an input from the corotron cleaning counter, determining if the corotron cleaning counter exceeds a predetermined threshold, wherein if it is determined that the corotron cleaning counter exceeds the predetermined threshold, notifying a maintainer that the corotron requires cleaning, determining if corotron cleaning has been performed, wherein if it is determined that corotron cleaning has been performed, resetting the corotron cleaning counter. | 2010-04-08 |