14th week of 2013 patent applcation highlights part 29 |
Patent application number | Title | Published |
20130083990 | Using Videogrammetry to Fabricate Parts - According to various embodiments, a stream of image frames depicting a structure in a scene are obtained. The stream of image frames may comprise first image frames from a first imaging device and second image frames from a second imaging device. Using the first image frames and the second image frames, a wireframe of at least a portion of the structure is generated. From the wireframe, as-built dimensions may be identified, materials estimates may be determined, and/or data for a fabrication device may be generated, for example. | 2013-04-04 |
20130083991 | PROCESS FOR PRODUCING AND DELIVERING MATCHING COLOR COATING AND USE THEREOF - The present invention is directed to a process for repairing one or more defects of a target coating of a vehicle. The process can repair target coatings at a repair facility using matching coating compositions provided from a supply center, where the matching coating compositions can be produced according to target repair data transmitted from one or more repair facilities to the supply center. The present invention is also directed to a system for repairing one or more defects of a target coating of a vehicle. The system can comprise one or more supply centers and one or more repair facilities. | 2013-04-04 |
20130083992 | METHOD AND SYSTEM OF TWO-DIMENSIONAL TO STEREOSCOPIC CONVERSION - In one embodiment, a method of two-dimensional to stereoscopic image conversion, the method comprising detecting a face in a two-dimensional image; determining a body region based on the detected face; providing a color model from a portion of the determined body region, a portion of the detected face, or a combination of both portions; calculating a similarity value of at least one image pixel of the two-dimensional image based on the provided color model; and assigning a depth value of the image pixel based on the calculated similarity value to generate a stereoscopic image. | 2013-04-04 |
20130083993 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND PROGRAM - An image processing device includes: an image acquisition section acquiring base and reference images in which a same object is drawn at horizontal positions different from each other; and a disparity detection section detecting a candidate pixel as a candidate of a pixel corresponding to a base pixel constituting the base image, from a reference pixel group including a first reference pixel constituting the reference image, and a second reference pixel, whose vertical position is different from that of the first reference pixel, based on the base pixel and the reference pixel group, associating a horizontal disparity candidate indicating a distance from a horizontal position of the base pixel to a horizontal position of the candidate pixel, with a vertical disparity candidate indicating a distance from a vertical position of the base pixel to a vertical position of the candidate pixel, and storing the associated candidates in a storage section. | 2013-04-04 |
20130083994 | Semi-Global Stereo Correspondence Processing With Lossless Image Decomposition - A method for disparity cost computation for a stereoscopic image is provided that includes computing path matching costs for external paths of at least some boundary pixels of a tile of a base image of the stereoscopic image, wherein a boundary pixel is a pixel at a boundary between the tile and a neighboring tile in the base image, storing the path matching costs for the external paths, computing path matching costs for pixels in the tile, wherein the stored path matching costs for the external paths of the boundary pixels are used in computing some of the path matching costs of some of the pixels in the tile, and computing aggregated disparity costs for the pixels in the tile, wherein the path matching costs computed for each pixel are used to compute the aggregated disparity costs for the pixel. | 2013-04-04 |
20130083995 | STEREOSCOPIC MEASUREMENT SYSTEM AND METHOD - A stereoscopic measurement system captures stereo images and determines measurement information for user-designated points within stereo images. The system comprises an image capture device for capturing stereo images of an object. A processing system communicates with the capture device to receive stereo images. The processing system displays the stereo images and allows a user to select one or more points within the stereo image. The processing system processes the designated points within the stereo images to determine measurement information for the designated points. | 2013-04-04 |
20130083996 | Using Machine Learning to Improve Visual Comparison - In some embodiments, information associated with a first plurality of image pairs is received. Each image pair is assessed to detect visual pairwise differences that qualify as an error. A visual pairwise difference may be a difference with respect to at least one of position, size, color, or style. A prediction engine is trained based upon the assessed visual pairwise differences. Information associated with a second plurality of image pairs is received. Each of these image pairs comprises at least a portion of a visual end-user experience screen of an event-driven application executed in a client-tier environment. Each of these image pairs is assessed, using the prediction engine, to detect visual pairwise differences that qualify as an error. User feedback is received, indicating that at least one assessed pairwise difference should not have qualified as an error. The prediction engine is then re-trained based on the user feedback. | 2013-04-04 |
20130083997 | TEMPORALLY STRUCTURED LIGHT - A method employing temporally structured light during scene production such that foreground/background separation/differentiation is enabled. According to an aspect of the present disclosure, the temporally structured light differentially illuminates various regions, elements, or objects within the scene such that these regions, elements or objects may be detected, differentiated, analyzed and/or transmitted as desired and/or required. | 2013-04-04 |
20130083998 | METHOD AND APPARATUS OF GENERATING A MULTI-FORMAT TEMPLATE IMAGE FROM A SINGLE FORMAT TEMPLATE IMAGE - A method and apparatus are provided for generating a multi-format template image by an image-processing device. At least one pre-defined region in a template image having a first format is identified. Component information of the at least one pre-defined region is extracted by decoding the template image. Pixels associated with the at least one predefined region are converted from the first format to a second format, with reference to the component information of the at least one pre-defined region, to form the multi-format template image. | 2013-04-04 |
20130083999 | EXTRACTION OF IMAGE FEATURE DATA FROM IMAGES - An apparatus and method for obtaining image feature data of an image are disclosed herein. A color histogram of the image is extracted from the image, the extraction of the color histogram including performing one-dimensional sampling of pixels comprising the image in each of a first dimension of a color space, a second dimension of the color space, and a third dimension of the color space. An edge map corresponding to the image is analyzed to detect a pattern included in the image. In response to a confidence level of the pattern detection being below a pre-defined threshold, extracting from the image an orientation histogram of the image. And identify a dominant color of the image. | 2013-04-04 |
20130084000 | COMPLEMENTARY ITEM RECOMMENDATIONS USING IMAGE FEATURE DATA - An apparatus and method to facilitate finding complementary recommendations are disclosed herein. One or more fashion trend or pleasing color combination rules are determined based on data obtained from one or more sources. One or more template images and rule triggers corresponding to the fashion trend or pleasing color combination rules are generated, each of the rule triggers associated with at least one of the template images. A processor compares a first image attribute of a particular one of the template images to a second image attribute of each of a plurality of inventory images corresponding to the plurality of inventory items to identify the inventory items complementary to the query image. The particular one of the template images is selected based on the rule trigger corresponding to the particular one of the template images being applicable for a query image. | 2013-04-04 |
20130084001 | ITEM RECOMMENDATIONS USING IMAGE FEATURE DATA - An apparatus and method to facilitate finding recommendations for a query image are disclosed herein. A color histogram is determined corresponding to the query image. Determining at least one of a visual pattern included in the query image, a dominant color of the query image, or an orientation histogram corresponding to the query image. Performing comparison of a first image attribute of the query image to a second image attribute of an inventory image corresponding to an inventory item, wherein the first image attribute used in the comparison is selected from among the color histogram, the dominant color, and the orientation histogram. The selection of the first image attribute is based on a confidence score associated with the visual pattern, the dominant color, or a directionality present in the query image. | 2013-04-04 |
20130084002 | RE-RANKING ITEM RECOMMENDATIONS BASED ON IMAGE FEATURE DATA - An apparatus and method to adjust item recommendations are disclosed herein. A first image attribute of a query image is compared to a second image attribute of each of a plurality of inventory images of a plurality of inventory items to identify the inventory items similar to the query image. Item recommendations comprising the identified inventory items in a first listing order are provided for display at a remote device. A second listing order of the identified inventory items is determined based on a user preference for a particular one of the identified inventory items. At least the second listing order is provided to the remote device for re-display of the item recommendations in accordance with the second listing order. | 2013-04-04 |
20130084003 | Psychovisual Image Compression - Psychovisual image compression techniques are disclosed that compress pixel data by a fixed compression ratio with little or no perceptual loss of detail. In some implementations, a psychovisual compression process is selected among several psychovisual compression processes based on characteristics of the pixel data. Compression is achieved during encoding by discarding psychovisually unnecessary bits from the pixel data. The psychovisual compression processes can be implemented in hardware and operate on scan lines of pixels captured by the image sensor. The psychovisual compression techniques can be used with image compression techniques to compress further the pixel data. | 2013-04-04 |
20130084004 | IMAGE PROCESSING OF DATA FROM SCANNED DISPLAY - A method for image processing a two-dimensional (2D) code, including: obtaining an image by scanning a screen displaying the 2D code using a plurality of pixels, where the image includes multiple hard edges corresponding multiple spaces on the screen between the multiple pixels; identifying a pixel pitch of the screen; reducing the multiple hard edges by applying a filter based on the pixel pitch to the image; and generating, after reducing the multiple hard edges, a binary image including the 2D code by applying a threshold function to the image. | 2013-04-04 |
20130084005 | IMAGE PROCESSING DEVICE AND METHOD FOR PROCESSING IMAGE - The present invention relates to an image processing device and a method for processing an image. The image processing device includes a brightness improvement unit to improve a brightness of inputted images by increasing a brightness of a dark image more darker than a knee point among inputted images with reference to a predetermined knee point and decreasing a brightness of an image more brighter than the knee point; and a contrast improvement unit to improve a contrast of the image outputted from the brightness improvement unit. The image processing device and the method for processing the image can reduce a distortion phenomenon and a saturation phenomenon or the like by reflecting the characteristics of images during the brightness improvement and contrast improvement of the images. | 2013-04-04 |
20130084006 | Method and Apparatus for Foreground Object Detection - The present invention utilizes depth images captured by a depth camera to detect foreground/background. In one embodiment, the method comprises establishing a single background distribution model, updating the background distribution model if a new depth value for the pixel can be represented by the background distribution model, skipping update of the background distribution model if the pixel is before the background, and replacing the background distribution model if the pixel is behind the background. In case that the background distribution model does not exist initially, a new background distribution model is created. In one embodiment of the present invention, the non-meaningful pixels are handled. In another embodiment, fluctuation of the depth value due to noise is handled by using a candidate background distribution model. In yet another embodiment, the noise for pixels around object edges is handled by using a mixture of two background distribution models. | 2013-04-04 |
20130084007 | GRAPH-BASED SEGMENTATION INTEGRATING VISIBLE AND NIR INFORMATION - A method for segmenting an image includes extracting unary potentials for pixels of the input image. These can be based for each of a set of possible labels, on information for a first channel in the image, such as in the visible range of the spectrum. Pairwise potentials are extracted for neighboring pairs of pixels of the image. These can be based on information for a second channel in the image, such as in the infrared range of the spectrum. An objective function is optimized over pixels of the input image to identify labels for the pixels. The objective function is based on a combination of ones of the extracted unary and pairwise potentials. The image is then segmented, based on the identified pixel labels. The method and system can provide an improvement in segmentation over methods which use only the visible information. | 2013-04-04 |
20130084008 | METHODS AND SYSTEMS FOR SEMANTIC LABEL PROPAGATION | 2013-04-04 |
20130084009 | SYSTEMS, METHODS AND USER INTERFACES IN A PATENT MANAGEMENT SYSTEM - A system and method of providing data for a patent management system is proposed. The system presents one or more data fields of interest to a user and the method comprises downloading at least one patent document from an external patent database; applying optical character recognition to the downloaded document to provide a text-readable version of the at least one patent document; automatically applying electronic text analysis to the text-readable version to extract one or more data elements associated with a field of interest, and transmitting the data elements to a user. | 2013-04-04 |
20130084010 | IN-FIELD DEVICE FOR DE-CENTRALIZED WORKFLOW AUTOMATION - In one example, a system is provided. The system includes a portable, in-field unit including: a tag reader to acquire an ID tag identifier from a tag located in or on a physical item positioned within functional range of the in-field unit tag reader; a digital processor arranged for executing software code stored in the in-field unit responsive to the acquired ID tag identifier, the stored software code including—a customer application layer; and a database adapter component configured to provide database services to the processor; wherein the database services include accessing a stored database to acquire stored data associated with the acquired ID tag identifier. | 2013-04-04 |
20130084011 | PROOF READING OF TEXT DATA GENERATED THROUGH OPTICAL CHARACTER RECOGNITION - A novel system includes: a first proof reading tool for performing carpet proof reading on text data; a second proof reading tool for performing side-by-side proof reading on the text data; a storage unit configured to store a log of proof reading operations having been performed by using the first and second proof reading tools; and an analysis unit configured to determine, for each attribute serving as units in which carpet proof reading is performed with the first proof reading tool, whether or not to use the first proof reading tool in proof reading of the attribute, by comparing a first estimated value of a time taken when proof reading is performed by using the first proof reading tool with a second estimated value of a time taken when proof reading is performed by using the second proof reading tool without using the first proof reading tool, the first and second estimated values being calculated on the basis of the log. | 2013-04-04 |
20130084012 | METHODS, APPARATUSES, AND COMPUTER PROGRAM PRODUCTS FOR RESTRICTING OVERLAY OF AN AUGMENTATION - Methods and apparatuses are provided for restricting overlay of an augmentation. A method may include evaluating a feature space representation of an image for presence of a predefined feature pattern. The method may further include recognizing, based at least in part on the evaluating, that the predefined feature pattern is present in the feature space representation of the image. The method may additionally include, in response to recognizing that the predefined feature pattern is present in the feature space representation of the image, restricting overlay of an augmentation on a portion of the image corresponding to the recognized predefined feature pattern. Corresponding apparatuses are also provided. | 2013-04-04 |
20130084013 | SYSTEM AND METHOD FOR SALIENCY MAP GENERATION - A system and a method are disclosed for generating a saliency map of an image. The method includes receiving image data representative of image forming elements of an image and determining saliency values for image forming elements by an iterative method. The iterative, method includes computing a norm of the image data, computing values of deviation from the norm of the image data of the image forming elements, identifying the image forming elements corresponding to the image data having magnitudes of deviation that meet a pre-determined condition, assigning saliency values to the identified image forming elements based on the values of deviation, and repeating the computing the norm and deviation, identifying image forming elements and assigning saliency values using the image data of image forming elements that have no assigned saliency value. A saliency map of the image based on the assigned saliency values. | 2013-04-04 |
20130084014 | PROCESSING METHOD FOR IMAGE INTERPOLATION - A processing method for image interpolation is provided. In the method, a contour containing a destination pixel and a plurality of contour pixels is produced and detected by using an edge detection method for a selected area in an original image. Next, two extreme points are identified from the contour pixels by judging the changing trend of brightness value of the contour pixels on the contour. Then using the changing trend and two extreme points determines whether the destination pixel is located at a transition area or a non-transition area. If the destination pixel is located at the non-transition area, an interpolation adjust value is calculated according to the brightness values of the two extreme points and the brightness value of the destination pixel. An interpolation result of the destination pixel is obtained by performing the interpolation on the selected area according to the interpolation adjust value. | 2013-04-04 |
20130084015 | METHOD AND PROGRAM FOR CREATING ANALYSIS MODEL - A method of creating an analysis model includes the steps of storing first shape information in association with instruction information that is used for creating the analysis model and that includes shape feature information about a connecting part in the first shape information; comparing second shape information with the first shape information associated with the instruction information; determining whether a difference between the first shape information and the second shape information is within an allowable range for the shape feature information included in the instruction information; and setting the instruction information if the difference between the first shape information and the second shape information is within the allowable range. | 2013-04-04 |
20130084016 | METHOD TO DETERMINE FIDUCIAL POINT FOR HOLOGRAPHIC DATA STORAGE - A method to determine a fiducial point for holographic data storage is disclosed, which utilizes a gray-level frame to sequentially retrieve a regional image used as a retrieved image with the size equal to that of the frame from a received gray-level image. The gray-level frame is compared with each retrieved image to obtain a plurality of values and construct a 2D proto-matrix. The 2D proto-matrix is transformed into a 2D matrix via letting the values smaller than 0 be 0. The 2D matrix and a retrieving matrix, which has a dimensionality equal to or smaller than that of the frame, are used to obtain an anchor matrix. A greatest value in the central region of the 2D matrix is found to function as an anchor value according to the anchor matrix, thereby find a fiducial point in the gray-level image. | 2013-04-04 |
20130084017 | IMAGE PROCESSING APPARATUS AND METHOD, PROGRAM AND RECORDING MEDIUM - An image processing apparatus includes a motion estimation processing section that detects a motion vector of block units which configure an image from a standard image and a reference image; a motion compensation processing section that produces a motion compensation image by performing motion compensation of the reference image using the motion vector; a difference calculation section that calculates a difference value between pixel values of a pixels of the standard image and pixel values of pixels of the motion compensation image; and a threshold value processing section that determines whether block noise is contained in the motion compensation image of a block unit or not by performing a threshold value processing on the difference value. | 2013-04-04 |
20130084018 | METHOD OF AND APPARATUS FOR ENCODING DATA - A graphics texture data encoding arrangement in which the texels in a texel block | 2013-04-04 |
20130084019 | Automatic Image Sharpening - Systems, methods and computer program products are disclosed for automatic image sharpening. Automatic image sharpening techniques are disclosed that automatically bring a blurred image into focus. Techniques for reducing edge ringing in sharpened images are also disclosed. According to implementations, a computer-implemented method includes determining a normalized entropy of a first image, calculating a correlation target based on the normalized entropy, automatically determining a blur radius of a de-convolution kernel that causes a cosine of a first radial power spectrum of the kernel and a second radial power spectrum of a reconstruction of the first image to approximate the correlation target and generating a second image based on the blur radius. | 2013-04-04 |
20130084020 | Generalized Multiscale Seam Carving Framework - A computer-implemented method for resizing an image using a seam carving algorithm. The method may include measuring energy levels of pixels in an original image to derive an original energy map; applying a filter to an original energy map to derive a first energy map having a scale less than the original energy map; iteratively applying the filter N times, starting with the first energy map, to an energy map from an immediately preceding iteration; upsampling each of the energy maps to a resolution that matches the original energy map; combining the upsampled energy maps with the original energy map to form a composite image; identifying a seam by finding a path in the composite image having lowest energy quantities from one end of the composite image to an opposing end of the composite image; and selectively deleting the identified seam from the original image, thereby yielding a resized image. | 2013-04-04 |
20130084021 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, IMAGE PROCESSING PROGRAM, AND INTEGRATED CIRCUIT - The grayscale of an input signal is converted without amplifying noise components thereof. A grayscale conversion portion performs grayscale conversion on an input signal IS to create a converted signal TS, a noise reduction degree determining portion determines a noise reduction degree NR that expresses a strength of noise reduction processing to be applied to the converted signal based on the input signal IS and the converted signal TS, and a noise reducing portion executes noise reduction processing on the converted signal TS based on the noise reduction degree NR. By doing this, it is possible to convert the grayscale of the input signal without enhancing the noise. | 2013-04-04 |
20130084022 | SYSTEMS, METHODS, AND APPARATUS FOR ARTIFACT EVALUATION OF DIGITAL IMAGES - Descriptions are provided of various implementations of an automated tuning process configured to optimize a procedure for post-processing images captured by a camera sensor. | 2013-04-04 |
20130084023 | MULTISTEP CORRECTION FOR ANGLE CONSISTENT ARTIFACTS IN RADIAL SAMPLED DATASETS - This document discloses, among other things, a method for removing a bullseye artifact from a radial image generated using magnetic resonance and using a swept frequency pulse. | 2013-04-04 |
20130084024 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, PROGRAM, AND RECORDING MEDIUM - There is provided an image processing apparatus including a local-motion-compensation-processing unit which generates a local-motion-compensation image by detecting a local motion vector, which is a motion vector for each block forming an image, from a standard image and a reference image, and performing motion compensation on the reference image using the local motion vector, a global-motion-compensation-processing unit which generates a global-motion-compensation image by calculating a global motion vector, which is a motion vector for an entire image between the standard image and the reference image, using the local motion vector, and performing motion compensation on the reference image using the global motion vector, and a blend processing unit which generates a blend-motion-compensation image by combining a pixel value of a pixel in the local-motion-compensation image and a pixel value of a pixel in the global-motion-compensation image based on a noise intensity for a luminance value of an image. | 2013-04-04 |
20130084025 | Method for Brightness Correction of Defective Pixels of Digital Monochrome Image - A method for brightness correction of defective pixels of digital monochrome image consisting in calculation of defective pixel brightness values over its neighborhood, creation of a defective pixel map that is used to determine a defective cluster perimeter preferably quadruply-connected one and calculate brightness value of each defective pixel belonging to such a perimeter; performing such a procedure iteratively until brightness value of each defective pixel has been calculated; defective pixel brightness value is calculated as an average weighed value over neighboring pixel brightness values. The technical result of the claimed method consists in increased quality of obtained image by means of brightness correction of defective pixels of a digital monochrome image. | 2013-04-04 |
20130084026 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - This invention provides an image processing apparatus including a unit which generates index image data, a unit which obtains a position of thumbnail image data in the index image data, a unit which divides the index image data so as to prevent overlap of the thumbnail image data, a unit which calculates a histogram of a luminance value of image data corresponding to each partial area including the thumbnail image data, a unit which determines image correction characteristics of each piece of image data based on the histogram and performing image correction, and a unit which reconfiguring the index image data using the corrected image data to output the reconfigured index image data. | 2013-04-04 |
20130084027 | IMAGE PROCESSING APPARATUS | 2013-04-04 |
20130084028 | Food pouch with spout and zip lock - The invention relates to a disposable pouch having a function for storing, transporting, and serving food with both a spout and a zip lock like device, to promote expeditious storage and serving of food into and from the top section of the pouch. | 2013-04-04 |
20130084029 | STORAGE BAG - An improved storage bag comprises a bag body that defines an opening at a top thereof and two folding lines respectively at two opposing sides thereof. The bag body is provided with two handles respectively at the two opposing sides above the folding lines, so that when the bag body is extended into shape, the handles can be folded relative to the bag body along the folding lines to be overlapped horizontally. The bag body is provided with at least one support bar at each of the two opposing sides. Each support bar extends from a bottom of the bag body to an underside of one of the handles. The support bars can engage with the underside of one of the handles to support the bag body in the extended shape, thereby preventing the bag body from a collapse when the storage bag is in use. | 2013-04-04 |
20130084030 | DISPOSABLE PLUG AND SENSOR FITTINGS FOR BIOREACTOR BAGS - A port fitting for use with a barbed fluid connector includes a plug having a first end and an opposing second end with a guide outwardly projecting from the second end. An O-ring is disposed on and encircling the plug. A pair of elongated arms project alongside the length of the plug. Each arm has a first end secured to the first end of the plug and an opposing second end that is freely disposed so that the arms can be flexed by manipulation of the second end. Each arm has a catch that inwardly projects toward to the guide. In one embodiment the guide terminates at an end wall and a channel extends through the plug and guide to the end wall. An optical sensor is mounted on the end wall. | 2013-04-04 |
20130084031 | SLIDING ELEMENT WITH DLC COATING - A sliding element, and in particular a piston ring, is provided with a DLC coating on a substrate of the sliding element. A material softer than DLC is embedded into the surface of the DLC coating with which the sliding element will come into contact with a sliding partner, against which the sliding element will slide. | 2013-04-04 |
20130084032 | Bearing Housing for an Engine with Stress and Stiffness Control - An apparatus comprises a bearing section capable of receiving bearings, a base, and a plurality of members. The bearing section and the base have a cylindrical shape and are substantially aligned centrally along an axis. The plurality of members extend between the bearing section and the base and have a length and a width. Each of the plurality of members has a side that is substantially non-perpendicular with respect to the bearing section and the base. | 2013-04-04 |
20130084033 | ELECTRICALLY INSULATING BEARING RING, IN PARTICULAR FOR A ROLLER BEARING - An electrically insulating bearing ring, in particular of a roller bearing, including a base body ( | 2013-04-04 |
20130084034 | BEARING WITH HIGH-LOAD RADIAL AND AXIAL CAPABILITES INCLUDING A THERMAL COMPENSATION ELEMENT AS NEEDED - A bearing assembly that includes both radial and axial roller elements. The bearing assembly can be used in applications requiring a low friction bearing requiring high radial and axial load carrying characteristics. The bearing assembly has an inner ring with a radially outwardly extending rim, an outer ring with a radially inwardly extending rim, radial and axial rollers, and cage segments arranged between the inner and outer ring. The axial rollers are arranged in the cage segments to form axial roller assemblies and the radial rollers are interdisposed between the axial roller assemblies with the radial rollers and the axial rollers being fully encompassed within the inner ring and the outer ring. | 2013-04-04 |
20130084035 | Fractured-Outer-Race Full-Complement Ball-Bearing System For Use In A Turbocharger - A turbocharger ball-bearing assembly incorporates a cageless set of ceramic bearing balls operating within outer and inner bearing raceways, wherein the outer bearing raceway is on the inside of a fractured outer race. | 2013-04-04 |
20130084036 | Optical Waveguide Device and Method of Manufacturing the Same - An optical waveguide device using a thin substrate having an electro-optical effect and having a thickness of 10 μm or less, in which, even when the thin substrate is adhered to a supporting substrate, breakage of the thin substrate or supporting substrate is suppressed, and performance deterioration such as optical loss due to fine cracks is also suppressed. The optical waveguide device includes a thin substrate, which has an electro-optical effect and a thickness of 10 μm or less, and in which an optical waveguide is formed, and a supporting substrate that is adhered to the thin substrate through an adhesion layer. A structure is formed in a thin-substrate side surface of the supporting substrate, and the supporting substrate is annealed at a high temperature that is equal to or lower than the Curie temperature after forming the concavo-convex structure and before being adhered to the thin substrate. | 2013-04-04 |
20130084037 | NANO-STRUCTURED TRAMPOLINE FIBER GAS SENSOR - A fiber gas sensor including a core fiber comprising at least one Bragg grating region, a fiber cladding in contact with the core fiber along an entire length of the core fiber, and a sensing matrix structure disposed upon the outer surface of the fiber cladding along a portion of the length of the fiber cladding and surrounding the fiber Bragg grating region. The sensing matrix structure comprising a bonding layer disposed on the outer surface of the fiber cladding layer, a nano-structured trampoline matrix layer disposed on the outer surface of the bonding layer and a capping layer disposed on the outer surface of the matrix layer. The thermally modulated response amplitude of the fiber gas sensor is found to linearly depend upon the gas molecular weight, and can be directly used to determine heat specific capacity ratio of Cp/Cv. | 2013-04-04 |
20130084038 | Optical Waveguide Device - An optical waveguide device that uses a thin substrate having an electro-optical effect and a thickness of 10 μm or less, in which slab propagation light that is reflected from an end face of the device is removed and thus deterioration in an operational characteristic is suppressed. The optical waveguide device includes: a thin substrate which has an electro-optical effect and thickness of 10 μm or less, and in which an optical waveguide is formed; and a supporting substrate that is adhered to the thin substrate through an adhesion layer. An antireflective film is formed on a part of a side surface of the optical waveguide device. | 2013-04-04 |
20130084039 | LENS ARRAY OPTICAL COUPLING TO PHOTONIC CHIP - A photonic integrated circuit apparatus is disclosed. The apparatus includes a photonic chip and a lens array coupling element. The photonic chip includes a waveguide at a side edge surface of the photonic chip. The lens array coupling element is mounted on a top surface of the photonic chip and on the side edge surface. The coupling element includes a lens array that is configured to modify spot sizes of light traversing to or from the waveguide. The coupling element further includes an overhang on a side of the coupling element that opposes the lens array and that abuts the top surface of the photonic chip. The overhang includes a vertical stop surface that has a depth configured to horizontally align an edge of the waveguide with a focal length of the lens array and that vertically aligns focal points of the lens array with the edge of the waveguide. | 2013-04-04 |
20130084040 | Opto-Mechanical Joint Assemblies - A light collecting and disseminating apparatus is provided for use in harvesting sunlight from the exterior of a man-made structure, and providing light to the inside of the structure, via an opto-mechanical joint where sunlight would not normally be available. The internal arrangement of the collector allows for improved optical accuracy and performance over prior efforts. The apparatus is also characterized as possessing a low profile so as not to alter the appearance of buildings furnished with the invention. Further, light can be collected from any orientation and redirected through the opto-mechanical joint to a stationary light receiving port independent of the orientation of the collectors. | 2013-04-04 |
20130084041 | OPTICAL FIBER ADAPTER WITH SHUTTER MEMBER - An optical fiber adapter includes a first housing and an elastic shutter member. The first housing includes a flange and an accommodation room with an opening. A hollow cylinder extends from the front surface of the flange and is positioned within the accommodation room. The shutter member includes a horizontal portion, two vertical portions, two hooks, a shutter plate and a connecting portion. The horizontal portion is positioned within the accommodation room. The two vertical portions extend from two opposing sides of the horizontal portion, respectively, and go through the openings on the flange, respectively. The two hooks extend from the two vertical portions, respectively, and are configured to hook on to the flange. The connecting portion connects the horizontal portion with the shutter plate. The shutter plate extends from the connecting portion and into the accommodation room to arrive in front of an opening of the hollow cylinder. | 2013-04-04 |
20130084042 | DAMAGE RESISTANT FIBER OPTIC CONNECTOR - A fiber optic connector has a connector body, an elongated ferrule supported in the connector body, and a sleeve fixed on the circumference of a distal tip of the ferrule. The ferrule has an axial passage that opens on a front surface of the tip so that an endface of a fiber retained in the passage is exposed at the front surface. Further, the sleeve has a leading edge that projects a determined distance axially beyond the front surface of the tip to form a recessed region in which the exposed endface of the fiber is set back from the leading edge of the sleeve. A barrier is contained in the recessed region for protecting the fiber endface from damage by surrounding objects. The barrier may include a cured epoxy layer, a lens, or a refractive index matching material optically aligned with the fiber endface. | 2013-04-04 |
20130084043 | FERRULE-BASED OPTICAL COMPONENT ASSEMBLIES - In one embodiment, an optical transceiver assembly includes an active component substrate, first and second fiber securing devices, and a holder device coupled to the active component substrate. The holder device includes an active optical component recess that encloses a first and second active optical component of the active component assembly, and first and second fiber-locating holes having an engagement feature at the active optical component recess such that an end of first and second fibers inserted into the first and second fiber-locating holes are aligned with the first and second active optical components along the x-, y-, and z-axes. In another embodiment, an optical component assembly includes an active component substrate having a solder ring, a fiber securing device, and an active optical component on the active component substrate. The fiber securing device is aligned with the active optical component by the solder ring. | 2013-04-04 |
20130084044 | OPTICAL COMPONENT ASSEMBLIES - In one embodiment, an optical component assembly includes an active component substrate, an active component positioned on the active component substrate, a collar and a fiber securing device. The collar is coupled to the active component substrate, and the fiber securing device is configured to mate with the collar such that a signal surface of the fiber securing device is located at a predetermined distance from the surface of the active component substrate, and a signal aperture of the fiber securing device is substantially located at a predetermined optical coupling location with respect to the active optical component. In another embodiment, an optical transceiver assembly includes an optically transmissive fiber securing device coupled to and aligned with a surface of the active component substrate using first and second alignment apertures that are aligned with first and second alignment locations of the active component substrate, respectively. | 2013-04-04 |
20130084045 | OPTICAL CONNECTOR AND ELECTRONIC EQUIPMENT USING THE SAME - An optical connector includes a fiber holder to hold optical fibers; a housing to accommodate the optical fibers and the fiber holder; and a thermally driven actuator to displace at least a part of the fiber holder upon application of heat from a first position at which the fiber holder is retracted inside the housing to a second position that allows the optical fibers to be optically coupled to a counterpart connector. | 2013-04-04 |
20130084046 | LASER OPTICAL SYSTEM USING OPTICAL FIBER TRANSMISSION - A laser optical system using optical fiber transmission, includes a first optical fiber for transmitting laser light emitted from a laser oscillator, a collimator lens for collimating laser light emitted from the first optical fiber, a spherical array lens including a plurality of cells for converging laser light emitted from the collimator lens into a plurality of spots, a plurality of second optical fibers each having a smaller core diameter than the first optical fiber and configured to admit the laser light converged into the corresponding spot by the spherical array lens, the second optical fibers having output ends that have mutually parallel axial lines and are arranged linearly in a single row, and a linearization optical unit for shaping laser light emitted from the second optical fibers into laser light having a linear cross section at an illuminated surface. | 2013-04-04 |
20130084047 | FIBER OPTIC RIBBON CABLE HAVING ENHANCED RIBBON STACK COUPLING AND METHODS THEREOF - A fiber optic ribbon cable includes a jacket of the cable, the jacket having a cavity defined therein, an optical element including an optical fiber and extending within the cavity of the jacket, and a dry water-blocking element extending along the optical element within the cavity. The dry water-blocking element is wrapped around the optical element with at least a portion of the dry water-blocking element disposed between another portion of the dry water-blocking element and the optical element, thereby defining an overlapping portion of the dry water-blocking element. The optical element interfaces with the overlapping portion to provide direct or indirect coupling between the optical element and the jacket. | 2013-04-04 |
20130084048 | MULTI-MODE OPTICAL FIBER - The present invention relates to a multi-mode optical fiber having a structure to reduce the numerical aperture at the emission end of the multi-mode optical fiber having a length for which practical use is assumed. The multi-mode optical fiber comprises a core portion, a trench portion, and a cladding portion. The multi-mode optical fiber is designed such that the numerical aperture at the emission end thereof is reduced as the fiber length increases, and moreover such that the numerical aperture of the multi-mode optical fiber having a length for which practical use is assumed satisfies a specific condition. By this means, the numerical aperture at the emission end of the multi-mode optical fiber can be kept small, and coupling efficiency of the multi-mode optical fiber with other optical components is drastically improved. | 2013-04-04 |
20130084049 | POSITIONING SYSTEM - The present invention relates to a method and system for fibre positioning in wide-field astronomy. In one form the method and system of the present invention relate to anchoring fibre end points adjacent or against the field plate of a telescope. In one embodiment the positioning system for anchoring a fibre end point at a location on a telescope field plate collocated with a telescope focal plane, the positioning system comprising a piezoelectric positioning device for positioning the fibre end point, the positioning device comprising a chamber having an opening, the opening lying against the field plate in use defining a substantially enclosed volume inside the chamber, a pump for reducing pressure inside the enclosed volume; and a path connecting the pump and the enclosed volume so that, in use, the pump effects a reduction in pressure in the chamber thereby anchoring the fibre end point on the field plate. | 2013-04-04 |
20130084050 | AGGREGATION ENCLOSURE FOR ELEVATED, OUTDOOR LOCATIONS - Certain types of aggregation enclosures include cable input ports and downwardly angled cable output ports. A cover is pivotally coupled to the body so that the cover moves between an open position and a closed position. A modular component panel may be disposed within the enclosure. The component panel includes one or more distribution components (e.g., fiber distribution components or power distribution components) configured to connect at least a portion of an incoming cable to at least a portion of an outgoing cable. | 2013-04-04 |
20130084051 | OPTICAL FIBER CORE - An optical fiber core having a primary layer and a secondary layer, which are laminated on a bare optical fiber. The primary layer is formed by curing an ultraviolet-curable resin composition containing a first silane coupling agent, which can be incorporated into a resin skeleton, and a second silane coupling agent, which cannot be incorporated into a resin skeleton. The first silane coupling agent contains a compound having a methoxy group, and the second silane coupling agent contains a compound having an ethoxy group. | 2013-04-04 |
20130084052 | ELECTRONIC DEVICE AND NETWORK ACCESS MODULE - The disclosure provides an electronic device and a network access module. The electronic device comprises: a multimedia processing module and a network access module. The multi-media processing module comprises a first network control circuit, and the network access module comprises: a second network control circuit, a third network control circuit, at least a fourth network control circuit, a network transmission unit, and a multiplexer. The multiplexer is utilized for selecting at least a multimedia connecting port from a plurality of multimedia connecting ports to connect to the at least a fourth network control circuit, so as to make at least a multimedia device connected to the at least a multimedia connecting port to connect to an external network and access the external network via the at least a fourth network control circuit, the network transmission unit, the third network control circuit, and the network connecting port. | 2013-04-04 |
20130084053 | System to merge multiple recorded video timelines - A video recording and playback network comprises a video source, a plurality of recorders, a local server, and a client device. The plurality of recorders records video from the video source. The local server generates a playlist comprising one or more ordered video segments which together cover a desired time range. The playlist associates one of the plurality of recorders with each video segment. The client device plays back video according to the playlist by streaming each video segment, in sequence, from the associated recorder. | 2013-04-04 |
20130084054 | ELECTRONIC APPARATUS AND PLAYBACK CONTROL METHOD - According to at least one embodiment, an electronic apparatus determines whether or not a received packet is a first packet in which a random access indicator flag is set. The random access indicator flag indicates that the first packet is a start packet in a packet group required to carry a randomly accessible video frame. If the received packet is the first packet, the apparatus acquires a time stamp indicating a presentation time of the randomly accessible video frame from the first packet or another received packet having the same packet identifier as the first packet, and generates index information indicating the presentation time and a storage position of the first packet in a buffer. | 2013-04-04 |
20130084055 | INFORMATION REPRODUCING SYSTEM USING INFORMATION STORAGE MEDIUM - An information storage medium storing management information, wherein the management information manages a main video or an advanced application, | 2013-04-04 |
20130084056 | METHOD AND SYSTEM FOR DETECTING NON-POWERED VIDEO PLAYBACK DEVICES - A method and system for identifying tune data from set top boxes associated with televisions, video monitors, or other video playback devices that are likely powered off. In some embodiments, survival curves are constructed that predict a length of time before a video playback device is powered off after a tuning event. The survival curves are used to predict the likelihood that a video playback device is powered off. Viewership estimates made from tune data reported from set top boxes can be adjusted to take account of the video playback devices that are predicted to be powered off. | 2013-04-04 |
20130084057 | System and Method for Extraction of Single-Channel Time Domain Component From Mixture of Coherent Information - A computer readable medium containing computer executable instructions is described for extracting a reference representation from a mixture representation that comprises the reference representation and a residual representation wherein the reference representation, the mixture representation, and the residual representation are representations of collections of acoustical waves stored on computer readable media. | 2013-04-04 |
20130084058 | SYSTEM FOR REMOTELY CONTROLLING CLIENT RECORDING AND STORAGE BEHAVIOR - A system for remotely controlling client recording and storage behavior schedules the recording, storing, and deleting of multimedia content on a client system storage device. The viewer may request that certain content be captured. Capture requests also allow the service to determine content to be recorded by the client system in the same manner that a viewer requests that certain content are recorded but are more powerful than what a viewer can request. Recording requests for a capture request can preempt viewer requests or be entered at the same or lower priority as a viewer request. Capture requests can adjust all aspects of a recording request and affect the capture request itself. Client system operational functionality are also manipulated by the service using capture requests. | 2013-04-04 |
20130084059 | VAPORIZER - A vaporizer, capable of stabilizing the behavior of pressure inside the vaporizer, includes a chamber having an inlet and an outlet, a heating device that heats the inside of the chamber, a partition wall structure | 2013-04-04 |
20130084060 | FOCAL PLANE SHUTTER AND OPTICAL DEVICE - A focal plane shutter includes: first, second, and third boards respectively including openings through which light enters an image pickup element from an object side, and arranged in this order from the object side toward the image pickup element side; a blade arranged between the first and second boards and capable of opening and closing the openings; and a holding member arranged between the second and third boards, not coupled to the blade, and holding the second board from the image pickup element side. | 2013-04-04 |
20130084061 | CAMERA ACCESSORY, CAMERA BODY, AND CAMERA SYSTEM - A camera accessory is detachably mounted at a camera body that includes a first body contact point, a second body contact point, a third body contact point, a fourth body contact point and a fifth body contact point and detects disengagement of the camera accessory when the fifth body contact point sustains a signal level corresponding to a first truth value continuously over a length of time equal to or greater than a predetermined time length. In the camera accessory, the accessory-side communication control device executes control so as to ensure that the signal assuming a level corresponding to the first truth value is not continuously output from the fifth accessory contact point any longer than the predetermined time length while the operating voltage supply from the camera body is provided via the first accessory contact point. | 2013-04-04 |
20130084062 | HITLESS PROTECTION FOR TRANSMITTING TRAFFIC IN HIGH-SPEED SWITCHING SYSTEM - A system to provide hitless protection includes a primary line card with a synchronous interface, the primary line card processing traffic with cells and encapsulating the traffic into synchronous frames in a predetermined format; and a back-up line card with a synchronous interface, the back-up line card processing the traffic with the cells and encapsulating the traffic into the synchronous frames in the predetermined format, wherein each line card includes a buffer to align the traffic before transmission, wherein the cell information sent by the primary line card is passed to the back-up line card, and wherein the back-up line card follows the received information to send to the destination cell. | 2013-04-04 |
20130084063 | HITLESS PROTECTION FOR TRAFFIC RECEIVED FROM 1+1 PROTECTING LINE CARDS IN HIGH-SPEED SWITCHING SYSTEMS - A communication system includes a synchronous interface coupled to a switch fabric; cells for switching; and a 1+1 protection unit with a primary and back-up line cards. | 2013-04-04 |
20130084064 | METHOD AND SYSTEM OF AUTOMATIC REGENERATION OF OPTICAL SIGNALS - In accordance with the present disclosure, disadvantages and problems associated with transmitting high capacity (e.g., 400 G) optical signals may be reduced. In accordance with an embodiment of the present disclosure a method for regenerating an optical signal comprises receiving an optical signal at a network element and measuring a performance characteristic of the optical signal. The method further comprises determining that the optical signal needs regeneration based on the performance characteristic of the optical signal. The method additionally comprises performing signal regeneration of the optical signal based on the determination that the optical signal needs regeneration. | 2013-04-04 |
20130084065 | OPTICAL TRANSMITTER AND WAVEFORM COMPENSATION METHOD - An optical transmitter includes an EA modulator, a photocurrent detection circuit, a modulator drive circuit, and a CPU. The EA modulator converts an input signal into an optical signal and outputs the optical signal. The photocurrent detection circuit detects an optical absorption current (a photocurrent) in the EA modulator. The modulator drive circuit controls the EA modulator. The CPU calculates a voltage to be applied to the modulator drive circuit based on the optical absorption current detected by the photocurrent detection circuit. | 2013-04-04 |
20130084066 | LAYER 1 FAST PROVISIONING AND RIGHT SIZING OF BANDWIDTH FOR LAYER 2/3 - Additional bandwidth is provisioned to layer 2/3 networks by initially provisioning optical wavelength channels to meet incremental needs for additional capacity. When bandwidth requirements grow large enough, a wavelength-sized channel is provisioned to meet the bandwidth needs, and the previously provisioned optical wavelength channels are freed up to be reused for additional growth. The optical wavelength channels may be channelized VLANs mapped to resizable optical channel data units such as ODUflex units. | 2013-04-04 |
20130084067 | OPTICAL REPEATER COMPLYING WITH REDUNDANT CONFIGURATION - An optical repeater formed in an optical passive component passively relays an incoming multiplexed optical signal. The repeater has an optical decoder decoding the multiplexed optical signal, and an optical encoder encoding an optical signal from a termination unit connected to the repeater. The repeater further includes a first optical path switch outputting an incoming multiplexed optical signal to the optical decoder and outputting the optical signal delivered from the optical decoder, a second optical path switch outputting the optical signal coming from the first optical path switch to the termination unit, and a third optical path switch outputting the optical signal coming from the second optical path switch to the encoder and outputting the optical signal delivered from the encoder. | 2013-04-04 |
20130084068 | OPTICAL TRANSPORT NETWORK SYSTEM, OPTICAL-SIGNAL TRANSMISSION PATH SELECTING METHOD, AND OPTICAL TRANSMISSION DEVICE - An optical transport network system includes a plurality of NEs, each transmitting wavelength-multiplexed optical signals. Each NE includes a routing information DB that is used to store reachable area information, which contains identifiers of other NEs in a range within which the optical signals can be transmitted from the own NE without using an REG. A FROM NE includes a path candidate searching unit that searches for a plurality of path candidates for transmitting optical signals from the FROM NE to a TO NE. The TO NE includes a path selecting unit that selects a path for transmitting optical signals from among a plurality of path candidates. The path selecting unit obtains the number of times for which the REG is used for each of the plurality of path candidates; and, based on each number of times that is obtained, selects a path for transmitting the optical signals. | 2013-04-04 |
20130084069 | DIGITAL LIGHT PATH LABELING SYSTEM WITH DUAL POLARIZATION QUATERNARY PHASE-SHIFT KEYING MODULATION - A method and system for encoding and determining labels in a Dual Polarization (DP) Quaternary Phase Shift Keying (QPSK) signal is provided. A label frame, signature sequence, and data payload are combined using a complementary constant-weight code encoding (CCWC) encoder, the output of which is deinterleaved and differentially precoded to generate a polarized tributary of a DP-QPSK signal. This encoding can be duplicated for a second tributary of the DP-QPSK signal. The label can be determined using one or more polarizers and corresponding low-speed photodetectors, each applied to a copy of the DP-QPSK signal. The strongest output of the photodetectors is then used to determine the label. Alternatively, the DP-QPSK signal can be viewed as having XI, XQ, PH, and PV tributaries. These tributaries can then be translated into XI, XQ, YI, and YQ tributaries are encoded into a standard DP-QPSK signal. | 2013-04-04 |
20130084070 | OPTICAL TRANSCEIVER INCLUDING OPTICAL FIBER COUPLING ASSEMBLY TO INCREASE USABLE CHANNEL WAVELENGTHS - An optical transceiver may include an optical fiber coupling assembly for coupling optical fibers to transmitter and receiver sub-assemblies to increase the number of usable channel wavelengths by reducing an incident angle on a WDM filter without causing unwanted back reflection to a laser. In one example, the optical fiber coupling assembly may be used to increase the number of usable channel wavelengths between the L-band and the C-band. The optical transceiver may be used, for example, in an optical line terminal (OLT) and/or optical networking unit (ONU) in a wavelength division multiplexed (WDM) passive optical network (PON) capable of transmitting and receiving optical signals on multiple channel wavelengths. | 2013-04-04 |
20130084071 | Manual ROADM front panel configuration - With Reconfigurable Optical Add Drop Modules (ROADMs) gaining popularity in the fiber optic market, many network designers are seeing the benefits of this technology. But the industry standard has been to make ROADMs automatically configurable, which adds considerably to the cost. Significant savings can be achieved by creating a manual ROADM for locations that do not require frequent configuration changes. This is achieved using a unique front panel configuration of a simple Optical Add Drop Module (OADM) system. | 2013-04-04 |
20130084072 | OPTICAL RECEPTION APPARATUS AND OPTICAL NETWORK SYSTEM - An optical apparatus includes a dispersing medium configured to receive carrier light which has been subjected to phase modulation in accordance with subcarrier modulation signals which has been modulated using data signals, and a signal extractor configured to extract the data signals from light output from the dispersing medium. | 2013-04-04 |
20130084073 | Shared Wavelength Locker With A Periodic Transmission Filter In A Network Communication Path - An apparatus comprising a plurality of optical transmitters and a wavelength locker shared by the plurality of optical transmitters. A periodic transmission filter used for wavelength locker operations is in a network communication path and shapes optical transmissions from the plurality of optical transmitters to a network. An apparatus comprising at least one processor configured to receive a pre-filter signal corresponding to part of an optical signal comprising a pilot tone and to receive a post-filter signal corresponding to a part of the optical signal that passes through a period transmission filter, wherein a filtered part of the optical signal is directed into a network. The processor is also configured to perform wavelength locking based on a quadrature detection technique that aligns an adiabatic logical one position of a modulated transmission signal with a spectral transmission peak of the period transmission filter. | 2013-04-04 |
20130084074 | Photonic Circuit - An integrated or monolithic photonic circuit that modulates RF signals onto optical signals and then performs a channelizing filter function according to the RF content. According to an exemplary embodiment, the photonic circuit is employed in an aircraft system that includes a front end, a photonic circuit, an optical connection, and an electronic module at some distant location in the aircraft. RF signals are received by an antenna in the front end, the RF signals are then modulated onto optical signals by a modulator and a laser, the modulated optical signals are filtered by a filter array according to a channelizing filter function, and the modulated and channelized optical signals are then carried over the optical connection to the electronic module. Other options like a wavelength-tunable laser and corresponding feedback feature, as well as ring filters with integrated semiconductor optical amplifiers (SOAs) are also possible. | 2013-04-04 |
20130084075 | SUPER-CHANNEL ASSIGNMENT USING A FLEXIBLE GRID - A node is configured to receive an instruction to establish a channel having a bandwidth that corresponds to an operating spectrum an optical fiber; obtain information that identifies a channel spacing and a pointer that identifies where, within the spectrum, to establish bandwidth allocations; identify a group of bandwidth segments based on the spectrum and the channel spacing; and generate bit words that correspond to the bandwidth allocations, where the bit words includes bits that, when set to a value, cause sets of segments to be reserved within the spectrum, and where the sets of segments identify where the bandwidth allocations begin and end, within the spectrum, relative to the pointer. | 2013-04-04 |
20130084076 | METHOD FOR OPTICAL PHASE MODULATION, Optical Phase Modulator AND OPTICAL NETWORK USING THE SAME - An optical phase modulator based on the principles of stimulated Brillouin scattering is disclosed. The optical phase modulator uses a pump wave and a probe wave counte-propagating in an optical fiber, whose frequencies are chosen such that a difference thereof differs from a resonant Brillouin frequency of the optical fiber. The pump wave is amplitude modulated prior to injecting into the optical fiber, causing phase modulation of the probe wave inside and at the exit from the optical fiber. Alternatively, the probe wave can be amplitude modulated, thereby causing a phase modulation of the pump wave. In the embodiments of the invention, the pump wave is a continuous wave, and the probe wave is a pulse Stokes wave or an anti-Stokes wave. A corresponding optical network using the phase modulator is also disclosed. | 2013-04-04 |
20130084077 | OPTICAL FIBER AND OPTICAL TRANSMISSION SYSTEM - An optical fiber that propagates light over a use wavelength bandwidth of 100 nm or wider in a plurality of propagation modes is provided. The optical fiber has: a confinement loss equal to or less than 1 dB/km in each of the plurality of propagation modes over the use wavelength bandwidth; and a bending loss equal to or less than 100 dB/m in each of the plurality of propagation modes over the use wavelength bandwidth when the optical fiber is bent at a diameter of 20 mm. | 2013-04-04 |
20130084078 | Technique for Increasing Signal Gain - A technique for generating complementary signals for joint transmission involves generating a first signal having a first wavelength and a second signal having a second wavelength. The first signal is modulated with a first modulation to encode data, and the second signal is modulated with a second modulation, which is an inverted version of the first modulation, to encode the same data such that the first and second signals are complementary. The first and second signals are combined to produce a combined signal in which power attributable to the first signal is interleaved with and substantially non-overlapping temporally with power attributable to the second signal. The combined signal is amplified and then transmitted. The first and second signals can be optical signals at respective first and second optical wavelengths, where the first and second signals are on-off keying (OOK) modulated. | 2013-04-04 |
20130084079 | GREAT CIRCLE SOLUTION TO POLARIZATION-BASED QUANTUM COMMUNICATION (QC) IN OPTICAL FIBER - Birefringence in optical fibers is compensated by applying polarization modulation at a receiver. Polarization modulation is applied so that a transmitted optical signal has states of polarization (SOPs) that are equally spaced on the Poincaré sphere. Fiber birefringence encountered in propagation between a transmitter and a receiver rotates the great circle on the Poincaré sphere that represents the polarization bases used for modulation. By adjusting received polarizations, polarization components of the received optical signal can be directed to corresponding detectors for decoding, regardless of the magnitude and orientation of the fiber birefringence. A transmitter can be configured to transmit in conjugate polarization bases whose SOPs can be represented as equidistant points on a great circle so that the received SOPs are mapped to equidistant points on a great circle and routed to corresponding detectors. | 2013-04-04 |
20130084080 | COHERENT OPTICAL RECEIVER AND COHERENT OPTICAL RECEIVING METHOD - A coherent optical receiver according to an exemplary aspect of the present invention includes a coherent optical receiving unit, a first waveform equalizing circuit compensating waveform distortion caused by characteristics of the coherent optical receiving unit and compensating chromatic dispersion in a predetermined range to an input signal, a second waveform equalizing circuit compensating chromatic dispersion of the input signal, and a controller monitoring a chromatic dispersion amount of the input signal and controlling a compensation coefficient regarding the chromatic dispersion compensation performed by each of the first waveform equalizing circuit and the second waveform equalizing circuit depending on the chromatic dispersion amount to be compensated. | 2013-04-04 |
20130084081 | Image Forming Apparatus Capable of Determining a Condition of Cartridge Assembled Therein - An image forming apparatus includes a main casing, a cartridge, and a CPU. The main casing includes a detection electrode. The cartridge accommodating therein toner is attachable to and detachable from the main casing, and has a cartridge electrode electrically connectable to the detection electrode, and a moving member supported to the cartridge electrode. The moving member is movable from a first position where an electrical connection between the cartridge electrode and the detection electrode is interrupted to a third position where the electrical connection is interrupted via a second position where the electrical connection is established. The CPU is configured to judge whether or not the assembled cartridge is a new cartridge. The CPU determines that the assembled cartridge is new when the electrical connection is first interrupted, and established, and then interrupted in accordance with the movement of the moving member. | 2013-04-04 |
20130084082 | Image Forming Apparatus and Cartridge Therefor - An image forming apparatus and a cartridge to be used therein. The image forming device includes a main casing, a CPU as a judgment unit, and a main electrode. The cartridge accommodating therein a toner is attachable to and detachable from the main casing, and has a moving member and a cartridge electrode electrically connectable to the main electrode. The CPU is configured to judge assembly or non-assembly of the cartridge with respect to the main casing and to judge whether or not the assembled cartridge is a new cartridge. The moving member is movable by a predetermined moving amount to permit the cartridge electrode to be movable. As a result of a movement of the main electrode in accordance with the movement of the cartridge electrode, the CPU determines that the assembled cartridge is a new cartridge. | 2013-04-04 |
20130084083 | Image Forming Apparatus and Cartridge Therefor - An image forming apparatus and a cartridge to be used therein. The image forming apparatus includes a main casing, a CPU, and a main electrode. The cartridge accommodating therein toner is attachable to and detachable from the main casing, and has a cartridge electrode electrically connectable to the main electrode, a moving member and a pressure member. The CPU is configured to judge assembly or non-assembly of the cartridge with respect to the main casing and to judge whether or not the assembled cartridge is a new cartridge. The moving member is movable by a predetermined moving amount to permit the pressure member to be movable. The cartridge electrode is movable in accordance with the movement of the pressure member. As a result of a movement of the main electrode in accordance with the movement of the cartridge electrode, the CPU determines that the assembled cartridge is a new cartridge. | 2013-04-04 |
20130084084 | Image Forming Apparatus and Cartridge Therefor - An image forming apparatus and a cartridge to be used therein. The image forming apparatus includes a main casing, a CPU as a judgment unit, and a main electrode. The cartridge accommodating therein a toner is attachable to and detachable from the main casing, and has a cartridge electrode electrically connectable to the main electrode. The CPU is configured to judge assembly or non-assembly of the cartridge with respect to the main casing and to judge whether or not the assembled cartridge is a new cartridge. The cartridge electrode is movable by a predetermined moving amount to permit the main electrode to be movable. As a result of a movement of the main electrode in accordance with the movement of the cartridge electrode, the CPU determines that the assembled cartridge is a new cartridge. | 2013-04-04 |
20130084085 | IMAGE FORMING APPARATUS AND CARTRIDGE - An image forming apparatus includes a moving member equipped with a pressed portion and a detected portion, and in which the detected portion is configured to move to a predetermined position above the pressed portion by the pressed portion being pressed by the cartridge when the cartridge is attached to the image forming apparatus main body, and a detection device configured to detect whether the cartridge is attached by detection light passing the predetermined position. | 2013-04-04 |
20130084086 | TECHNOLOGY FOR PREVENTING IMAGE DEFECTS IN IMAGE FORMING APPARATUS - A secondary transfer motor drive control unit drives a secondary transfer motor such that an intermediate transfer belt and a secondary transfer roller satisfy a follower condition. When the follower condition is satisfied, a difference in the circumferential surface speeds of the intermediate transfer belt and the secondary transfer roller can be appropriately controlled to the extent that color misregistration and image defects do not easily occur. | 2013-04-04 |
20130084087 | IMAGE PROCESSING APPARATUS, CONTROL METHOD THEREOF AND COMPUTER-READABLE MEDIUM - An image processing apparatus, which controls a fixing temperature and a fixing speed of a fixing device used to fix a formed image, and a color material amount used to form the image, the apparatus comprises: a display unit configured to display an operation panel which accepts settings associated with the fixing temperature, the fixing speed, and the color material amount for image forming processing; and a determination unit configured to determine, in a case where settings of two items out of the fixing temperature, the fixing speed, and the color material amount are accepted via the operation panel, a setting of the remaining one item. | 2013-04-04 |
20130084088 | FIXATION DEVICE AND IMAGE FORMATION APPARATUS - A fixation device includes a first roller, a second roller facing the first roller, a stretch member configured to travel to pass between the first roller and the second roller, a press member configured to press the stretch member against the first roller, a heater member configured to heat the stretch member, a movement mechanism configured to move at least one of the first roller and the second roller in such directions that the first roller and the second roller come close to each other and are spaced away from each other, and a controller configured, depending on a type of a medium, to change a contact state between the first roller and the second roller by driving the movement mechanism. | 2013-04-04 |
20130084089 | IMAGE FORMING APPARATUS AND METHOD OF SETTING EXPOSURE AMOUNT - An image forming apparatus and a method of setting an exposure amount are provided. The image forming apparatus includes a photosensitive member, an exposure device which expose the photosensitive member to form a latent image on the photosensitive member, a conveyance member which conveys a recording medium, an image forming unit which forms a plurality of density detection images corresponding to the image data and having different pixel densities on the conveyance member, a density detection unit which detects densities of the density detection images, and an exposure setting unit which compares respective detected image densities of the density detection images with reference densities corresponding to the respective density detection images, and sets an exposure amount according to a condition based on a combination of respective comparison results between the detected image densities and the reference densities. | 2013-04-04 |