Patents Issued in July 10, 2014
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Publication number: 20140193076Abstract: Methods and apparatuses for compressive sensing that enable efficient recovery of features in an input signal based on acquiring a few measurements corresponding to the input signal. One method of compressive sensing includes folding an image to generate first and second folds, and recovering a feature of the image based on the first and second folds without reconstructing the image. One example of a compressive sensing apparatus includes a lens, a focal plane array coupled to the lens and configured to generate first and second folds based on the image, and a decoder configured to receive the first and second folds and to recover a feature of the image without reconstructing the image. The feature may be a local geometric feature or a corner. Compressive sensing methods and apparatuses for determining translation and rotation between two images are also disclosed.Type: ApplicationFiled: March 13, 2013Publication date: July 10, 2014Applicant: The Charles Strak Draper Laboratory, Inc.Inventors: Brian Gardiner, Rishi Gupta, Piotr Indyk, Eric Price, Yaron Rachlin, Christopher Yu
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Publication number: 20140193077Abstract: An image retrieval apparatus generates an image feature list having a high and/or a low discrimination capability against other images based on the number of stored image features. Based on the image feature list, the image retrieval apparatus selects feature points extracted from a query image.Type: ApplicationFiled: January 6, 2014Publication date: July 10, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Hirotaka Shiiyama, Masahiro Matsushita
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Publication number: 20140193078Abstract: A method for reducing dimensionality of hyperspectral images includes receiving a hyperspectral image having a plurality of pixels. The method may further include establishing an orthonormal basis vector set comprising a plurality of mutually orthogonal normalized members. Each of the mutually orthogonal normalized members may be associated with one of the plurality of pixels of the hyperspectral image. The method may further include decomposing the hyperspectral image into a reduced dimensionality image, utilizing calculations performed while establishing said orthonormal basis vector set. A system configured to perform the method may also be provided.Type: ApplicationFiled: November 26, 2013Publication date: July 10, 2014Inventors: Ian S. Robinson, Bradley Flanders
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Publication number: 20140193079Abstract: An image correction method arranged for processing an original image to obtain a corrected image includes steps: receiving the original image from an image sensor; regarding each pixel of the original image, calculating a horizontal distance and a vertical distance between the pixel and a reference point in the original image; determining a horizontal ratio parameter and a vertical ratio parameter according to the horizontal distance and the vertical distance between the pixel and the reference point in the original image; and performing an approximately non-linear regression calculation on the horizontal ratio parameter, the vertical ratio parameter and a coordinate of the pixel to obtain a position of the pixel in the corrected image.Type: ApplicationFiled: April 8, 2013Publication date: July 10, 2014Applicant: Realtek Semiconductor Corp.Inventors: Shih-Tse Chen, Hao-Tien Chiang
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Publication number: 20140193080Abstract: The present invention discloses a method of image denoising and method of generating motion vector data structure thereof. The method comprises: providing an image sequential capturing module to capture and to receive the plurality of images; generating a global motion vector based on the plurality of images in accordance with a first algorithm; reducing each image as reduced images; dividing each of the first reduced images into a plurality of first areas and generating a first local motion vector based on each of the first areas in accordance with a second algorithm, and via the similar way for generating a second local motion vector; finally, obtaining motion vector data in the plurality of images according to the global motion vector, each of the first local motion vectors and each of the second local motion vectors.Type: ApplicationFiled: March 5, 2013Publication date: July 10, 2014Applicant: ALTEK SEMICONDUCTOR CORPORATIONInventors: CHIA-YU WU, SHIH-YUAN PENG
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Publication number: 20140193081Abstract: When encoding a set of texture data elements 30 for use in a graphics processing system, the direction along which the data values of the set of texture data elements in question exhibit the greatest variance in the colour space is estimated by using one or more infinite planes 41 to divide the texture data elements in the colour space. For each such plane, texture data element values on each side of the plane are added up to give respective sum points 48, 49, and the vector 50 between these two sum points determined. The direction in the data space of one of the determined vectors 50 is then used to derive endpoint colour values to use when encoding the set of texture data elements.Type: ApplicationFiled: July 2, 2013Publication date: July 10, 2014Applicant: ARM LIMITEDInventor: Jorn Nystad
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Publication number: 20140193082Abstract: According to one embodiment, an image processing apparatus includes following units. The selection unit selects a pixel from a target image. The first extraction unit extracts a first pixel region including the selected pixel. The second extraction unit extracts a second pixel region from a reference image. The determination unit determines a filter coefficient based on a similarity degree between the first and second pixel regions. The generation unit generates a display image by performing a weighted sum of the target image and a display image generated immediately before the target image, in accordance with the filter coefficient determined for each of the plurality of pixels of the target image.Type: ApplicationFiled: March 12, 2014Publication date: July 10, 2014Applicants: Toshiba Medical Systems Corporation, KABUSHIKI KAISHA TOSHIBAInventors: Kae OHNUKI, Hisanori KATO, Yasuhiro SUGAWARA
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Publication number: 20140193083Abstract: A method, apparatus, and computer program product are disclosed to determine the relationship of an image to a set of images. In the context of a method, information about a set of images is received. The method also receives an image from the set of images. The method determines, by a processor, information about a relationship of the image to the set of images. The method also causes storage of the image in conjunction with metadata about the image. The metadata includes the information about the relationship of the image to the set of images. The method may also repeat the above operations until a determined number of images have been stored in conjunction with respective metadata, in which case the information about the relationship of the image to the set of images includes a parameter specifying the number of images in the set of images.Type: ApplicationFiled: January 9, 2013Publication date: July 10, 2014Applicant: NOKIA CORPORATIONInventor: Bennett D. Marks
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Publication number: 20140193084Abstract: A method and apparatus for verifying that information transmitted for display has been displayed. The method utilizes a plurality of algorithms to provide real-time monitoring of digital signage and displays.Type: ApplicationFiled: January 9, 2014Publication date: July 10, 2014Applicant: Wireless Ronin Technologies, Inc.Inventors: Dinusha MAHINKANDA, Ben NIELSON
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Publication number: 20140193085Abstract: An image comparing system acquires a pixel value of each pixel in two images, and obtains two groups of relative values corresponding to the two images respectively. The two group of relative values is used for determining whether two images are the same.Type: ApplicationFiled: March 10, 2014Publication date: July 10, 2014Inventors: HOU-HSIEN LEE, CHANG-JUNG LEE, CHIH-PING LO
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Publication number: 20140193086Abstract: Provided are image processing method and apparatus. The method includes selecting one of a plurality of images matched in structure as reference image, and select another of the images as subject image; for a subject pixel in the subject image, determining a pixel corresponding to the subject pixel in the reference image; calculating similarity values of at least part of pixels in the reference image with respect to the pixel corresponding to the subject pixel; establishing weight coefficients based on the similarity values, and weighted averaging the subject pixel in the subject image to obtain a processed pixel value. With the above solutions, it is possible to use structure information of a higher-quality image in processing another image, and thus improve quality of the other image.Type: ApplicationFiled: January 2, 2014Publication date: July 10, 2014Applicants: Nuctech Company Limited, Tsinghua UniversityInventors: Li Zhang, Zhiqiang Chen, Jia Hao
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Publication number: 20140193087Abstract: Cell phones and other portable devices are equipped with a variety of technologies by which existing functionality can be improved, and new functionality can be provided. Some relate to visual search capabilities, and determining appropriate actions responsive to different image inputs. Others relate to processing of image data. Still others concern metadata generation, processing, and representation. Yet others relate to coping with fixed focus limitations of cell phone cameras, e.g., in reading digital watermark data. Still others concern user interface improvements. A great number of other features and arrangements are also detailed.Type: ApplicationFiled: December 10, 2013Publication date: July 10, 2014Applicant: DIGIMARC CORPORATIONInventor: William Y. Conwell
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Publication number: 20140193088Abstract: A smart-focusing technique includes identifying an object of interest, such as a face, in a digital image. A focus-generic classifier chain is applied that is trained to match both focused and unfocused faces and/or data from a face tracking module is accepted. Multiple focus-specific classifier chains are applied, including a first chain trained to match substantially out of focus faces, and a second chain trained to match slightly out of focus faces. Focus position is rapidly adjusted using a MEMS component.Type: ApplicationFiled: February 6, 2014Publication date: July 10, 2014Applicant: DigitalOptics Corporation Europe LimitedInventors: ADRIAN CAPATA, STEFAN PETRESCU, PETRONEL BIGIOI, PETER CORCORAN
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Publication number: 20140193089Abstract: The present disclosure relates to an image processing device and a method that can suppress decreases in encoding efficiency. An image processing device of the present disclosure includes: a transform unit that transforms the quantization parameter used in quantization of image data into parameters; and a transmission unit that transmits the parameters generated from the quantization parameter transformed by the transform unit. For example, at the time of encoding of image data, the quantization parameter of the image data is divided by 2 and is transformed into a parameter indicating the quotient and a parameter indicating the remainder, and the parameters are transmitted. The present disclosure can be applied to image processing devices.Type: ApplicationFiled: October 25, 2012Publication date: July 10, 2014Applicant: SONY CORPORATIONInventor: Kazushi Sato
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Publication number: 20140193090Abstract: Apparatus and methods reduce common-mode error. An integrated circuit includes a plurality of signal channels, a first proxy channel, and a subtraction block. The signal channels are configured to receive a plurality of input signals and to generate a plurality of output signals, and each of the signal channels has a substantially similar circuit topology. The first proxy channel has a substantially similar circuit topology as the plurality of signal channels, and includes an output that can vary in relation to a common-mode error of the signal channels. The subtraction block is configured to generate a plurality of modified output signals by using the output of the first proxy channel to reduce the common-mode error of the plurality of output signal channels.Type: ApplicationFiled: March 11, 2014Publication date: July 10, 2014Applicant: Analog Devices, Inc.Inventors: Yoshinori Kusuda, Gary Robert Carreau, Michael C. Coln
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Publication number: 20140193091Abstract: A method for correcting overfocus of a digital image created from coherent imaging using centered fractional Fourier transforms or mathematical equivalents is described. A received image is presented to a numerical processor, and a first numerical value for an imaginary power variable is selected and used in an iterative algorithm, numerical procedure, system architecture, etc. A centered discrete fractional Fourier transform of an imaginary power and a phase restore operator associated are applied to the image file to produce a modified image. A change in mis-focused is determined and used in adjusting the specified imaginary power for a next iteration.Type: ApplicationFiled: March 12, 2014Publication date: July 10, 2014Inventor: Lester F. Ludwig
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Publication number: 20140193092Abstract: Superresolution image processing that can be applied when two image frames of the same scene are available so that image information from one frame can be used to enhance the image from the other frame. The superresolution image processing uses a sparse matrix generated based on a Markov random field defined over these two image frames. The sparse matrix is inverted and applied to the image data from the image frame that is being enhanced to generate a corresponding enhanced image.Type: ApplicationFiled: July 25, 2013Publication date: July 10, 2014Applicant: LSI CORPORATIONInventors: Alexander Alexandrovich Petyushko, Dmitry Nikolaevich Babin, Ivan Leonidovich Mazurenko, Alexander Borisovich Kholodenko
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Publication number: 20140193093Abstract: The present disclosure relates to image filtering techniques for enhancing image quality. In one embodiment, two filtering techniques are applied on an image. Firstly, an adaptive weighted median filtering operation is performed on an acquired low contrast image corrupted by impulsive noise. Subsequently, a guided image filtering on the image obtained from adaptive weighted median filtering operation to de-blur and enhance the contrast that ultimately assures to preserve the edges of the images. In addition, the image filtering for enhancing image quality is enhanced by several variations of data adaptive guided image filtering and adaptive window sizes for guided image filtering techniques.Type: ApplicationFiled: September 11, 2012Publication date: July 10, 2014Applicant: FORUS HEALTH PVT. LTD.Inventors: Shyam Vasudeva Rao, Chandrasekhar Kuppuswamy, Mahabaleswara Ram Bhatt, Sriram Padmanabhan
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Publication number: 20140193094Abstract: Aspects of an edge smoothing block filter and combinations of the filter with a motion compensated temporal filter are described. In one embodiment, edge smoothing block filtering includes selecting a current pixel to be filtered and selecting a candidate pixel within a search area about the current pixel. The edge smoothing block filtering generally seeks to identify candidate pixels having surrounding pixels similar to pixels surrounding the current pixel. The edge smoothing block filtering further computes a cost difference between pixels within a candidate pixel neighborhood and pixels within a current pixel neighborhood, and filters the current pixel based on the cost difference. Aspects of the filters and filter element combinations may preserve edges and textures adaptively based on image content. For example, diagonal or curved image edges may be filtered along edges while texture is preserved along the edges.Type: ApplicationFiled: February 7, 2013Publication date: July 10, 2014Applicant: BROADCOM CORPORATIONInventors: Jaewon Shin, Brian Schoner
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Publication number: 20140193095Abstract: Image correcting methods and apparatuses for removing speckles from an image are provided. The image correcting method includes selecting a first region in an image; removing a speckle from a second region except for the first region from the image by using image information at a predetermined frequency band in the image; and increasing a contrast level of the first region.Type: ApplicationFiled: January 2, 2014Publication date: July 10, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won-hee CHOE, Jae-guyn LIM, Seong-deok LEE
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Publication number: 20140193096Abstract: An apparatus and method to detect a line segment or arc using Hough transform. A Hough transform unit performs contour extraction on brightness image data to generate contour image data, with pixels having a pixel value of 0 to 255, performs the Hough transform on points in the contour image data, and counts additional values represented by pixel values of points in the contour image data in a Hough table. The Hough transform unit performs contour extraction on first to third component data to generate first to third contour data with pixels having a pixel value of 0 to 255, performs the Hough transform on points in the first to third contour data, and counts additional values represented by pixel values of points in the first to third contour data in the Hough table. The detection unit comprehensively evaluates the counts to detect a line segment or arc.Type: ApplicationFiled: July 20, 2012Publication date: July 10, 2014Applicant: MegaChips CorporationInventor: Hiromu Hasegawa
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Publication number: 20140193097Abstract: A method and apparatus may include aligning a reference image and an input image through ROI-based image alignment; detecting an ROI associated with an incompletely aligned region in the aligned image; and blending the aligned reference image and input image by using a plurality of weights which are attenuated according to a spatial distance from a boundary of the detected ROI. In addition, the method and apparatus may include aligning a reference image and an input image through image alignment based on an nth region of interest (ROI) which is detected at a previous stage; detecting another ROI associated with an incompletely aligned region in the aligned image; and blending the aligned image in the other ROI and an (n+1)th blended image, which is input from a next stage, in a region outside the other ROI, and outputting the last blended image to the previous stage.Type: ApplicationFiled: March 10, 2014Publication date: July 10, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-Chan PARK, Hyun-Hwa OH, Jae-Hyun KWON, Seong-Deok LEE, Won-Hee CHOE
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Publication number: 20140193098Abstract: An image processing method for image alignment, includes sequentially receiving a plurality of images; generating at least one threshold corresponding to each image according to a plurality of intensities of each image of the plurality of images; converting each image according to the thresholds of each image, for generating a plurality of binary images; acquiring a plurality of characteristic pixels of each binary image according to the plurality of binary images; and aligning the plurality of images according to the plurality of characteristic pixels of each binary image.Type: ApplicationFiled: June 17, 2013Publication date: July 10, 2014Inventors: Pin-Ching Su, Hwann-Tzong Chen, Ming-Feng Chiang
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Publication number: 20140193099Abstract: Provided is an image diagnostic device with which it is possible to correct location misalignment of an image capture subject, and to improve the reliability of the result of the correction, in time series image data.Type: ApplicationFiled: July 24, 2012Publication date: July 10, 2014Applicant: HITACHI MEDICAL CORPORATIONInventors: Hideki Yoshikawa, Takashi Azuma
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Publication number: 20140193100Abstract: A filling system and filling device for introducing items for delivery into a delivery bag. The filling device has a stacking mechanism that stacks the items for delivery in the delivery bag. The items for delivery include one or more flat articles, and can include an enclosure unit that is flat, at least partially open on at least one side, and at least partially closed on at least one side, such that the enclosure unit forms an envelope or a pocket. The item for delivery and/or the enclosure unit can have a receiver identification.Type: ApplicationFiled: August 16, 2012Publication date: July 10, 2014Applicant: FERAG AGInventor: Sergio Sigrist
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Publication number: 20140193101Abstract: A remotely openable containment system employs a bag which receives contents such as grounding cement and employs a closure member which is secured by a bale. The closure member is attached to one end of the bag adjacent an opening. End portions of the bag are wound around the closure member and secured by the bale. The bale may include a pair of laterally spaced pins which are received in spaced bores of the closure member. At the installation site, the bag is lowered by a line into a hole. At the bottom of the hole, a line on the bale is pulled to release the bale and to permit the contents to discharge through the opening in the bag. Both the bag and the bale are removable from the hole by the attached lines.Type: ApplicationFiled: September 20, 2013Publication date: July 10, 2014Inventor: Paul A. Orlowski
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Publication number: 20140193102Abstract: A storage bag device is provided to facilitate improved opening of a re-sealable storage bag. The device comprises a uni-body bag container having a set of ring tabs attached thereto, and a sealing means disposed on opposing inner surfaces of said bag container. The bag container may be any resilient and reusable bag with a single opening at the top, defined by the bag container's upper edges. Ring tabs extending from the center of said upper edges are designed to receive at least one of a user's fingers. To open the bag, a user pulls the ring tabs outward in opposing directions, thereby causing the sealing means to disengage and open the bag. The sealing means may then be firmly pressed together to close the container and create an air and moisture tight seal.Type: ApplicationFiled: February 18, 2014Publication date: July 10, 2014Inventors: Angela Weir, Jim Weir
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Publication number: 20140193103Abstract: A drawstring bag with lockable strap using a combination lockable buckle and an internal compartment that is provided with a combination lockable zipper. This bag incorporates a desirably designed bag with the safety of a built-in combination lockable strap and buckle which allows the user to secure it to another object. Additionally, the internal compartment is accessed via a combination lockable zipper. Both locks have built in, easy to remember, codes.Type: ApplicationFiled: January 7, 2014Publication date: July 10, 2014Applicant: Des-La CorporationInventor: Anthony DeSanti
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Publication number: 20140193104Abstract: A frilled panel, with frills extending from the top and/or bottom edges, that is attached to a panel of a bag as decoration. A cutter is used to produce cuts that form the frills.Type: ApplicationFiled: December 3, 2013Publication date: July 10, 2014Inventors: Linda B. Middlemas, Amanda Morgan Middlemas
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Publication number: 20140193105Abstract: A package has a flexible top wall (3) joined in its periphery (6) to flexible side walls (4, 5) to form an enclosure, the top wall (3) being formed with a line of weakness (7) which is adapted to be torn to create an opening, the tear being confined between the peripheral join (6), The side walls (4, 5) may have transverse seals (1, 2), and top and bottom walls (3) folded inwards as gussets, and the line of weakness (7) with a thumb on each side of the line of weakness (7) with a thumb on each side to press downwards and create a tear along the line of weakness. Preferably, the upper edges of the side walls (4, 5) are sealed to the adjoining edges of the top wall (3) to form a peripheral upstanding rim (6).Type: ApplicationFiled: November 27, 2013Publication date: July 10, 2014Inventors: Michael Kenneth John Adams, John Fairweather
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Publication number: 20140193106Abstract: An asymmetric split bearing with a geometrically contoured work surface is provided that has an upper segment and lower segment and a plurality of spaced, recesses in the sidewall of the bearing segment, which are joined together by means of bearing surfaces or lands. The asymmetric split bearing allows for a greater range of applications, such as reciprocating engine crankshafts, which require split bearings for support. The number of bearing surfaces on each segment can be optimized for load conditions and to minimize friction. The bearing utilizes powdered metal manufacturing and is self-cleaning.Type: ApplicationFiled: January 7, 2014Publication date: July 10, 2014Inventor: Michael F. Pyszczek
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Publication number: 20140193107Abstract: A bearing unit having an axis of rotation and provided with a stationary ring and a rotatable ring arranged coaxially with respect to one another, a magnetic encoder fixed onto the inner ring and extending in front of an annular surface of the stationary ring; and a protective cover mounted on the external ring to protect the encoder and close off a space defined between the two rings; an annular channel being formed in the stationary ring and sealing means being arranged between the side wall and the axial lug within the annular channel so as to seal the cover and prevent the infiltration of impurities between the cover and the axial lug.Type: ApplicationFiled: January 8, 2014Publication date: July 10, 2014Applicant: Aktiebolaget SKFInventors: Paolo Baratti, Andrea Serafini
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Publication number: 20140193108Abstract: A bearing unit for a vehicle wheel is provided having an axis of rotation and a radially outer stationary ring including a tubular axial lug delimited by an outer cylindrical surface, and with a flange transverse to the axis of rotation and axially delimited. A radially inner rotatable ring defines, with the ring, a space. An encoder is fixed to the inner ring and extends outside of the space and in front of the axial lug. A protective cover mounted on the axial lug to protect the encoder and close off the space. The stationary ring includes a shaped annular channel formed across the axial surface and delimited axially by a bottom surface and the side wall with a bent edge arranged axially in abutment against the bottom surface of the annular channel. Sealing means are arranged between the bent edge and the bottom surface to seal the annular channel.Type: ApplicationFiled: January 8, 2014Publication date: July 10, 2014Applicant: Aktiebolaget SKFInventors: Paolo Baratti, Andrea Serafini
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Publication number: 20140193109Abstract: A bearing unit for a vehicle wheel having a radially outer stationary ring provided with an axial lug, with a flange transverse to an axis of rotation and with an annular channel formed between the axial lug and the flange and delimited axially by a bottom surface. A radially inner rotatable ring defining, together with the stationary ring, a space; an encoder fixed onto the inner ring and extending outside of the space and in front of the axial lug; a protective cover mounted on the axial lug to protect the encoder and close off the space and provided with a side wall mounted on the outer cylindrical surface and having a bent edge arranged axially in abutment against the bottom surface of the annular channel; sealing means disposed between the cylindrical side wall and the tubular axial lug to seal the cylindrical side wall on the outer cylindrical surface.Type: ApplicationFiled: January 8, 2014Publication date: July 10, 2014Applicant: Aktiebolaget SKFInventors: Paolo Baratti, Andrea Serafini
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Publication number: 20140193110Abstract: There is provided a grease composition decreasing the load sensitivity to a running torque, maintaining necessary performances for a wheel supporting rolling bearing unit, and maintaining a good lubricated condition for a long time, and, a wheel supporting rolling bearing unit having the grease composition packed therein. The grease composition contains base oil, thickeners, rust inhibitors, and anti-wear agents, the base oil contains mineral oil, synthetic oil or blend oil of the mineral oil and the synthetic oil, a mix ratio (mass ratio) of the mineral oil and the synthetic oil is 0:100 to 20:80, a kinematic viscosity of the base oil at a temperature of 40° C. is 70 to 150 mm2/s, and a pour point of the base oil is equal to or lower than ?40° C. The wheel supporting rolling bearing unit is packed with this grease composition.Type: ApplicationFiled: September 18, 2012Publication date: July 10, 2014Inventors: Kazuhiro Soga, Takayuki Miyagawa, Noriyuki Inami
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Publication number: 20140193111Abstract: A cage 11 for holding a plurality of rolling elements 20 incorporated between an inner ring and an outer ring by a plurality of pockets with their centers arranged at regular intervals in the revolving direction of the rolling elements 20 includes at least one drive pocket 14 having a smaller clearance 22 in the revolving direction of the cage 11 and rolling elements 20 than the clearances of the remaining non-drive pockets 15 in the cage 11. Thus, drive power to be applied to the cage 11 can be always maintained constant and the swinging motion of the cage 11 during revolution can be prevented, thereby being able to reduce cage sounds.Type: ApplicationFiled: November 29, 2012Publication date: July 10, 2014Inventors: Kenta Kenmochi, Atsushi Minakami, Yoshiaki Katsuno
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Publication number: 20140193112Abstract: A method of manufacturing a roller cage for mounting rollers around a circle in a bearing includes a) making a roller cage blank of cylindrical form, b) cutting the cage blank on opposite diagonal sides to form two generally semi-cylindrical halves, c) re-assembling the two semi-cylindrical halves of the cage blank by releasably clamping adjacent cut edges of each semi-cylindrical half together, and d) either before or after the cutting step, forming pockets for mounting a set of rollers in the cage on a circle about the axis of the reassembled cage. The last step d) allows one to provide pockets which mount the rollers in the correct position relative to the axis of the bearing even though the two semi-cylindrical halves when re-assembled no longer form a circle.Type: ApplicationFiled: March 6, 2012Publication date: July 10, 2014Applicant: COOPER ROLLER BEARINGS CO., LTD.Inventor: Martin Janek Caspall
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Publication number: 20140193113Abstract: An optical semiconductor element includes a ring modulator, and a light absorbing material provided at a position apart from a path for a modulated light which is guided by the ring modulator, the light absorbing material absorbing a light leaked out of a ring waveguide of the ring modulator, and increasing a temperature of the ring waveguide.Type: ApplicationFiled: March 12, 2014Publication date: July 10, 2014Applicant: FUJITSU LIMITEDInventor: Tomoyuki Akiyama
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Publication number: 20140193114Abstract: Provided is an optical module capable of inhibiting both the displacement of an optical axis caused by thermal changes and property degradation in an optical functional circuit. The optical module includes: a planar lightwave circuit including a waveguide-type optical functional circuit and a waveguide region where only an optical waveguide is formed in contact with a side, wherein an emission end face where output light is emitted from the optical functional circuit, or an entrance end face where input light is entered to the optical functional circuit is formed in contact with the side; a fixing mount employed to hold the planar lightwave circuit only in the portion where the waveguide area is located; and an auxiliary mount employed to hold the planar lightwave circuit in contact with a side that is opposite the side where the emission end face or the entrance end face.Type: ApplicationFiled: January 7, 2014Publication date: July 10, 2014Inventors: Naoki Ooba, Hiroshi Tomita, Kenji Kobayashi, Yuko Kawajiri, Kenya Suzuki
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Publication number: 20140193115Abstract: An optical coupler has a waveguide coupled to a grating of multiple scattering units, each scattering unit having a first scattering element formed of a shape in a polysilicon gate layer and a second scattering element formed of a shape in a body silicon layer of a metal-oxide-semiconductor (MOS) integrated circuit (IC). The couplers may be used in a system having a coupler on each of a first and second IC, infrared light being formed into a beam passing between the couplers. Vias may be interposed in third ICs between the first and second ICs. The couplers may be configured with nonuniform width of scattering elements to produce Gaussian or focused beams.Type: ApplicationFiled: January 10, 2014Publication date: July 10, 2014Applicant: The Regents of the University of Colorado, a body corporateInventor: Milos Popovic
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Publication number: 20140193116Abstract: The disclosure generally relates to sets of optical waveguides such as optical fiber ribbons, and fiber optic connectors useful for connecting multiple optical fibers. In particular, the disclosure provides an efficient, compact, and reliable optical fiber connector that incorporates a unitary substrate comprising a plurality of staggered light redirecting features on an input surface there of directing incoming light from optical fibres through the substrate towards optical elements to be coupled with.Type: ApplicationFiled: September 13, 2012Publication date: July 10, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: James R. Bylander, Ding Wang
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Publication number: 20140193117Abstract: An antiviral optical tap system for a fiber optic circuit that uses an Optical Circulator or an Isolator or any other unidirectional optical device that is connected to the secondary optical tap output of an optical tap that prevents unwanted optical signals or optical noise from entering a fiber optic circuit through the secondary optical tap output and allows optical signals to pass to an external device through the Optical Circulator or Isolator or any other unidirectional device.Type: ApplicationFiled: January 9, 2013Publication date: July 10, 2014Inventor: Anthony Peter Polus
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Publication number: 20140193118Abstract: An optical mover with functions of nanometer fine adjustment and micrometer coarse adjustment is mainly used to align two optical elements for connecting two optical elements, such as connection of two optical fibers, connection of one optical fiber with a photo diode, or connection of one optical fiber and one optical waveguide. In using, one optical element is placed upon the supporting seat for fine position adjustment, and another optical element is fixed on an external retainer for aligning to the former optical element on the supporting seat. A coarse control button is firstly used to coarsely adjust the position of the former optical element to approximately align to the later optical element. Then a fine-adjusting button is used to fine adjust the position therebetween so as to well align the two optical elements to a desire level for further operation, such as connecting the two elements.Type: ApplicationFiled: January 9, 2013Publication date: July 10, 2014Inventor: Sie-Poon Chang
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Publication number: 20140193119Abstract: Fiber optic connector assemblies and method for assembling the same are disclosed. In one embodiment, a fiber optic connector assembly includes an optical fiber having an inner glass region, a polymer layer surrounding the inner glass region, and a windowed portion, wherein the inner glass region is exposed at the windowed portion. The fiber optic connector assembly further includes a connector body having a demarcation region at a first end, wherein the optical fiber is disposed within the connector body such that at least a portion of the windowed portion is positioned in the demarcation region, and the optical fiber is adhered to the connector body at the windowed portion. In another embodiment, the demarcation region includes an opening in the outer jacket that exposes the at least a portion of the windowed portion of the plurality of optical fibers and the optical fibers are adhered to a portion of the cable.Type: ApplicationFiled: January 9, 2013Publication date: July 10, 2014Inventors: Micah Colen Isenhour, Dennis Michael Knecht, James Phillip Luther, Reginald Roberts
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Publication number: 20140193120Abstract: An optical fiber assembly includes a ferrule body with a plurality of optical fibers positioned therein. The assembly may include a beam expanding element adjacent the front face of the ferrule body with a lens array aligned with the optical fibers. A resilient latch is integrally formed with the beam expanding element or the ferrule body.Type: ApplicationFiled: June 14, 2012Publication date: July 10, 2014Applicant: Molex IncorporatedInventors: Malcolm H. Hodge, Wenzong Chen, Dean Richardson, Scot A. Ennst, Thomas D. Chiltz, Thomas R. Marrapose
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Publication number: 20140193121Abstract: A device including a port barrel, a ball spring, a first enclosure part, and a mounting plate disposed adjacent to the first enclosure part is disclosed. The mounting plate includes a mounting hole. The port barrel is arranged to extend through the mounting hole, and the ball spring is arranged between an inner surface of the mounting hole and an exterior surface of the port barrel.Type: ApplicationFiled: January 4, 2013Publication date: July 10, 2014Applicant: CISCO TECHNOLOGY, INC.Inventor: Cisco Technology, Inc.
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Publication number: 20140193122Abstract: A cable assembly comprises: an insulative housing; a plurality of contacts received into the insulative housing; a printed circuit board located behind the insulative housing and electrically connected with the plurality of contacts; a metallic shell enclosing the insulative housing and the printed circuit board; an insulative shell enclosing a rear portion of the metallic shell; and a cable having a plurality of optical fibers coupled to a top surface of the printed circuit board and a plurality of copper wires electrically connected to a bottom surface of the printed circuit board.Type: ApplicationFiled: January 6, 2014Publication date: July 10, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: JERRY WU, CHIEN-CHIUNG WANG, QING-MAN ZHU, RU-YANG GUO, PENG ZHAI
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Publication number: 20140193123Abstract: An interposer comprising: (a) a planar substrate having top and bottom surfaces, said bottom surface defining at least one ferrule alignment structure, and one or more fiber bores extending from said bottom surface to said top surface, each fiber bore being in a certain position relative to said ferrule alignment structure and adapted to receive a fiber; (b) one or more lenses on or near said top surface, each lens aligned with one of said fiber bores; (c) at least one ferrule having an end face and comprising one or more fibers protruding from said end face, and at least one alignment feature cooperating with said ferrule alignment structure to position said ferrule precisely on said bottom surface such that said fibers are disposed in said fiber bores and are optically coupled with said lenses; and (d) at least one optical component having one or more optical interfaces and being mounted on said top surface such that each of said optical interfaces is aligned with one of said fiber bores and is optically coType: ApplicationFiled: March 14, 2013Publication date: July 10, 2014Applicant: Tyco Electronics CorporationInventor: Tyco Electronics Corporation
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Publication number: 20140193124Abstract: The disclosure generally relates to sets of optical waveguides such as optical fiber ribbons, and fiber optic connectors useful for connecting multiple optical fibers to other optical fibres or optical devices. In particular, the disclosure provides an efficient, compact and reliable optical fiber connector (100) that incorporates an optically transmissive substrate (120) receiving the optical fibers (132) in V-grooves on a first major surface thereof with their angle cleaved ends (126) arranged in a staggered arrangement so as to redirect light to an associated microlens (128) at the opposite surface of the transparent substrate (120).Type: ApplicationFiled: September 12, 2012Publication date: July 10, 2014Applicant: 3M INNOVATIVE PROPERITEIS COMPANYInventors: James R. Bylander, Ding Wang
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Publication number: 20140193125Abstract: A hermetically sealed media converter apparatus configured to operate in harsh high-pressure differential environments, such as deep marine environments, and oil and gas. A hermetically sealed media converter apparatus is provided having a vessel forming an inner chamber that is hermitically sealed from surrounding ambient environment outside the vessel. Media conversion circuitry is contained within the inner chamber. At least one hermetic electrical feedthrough is mounted on the vessel enabling a transmit wire and a receive wire to pass therethrough and connect to the media conversion circuitry, while maintaining the hermetic seal of the inner chamber of the vessel from the surrounding ambient environment. Similarly, a hermetic optical feedthrough also is mounted on the vessel enabling an optical fiber to pass therethrough and connect to the media conversion circuitry, while maintaining the hermetic seal of the inner chamber of the vessel from the surrounding ambient environment.Type: ApplicationFiled: March 11, 2014Publication date: July 10, 2014Applicant: Advanced Fiber Products, LLCInventors: Richard C. E. Durrant, Igor G. Stouklov, Mark C. Benton