| Document | Document Title |
|---|---|
| US08737907B2 |
Image forming apparatus
An image forming apparatus which prevents evaporation of moisture applied to a sheet by virtue of an aqueous solution containing a deliquescent material, and maintains a state in which curling or wavelike distortions are reduced. The structure of the image forming apparatus is characterized by including an image forming parts that forms toner images on paper sheets, and a fixing device which thermally fixes a toner image onto a sheet, and an aqueous solution applying portion which applies an aqueous solution to the sheet, the aqueous solution applying portion applies the aqueous solution containing a deliquescent material which prevents moisture evaporation to a sheet having a toner image thermally fixed thereonto by a fixing device. |
| US08737906B2 |
Substrate media height measurement system and method
A system and method for determining substrate media height including a media transport having a transport surface for carrying thereon substrate media along a media path in a process direction past a print zone. A media height detector is disposed upstream of the print zone. The height detector includes an elongate member disposed above the transport surface and extending across the transport surface in a cross-process direction. The elongate member is slanted with respect to the transport surface with a distance between the elongate member and the transport surface decreasing as the detector extends in the process direction. The height detector includes a deflection sensor operably connected to the elongate member. The deflection sensor senses deflection of the elongate member. |
| US08737905B2 |
Image forming apparatus and driver
An image forming apparatus and a driver for the image forming apparatus are provided. The image forming apparatus includes: a first communication section configured to receive print data; a printing section configured to perform a duplex printing including printing N sheets on first sides thereof and subsequently printing M sheets on second sides thereof, wherein M is equal to or smaller than N; a setting section configured to set the value of N; and a control section configured to control the printing section to perform the duplex printing in accordance with the value of N set by the setting section. The value of N may be set based on a communication speed of the print data when acquired by the acquisition section. |
| US08737904B2 |
Delivery apparatus
There is described a delivery member for use in an image forming apparatus. The delivery member includes a cylindrical support member and an outer layer. The outer layer comprises an outer surface. The outer surface comprises a first surface section and a second surface section. The first surface section comprises an elastomeric matrix having a functional material dispersed therein and the second surface section comprises a cleaning material. |
| US08737903B2 |
Method and apparatus for forming image
A method and apparatus for forming an image determine if printing paper is properly picked up, and printing data is transferred to an intermediate transfer belt (ITB). When it is sensed that the printing paper is not properly picked up, picking up the printing paper is retried considering a revolution cycle of the ITB. Thus, the frequency of errors can be decreased, and a user's convenience can be increased because picking up the printing paper is automatically retried whenever mis-pick up occurs instead of displaying an error. Further, wasting of toner is decreased. |
| US08737900B2 |
Cleaning member
A cleaning member, for use in an image forming apparatus in which a developer image formed on an image bearing member is to be transferred onto a developer image receiving member to form an image, for removing a developer remaining on the image bearing member after the transfer includes an elastic blade portion, having flexibility, for removing the developer remaining on the image bearing member in contact with the image bearing member in a bent state; and a supporting portion for supporting the elastic blade portion. The elastic blade portion includes, in a cross section perpendicular to a longitudinal direction of the elastic blade at a position in which the developer image is to be formed with respect to the longitudinal direction, a contact portion contacted to the image bearing member when the cleaning member is used in the image forming apparatus, a first connecting portion for connecting the contact portion and a portion of the supporting portion close to the image bearing member, and a second connecting portion for connecting the contact portion and a portion of the supporting portion remote from the image bearing member. The supporting portion, the contact portion, the first connecting portion and the second connecting portion define a hollow area. |
| US08737894B2 |
Fixing device having flexible fusing member
A fixing device includes a tubular flexible metallic fusing member, a heater, a nip member, and a backup member. The fusing member has an inner peripheral surface defining an internal space. The heater is disposed in the internal space. The nip member is disposed in the internal space for receiving radiant heat from the heater and has a contact surface in sliding contact with the inner peripheral surface. At least the contact surface is provided with a protection layer having a hardness higher than that of the inner peripheral surface. The backup member nips the fusing member in cooperation with the nip member. |
| US08737889B2 |
Developing device and image forming apparatus
A developing device and an image forming apparatus including the developing device are provided. The developing device includes a housing, a developer carrier which is rotatably supported by the housing, and which carries developer on a circumferential surface thereof, a layer thickness regulating member which includes, a blade contacting the circumferential surface of the developer carrier along a rotational axial direction of the developer carrier, and a support member supporting the blade, the layer thickness regulating member for regulating a layer thickness of the developer on the circumferential surface of the developer carrier. The support member includes: a contact part which contacts the blade; and a pair of attachment parts which are attached to the housing. The attachment parts are provide at both sides of the contact part in the rotational axial direction and are further protruded than the contact part in a direction away from the developer carrier. |
| US08737883B2 |
Charging device and image forming apparatus
A charging device includes a charging member that is rotatably provided in contact with a surface of a charge member, and that charges the surface of the charge member with contactors thereof. The contactors contact the surface of the charging member at charging areas. Directions of inclinations of the contactors differ in accordance with the charging areas. |
| US08737878B2 |
Image forming apparatus including removable fixing device
An image forming apparatus includes a fixing device, a temperature detector, and a support member. The fixing device is removably installable in the image forming apparatus and includes a rotary fixing member to fuse a toner image on a recording medium, a fixing frame to support the fixing member, and an outer fixing cover provided to cover the fixing member and the fixing frame and having an opening from which a portion of a surface of the fixing member is exposed to the outside. The temperature detector is disposed opposing the fixing member to detect a temperature of the surface of the fixing member without contacting the fixing member when the fixing member is installed in the image forming apparatus. The support member supports the temperature detector to introduce the temperature detector into the inside of the fixing cover through the opening upon installation of the fixing member. |
| US08737876B2 |
Developing unit having guide that stably supports toner cartridge
A developing device includes a developer cartridge and a developing unit. The developing unit includes a first guide and a second guide. The second is movable with respect to the developing frame between a first position where the second guide is in continuous with the first guide and a second position where a continuous state of the second guide with the first guide is interrupted. The developer cartridge includes a developer frame that accommodates a developer and a first guided member movable with respect to the developer frame. The first guide and the second guide at the first position guide the first guided member in the course of attaching the developer cartridge to the developing unit. When an attachment of the developer cartridge to the developing unit completes, the first guide receives the first guided member, and the second guide is at the second position. |
| US08737870B2 |
Image-forming apparatus
An image-forming apparatus includes: a process cartridge including a photosensitive drum having a photosensitive surface and a rotational axis; an exposing unit having a first end, a second end opposing the first end, and an exposing surface formed on the first end and oriented in a predetermined direction; and a supporting member on which the process cartridge is mountable from a side of the second end. The supporting member has a pivotal supporting portion configured to pivotably movably support the process cartridge between an exposing position where the photosensitive surface of the photosensitive drum faces the exposing surface and a retracted position where the photosensitive surface of the photosensitive drum is offset from the exposing surface, the exposing surface being configured to expose the photosensitive surface of the photosensitive drum to form an electrostatic latent image when the process cartridge is positioned at the exposing position. |
| US08737865B2 |
Image forming apparatus
An image forming apparatus includes a contact member supplied with voltage by a voltage application device, to contact an object; a rotary member rotatable about a rotation fulcrum shaft fixed to an image forming apparatus, to support the contact member; an biasing member to urge the rotary member to press the contact member against the object; a rotary conductive member fixed to the rotary member and connected electrically to the contact member; a main body side conductive member fixed to the rotation fulcrum shaft at the main body side and connected electrically to the voltage application device; and a conductive connector provided along the rotation fulcrum shaft to contact the rotary conductive member in an axial direction to connect electrically the main body side conductive member and the rotary conductive member. A contact of the conductive connector and a contact of the rotary conductive member are unfixed. |
| US08737862B2 |
Operating a selectively interconnected modular printing system
A method for operating a selectively interconnected modular printing system is disclosed. The method includes providing a selectively interconnected modular printing system that is responsive to an operational preference setting and associated configuration information for each module; communicating the associated configuration information for the selectively interconnected modules to a system controller; and using the system controller to automatically determine operational parameters based on the associated configuration information. The method further includes determining a set of operational preferences from the operational parameters; selecting at least one operational preference setting; using the system controller to determine specific operational parameters based on the selected operational preference setting; and storing the specific operational parameters so that the modular printing system is effective for operation. |
| US08737856B2 |
Image forming apparatus with control for test printing, and related image forming method and a computer-readable medium having computer-executable instructions
An image forming apparatus includes an image forming part to form an image with one of a color unerasable developer and a color erasable developer, and a control part to automatically select the color erasable developer when test printing is selected. |
| US08737855B2 |
Image forming apparatus and density unevenness detection method
A plurality of test patches each including a dark and light image which has density unevenness of a predetermined period in which the plurality of test patches are differentiated in phase difference relative to a phase of density unevenness induced by rotational unevenness occurring at a predetermined period in the motor for driving a photosensitive drum is formed. Then, density information of the plurality of test patches with is detected by a density sensor 41, and the phase of the density unevenness is obtained based on detection results (density information) of the plurality of test patches as well as based on a phase difference corresponding to a test patch whose density unevenness is a predetermined value in amplitude. |
| US08737847B2 |
Method and apparatus of using joint timing recovery for a coherent optical system
An apparatus and method for performing joint equalization and timing recovery in coherent optical systems. The method includes equalizing signals to generate compensated polarization signals, wherein timing error in a distorted optical signal is calculated based on one of the compensated polarization signals. The method further includes performing resampling polarization signals to correct timing offset in an optical signal based on the calculated timing error. The calculated timing error may also be used to adaptively control one or more operating parameters of an external device. |
| US08737844B2 |
Method and apparatus for implementing PDM-BPSK modulation and QPSK modulation in compatible manner
A method for implementing Polarization Division Multiplexing Binary Phase Shift Keying (PDM-BPSK) modulation and Quadrature Phase Shift Keying (QPSK) modulation in a compatible manner includes: dividing a direct current (DC) light into a first channel of light and a second channel of light with the same power; separately performing optoelectrical modulation on the first channel of light and the second channel of light and correspondingly outputting a first optical signal and a second optical signal in a Binary Phase Shift Keying (BPSK) format; performing polarization state control on the first optical signal; performing a phase shift on the first optical signal or the second optical signal; and performing optical signal combination with the polarization state preserved on the first optical signal and the second optical signal after the polarization state control and the phase shift, and outputting a PDM-BPSK modulation optical signal or a QPSK modulation optical signal. |
| US08737843B2 |
Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation
An optical homodyne communication system and method in which a side carrier is transmitted along with data bands in an optical data signal, and upon reception, the side carrier is boosted, shifted to the center of the data bands, and its polarization state is matched to the polarization state of the respective data bands to compensate for polarization mode dispersion during transmission. By shifting a boosted side carrier to the center of the data bands, and by simultaneously compensating for the effects of polarization mode dispersion, the provided system and method simulate the advantages of homodyne reception using a local oscillator. The deleterious effects of chromatic dispersion on the data signals within the data bands are also compensated for by applying a corrective function to the data signals which precisely counteracts the effects of chromatic dispersion. |
| US08737834B2 |
Method and system for optical performance monitoring in ethernet passive optical networks
One embodiment provides a system that tests optical performance in an Ethernet passive optical network (EPON), which includes an optical line terminal (OLT) and at least one optical network unit (ONU). The system configures an ONU with a circular queue that contains test frames for testing optical performance. The OLT then notifies the ONU to transmit test frames at a specified data rate for a specified duration. After receiving test frames at the OLT, the system measures frame loss and/or bit error rate based on the received test frames. |
| US08737833B2 |
Communication line switching method, communication apparatus, station-side communication apparatus, communication system, and control unit
In a communication line switching method for an optical communications system in which a station-side line terminal apparatus and user-side line terminal apparatuses are connected via a plurality of redundant physical lines, the discovery of the station-side optical line terminal registering the user-side line terminal apparatuses, wherein the registered user-side line terminal apparatuses monitoring a time stamp drift error that is generated when a difference between a time stamp included in a received signal and a local time measured by the own apparatus is larger than a value set in advance and, when the time stamp drift error occurs, shifting to a deregistered state and waiting for registration by the discovery. The station-side line terminal apparatus switches a physical line from a working physical line to a backup physical line of the physical lines. The user-side line terminal apparatus shifting to a holdover state for suppressing a shift to the deregistered state due to occurrence of the time stamp drift error during monitoring in a holdover period set in advance even if line abnormality is detected. |
| US08737829B2 |
Correction optical device
A correction optical device includes a rotating member that is disposed between a fixed member and a movable member that supports a compensation lens. By controlling rotation of the rotating member using the movable member, the movable member is locked and unlocked. |
| US08737828B1 |
Portable photo booth
A portable photo booth is disclosed which emphasizes reduced size and increased portability by utilizing a two-piece case which can be quickly assembled and disassembled. When assembled, the case will expose a camera and touch screen for taking photos in series, which can then be printed using a photo printer. When disassembled, the case will provide a very secure and robust environment, protecting the internal components from the elements. |
| US08737825B2 |
Video format for digital video recorder
Some embodiments provide a video recording device for capturing a video clip. The video recording device receives a selection of a non-temporally compressed encoding scheme from several different encoding schemes for encoding the video clip. The different encoding schemes include at least one temporally compressed encoding scheme and at least the selected non-temporally compressed encoding scheme. The video recording device captures the video clip as several frames. The video recording device non-temporally encodes each of the frames as several slices. The slices of a particular frame are for decoding by several processing units of a video decoding device. The video recording device stores the video clip in a storage. |
| US08737819B2 |
Electronic device and media contents reproducing method thereof
The present disclosure relates to an electronic device and a media contents reproducing method thereof. An electronic device according to an embodiment of the present disclosure may include a reproducing unit configured to reproduce media contents; and a controller configured to generate a control signal in response to an adjustment command for a reproduction speed of the media contents. The reproducing unit may include an audio parser configured to parse an audio stream of the media contents to detect its sampling rate; and an audio decoder configured to change an inverse sampling rate corresponding to the detected sampling rate according to the control signal, and decode the audio stream based on the changed inverse sampling rate. |
| US08737814B2 |
Moving image editing apparatus and moving image editing method
A moving image editing apparatus including: a storage unit configured to store a first moving image; a stack memory configured to, each time a reading request for reading range of a portion of the first moving image from the storage unit, or a writing request for replacement range of a portion of the first moving image with a second moving image is received from a terminal, store the request; and a sending processing unit configured to output, when the reading request is read from the stack memory, to the terminal, a moving image in which the overlapping range of the reading range with regard to the first moving image has been replaced with the second moving image when the second moving image with which a range overlapping a portion of the reading range specified by the reading request is to be replaced has been received. |
| US08737813B2 |
Automatic content recognition system and method for providing supplementary content
Primary digital content played on a media device, such as a television, handheld device, smart phone, computer, or other device, is sampled and data is derived from the sample for identification of the primary digital content. Automatic content recognition is performed to determine the primary digital content. The time of the sample may also be determined. Supplementary digital content is then selected and transmitted to the media device, or to another device, based upon the identified primary digital content. The supplementary digital content may be adapted in layout, type, length, or other manners, based upon the platform and/or configuration of the media device or any other device to which the supplementary digital content is transmitted. |
| US08737811B2 |
Playback device, integrated circuit, playback method, and program
A playback device that secures coexistence of a built-in GUI for a built-in machine created uniquely by the manufacturer and a stereoscopic image created by the contents provider. A subtitle decoder displays a subtitle in a predetermined layout by decoding a subtitle stream. A GUI processing unit draws the built-in GUI. The layout of the subtitle to be displayed is one of: normal layout in which areas for subtitle display are provided both in upper and lower parts of a screen; top arrangement layout in which an area for displaying subtitle is provided only in the upper part of the screen; and bottom arrangement layout in which the area for displaying the subtitle is provided only in the lower part. When the top or bottom arrangement layout is selected as the layout of the subtitle, the GUI processing unit selects the layout of the subtitle as the layout of the built-in GUI. |
| US08737810B2 |
Method and apparatus for cropping of subtitle elements
Embodiments of the invention provide for the retrieval of subtitle layer data from a storage medium, the subtitle layer data containing graphic subtitle elements, the extraction of cropping information from the retrieved subtitle layer data, the cropping information including a parameter for horizontal position, a parameter for vertical position, a parameter for width and a parameter for height and the automatic cropping of rectangular parts of the subtitle elements to be displayed, where the cropped parts to be displayed are defined by the cropping information. |
| US08737809B2 |
Content playing apparatus and control method thereof
A content playing apparatus and method are provided, the content playing apparatus including: a receiver which receives content including a video and an audio; a storage unit which stores the received content; a processor which processes the content to play the stored content; an output unit which outputs a video and an audio of the played content; and a controller which generates an index of the video based on properties of the audio, and plays a part of the video corresponding to the properties of the audio at the part of the video by referring to the index. |
| US08737807B2 |
Reproduction apparatus and image-capturing apparatus
A start position and an end position of a sliding operation along a direction in which the main subject moves in the video image is detected respectively as a first position and a second position. It is controlled so as to play a video image over a range between the first position and the second position. The video image constituted with the plurality of images starting with the first image and ending with the second image is played along a forward direction if the first image with the main subject at the first position precedes the second image with the main subject at the second position, and the video image constituted with the plurality of images starting with the first image and ending with the second image is played along a reverse direction if the first image follows the second image. |
| US08737805B2 |
Method and apparatus for providing stream linking in audio/video media
A method and apparatus for providing stream linking in audio/video disk media is disclosed. The present invention sets-up an audio/video stream on a disk drive, uses read and write commands for accessing contiguous data and, given an established stream, establishes a linked stream by sending a linked stream request with the number of a primary stream to the drive. The new stream inherits the beginning and ending addresses of the primary stream. Passed pointer detection is enabled for linked stream pointers passing primary stream pointers. |
| US08737801B2 |
Methods and apparatus for client aggregation of television programming in a networked personal video recording system
A networked personal video recording (“PVR”) system couples a plurality of clients to one or more PVR media servers over a network. One or more PVR media servers include television tuners to tune television signals. A storage medium buffers the television signals to implement PVR functionality. For example, the PVR media server records television programs for clients. Clients are assigned to television tuners, and the clients display television programs received at the assigned tuner. The network transfers the buffered television signals to the clients. |
| US08737796B2 |
Rapid universal rack mount enclosure
A telecommunications device includes a main housing body having a major wall and a plurality of minor walls that extend outwardly from the major wall. A cover mounts to the main housing body at a location opposite the major wall. A connection interface is disposed between the cover and at least one of the minor walls. The connection interface allows the cover to be slid relative to the minor walls in a direction that is generally parallel to the major wall between an uncaptured position and a captured position. At least one telecommunications component is mounted within the main housing body. A first cable manager defines an opening for receiving a fiber optic cable. The first cable manager includes a first portion connected to the main housing body and a second portion connected to the cover. |
| US08737792B2 |
Multicore fibers and associated structures and techniques
A multicore fiber comprises a plurality of cores extending along the length of a fiber body. Each of the cores is surrounded by a cladding. The plurality of cores and surrounding cladding provide respective index variations, so as to form a respective plurality of waveguides for conducting parallel data transmissions from a first end of the fiber to a second end. The plurality of cores has a cross-sectional geometry in which the plurality of cores is configured in a polygonal array, in which at least some of the cores are positioned at the vertices of the array. The polygonal array is configured such that neighboring cores in the array are separated from each other by a distance that is sufficient to prevent crosstalk therebetween. |
| US08737787B2 |
Fiber optic cables with access features
Cables are constructed with discontinuities in the cable jacket that allow the jacket to be torn to provide access to the cable core. The discontinuities can be longitudinally extending strips of material in the cable jacket. The discontinuities allow a section of the cable jacket to be pulled away from a remainder of the jacket using a relatively low peel force. |
| US08737783B2 |
Light guiding plates and light emitting devices including the same
A light guiding plate may include a substrate, a waveguide, and a reflective metal. The waveguide and the reflective metal may be formed on the substrate. The waveguide may guide light. The reflective metal may reflect the light guided along the waveguide to change a propagation direction of the light. A light guiding plate may include a substrate, a cladding layer, and a plurality of waveguides. The cladding layer may be formed on the substrate. The cladding layer may include a first insulating layer having a first refractive index. The plurality of waveguides may be formed on the cladding layer. The plurality of waveguides may include a second insulating layer having a second refractive index. The second refractive index may be higher than the first refractive index. The plurality of waveguides may guide light provided by a light emitting element. At least two of the waveguides may have different lengths. |
| US08737777B2 |
Optical waveguide and a method for making an optical waveguide
The invention provides an optical waveguide and a method of making an optical waveguide. The waveguide has a curved section having an asymmetric refractive index profile, in which the refractive index varies asymmetrically across the waveguide cross-section in dependence on the radius of the curved section of the waveguide. |
| US08737772B2 |
Reducing optical loss in an optical modulator using depletion region
An optical device includes a light-transmitting medium positioned on a base. The light-transmitting medium includes a slab region and a ridge extending upward from the slab region. The ridge defines a portion of an optical waveguide on the device. A modulator is also positioned on the base. The modulator includes a first doped region of the light-transmitting medium and a second doped region of the light-transmitting medium. The first doped region and the second doped region are configured such that a depletion region forms in the waveguide when an electrical bias is not applied to the modulator. At least a portion of the first doped region is positioned in the ridge and at least a portion of the second doped region is positioned in the slab region. The light-transmitting medium includes a first electrical pathway extending from a first location to the first doped region. The first location is on top of the light-transmitting medium and is spaced apart from the ridge. |
| US08737771B2 |
Annotation addition method, annotation addition system using the same, and machine-readable medium
Disclosed are a method and a system for adding annotations into an input medium file. The method comprises a step of creating annotation detection models based on training samples formed by existing media files having annotations; a step of extracting coexistence coefficients of any two annotations based on appearance frequencies of the annotations in the training samples; a step of inputting the input medium file; a step of extracting sense-of-vision features from the input medium file; a step of obtaining initial annotations of the input medium file; a step of acquiring candidate annotations based on the initial annotations and the coexistence coefficients of the annotations in the training samples; and a step of selecting a final annotation set from the candidate annotations based on the sense-of-vision features of the input medium file and the coexistence coefficients by using the annotation detection models. |
| US08737770B2 |
Method and apparatus for automatic mash-up generation
In one embodiment, a method includes obtaining a target template and processing the target template to identify at least one component of the target template. The method also includes searching at least one collection of content to identify at least a first instance of content that substantially matches the component of the target template. The first instance of content is presented as substantially matching the component. Finally, a first arrangement that includes the first instance of content is created. Such a first arrangement is associated with a mash-up related to the target template. |
| US08737764B2 |
Method for dynamic range editing
A method of displaying a high dynamic range image, comprising receiving the high dynamic range image, calculating a first set of tone mapping parameters as a function of the high dynamic range image, sub-sampling the first set of tone mapping parameters at a first resolution to create a first sub-sampled parameter set, creating a first tone-mapped image by processing the high dynamic range image as a function of the first sub-sampled parameter set, and displaying the first tone-mapped image. A method of composting a plurality of versions of an image to create the high dynamic range image is also disclosed such that the compositing may be modified as a function of received user input. |
| US08737762B2 |
Method for enhancing image edge
Disclosed is a method for enhancing an image edge. An edge filter is applied to a photographed image, and the determination is performed with respect to whether pixels having edge possibility are noise or form an edge. The determination for the noise and the edge is performed once more with respect to pixels having vagueness for the noise and the edge by using a 3×3 mask. An edge enhancement process is performed through a simple algorithm. |
| US08737759B2 |
Image blurring by partitioning a non-separable fir filter
Systems and methods of blurring images may involve partitioning at least a portion of a non-separable finite impulse response (FIR) filter into a plurality of constant response sub-filters, wherein each constant response sub-filter has a rectangular aperture. In addition, the plurality of constant response sub-filters may be used to blur an image. In one example, the non-separable FIR filter may optionally be partitioned into one or more satellite sub-filters, wherein the one or more satellite sub-filters are also used to blur the image. |
| US08737757B2 |
Image processing method, image processing apparatus, and image pickup apparatus for correcting degradation component of image
An image processing method includes the steps of generating a first image through restoration processing of an amplitude component and a phase component of an input image, generating a second image that has an equal state of the phase component to that of the first image and a different state of the amplitude component from that of the first image through restoration processing of the phase component without restoration processing of the amplitude component of the input image, obtaining difference information between the first image and the second image, setting a restoration level adjustment factor used to adjust a restoration degree in the restoration processing, and generating a restoration adjusted image by composing the difference information with the second image according to the restoration level adjustment factor. |
| US08737753B2 |
Image restoration by vector quantization utilizing visual patterns
The restoration of images by vector quantization utilizing visual patterns is disclosed. One disclosed embodiment comprises restoring detail in a transition region of an unrestored image, by first identifying the transition region and forming blurred visual pattern blocks. These blurred visual pattern blocks are compared to a pre-trained codebook, and a corresponding high-quality visual pattern blocks is obtained. The high-quality visual pattern block is then blended with the unrestored image to form a restored image. |
| US08737743B2 |
Method of and device for identifying direction of characters in image block
The present embodiments disclose a method of and a device for identifying the direction of characters in an image block. The method includes: performing optical character recognition processing on the image block by assuming various directions as assumed character directions, respectively, to obtain sub image blocks, recognized characters corresponding to the sub image blocks and correctness measures thereof in each of the assumed character directions; determining a language group to which the characters in the image block belong; adjusting a correctness measure corresponding to a sub image block which corresponds to a recognized character not belonging to the determined language group in each of the assumed character directions; calculating an accumulative correctness measure in each of the assumed character directions based on the adjusted correctness measure; and identifying the direction of the characters in the image block according to the accumulative correctness measures. |
| US08737739B2 |
Active segmentation for groups of images
Systems and methods of segmenting images are disclosed. The similarity of images in a set of images is compared. A group of images is selected from the set of images. The images in the group of images are selected based on compared similarities among the images. An informative image is selected from the group of images. User-defined semantic information of the informative image is received. The group of images is modeled as a graph. Each image in the group of images denotes a node in the graph. Edges of the graph denote a foreground or background relationship between images. One or more images in the group of images may be automatically segmented by propagating semantic information of the informative image to images in the group having a graph node corresponding to the informative image. Segmentation results can be refined according to user provided image semantics. |
| US08737738B2 |
Parameters interpolation for high dynamic range video tone mapping
A method for toning mapping high dynamic range (HDR) video for display in low dynamic range display comprises accessing the HDR video; producing a luminance information for the individual frames; partitioning different consecutive groups of frames into segments responsive to the luminance information; classifying the segments into static luminance segments and transient luminance segments; producing a tone mapping parameter set for the static luminance segments; producing a tone mapping parameter set for at least one of the transient luminance segments responsive to the tone mapping parameter set of an adjacent static luminance segment; and tone mapping the static luminance segments and transient luminance segments according to the respective tone mapping parameter sets. |
| US08737735B2 |
System and method of bilateral image filtering
A method includes generating a first principle bilateral filtered image component from a source image. The first principle bilateral filtered image component corresponds to a second pixel value of a set, the second pixel value greater than or equal to a first pixel value. The method includes selectively updating a result pixel of a result image based on the first principle bilateral filtered image component and deallocating the first principle bilateral filtered image component. After deallocating the first principle bilateral filtered image component, a second principle bilateral filtered image component is generated from the source image. The second principle bilateral filtered image component corresponds to a third pixel value. The third pixel value is greater than the second pixel value. The third pixel value is less than or equal to a fourth pixel value. The result pixel is selectively updated based on the second principle bilateral filtered image component. |
| US08737730B2 |
Vector-based color difference metric for color mapping
Color management using a vector-based color difference metric. A color difference map is comprised of color difference vectors for each of a plurality of pixels of an original image. The color difference vector for each pixel includes both a magnitude and a directionality representing a difference for color data in each pixel in the original image, relative to color data in a corresponding mapped pixel in a color mapped image. Pixels in the color difference map having large color differences in color movement relative to nearby pixels are identified in the color difference map, by applying an edge-detection algorithm to the color difference map. For each pixel that is identified in a smooth area in the original image and is identified as having a large color difference in the color difference map, a correction algorithm is applied, so as to provide a corrected color mapped image. |
| US08737729B2 |
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. |
| US08737724B2 |
Image type classifier for improved remote presentation session compression
An invention is disclosed for classifying a graphic—e.g. as text or non-text. In embodiments, machine learning is used to generate a solution for classifying graphics of a graphic based on providing the machine learning system a plurality of graphics that are already classified. The way to determine a classification is then used by a remote presentation session server to classify tiles of frames to be transmitted to a client in a remote presentation session. The server encodes the tiles based on their classifications and transmits the encoded tiles to the client. |
| US08737722B2 |
Locomotion analysis method and locomotion analysis apparatus
An exemplary locomotion analysis method includes steps of: acquiring a depth map including an image of a measured object, filtering out a background image of the depth map according to a depth threshold, finding out the image of the measured object from the residual image of the depth map, calculating three-dimensional (3D) coordinates of the measured object according to the image of the measured object has been found out, recording the 3D coordinates to reconstruct a 3D moving track of the measured object and performing a locomotion analysis of the measured object according to the 3D moving track. Moreover, an exemplary locomotion analysis apparatus applied to the above method also is provided. |
| US08737721B2 |
Procedural authoring
A system and a method that facilitates generating a model from a 3-dimensional (3D) object assembled from 2-dimensional (2D) content are described. A content aggregator can construct a 3D object from a collection of two or more 2D images each depicting a real entity in a physical real world, wherein the 3D object is constructed by combining the two or more 2D images based upon a respective image perspective. A 3D virtual environment can allow exploration of the 3D object. A model component can extrapolate a true 3D geometric model from the 3D object, wherein the true 3D geometric model is generated to include scaling in proportion to a size within the physical real world. |
| US08737719B2 |
Alignment unit control apparatus and alignment method
An alignment unit control apparatus according to the present invention includes: an imaging section configured to control cameras to image a plurality of regions on a surface of a substrate to generate a plurality of images; a region detecting section configured to select a detection region from the plurality of regions based on the plurality of images; and an aligning section configured to align the substrate based on an alignment image obtained by imaging a mark of the substrate in the detection region by one of the plurality of cameras. For this reason, the alignment unit control apparatus does not need to have another mechanism for the purpose of positioning the mark for alignment in the field of vision of the camera, and can more easily be manufactured, and a region of an alignment mark can be detected more easily. |
| US08737716B2 |
Mobile communication device and method for identifying a counterfeit bill
A mobile communication device and method for identifying a counterfeit bill are provided. In the method, an InfraRed (IR) image of a bill is received, feature values are extracted from the IR image to represent edges, a binary image having displayed pixels and non-displayed pixels is generated based on the feature values, and a corrected image is generated by overlaying the binary image on a pre-stored real bill database and adjusting the binary image to match a predetermined area of the binary image matches to the predetermined area of the real bill database. A number of displayed pixels in the corrected image is counted, and whether the bill is counterfeit is based on the number of displayed pixels in the corrected image. |
| US08737710B2 |
Ultrasonic diagnostic apparatus, image processing apparatus and image processing method
According to one embodiment, an ultrasonic diagnostic apparatus comprises an ultrasonic probe, a scanning unit, an image data generating unit, a slice specifying unit, an image generating unit and a display unit. The scanning unit repeats three-dimensional scanning on a three-dimensional region in an object with an ultrasonic wave via the ultrasonic probe. The image data generating unit repeatedly generates three-dimensional image data based on an output from the scanning unit. The slice specifying unit specifies at least one slice from the three-dimensional image data concurrently with the three-dimensional scanning. The image generating unit generates at least one slice image associated with the specified slice from the three-dimensional image data. The display unit displays the generated slice image. |
| US08737709B2 |
Systems and methods for performing correlation analysis on clinical outcome and characteristics of biological tissue
Embodiments disclosed herein include methods, systems, and devices for determining a positive or negative correlation between a clinical outcome and one or more features of biological tissue. An exemplary user interface enables a user to select a clinical outcome and one or more aspects of a displayed field-of-view of biological tissue. Exemplary embodiments may automatically perform correlation analysis between the selected clinical outcome and one or more features characteristic of the user-selected aspects of the field-of-view of biological tissue. For example, exemplary embodiments may automatically perform correlation analysis between the selected clinical outcome and one or more features characteristic of one or more biological units in the biological tissue. |
| US08737707B2 |
Systems and methods for characterizing spatial distortion in 3D imaging systems
Systems and methods for characterizing spatial distortions in location data determined by an imaging system, for example as employed in imaged guided therapy. A three dimensional phantom is custom formed for a desired imaging space of a given imaging system. The phantom includes a large plurality of control points fixed rigidly in space to a high degree of known accuracy. The phantom is fixed to a stereotactic frame defining a known calibrated reference or zero and imaged. An algorithm customized for the phantom determines the spatial locations of the control points. A comparison is made between the known and the determined spatial locations for at least a subset of the control points. The comparison results in indicia for any determined spatial distortions observed. The raw image data can be manipulated to compensate for any spatial distortion. The control points can have fixed locations known to an accuracy of 100.mu. or better. The algorithm can determine an initial estimate for the detected location of a control point accurate to .+−.0.5 pixel or better. |
| US08737704B2 |
Methods for analyzing absorbent articles
A method for analyzing an absorbent article may include providing a three-dimensional computed tomography data set comprising a mannequin image and an article image. The article image may be constructed from projections collected while the absorbent article is fitted to a mannequin. An outer surface of the mannequin image may be identified. A desired distance may be provided. A volumetric demarcation may be spaced the desired distance away from the outer surface of the mannequin image. An image volume may be disposed between the outer surface of the mannequin image and the volumetric demarcation. A relevant portion of the article image may be enhanced using a processor. The relevant portion of the article image may be coincident with the image volume. |
| US08737703B2 |
Systems and methods for detecting retinal abnormalities
The systems and methods described herein relate generally to the detection of retinal abnormalities. More particularly, the systems and methods are used to analyze a fundus or other image of the retina. In some implementations, the image is analyzed by interdependently smoothing and segmenting the image. Using the smoothed and segmented image, retinal features can be identifying in the image. The systems and methods can then analyze the detected retinal features to identify retinal abnormalities. |
| US08737695B2 |
Photography auto-triage
In embodiments of photography auto-triage, at least a portion of each photograph in a group of photographs can be analyzed with triage filters of an auto-triage service to identify deficient photographs. The deficient photographs can be identified and then removed from the group of photographs. A compilation of triage-approved photographs is then generated, as well as a compilation of triage-removed photographs can be generated. |
| US08737694B2 |
Organic matter mapping using remotely sensed images
Relative changes in organic matter in soil in an agricultural field are mapped by a computer-implemented system and method that uses a number of individual bands from one or more remotely sensed images of the agricultural field. Each of the bands is associated with a light spectrum wavelength range, and each of the bands is weighted based on its contribution to predicting relative changes in organic matter. Elevation data may also be used in the weighted calculation. The map is separated into zones based on the relative predicted organic matter falling within a predefined range. Each zone may be associated with a different average organic matter content, and nutrient supplements are recommended for each zone based on the average organic matter associated with each of the mapped zones. |
| US08737692B2 |
Contact state estimating apparatus and trajectory generation apparatus
A state where at least a part of the virtual object (e.g., a foot of a robot) enters into the actual object (e.g., floor), i.e., a state where at least a part of a plurality of virtual points located on the surface of the virtual object is inside the actual object, can be assumed. At each of the inside and the outside of the actual object, as a virtual point is located at a deeper position inside and away from the surface or the skin part of the actual object and as a coordinate value difference ΔZi is larger, a higher value is calculated for the cost Ei as well. The combination Z^ of coordinate values of virtual points, bringing the total cost E=ΣiEi closer to an absolute minimum or a local minimum, can be searched. |
| US08737689B2 |
Environment recognition device and environment recognition method
A environment recognition device obtains luminances of a target portion existing in an area specifies a road surface luminance and a reference portion luminance; when the road surface luminance changes by a predetermined value or more, the reference portion luminance does not change by another predetermined value or more, and the changed road surface luminance is not a predetermined color, maintains a white balance correction value prior to the change until the road surface luminance returns to the predetermined color, and, in other cases, derives a white balance correction value to recognize the road surface luminance as the predetermined color; derives a corrected luminance by performing a white balance correction using the white balance correction value on the obtained luminance; and provisionally determines a object corresponding to the target portion from a corrected luminance of the target portion based on an association of a luminance range and the specific object. |
| US08737684B2 |
Airport target tracking system
A system for tracking objects using an Intelligent Video processing system in the context of airport surface monitoring. The system addresses airport surface monitoring operational issues such as all weather conditions, high robustness, and low false report rate. The output can be used to complement existing airport surface monitoring systems. By combining the use of multi-sensors and an adverse weather optimized system, the system is capable of producing an improved stream of information for the target object over traditional computer vision based airport surface monitoring systems. |
| US08737680B2 |
Device for controlling a driven movement element, particularly a door or a gate
A device for controlling a driven movement element with an electronic unit is proposed, which comprises a transmitter for electromagnetic radiation, for example, light, in particular infrared light, and a receiver for electromagnetic radiation emitted by a transmitter for the detection of objects on a propagation path between transmitter and receiver. According to the invention, the electronic unit is designed to detect a temporal change in at least one feature derived from the received electromagnetic radiation and, upon a detection of a change in the at least one feature that is comparatively slow over time, to output a signal that is associated with a detection of smoke. |
| US08737678B2 |
Platform for providing interactive applications on a digital content platform
Systems and methods for providing interactive applications. In one embodiment, the systems and methods may include: (a) identifying digital content published on digital content platforms (e.g., images published on webpages); (b) assigning a key to the digital content; and (c) processing the digital content through a tagging engine (e.g., a crowdsource network) to tag the content with contextual data. The systems and methods may further include: (d) maintaining a data repository, wherein the content and respective data are indexed by corresponding key; (e) receiving a data request from an enabled application, upon user-activation of the application, wherein the data request includes the key; (f) conducting a data search of the data repository based on the key; and (g) providing the content data, responsive to the data request, for rendering of the enabled and user-activated application. |
| US08737677B2 |
Customized audio content relating to an object of interest
A device/system and method for creating customized audio segments related to an object of interest are disclosed. The device and/or system can create an additional level of interaction with the object of interest by creating customized audio segments based on the identity of the object of interest and/or the user's interaction with the object of interest. Thus, the mobile device can create an interactive environment for a user interacting with an otherwise inanimate object. |
| US08737676B2 |
Defect estimation device and method and inspection system and method
Acquired mask data of a defect portion is sent to a simulated repair circuit 300 to be simulated. The simulation of the acquired mask data 204 is returned to the mask inspection results 205 and thereafter sent to a wafer transfer simulator 400 along with a reference image at the corresponding portion. A wafer transfer image estimated by the wafer transfer simulator 400 is sent to a comparing circuit 301. When it is determined that there is a defect in the comparing circuit 301, the coordinates and the wafer transfer image which is a basis for the defect determination are stored as transfer image inspection results 206. The mask inspection results 205 and the transfer image inspection result 206 are then sent to the review device 500. |
| US08737670B2 |
Built-in telescopic earphone structure and terminal device
The present invention provides a built-in telescopic earphone structure and a terminal device. The built-in telescopic earphone structure comprises a housing having a containing space, an earphone arranged within the containing space and having an earphone assembly and an earphone line, a connection means for connecting the earphone with a terminal device and transmitting signals, and an earphone line retracting means arranged within the containing space for retracting or releasing the earphone line. The built-in telescopic structure can be used to thoroughly solve the problem of earphone resource waste at the terminal device. When a user uses a terminal device (e.g., when using a telephone), it is unnecessary to lift the terminal device up to head, and the user can directly draw the built-in telescopic earphone out of the built-in telescopic earphone structure of the terminal device, thereby the harm caused by electromagnetic radiation from the terminal device is reduced dramatically. |
| US08737668B1 |
Headband for personal speakers
An assembly for holding a personal speaker relative to a user's ear. A headband assembly can include a band, a sleeve attached to an end of the band, and an arm moveably secured to the sleeve. The sleeve can include a pair of laterally opposed detent channels, and the arm can include a pair of spring-loaded bearings. Each spring-loaded bearing can engage one of the laterally opposed detent channels. The headband assembly can be adjusted by moving the arm relative to the sleeve. An arm of the headband assembly can be pivotally secured to a yoke by a magnetic pivot arrangement. The magnetic pivot arrangement can include a groove, a protrusion, and magnetic elements. A yoke can be pivotally secured to a housing by housing pivot arrangement. The housing pivot arrangement can include a pin extending from the yoke and a collar retained in the housing. |
| US08737667B2 |
Earphone device having biological information measuring apparatus
An earphone device having a biological information measuring apparatus, structured to facilitate insertion into a user's ear or to absorb vibration generated by external movement before or after the insertion. To this end, the earphone device includes a speaker portion, a sensor housing rotatably coupled with the speaker portion, a shaft provided in the speaker portion and the sensor housing to couple the speaker portion with the sensor housing such that the speaker portion and the sensor housing rotate together, a support housing coupled with the shaft to pass the shaft therethrough, the support housing supporting rotation of the speaker portion and the sensor housing, and a stopper portion provided in the shaft and the support housing to rotate the speaker portion and the sensor housing and then stop them before or after insertion into a user's ear, thereby facilitating the insertion or urging the speaker portion to contact the user's ear. |
| US08737666B2 |
Apparatus for audio communication
A headset (10) for audio communications comprising a speaker housing (11) and a boom (12) for a microphone (41, 51), the headset arranged to provide a retracted state and an extended state, wherein the boom is arranged to be wrapped around the speaker housing in the retracted state and be unwrapped from the speaker housing in the extended state. The headset may be used as a hands-free unit for a telephone. |
| US08737664B2 |
In-the-ear porting structures for earbud
Systems, apparatus and methods are discussed for controlling resonance in in-the-ear headphones. Resonance effects resulting from wave reflection and superposition can occur in the cavity formed by the port tube of an earbud and the wearer's ear canal. In this invention, acoustically resistive structures are provided to create sound diffusion in the cavity. In one embodiment, a spring coil with several adjustable parameters is inserted into the port tube. In another embodiment, a pattern of grooves is carved into the inner surface of the port tube. Porous filters can also be used in conjunction with both of the embodiments described above. The result of providing the resistive structures in an earbud is a flattened cavity frequency response and improved sound quality. |
| US08737663B2 |
Acoustic energy transducer
Illustrative acoustic transducers are provided. A monolithic semiconductor layer defines a plate, two or more flexible extensions and at least a portion of a support structure. Acoustic pressure transferred to the plate results in tensile strain of the flexible extensions. The flexible extensions exhibit varying electrical characteristics responsive to the tensile strain. An electric signal corresponding to the acoustic pressure can be derived from the varying electrical characteristics and processed for further use. |
| US08737662B2 |
Noise mitigating microphone attachment
Methods, systems and apparatus are described for mitigating noise during sound recording. A noise mitigating microphone attachment comprises a foam structure. A first cavity extending from a first opening at a surface of the foam structure and into the foam structure. A microphone is inserted into the first cavity with sound receiving elements of the microphone fully installed in the structure. A second cavity extending from a second opening at the surface of the foam structure and into the foam structure is configured to receive sound from a sound source. The first cavity is fluidly connected to the second cavity within the foam structure so that a junction is formed between the first cavity and the second cavity. The junction, the sound cavity, and the sealing of the microphone work to shield the sound receiving elements of the microphone from sound other than received through the second opening. |
| US08737661B2 |
Narrow directional condenser microphone
There is provided a narrow directional condenser microphone having an acoustic tube, in which a condenser microphone unit having a large effective diaphragm area is arranged on the rear end portion side of the acoustic tube to achieve high sensitivity without an increase in the diameter of the acoustic tube. In a narrow directional condenser microphone in which a unidirectional condenser microphone unit configured by arranging a diaphragm and a backplate opposedly via a spacer is arranged on the rear end side of an acoustic tube 10, the narrow directional condenser microphone is provided with a unit pair assembly 20 configured by opposedly combining two of the condenser microphone units 20R and 20L with the diaphragm side thereof being parallel to each other, and the unit pair assembly 20 is arranged on the rear end side of the acoustic tube 10 in such a manner that the condenser microphone units 20R and 20L are arranged symmetrically with respect to the tube axis X of the acoustic tube 10. |
| US08737654B2 |
Methods and apparatus for improved noise reduction for hearing assistance devices
Disclosed herein, among other things, are methods and apparatus for improved noise reduction for hearing assistance devices. In various embodiments, a hearing assistance device includes a microphone and a processor configured to receive signals from the microphone. The processor is configured to perform noise reduction which adjusts maximum gain reduction as a function of signal-to-noise ratio (SNR), and which reduces the strength of its maximum gain reduction for intermediate signal-to-noise ratio levels to reduce speech distortion. In various embodiments, the hearing assistance device includes a memory configured to log noise reduction data for user environments. Also provided are methods to further adjust the noise reduction based on the logged information. |
| US08737653B2 |
Noise reduction system for hearing assistance devices
Disclosed herein is a system for binaural noise reduction for hearing assistance devices using information generated at a first hearing assistance device and information received from a second hearing assistance device. In various embodiments, the present subject matter provides a gain measurement for noise reduction using information from a second hearing assistance device that is transferred at a lower bit rate or bandwidth by the use of coding for further quantization of the information to reduce the amount of information needed to make a gain calculation at the first hearing assistance device. The present subject matter can be used for hearing aids with wireless or wired connections. |
| US08737652B2 |
Method for operating a hearing device and hearing device with selectively adjusted signal weighing values
A method for operating a hearing device and a hearing device are provided. Electrical acoustic signals are generated by the hearing device from a recorded ambient sound, the electrical signals being weighted according to their degree of matching with a predefinable acoustic signal class and being mixed together to form an output sound signal. The weight of the acoustic signal is greater or lesser, the greater the extent of the degree of matching. |
| US08737647B2 |
Display
A display, includes: a display section; a first output section; a second output section; and a housing containing the display section, the first output section, and the second output section, wherein, the display section has an aspect ratio with a width more than twice a height, the first output section is arranged along an upper side of the display section so as to face forward and is configured to output a plurality of channels of audio, and the second output section is arranged along a lower side of the display section so as to face forward and is configured to output a plurality of channels of audio. |
| US08737646B2 |
Temperature compensated voltage pump
The present invention relates to an integrated circuit voltage pump with temperature compensation circuitry providing improved DC output voltage accuracy over an operational temperature range. The compensation circuitry is operative to eliminate or reduce temperature induced changes of voltage drops across semiconductor diodes of the integrated circuit voltage pump. |
| US08737641B2 |
Noise suppressor
A noise suppressor selects, for individual frequency components, maximums by comparing a plurality of noise suppressed spectra 105 and 106 a plurality of noise suppressing units 4 and 5 output, thereby obtaining an output spectrum 107 having the frequency components selected as its components. A first noise suppressing unit 4 generates a noise suppressed spectrum 105 by multiplying an input spectrum 102 by amplitude suppression gains, and makes the amplitude suppression gains greater than most of the amplitude suppression gains in a noise signal intervals of a second noise suppressing unit 5. |
| US08737638B2 |
Audio signal processing device, audio signal processing system, and audio signal processing method
An audio signal processing device includes multiple input reception units to which analog audio signals, on which watermark information indicating identification information is superimposed, are input, an extraction unit that is adapted to extract the identification information from each of the analog audio signals input to the multiple input reception units, and a display unit for performing display depending on the identification information extracted by the extraction unit in correspondence with the input reception unit to which the analog audio signal, from which the identification information is extracted, is input, or signal processing unit for performing signal processing depending on the identification information extracted by the extraction unit for the analog audio signal, from which the relevant identification information is extracted, and outputting the processed analog audio signal. |
| US08737636B2 |
Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
An adaptive active noise cancellation apparatus performs a filtering operation in a first digital domain and performs adaptation of the filtering operation in a second digital domain. |
| US08737635B2 |
Diaphonic acoustic transduction coupler and ear bud
The disclosed methods and devices incorporate a novel expandable bubble portion which provides superior fidelity to a listener while minimizing listener fatigue. The expandable bubble portion may be expanded through the transmission of low frequency audio signals or the pumping of a gas to the expandable bubble portion. In addition, embodiments of the acoustic device may be adapted to consistently and comfortably fit to any ear, providing for a variable, impedance matching acoustic seal to both the tympanic membrane and the audio transducer, respectively, while isolating the sound-vibration chamber within the driven bubble. This reduces the effect of gross audio transducer vibration excursions on the tympanic membrane and transmits the audio content in a manner which allows the ear to utilize its full inherent capabilities. |
| US08737634B2 |
Wide area noise cancellation system and method
An open air, wide area noise cancellation system and method provides improved identification and characterization of noise sources then generating noise cancelling sound waves. |
| US08737627B2 |
Electronic device and decoding method of audio data thereof
A decoding method of audio data is applied to an electronic device. The method includes: calculating difference values of the left and right channel audio signal values; determining time slots, wherein each of the first difference values exceeds a threshold value and a time length of the time slots exceeds a preset time; respectively multiplying the time slots with the left channel audio signal values and the right channel audio signal values to obtains and then making subtraction to obtain DM1˜n; finding a U shaped pattern or an inverse U shaped pattern which meets proportionality from the waveform of DM1˜n; and decoding the written symbol “0” or “1” according to the found U shaped pattern or inverse U shaped pattern. |
| US08737626B2 |
Audio signal decoding device and method of balance adjustment
Disclosed is an audio signal decoding device and a method of balance adjustment that reduces a fluctuation of a decoded signal orientation and maintains a stereo perception. An interchannel correlation computation unit (224) computes a correlation between a left channel decoded stereo signal and a right channel decoded stereo signal, and if the interchannel correlation is low, a peak detection unit (225) uses a peak component of a decoded monaural signal of the current frame and a peak component of either a left or a right channel of the preceding frame to detect a peak component with a high temporal correlation. The peak detection unit (225) combines and outputs, from among the frequencies of the detected peak components, a peak frequency of a frame n−1 and a peak frequency of a frame n. A peak balance coefficient computation unit (226) computes, from the peak frequency of the frame n−1, a balance parameter that is used in converting a peak frequency component of the monaural signal to stereo. |
| US08737624B2 |
Secure email communication system
The present invention provides a method and system for securing a digital data stream. A first key of a first asymmetric key pair from a key store remote from a host node is received at the host node. A dynamically generated key is received at the host node, which is used to encipher the digital data stream. The dynamically generated key is enciphered with the first key of the first asymmetric key pair. The enciphered digital data stream and the enciphered dynamically generated key are stored remotely from the host node and the key store. |
| US08737617B2 |
Encryption apparatus, decryption apparatus, encryption method, decryption method, and encryption/decryption system
In order to protect SSL encrypted communication from MITM attacks, a server certificate is used in the communication. However, operation of the server certificate is not simple, and the certificate is not sufficient to protect the communication from the MITM attacks. In SSL encrypted communication in which a password is shared between a client and a server, the client encrypts random number data and a password by means of a public key, determines a value by processing encrypted data by means of encrypted password data, and transfers the thus-determined value to the server. The server eliminates the password encrypted data from the value and back calculates the random number data, which are then decrypted, to thus acquire the random number data generated by the client. A hash value of the random number data is submitted to the client. |
| US08737612B2 |
Broadcast receiving device for receiving broadcast signal and method of controlling the same
Provided is a broadcast receiving device including a determining unit configured to make a determination on a channel selected by a selecting unit as to whether the corresponding encryption key is available or unavailable, and a control unit configured to, when the determining unit determines that the encryption key is unavailable, allow the selecting unit to sequentially select channels displayed in a channel window, allow the determining unit to make the determination, and allow an output unit to generate and output the channel window so that the channel with the encryption key determined as unavailable is identified. |
| US08737611B2 |
Encryption device and medium, decryption device and method, data delivery device, data receiving device, and data delivery system
A data delivery device divides data representing a single entity into a plurality of data items, encrypts the data items, and delivers the encrypted data items to a data receiving device. The encryption device in the data delivery device includes a first encryptor that encrypts a first set of the data items, leaving a second set of the data items unencrypted. A storage unit stores the encrypted first set of data items and the unencrypted second set of data items, pending delivery to the data receiving device. A second encryptor encrypts the second set of data items in real time when they are taken from the storage unit and delivered to the data receiving device. By combining pre-encryption and real-time encryption, the encryption device attains a high level of security with only a moderate real-time processing load. |
| US08737609B1 |
Authentication method and system
The present invention provides a method and apparatus for the production and labeling of objects in a manner suitable for the prevention and detection of counterfeiting. Thus, the system incorporates a variety of features that make unauthorized reproduction difficult. In addition, the present invention provides an efficient means for the production of labels and verification of authenticity, whereby a recording apparatus which includes a recording medium, having anisotrophic optical domains, along with a means for transferring a portion of the recording medium to a carrier, wherein a bulk portion of the recording medium has macroscopically detectable anisotrophic optical properties and the detecting apparatus thereon. |
| US08737602B2 |
Passive, non-amplified audio splitter for use with computer telephony integration
A passive, non-amplified audio switch for a computer telephony system is provided. The passive, non-amplified audio switch provides a first telephone jack to receive audio in and send audio out to a first user. The passive, non-amplified audio switch provides a second telephone jack to receive audio in and send audio out to a second user. The passive, non-amplified audio switch further provides audio out and receives audio in from a voice platform, which transcribes audio using a speech to text engine. The passive, non-amplified audio switch provides that audio in from the second user is always provided to the voice platform for transcription. |
| US08737598B2 |
Customer support center with virtual world enhancements
A customer support system enhanced with virtual world features to make the support experience more interactive and pleasant. The system includes a web user interface for web-based customers and an optional voice interface for voice-based customers, a support server and a virtual world component for enhancing the interaction between a customer and the support center. A routing server with virtual world targets route the customer to appropriate support center contacts in the virtual world. The virtual world targets include a “Greeter” avatar for greeting and prompting the customer with support-related questions. The customer is routed to a “CSR” avatar once support information is obtained. Other avatars like “Expert” avatars, “Advisor” avatars, and “Friend” avatars may also join the support session to assist the customer on specific support items, depending on the customer needs. |
| US08737594B2 |
Emergency services for packet networks
The present invention provides a technique for facilitating emergency services via packet networks. Emergency service providers will implement emergency proxies to ensure that proper call setup requests for emergency services are forwarded to the appropriate entities, even if those entities are in overload conditions. The emergency proxies may authenticate and filter call setup requests to ensure that only proper call setup requests are forwarded to help prevent such overload conditions. The emergency proxies may operate solely in a packet network, as well as at the interface between a packet network and a circuit-switched network to assist in call setup requests originating from either the packet network or the circuit-switched network. |
| US08737590B2 |
System and method for handling multiple call redirections in a voice messaging system
A method for handling multiple call redirections in a voice messaging platform is provided that includes receiving a call at the voice messaging platform, wherein multiple, sequential redirecting numbers are associated with the call. The method also includes selecting a mailbox associated with a last number associated with the call when it is determined that the last number does not belong to a closed user group, and depositing a message in the selected mailbox. When the last number belongs to the closed user group, and if the closed user group does not allow individual call forwarding control, the method selects the mailbox based on a closed user group preference. An apparatus and a computer readable medium are provided. |
| US08737588B2 |
Enhanced call return in a communications network
Methods for enabling enhanced call return in a communications network is disclosed. In some embodiments, the method includes receiving an incoming telephone call from a caller, wherein the incoming telephone call identifies a subscriber as a callee thereof; capturing caller-specific information for the caller, wherein the caller-specific information includes at least one of the name of the caller and the telephone number of the caller; and storing the caller-specific information into an intelligent peripheral (IP) within the network. Some embodiments of the methods include allowing the subscriber to access the caller-specific information stored in the IP. In some embodiments, the subscriber subscribes to an enhanced call return (ECR) feature as part of a service plan. The ECR feature allows the subscriber to access caller-specific information for a predetermined number of past callers and also to return calls from those past callers. |
| US08737586B2 |
Telephone number sharing configuration
A system and a method are disclosed for providing telephone number sharing services to subscribers over public switched telephone network or data network. The disclosed system maintains a bank of reusable caller identifiers (IDs). The system receives call details of a call from a subscriber of the system. The call details include a caller identifier (ID) preference of the subscriber and a called number corresponding to the called party. The system stores the call details in a database. The system determines whether the call from the subscriber is a first call to the called number. In response to the call being the first call to the called number, the system assigns a call ID from the bank of reusable caller IDs that satisfies the reusable caller ID preference of the subscriber, and connects the call to the called number along with the caller ID. |
| US08737584B2 |
Method and apparatus for providing emergency calls to a disabled endpoint device
The present invention enables the remote activation of a device by a packet-switched service, e.g., VoIP network service for the purposes of receiving calls identified as urgent from a pre-identified calling party when the device is disabled. The present invention enables registered users to select the calling parties they wish to receive emergency calls from. |
| US08737583B2 |
Document transmission and routing with recipient control
Techniques for transmitting information to a recipient under their control are described. In some situations, the techniques are used in conjunction with a fax delivery system to, as part of a connection established to perform a fax transmission, provide a variety of functionalities to a human recipient that is participating as part of the connection, such as when the human recipient is contacted in error. In addition, in some situations an interactive voice response system is used to receive and interpret input from a human recipient, such as in response to one or more control selections or options provided to the human recipient. |
| US08737582B1 |
System to record and analyze voice message usage information
A voice message system records voice message usage information by creating voice message records when a voice message is sent and when it is received. The voice message record includes: the voice message, a voice message sender identity, a voice message recipient identity, and voice message action records. A voice message action records includes a voice message action that specifies an action on the voice message, and a voice message action time that includes the time at which the action occurs. Voice message actions include sent, received, and listened. The system further includes a voice message analyzer for analyzing voice message records, and a voice message reporter for generating reports from an analysis by the analyzer. The voice message system provides tractable information for voice messages, allowing companies to enforce a voice message usage policy. |
| US08737581B1 |
Pausing a live teleconference call
Methods and products are described for facilitating a method of controlling participation in a teleconference call. One embodiment of the method includes connection to a teleconference call so that a user of a communications device is capable of participating in the call. Any real-time inbound audio and real-time outbound audio is recorded and stored. At some point during the call, a pause command is received that indicates a desire to suspend real-time participation in the teleconference call and that starts a pause process. One embodiment of the pause process includes continuing to record the real-time inbound audio but preventing it from being presented via the communications device until a resume request is received, preventing the real-time outbound audio from being sent to other call participants until a resume request is received, and enabling a resume option that allows the user to re-engage in real-time participation in the teleconference call. |
| US08737580B2 |
Toggling voicemail class of service
A method for toggling voicemail class of service (CoS) including receiving a subscriber-initiated CoS change request at a billing system, wherein the CoS change request includes a request to change from a first CoS associated with a first voicemail system (VMS) to a second CoS associated with a second VMS. The method further includes validating the CoS change request at the billing system, sending a CoS delete request to the first VMS to at least temporarily disable a first voicemail account, and sending a provisioning request to the second VMS to provision a second voicemail account. A system for toggling voicemail CoS and a computer-readable medium for toggling CoS from a mobile device. |
| US08737579B2 |
Methods of routing messages using a listener registry
A method of routing messages may include providing a listener registry of a plurality of listeners and associated namespaces so that at least one namespace is associated with each of the plurality of listeners. A message may be received from an originating application, and the message may include a message namespace. The message may be stored in a message queue, and a determination may be made to determine if a listener from the listener registry is associated with the message namespace. If no listener from the listener registry is associated with the message namespace, the message may be stored in a parked message queue separate from the message queue. After the message has been in the parked message queue for a predetermined period of time, the message may be deleted from the parked message queue. |
| US08737578B2 |
Method and device for enabling message responses to incoming phone calls
A computing device is configured to receive an incoming communication from another computing device. The incoming communication may be for purpose of initiating a voice-exchange session. In response to receiving the incoming call, the computing device may identify or determine a message identifier of the other computing device. The message identifier is determined based at least in part on data provided with the incoming communication. The computing device may programmatically address a message to the other computing device using the message identifier determined from the incoming communication. |
| US08737577B2 |
IP handset-based voice mail notification
A system and method that notifies the receipt of a voicemail message at an IP telephone using one or more of instant messaging and short message service. A preferred embodiment of the invention provides an IP telephone that prepares a notification regarding the receipt of a voicemail message. In one embodiment, the IP telephone queries the availability of an instant messaging client via an instant messaging presence server, and forwards the notification to the instant messaging presence server if the instant messaging client is available. In another embodiment, the IP telephone sends the notification to a short message service client via a short message service gateway. In still another embodiment, the IP telephone sends the notification to both instant messaging client and short message service clients. |
| US08737572B2 |
Method and apparatus for transmission line testing
A method and device for transmission line testing are provided. A particular modem device includes a transmission line interface to connect to a transmission line. The modem device also includes a memory to store a plurality of transmission line tests. The modem device also includes a controller coupled to the memory and to the transmission line interface. The controller selects one or more tests of the plurality of transmission line tests from the memory. The controller also performs the selected one or more tests on the transmission line and detects an electrical characteristic of the transmission line. |
| US08737571B1 |
Methods and apparatus providing call quality testing
A method, apparatus and computer readable medium for call quality testing is presented. A query is transmitted over a communications network from a first location to a second location. The query results in an audio signal at the second location, which is received at the first location. The audio signal is analyzed by comparing the signal with a reference signal clip. A statistical parameter is generated, the statistical parameter indicative of a quality of the received signal. |
| US08737568B2 |
Method of removing foil shadows of a synchronous grid, and a radiographic apparatus using the same
An extracting step (step S1) extracts uninfluenced pixels with a relatively high degree of certainty, while avoiding influences of random quantum noise as much as possible. An approximate fluoroscopic image is obtained based on such uninfluenced pixels (step S2). Thus, accuracy of the approximate fluoroscopic image can be improved over that of the prior art. Therefore, a grid foil shadow image (step S3) and a foil shadow standard image (step S4) calculated successively based on the approximate fluoroscopic image have improved accuracy over the prior art. As a result, while inhibiting influences of random quantum noise, a foil shadow removed image can be obtained which is free from artifacts due to distortion of a synchronous grid. |
| US08737563B2 |
Radiation imaging system, console, and radiation imaging program
A radiation imaging system has a radiation generation device, an FPD cassette, and a console. The console judges whether or not the FPD cassette is in a good communication state repeatedly once every thirty seconds. Upon receiving a radiography order, the console changes repetition intervals from thirty seconds to three seconds, and keeps judging the communication state of the FPD cassette. The repeated judgment is continued until a shutter button is pressed. Upon the press of the shutter button, the radiation generation device emits radiation to carry out radiography. |
| US08737556B2 |
Delay lock loop phase glitch error filter
A method and apparatus is provided for providing a phase glitch error filter for a delay lock loop. The device comprises a delay lock loop to provide an output signal based upon a phase difference between a reference signal and a feedback signal. The delay lock loop comprises a filter unit to provide filtering of noise on a phase control signal to substantially reduce a false delay lock loop state. |
| US08737543B2 |
Method and apparatus for recovering estimated velocity of mobile station in communication system
A method and apparatus for recovering an estimated velocity of a mobile station in a communication system are provided. The apparatus includes a searcher for determining a Doppler shift value representing the estimated velocity of the mobile station by using a channel impulse response of a preamble signal received at a regular interval of time, a detector for determining a reference Doppler value for compensating the Doppler shift value by using correlation ratios between channel values of symbols to which data for the mobile station are allocated according to subcarriers in a data allocation field of a frame including the preamble signal, and a compensator for determining a compensated Doppler shift value by using the reference Doppler value to compensate the Doppler shift value for a folding value, wherein the folding value represents a difference between the estimated velocity and a true velocity of the mobile station. |
| US08737542B1 |
Method and apparatus for data reception in high-speed applications
A method and apparatus for receiving data in high-speed applications wherein an analog-to-digital converter (ADC) samples a received signal and a data decoder implemented with a tree search algorithm detects the bits of the sampled data for timing recovery. In some embodiments, a Viterbi detector is implemented to provide accurate bit detection for data output while tree search detected data is used to determine the optimal sampling phase for the ADC. In some embodiments, after the phase acquisition stage of timing recovery has completed, the tree search decoder may decrease the rate of data detection to maintain phase tracking. |
| US08737541B2 |
Decoding apparatus, decoding method and recording medium
Provided is a decoding apparatus capable of reducing the error rate of the decoding results and also the circuit scale. A computing unit computes a plurality of distances only for a number of code word candidates of code words from demodulated data, the number being smaller than a number of values the code words can express, the code words having a possibility of being transmitted. A decoding unit decodes the code words from the plurality of computed distances. This invention is applicable to a decoding apparatus for Long Term Evolution (LTE). |
| US08737539B2 |
Low complexity iterative MIMO receiver based on successive soft interference cancellation and MMSE spatial filtering
A multiple-input multiple-output (MIMO) system for demapping uses a single stream system of iterative passes in a preferred order using the latest soft-information for better interference cancellation and the minimum mean square error (MMSE) criterion. |
| US08737535B2 |
Discrete digital receiver with FTBPF
A receiver includes an antenna interface, a frequency translation bandpass filter (FTBPF), a sample and hold module, and a down conversion module. The antenna interface is operable to receive a received wireless signal from an antenna structure and to isolate the received wireless signal from another wireless signal. The FTBPF is operable to filter the received wireless signal to produce an inbound wireless signal. The sample and hold module is operable to sample and hold the inbound wireless signal in accordance with an S&H clock signal to produce a frequency domain sample pulse train. The down conversion module is operable to convert the frequency domain sample pulse train into an inbound baseband signal. |
| US08737534B2 |
Receiver having inphase-quadrature imbalance compensation and inphase-quadrature imbalance compensation method thereof
A receiver having Inphase-Quadrature (I-Q) imbalance compensation and an I-Q imbalance compensation method are provided. The receiver calculates a cross-ratio parameter according to a first ideal receiving value and a first ideal conjugate receiving mirror of a first receiving signal and a second ideal receiving value and a second ideal conjugate receiving mirror of a second receiving signal. The receiver calculates an I-Q imbalance compensation parameter according to the cross-ratio parameter, the first ideal receiving value, the first ideal conjugate receiving mirror, the second ideal receiving value, the second ideal conjugate receiving mirror, the first receiving signal and the second receiving signal. The receiver compensates a third receiving signal according to the I-Q imbalance compensation parameter. |
| US08737531B2 |
Vector generator using octant symmetry
In various embodiments, an active vector generator may comprise a vector component switch and a first amplitude adjustment component in parallel with a second amplitude adjustment component. The first and second amplitude adjustment components may operate with different ranges of amplitude. For example, the first amplitude adjustment component may have a full range of amplitude and the second amplitude adjustment component may have a partial range of amplitude. The vector component switch may operate to receive two signals and route the signals to the various amplitude adjustment components based on the relative magnitudes of the two signals. A benefit of having two amplitude adjustment components with selectable signal pathways is that the all the phase states may be obtained but using less robust and expensive amplitude adjustment components. |
| US08737530B2 |
Midamble allocations for MIMO transmissions
Allocation of multiple training sequences transmitted in a MIMO timeslot from multiple transmit antenna elements is provided. For example, a method of generating signals in a MIMO timeslot, the method comprising: selecting a first training sequence; preparing a first data payload; generating a first signal including the prepared first data payload and the first training sequence; transmitting the first signal in a MIMO timeslot from a first antenna of a network element; selecting a second training sequence, wherein the second training sequence is different from first training sequence; preparing a second data payload; generating a second signal including the prepared second data payload and the second training sequence; and transmitting the second signal in the MIMO timeslot from a second antenna of the network element. |
| US08737526B2 |
Predistortion of complex modulated waveform
Exemplary embodiments of the invention include a transmitter system configured to predistort an input signal to generate a target output signal. An exemplary transmitter system includes a forward path including a predistortion device coupled with an amplifier, the forward path configured for predistorting an input signal to the predistortion device in response to a phase error compensation signal and an amplitude error compensation signal in order to generate a desired output signal for the output signal of the amplifier, and a feedback path including a processor configured for generating the phase error compensation signal and the amplitude error compensation signal based on a comparison of the input signal with phase and amplitude information of the output signal of the amplifier, wherein the phase and amplitude information of the amplifier are transmitted to the processor on a single path of the feedback path. Other methods and apparatuses are also presented herein. |
| US08737511B2 |
Directed MIMO communications
A system is disclosed that includes a plurality of m antenna arrays configured to receive a propagating radio frequency signal. Each antenna array includes a plurality of antenna elements and a beamformer configured to produce n different bi-directional beams using the plurality of antenna elements. The system includes a plurality of n multiple-input multiple-output transceivers (MIMO). Each MIMO transceiver includes a MIMO receiver configured to accept m received signals, wherein the i-th input signal to the j-th MIMO receiver corresponds to the j-th beam of the i-th antenna array. Each MIMO transceiver also includes a MIMO transmitter configured to provide m transmit signals, wherein the v-th output signal from the z-th MIMO transmitter corresponding to the z-th beam of the v-th antenna array is selected for transmission. m, n, v, and z are integer number values, and i=1, . . . , m, j=1, . . . , n, and v=1, . . . m. |
| US08737510B2 |
Wireless communication system, device and method
A wireless communication system includes an inverse matrix calculating unit which uses an inverse matrix of a channel matrix of a first combination of L antennas (where L is an integer, 1≦L≦N) selected from the N antennas, so as to calculate an inverse matrix of a channel matrix of a second combination of L antennas selected from the N antennas through an arithmetic operation, and an antenna selecting unit which selects a combination of L antennas from the N antennas as L antennas to be used for communication, the selected combination determining a reference value for antenna selection related to the inverse matrix calculated by the inverse matrix calculating unit so that the reference value for antenna selection fits a successive interference cancellation process carried out for a signal transmitted from the L antennas of the selected combination. |
| US08737509B2 |
Wireless communication apparatus, wireless communication system and wireless communication method
In a MIMO system using a cross-polarized antenna structure, even if no ideal XPD can be obtained, the interference between different polarized waves can be reduced to allow an effective precoding to be executed. When a MIMO communication is performed between a transmitter (250) and a receiver (260) each using a cross-polarized antenna structure, a channel estimating and precoding selection section (214) of the receiver (260) performs a channel estimation of MIMO channels from the transmitter to the receiver, decides a precoding matrix (P) of a projection matrix for mutually orthogonalizing or substantially orthogonalizing the channel response matrixes for respective different polarized waves, and feeds the determined precoding matrix (P) back to the transmitter (250). In the transmitter (250), a precoding processing section (208) applies the precoding matrix (P) to the spatial stream corresponding to one of the polarized waves to perform a precoding, thereby allowing the transmitter (250) to transmit the polarized waves with the orthogonality therebetween maintained. |
| US08737507B2 |
Method for transmitting of reference signals and determination of precoding matrices for multi-antenna transmission
Determining transmitter antenna weights at a base station having more available transmit antennas than the available number of reference signals can be performed by transmitting reference signals and receiving channel feedback data derived by a mobile terminal from the reference signals. The reference signals are each assigned to one of two or more antenna groupings, wherein at least a first one of the antenna groupings includes two or more transmit antennas, and transmitted using at least one transmit antenna from the corresponding antenna grouping. A first beam-forming vector for the first one of the antenna grouping is determined, and mapping the one or more data streams to the transmit antennas according to a final precoding matrix that depends on the channel feedback data and the first beam-forming vector is performed, to obtain a weighted transmit signal for each of the antennas. |
| US08737505B2 |
Method and apparatus of codebook transformation for interference mitigation in codebook-based precoding
When a transmitter communicating with a first receiver interferes with an adjacent second receiver, the transmitter receives a reference signal from the second receiver in order to transform a codebook to mitigate interference in the second receiver. A channel with the second receiver is estimated through the received reference signal, and a receiving correlation matrix is calculated based on the estimated channel. The inverse of the receiving correlation matrix is calculated from the calculated receiving correlation matrix, and the codebook is transformed using the calculated inverse of the receiving correlation matrix. |
| US08737501B2 |
Interference mitigation for devices with multiple receivers
Methods and systems for mitigating interference or estimating a covariance matrix in a communication system are disclosed. In some embodiments, a method of demodulating a received signal in a communication system includes receiving a first plurality of waveforms, estimating a covariance matrix based on the first plurality of waveforms, determining a spatial filter based on the estimated covariance matrix, receiving a second plurality of waveforms, generating at least one filtered waveform by applying the spatial filter to the second plurality of waveforms, and demodulating the at least one filtered waveform. |
| US08737497B2 |
Estimating interference in multi channel systems
A method for estimating interference between a plurality of carrier signals in a multi-channel system including injecting pilot symbols into a first carrier signal and transmitting the first carrier signal, transmitting a second carrier signal, receiving at least the first carrier signal and the second carrier signal, and estimating interference between the received first carrier signal and the received second carrier signal based, at least in part, on measuring the received first carrier signal when a pilot symbol of the first carrier signal is received. A multi-channel communication system including a plurality of transmitters for a plurality of carrier signals, a pilot symbol injector for injecting silent pilot symbols into at least one of the carrier signals, a plurality of receivers for the plurality of carrier signals, and an interference estimator configured to estimate interference between at least two of the plurality of carrier signals based, at least in part, on receiving silent pilot symbols in at least one of the at least two of the plurality of carrier signals. Related apparatus and methods are also described. |
| US08737496B2 |
Channel quality estimation for MLSE receiver
A receive signal processor jointly detects a signal-of-interest with one or more other signals. The signal-to-interference-plus-noise ratio for the signal-of-interest is determined by computing per-subcarrier signal-to-interference-plus-noise ratios for a plurality of subcarriers carrying the signal-of-interest, computing per-subcarrier capacities for the subcarriers based on the per subcarrier signal to interference ratios, and computing a total signal-to-interference-plus-noise ratio for the subcarriers based on the per-subcarrier capacities of the subcarriers. |
| US08737494B2 |
Method and system for quantization for a general beamforming matrix in feedback information
Aspects of a method and system for utilizing Givens rotation expressions for quantization for a general beamforming matrix in feedback information. In one aspect of the invention, feedback information is computed at the receiving MIMO wireless device based on a geometric mean decomposition (GMD) method. The feedback information may include a matrix that describes a wireless medium. The matrix may represent a multiplicative product of at least one rotation matrix and at least one diagonal phase rotation matrix. Each of the rotation matrices may include at least one matrix element whose value is based on Givens rotation angle. The transmitting MIMO wireless device may subsequently transmit a plurality of signals via the wireless medium based on the received matrix information. The signal strength and/or signal to noise ratio (SNR) measurement (as measured in decibels, for example) associated with each of the transmitted plurality of signals may be about equal. |
| US08737492B1 |
Methods, systems and circuits for cancelling reflections on a channel
Methods, systems, and circuits cancel a reflection on a channel. A main signal conditioning module improves the quality of a signal for transmission on a channel. In addition, a reflection cancellation module generates a signal that cancels reflections generated on the channel in order to improve the quality of the transmitted signal for a receiver. A summer combines an output signal from the main signal conditioning module and the reflection cancellation module. |
| US08737490B1 |
Analog-to-digital converter based decision feedback equalization
The present disclosure relates to a method for analog-to-digital converter based decision feedback equalization. The method may include providing an integrated circuit including a SerDes circuitry having a transmit circuitry and a receiver circuitry. The method may further include receiving a high-speed data stream at the receiver circuitry and converting the high-speed data stream to a digital signal using a successive approximation analog-to-digital converter. The method may also include providing the digital signal to a digital decision feedback equalization circuitry via the successive approximation analog-to-digital converter. |
| US08737487B2 |
Information processing apparatus
An information processing apparatus includes a first processing circuit having a capability of decoding encoded stream data input to the first processing circuit and a capability of detecting tampering on encryption information, the first processing circuit being configured to, if tampering is detected, add a tamper flag to the tampered data, a second processing circuit configured to perform a predetermined process on data output from the first processing circuit, and, if the data includes the tamper flag, add tamper information indicating the fact being subjected to tampering to the processed data, and a third processing circuit configured to receive data output from the second processing circuit and process the received data such that when the received data does not include tamper information, the received data is processed in a normal manner, but when the received data includes tamper information added thereto, the received data is processed differently from the normal manner. |
| US08737486B2 |
Objective image quality assessment device of video quality and automatic monitoring device
An objective image quality assessment device of a video quality for estimating a subjective image quality from compressed bit stream is provided. The device includes a macro-block layer parameter analyzer for acquiring a quantizer scale size defined with respect to each macro-block and a coding type of a slice from a compressed bit stream, an orthogonal transformation coefficient in each macro-block, and a reference frame number in the macro-block applied with a motion compensating prediction, an average quantizer scale calculator for obtaining an average in a sequence of the quantizer scale size for every coding type of the slice, a spatial degradation feature calculator and a temporal degradation feature calculator for obtaining a spatial degradation feature and a temporal degradation feature, in each macro-block, and an image feature integrator for deriving the objective image quality based on the features obtained in the calculators. |
| US08737485B2 |
Video coding mode selection system
A video system is provided including applying a transform to a picture for generating a transformed block of the picture; determining a type of the picture; selecting a coding mode with the transformed block based on the type of the picture; and applying the coding mode to the picture for encoding and displaying the picture. |
| US08737483B2 |
Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding
A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention discloses a system that allows the relative timing of nearby video pictures to be encoded in a very efficient manner. In one embodiment, the display time difference between a current video picture and a nearby video picture is determined. The display time difference is then encoded into a digital representation of the video picture. In a preferred embodiment, the nearby video picture is the most recently transmitted stored picture. For coding efficiency, the display time difference may be encoded using a variable length coding system or arithmetic coding. In an alternate embodiment, the display time difference is encoded as a power of two to reduce the number of bits transmitted. |
| US08737480B2 |
Joint spatial and temporal block merge mode for HEVC
In one embodiment, a spatial merge mode or a temporal merge mode for a block of video content may be used in merging motion parameters. Both spatial and temporal merge parameters are considered concurrently and do not require utilization of bits or flags or indexing to signal a decoder. If the spatial merge mode is determined, the method merges the block of video content with a spatially-located block, where merging shares motion parameters between the spatially-located block and the block of video content. If the temporal merge mode is determined, the method merges the block of video content with a temporally-located block, where merging shares motion parameters between the temporally-located block and the block of video content. |
| US08737479B2 |
Encoding mode pruning during video encoding
A method for encoding a first set of pixels in a first image in a sequence of images is described. From a set of encoding modes, the method selects a first mode for encoding the first set of pixels. The method then determines whether encoding the first set of pixels in the first mode satisfies a set of quality criteria. The method foregoes encoding the first set of pixels in a second mode from the set of encoding modes, when the first mode encoding satisfies the set of quality criteria. The method also provides a video encoding method that examines several different methods for encoding a set of pixels in a first image. From a list of possible encoding modes, the method eliminates a set of encoding modes that are not likely to provide a suitable encoding solution. The method then examines different encoding solutions based on the remaining encoding modes in the list. |
| US08737472B2 |
Motion vector regions
Coding techniques for a video image compression system involve improving an image quality of a sequence of two or more bi-directionally predicted intermediate frames, where each of the frames includes multiple pixels. One method involves determining a brightness value of at least one pixel of each bi-directionally predicted intermediate frame in the sequence as an equal average of brightness values of pixels in non-bidirectionally predicted frames bracketing the sequence of bi-directionally predicted intermediate frames. The brightness values of the pixels in at least one of the non-bidirectionally predicted frames is converted from a non-linear representation. |
| US08737469B1 |
Video encoding system and method
A method for encoding macroblock units of a video image, and a related system are disclosed. The method includes: receiving the video image; generating a plurality of information types of a first macroblock unit; and storing the information types of the first macroblock unit in a continuous address space in the buffer. The system includes: an encoder, for receiving the video image, and generating a plurality of information types of a first macroblock unit; and a buffer, coupled to the encoder, for storing the information types of the first macroblock unit in a continuous address space in the buffer. |
| US08737466B2 |
Method and system for improving compressed image chroma information
Methods, systems, and computer programs for improving compressed image chroma information. In one aspect of the invention, a resolution for a red color component of a color video image is used that is higher than the resolution for a blue color component of the color video image. Another aspect includes utilizing a lower or higher value of a quantization parameter (QP) for one or more chroma channels as compared to the luminance channel. Another aspect is use of a logarithmic representation of a video image to benefit image coding. Another aspect uses more than two chroma channels to represent a video image. |
| US08737464B1 |
Adaptive quantization for perceptual video coding
In one embodiment, a perceptual video coder obtains local video content, and calculates a feature index for each of one or more features of a video unit of the local video content. Each feature index is then directly mapped to a delta quantization parameter (QP) using a linear fractional model that explicitly establishes a relation between the delta QP and a Human Visual System (HVS) insensitivity index, e.g., where the delta QP is set based on a comparison between a local strength of the HVS insensitivity index and an overall strength of a particular frame of the local video content. Accordingly, a QP of an adaptive quantization may be refined by adding to it each delta QP, such that adaptive quantization may be performed on the video unit based on the refined QP. |
| US08737461B2 |
Receiving equalization device in communication system and receiving equalization method
Disclosed are a receiving equalization device and a method thereof, the receiving equalization device including a subtracter to output a first output signal, an eye monitor block to obtain a sampling timing by using the output first signal, and a slicer to generate a sampling signal by sampling the first output signal based on the sampling timing, and to return the generated sampling signal to the subtracter via a feedback filter or an algorithm determining block. |
| US08737460B2 |
Equalizer and detector arrangement employing joint entropy-based calibration
An equalizer configured to receive a data signal from a channel. The detector is coupled to the equalizer, and a calibration unit is coupled with the equalizer and the detector. The calibration unit is configured to jointly calibrate the equalizer and the detector using a metric subject to an entropy-preserving equalizer constraint. |
| US08737459B2 |
Transmitter equalizer optimization
A transmitter includes an equalizer for conditioning a data signal in response to a first and a second equalizer setting. The first and second equalizer settings are both associated with a selected point on a two-dimensional search grid. The search grid includes a first equalizer setting and a second equalizer setting for each point on the search grid. The transmitter transmits a data signal across a first channel medium using settings associated with a selected point on the search grid. A receiver analyzes the received signal from the transmitter to determine a signal quality metric. The search grid is used to select settings from neighboring points to produce signals that are evaluated to produce signal quality metrics. The results of the evaluations are used to efficiently search the search grid for optimum equalizer settings for the transmitter. |
| US08737456B2 |
Mixed-mode signaling
Methods and apparatus are disclosed, such as those involving mixed-mode signaling that includes transmitting a differential signal and a common mode signals over the same pair of interconnect traces. One such apparatus includes a first transmitter configured to transmit a differential signal through a pair of electrically conductive lines in a first direction. The differential signal has a first frequency and carries electronic data. The apparatus further includes a second transmitter configured to transmit a common mode signal through the pair of electrically conductive lines in the first direction. The common mode signal is superimposed onto each of the differential signal. The common mode signal has a second frequency that is lower than the first frequency and carries a control signal. This configuration reduces the number of lines and pins on electronic circuits, thereby saving space thereon. |
| US08737453B2 |
Contactless communication device, contactless IC card, and mobile information terminal
There is included a detection unit for detecting a magnitude of a surplus of a direct current to a source voltage generated by a voltage generation unit generating the source voltage from the direct current obtained by rectifying a signal inputted from an antenna terminal. A data processing unit operating at the source voltage and performing data processing on a transmission/reception signal includes a clock control unit for determining a frequency of a clock signal for the data processing based on the magnitude of the surplus current detected by the detection unit in a state where a frequency of the clock signal is set to a predetermined reference frequency. Since the power consumed by the data processing unit at the time of detecting the surplus of the direct current is determined by the specific reference frequency, the surplus of the direct current can be detected as an absolute surplus. |
| US08737452B2 |
Identification and isolation of radio signals for a wireless location system
In an overlay, network-based, Wireless Location System, LMUs typically co-located with BTSs, are used to collect uplink radio signaling for use in TOA, TDOA and/or AoA positioning methods. In a UMTS, the dual nature of the uplink allows for identification of the correct uplink signal even in the presence of co-channel interference from other UMTS mobile devices. |
| US08737451B2 |
MMSE MUD in 1x mobiles
Systems and methodologies are described that facilitate equalizing inter-sector interference and performing interference cancellation on a forward link by utilizing a combination of pilot interference cancellation followed by selective interference cancellation. Selective interference cancellation can be performed using, for instance, a reduced-rank minimum mean-squared error multi-user detection receiver. A system matrix can be reduced by the combined cancellation protocols, and can be further reduced by performing a fast Hadamard transform there on, which in turn can minimize matrix complexity, as well as computational overhead associated with processing the system matrix. |
| US08737442B2 |
Driver circuit for laser diode outputting pre-emphasized signal
A shunt driver for driving an LD is disclosed. The shunt driver has the push-pull arrangement with the high side driver and the low side driver. The high side driver is driven by a positive phase signal superposed with a negative phase signal with a delay and a less amplitude with respect to the positive phase signal. The low side driver is driven by a negative phase signal superposed with a positive signal with a delay and a less amplitude compared to the positive phases signal. Adjusting the magnitude of the superposed signals, the driving current for the LD has the peaking in the rising and falling edges thereof. |
| US08737441B2 |
Cooling module for laser, fabricating method thereof, and semiconductor laser fabricated from the module
This invention relates to semiconductor lasers, and more particularly, to a cooling module for fabricating a liquid-cooled semiconductor laser, a fabricating method, and a semiconductor laser fabricated from the module, wherein the cooling module for a laser makes use of a liquid cooling plate provided with radiating fins to cool the semiconductor chip. After replacement of the traditional micro-channel structure with the radiating fin structure, the present invention effectively reduces the resistance to flow of the cooling liquid, remarkably lowers the pressure decrease of the cooling liquid, makes it easier to seal the cooling liquid, provides stronger heat dissipating capability, effectively elongates the lifetime of the semiconductor laser, and enhances the output power and reliability of the semiconductor laser, alongside the advantages of simple fabrication and low production cost. |
| US08737436B2 |
Remote transmission system
A transmission apparatus includes a plurality of modems, which are configured to communicate via respective wireless communication channels and includes at least first and second modems configured to communicate respectively over separate first and second wireless communication networks. The transmission apparatus also includes a stream processor, which is configured to receive and process an incoming media stream so as to provide multiple upload streams for transmission by different ones of the modems, including first and second upload streams for transmission by the first and second modems, respectively. |
| US08737435B2 |
Encoder, decoder, encoding method, and decoding method
An encoder includes a precoder for encoding an input information object according to a preset encoding scheme and storing the encoded information object in a precoder buffer, a sample number/address generation unit for generating a sample number of each sample and an address, which corresponds to each bit of each sample and the address of the precoder buffer, a multiplexer for selecting a bit of the precoder buffer corresponding to the address generated by the sample number/address generation module, a sampling buffer for storing a bit of each sample output from the multiplexer, a control packet generation module for generating a control packet including information on the sample number generated by the sample number/address generation module, a packet assembling unit for assembling the sample stored in the sampling buffer with the control packet generated by the control data generation module, and a modulation module for modulating the packet output from the packet assembling unit into a sound signal according to a preset scheme. |
| US08737434B2 |
PCR clock recovery in an IP network
An IP network includes a central entity and at least one customer premises equipment (CPE) device. The central entity generates a program clock reference (PCR) clock and provides audio-visual packets to a CPE based on the PCR clock. The CPE sets a first clock based on the PCR clock for decoding operations. The CPE sets a second clock that is independent from the first clock for audio and video output operations. For example, the CPE can process the audio-visual packets using the second clock. |
| US08737430B2 |
Determining maximum bandwidth in a mixed version MoCA deployment
A method, performed by a computer device, may include identifying Multimedia over Coaxial Alliance nodes associated with a customer's network; querying particular pairs of the identified Multimedia over Coaxial Alliance nodes for physical rates to obtain reported physical rates for the particular pairs of the identified Multimedia over Coaxial Alliance nodes; and querying particular ones of the identified Multimedia over Coaxial Alliance nodes for supported Multimedia over Coaxial Alliance versions. The method may further include determining a maximum bandwidth for the customer's network based on the reported physical rates and based on the supported Multimedia over Coaxial Alliance versions. |
| US08737429B2 |
Bandwidth recycling in networks
A method for use in a broadband wireless access protocol (such as IEEE 802.16 or Long Term Evolution (LTE)) includes scheduling by a base station a stand-by subscriber station for each subscriber station with uplink (UL) transmission opportunities, transmitting by the base station and over the network, a list of each of the stand-by subscriber stations, determining by the stand-by subscriber stations if there is unused bandwidth reserved for the corresponding subscriber station, communicating to the base station that there is the unused bandwidth, and releasing the unused bandwidth for use by the stand-by subscriber station. |
| US08737426B1 |
High speed embedded protocol for distributed control system
A control network communication arrangement includes a second protocol embedded into a first protocol in a way that modules supporting the second protocol may be aware of and utilize the first protocol whereas modules supporting only the first protocol may not be aware of the second protocol. Operation of modules using the second protocol does not disturb operation of the modules not configured to use or understand the second protocol. By one approach, the messages sent using the second protocol will be seen as messages sent using the first protocol but not having a message necessary to understand or as needing a particular response. In another approach, modules using the second protocol can be configured to send message during transmission of first protocol messages by other modules, the second protocol messages being trigger off of expected aspects of the message sent under the first protocol. |
| US08737425B2 |
Method and apparatus for media access in contention-based networks
A method and apparatus are described for gaining access to a communication medium in a contention-based network, including determining a slot count based on a number of stations in the contention-based network, adjusting the slot count, initiating a frame transmission when the slot count reaches a predetermined value and wherein said number of stations and an address queue are adjusted to reflect one of a priority and traffic patterns. Further, a method and apparatus are described for gaining access to a communication medium in a contention-based network, including receiving a slot count based on a number of stations in the contention-based network, adjusting the slot count, initiating a frame transmission when the slot count reaches a predetermined value and wherein said number of stations and an address queue are adjusted to reflect a priority. |
| US08737422B2 |
Method for processing a resource reservation request and related device and node device
A method and apparatus are provided for processing a delayed resource reservation request in an optical telecommunication network for transferring data between a source device and a destination device, wherein the control plane is different from the transfer plane. Upon a node device of the network receiving the resource reservation request sent from the source device to the destination device via a path including at least one node device, the request containing at least one first parameter relating to the start of the connection at the source device, the method includes the following steps: obtaining information relating to a signal transfer time via the path up to an upstream node device; updating the information by adding a signal transfer time at the intermediate equipment; and calculating a date for the start of the resource reservation at the node device using the value of the first received parameter and the information. |
| US08737417B2 |
Lock-less and zero copy messaging scheme for telecommunication network applications
A computer-implemented system and method for a lock-less, zero data copy messaging mechanism in a multi-core processor for use on a modem in a telecommunications network are described herein. The method includes, for each of a plurality of processing cores, acquiring a kernel to user-space (K-U) mapped buffer and corresponding buffer descriptor, inserting a data packet into the buffer; and inserting the buffer descriptor into a circular buffer. The method further includes creating a frame descriptor containing the K-U mapped buffer pointer, inserting the frame descriptor onto a frame queue specified by a dynamic PCD rule mapping IP addresses to frame queues, and creating a buffer descriptor from the frame descriptor. |
| US08737411B2 |
Delivery delay compensation on synchronised communication devices in a packet switching network
The present invention relates to the synchronizing of equipment, and more precisely to the transporting of synchronization signals via a communication network with a view to inter-synchronizing the equipment. The invention concerns a reference station able to deliver packets in a packet switching network to communication devices connected to the network. According to the invention, the reference station comprises means for inserting at least a temporal offset in said packets, wherein said temporal offset describes data delivery duration on a pre-determined path of said network. The invention relates also to a sending communication device and to a receiving communication device. |
| US08737410B2 |
System and method for high-performance, low-power data center interconnect fabric
A system and method are provided that support a routing using a tree-like or graph topology that supports multiple links per node, where each link is designated as an Up, Down, or Lateral link, or both, within the topology. The system may use a segmented MAC architecture which may have a method of re-purposing MAC IP addresses for inside MACs and outside MACs, and leveraging what would normally be the physical signaling for the MAC to feed into the switch. |
| US08737404B2 |
Non-transitory computer readable storage medium, information communication device and method
A method for linking between a first information communication device and a second information communication device in wireless communication. The method includes transmitting, by the first information communication device executing any one of a station function and an access point function of wireless communication, information for a connection to the second information communication device executing the other function and storing, by the second information communication device, received information. The method also includes requesting, by the first information communication device, the second information communication device to transmit the information and storing, by the first information communication device, the received information. |
| US08737400B2 |
Data stream processing for seamless stream switching
Presented herein are system(s), method(s), and apparatus for rapid switching between streams of data. In one embodiment, there is described a circuit for providing media. The circuit comprises a multiplexed stream processor, a queue, and a decoder. The multiplexed stream processor receives a multiplexed stream and filtering at least one elementary stream. The queue queues the at least one elementary stream. The decoder decodes the at least one elementary stream. The multiplexed stream processor filters at least another elementary stream instead of at least one elementary stream after issuance of a command to switch from the at least one elementary stream to the at least another elementary stream. The queue stores a portion of the at least one elementary stream after issuance of the command, said portion of the at least one elementary stream being written into the queue before issuance of the command. The decoder decodes the portion of the at least one elementary stream and the at least another elementary stream. |
| US08737399B2 |
Enhanced hierarchical virtual private local area network service (VPLS) system and method for Ethernet-tree (E-Tree) services
A network apparatus comprising a trunk end point associated with an Ethernet-tree (E-Tree) service in a network domain and configured to forward a frame that comprises a tag according to the tag in the frame, wherein the tag in the frame is a root tag that indicates a root source of the frame or a leaf tag that indicates a leaf source of the frame, and wherein the trunk end point is coupled to a second end point associated with the E-tree service outside the network domain. |
| US08737389B2 |
Egress clock domain synchronization to multiple ingress clocks
Synchronization techniques for multiple clock domains from two or more clients or common pluggable interfaces connected to multiple interfaces on one or more ingress line cards to multiple interfaces on one or more egress line cards are provided. The plurality of clock domain information from the clients that are connected on the ingress side is transmitted to the egress line cards. Two or more egress interfaces generate different clocks that are synchronized to the multiple clock domains. |
| US08737383B2 |
Techniques for enhanced persistent scheduling with efficient link adaptation capability
An embodiment of the present invention provides a method, comprising, enhancing persistent scheduling with efficient link adaptation capability by grouping Voice over internet Protocol (VoIP) users and using an intelligent bitmap mechanism to compactly represent persistent allocations for the users within the group. |
| US08737379B2 |
Methods and devices for performing synchronization and compensating clock drift among communication devices
In order to perform synchronization and compensate clock drift among a plurality of communication devices interconnected to form a mesh communications network, all communication devices, except one given communication device, perform a first distributed consensus-based synchronization. The given communication device performs: obtaining a first correction information derived at least from a difference between a clock timing resulting from the first distributed consensus-based synchronization and a reference clock timing; and transmitting the first correction information through the mesh communications network. All the communication devices, except said given communication device, further perform updating the clock timing resulting from the first distributed consensus-based synchronization by taking into account the transmitted first correction information. |
| US08737377B2 |
Radio apparatus
A plurality of antennas respectively conveys burst signals that use a plurality of subcarriers and contain control information for communications. When a plurality of subcarriers are used, a cyclic time shifting in a cycle in time domain is executed, per antenna, with a time-shift amount corresponding to each of the plurality of antennas. A control unit generates the burst signals informed from the plurality of antennas by complying with this rule. The control unit generates the burst signals by varying time shift amounts corresponding respectively to the plurality of antennas. |
| US08737370B2 |
Methods and apparatuses for direct link setup
Establishing a direct link connection between subscriber stations in a wireless local area network (WLAN) comprises transmitting a direct link setup discovery request from an initiating station to an access point of the WLAN for distribution to one or more other stations, the discovery request including information concerning a capability of the initiating station for a direct link setup, receiving information from a receiving station among the one or more other stations, the received information concerning the capability of the receiving station for a direct link setup, and establishing a direct link connection with the receiving station based on the received information. |
| US08737368B2 |
Method, apparatus and system for switching traffic streams among multiple frequency bands
Devices, systems and methods may provide control of traffic streams before transition to another frequency band, during a transition and after a transition is completed and the devices are active in the other frequency band or in multiple frequency bands. The provided solution cover the transparent mode when the devices have the same Medium Access Control (MAC) addresses in both frequency bands and the non-transparent mode when at least one of the communicating devices has different MAC addresses in the different frequency bands. |
| US08737364B2 |
Wireless communication system, wireless transmitting apparatus, wireless receiving apparatus, wireless transmission method, and wireless reception method
The channels of A-EUTRA component carriers on which the mobile station devices of EUTRA do not stand by are configured without almost changing the conventional EUTRA channel configurations. A wireless transmitting apparatus, which performs radio transmission to a plurality of wireless receiving apparatuses by assigning one or more component carriers to a downlink, includes a control channel element processing section 17 for performing, for each component carrier, processing of changing a structure of downlink control channel used to transmit control data for each wireless receiving apparatus. The control channel element processing section 17 associates the modulated symbols output from a downlink control channel processing section 16, with control channel element indexes, rearranges resource element groups constituting control channel elements, and outputs them to a multiplexing section 19. |
| US08737362B2 |
Methods, systems, and computer readable media for interference-minimizing code assignment and system parameter selection for code division multiple access (CDMA) networks
A method for interference-minimizing code assignment and system parameter selection for code division multiple access (CDMA) networks is disclosed. The method is performed at a base station or mobile station configured to operate in a CDMA radio network. The method includes receiving transmissions from user devices seeking to access the CDMA radio network. A spreading code is selected for a first user device seeking to access the network, using at least one cross-correlation parameter, to reduce multiple access interference between communications involving the first user device and other devices using the CDMA network. The method does not require knowledge of the active user codes or even the codebook from which these codes are assigned. Furthermore, it does not require knowledge of bit or chip epoch or the received powers of active users. However, the method can benefit from such knowledge in several ways, examples of which are disclosed. A method for explicitly estimating the bit or chip epoch is also disclosed. |
| US08737357B2 |
Cell-to-WiFi switcher
A user is enabled to seamlessly switch between networks and/or devices, during a content delivery session. A network change detection component can determine when the user switches from one network to another. Further, a context management component is employed that stores a context state of the content delivery session on the first network when a change in network is detected. The context state is employed to seamlessly resume content delivery on the newly connected network and continue the content delivery session. |
| US08737355B2 |
Taking control of subscriber terminal
Taking control of a subscriber terminal. An apparatus comprises a processor configured to cause the apparatus: to control a first stand-alone base station utilizing a first radio access technology RAT to form an emulated first RAT cell and to set parameters of the emulated first RAT cell such that the emulated first RAT cell becomes a tempting destination for a cell reselection by a subscriber terminal utilizing the first RAT; to control a second stand-alone base station such that a formed emulated second RAT cell becomes a preferred destination for a cell reselection; to control the first stand-alone base station so that the ongoing radio connection with the serving cell base station utilizing the first RAT is transferred to continue with the first stand-alone base station utilizing the first RAT; and to control the first stand-alone base station to perform inter RAT cell reselection with the subscriber terminal. |
| US08737353B2 |
Methods and apparatus for RF handoff in a multi-frequency network
Methods and apparatus for RF handoff in a multi-frequency network include selecting an RF channel from wide and local seamless and partially seamless handoff tables. A method includes generating seamless and partially seamless handoff tables RF channels, and selecting an RF channel for a handoff so that RF channels with common wide content are given higher priority over RF channels with common local content. |
| US08737351B2 |
Methods and systems for reducing MAC layer handoff latency in wireless networks
In accordance with the present invention, computer implemented methods and systems are provided for reducing handoff latency in a wireless network. In response to detecting that a handoff is necessary, the present invention uses a selective scanning algorithm that includes the use of a channel mask and/or a caching algorithm for detecting one or more new access points. |
| US08737349B2 |
Handover process and information support for communication transfer between telecommunication networks
An automatic and network-transparent “handover convenience information support” method for a subscriber of a primary communications process in which an handover takes place—wherein this handover process can comprise arbitrary times prior or after the “actual handover”.“Convenience information support” means that this PTCP-SUBC has not necessarily requested the convenience information, but he nevertheless regards this then unasked-for support as convenient or helpful, such as for example a passenger on a flight regarding associated announcements/references/measures at the departure or arrival airport. As opposed to such often uniform measures the convenience information is as a rule individually configurable by someone affected by it. The convenience support information for a subscriber takes place by transferring to him relevant information as regards this actual handover—which can be potential or current or retrospective—during the handover-process which was supplied for this by at least one non-human module in at least one system of at least one secondary telecommunications process. |
| US08737347B2 |
Pilot and channel estimation method for SDMA MIMO transmission downlink
A pilot and channel estimation method for SDMA MIMO transmission downlink is provided in the present invention, and the method provides possibility for saving the orthogonal pilot resources; the pilot signals of different users in the transmitting antenna domain can occupy the same time-frequency resources, and thereby the pilot overhead of system resources can be reduced greatly; the method includes: for the MIMO transmission downlink that employs pre-coding for SDMA, taking the quantity of orthogonal pilot resources occupied by the users in the pre-coding domain as the number of data streams that can be transmitted or the number of spatial dimensions occupied first, at the transmitting end of the base station; then, performing SDMA transmission pre-coding for the orthogonal pilots in the pre-coding domain in the same way as the data signals, to obtain the pilot signals of the users in the transmitting antenna domain; wherein, the pilots of the users in the pre-coding domain can be orthogonal in the frequency domain or code domain, and the pilots of different users in the pre-coding domain can be identical or not identical to each other; the pilot signals of different users in the transmitting antenna domain can occupy the same time-frequency resources. |
| US08737345B2 |
Dynamic function slot assignment in intra-vehicular wireless networks
A wireless transmission method includes providing a commanding node and a plurality of sub-networks. Each of the sub-networks includes at least one responding node. Corresponding ones of a plurality of time slots are assigned to individual ones of the sub-networks based on at least one operational characteristic of the sub-networks. The time slots are disposed within a plurality of frequency channels. Communication is conducted between the commanding node and the sub-networks within the assigned time slots of the sub-networks. |
| US08737342B2 |
Arrangement and method for improving HARQ feedback in telecommunication systems
A method for execution on an apparatus configured to operate in a telecommunications network comprising a processor, wherein said processor is configured to execute said method, said method comprising encoding a plurality of uplink feedback information elements for carrier aggregation, by a set of codewords where each codeword comprises a channel, wherein at least two information elements have the same channel distribution. |
| US08737340B2 |
Power control method and base station
A power control method and a base station are disclosed. The method includes obtaining, by a base station, INPUCCH(i). The INPUCCH(i) is an average interference noise power of a physical uplink control channel (PUCCH) carried by radio resources that are allocated by the base station at a subframe i. The base station sends a parameter P0—NOMINAL—PUCCH(i) for power control at the subframe i. |
| US08737339B2 |
Antenna weighting in relation to transmissions from two cells
The invention concerns a method and an antenna weight determining device (37) for improving handling of two data streams sent in downlink data communication channels to a user equipment (14) via a first and a second cell of a wireless communication network, where the antenna weight determining device comprises a unit (38) for processing data obtained in relation to communication signals sent at least between at least one of the second cells and the user equipment, and a unit (41) for determining an antenna weight to be applied by the second cell based on the processing. |
| US08737335B2 |
Reference signal transmission scheduling device and reference signal transmission scheduling method
A reference signal transmission scheduling device, which performs scheduling on uplink transmission of a reference signal (SRS) from a mobile terminal to a base station in a wireless communication system, is designed to appropriately allocate an SRS transmission resource to the mobile terminal in consideration of the current circumstances of the mobile terminal. Herein, the maximum value of an SRS bandwidth is calculated based on the maximum transmission-enabled power of the mobile terminal, while the minimum value of the SRS bandwidth is calculated based on the mobility of the mobile terminal. Additionally, the SRS bandwidth, which is actually used by the mobile terminal subjected to SRS transmission resource allocation, is determined within the range between the maximum value and the minimum value of the SRS bandwidth. |
| US08737334B2 |
Method for transmitting a sounding reference signal in an uplink comp communication system, and apparatus for same
The present invention relates to a method for transmitting a sounding reference signal from a terminal in an uplink coordinative multi-point (CoMP) communication system. Specifically, the method comprises the steps of: receiving parameters for transmitting a sounding reference signal from a serving base station included in a CoMP set; assigning a resource for the sounding reference signal on the basis of the parameters; and transmitting the sounding reference signal to the serving base station included in the CoMP set and to at least one neighboring base station according to the assigned resource, wherein basis sequences of the parameters for the sounding reference signal are different for base stations included in the CoMP set. |
| US08737333B2 |
Method of power reporting and communication device thereof
A method of power reporting for a mobile device configured with a plurality of uplink component carriers and/or parallel PUCCH and PUSCH transmission in a wireless communication system is disclosed. The method comprises being configured a maximum output power for at least a uplink component carrier, determining to start or stop a maximum output power reporting for the at least a uplink component carrier according to a characteristic associated to the mobile device or a network of the wireless communication system, and reporting the maximum output power for the at least a uplink component carrier to the network when the maximum output power reporting is triggered and the maximum output power reporting is started. |
| US08737323B2 |
Method and apparatus for using direct wireless links and a central controller for dynamic resource allocation
A method and apparatus for short range multi-device communications in personal area networks (PANs) using ultraviolet bands. |
| US08737322B2 |
Method of exchanging data between a base station and a mobile station
The present invention relates to a method of exchanging data between a first station and a second station, said data being exchanged in packets. Said method comprises the steps of: receiving a packet from the second station; decoding said packet; —determining whether to transmit to the second station a resource allocation message on a signalling channel; if a said resource allocation message is transmitted, further transmitting to the second station a first indicator signal on an indicator channel; if both the decoding has not been successful and the said resource allocation message is not transmitted, transmitting to the second station a second indicator signal on the indicator channel. |
| US08737319B2 |
Method and apparatus for reducing map overhead in a broadand wireless communication system
A Base Station (BS) includes an apparatus is configured to reduce a MAP overhead in a broadband wireless communication system. The BS operation method for reducing an overhead in a broadband wireless communication system includes transmitting control information for initial transmission and changing first information among the control information transmitted at the initial transmission into second information needed at a retransmission time when there is a retransmission request for the initial transmission. The BS also transmits control information for retransmission including the second information. |
| US08737318B2 |
Service models for roaming mobile device
A method for providing cellular access to a mobile device when the device is out of a home network operated by a home wireless service provider. The method includes presenting an option to initiate a process to establish a temporary roaming agreement between the home wireless service provider and a foreign wireless service provider operating a foreign network in a location of the mobile device outside of the home network. The method also includes receiving a selection of the option, accessing a web application associated with a negotiation server in response to the selection, providing subscriber credentials to the negotiation server for use by the negotiation server to negotiate the temporary roaming agreement, and allowing the mobile device to access a foreign network operated by the foreign wireless service provider in accordance with the temporary roaming agreement. |
| US08737310B2 |
Method and apparatus for base stations and their provisioning, management, and networking
In wireless system, a group of Base station (BTSs) with smaller footprints have the capability to communicate with each other as well as with the BTSs with relatively larger footprints via wireless air-interfaces. One of such example is coordinated cell systems. A coordinated cell system comprises a group of coordinated cell base stations that have the capability to communicate with each other as well as with relevant macro cell or Pico cell base stations via wireless air-interfaces. Each coordinated cell BTS consists of an over the air control unit in addition to the conventional coordinated cell BTS system. A set of protocols in the form of messages and database are also defined to enable the networking capability. This enables enhancement in performing a variety of tasks by coordinated cell systems, including interference management and coordination, registration and authentication, quality of service coordination, installation and maintenance, location services, etc. |
| US08737309B2 |
Data packet transmission process based on a HARQ scheme for minimizing transmission power
The invention relates to a data packet transmission process in a communication system comprising at least one terminal (UE) communicating with a base station (BS), the process comprising at least one transmission (S4) of the data packet with a given power, from the terminal to the base station based on a HARQ scheme to obtain a residual packet error rate PERres after a number of transmissions Trn, the process being characterized in that it comprises a step (S) for the joint selection of the following parameters: the number of transmissions Trn; the target packet error rate PERtg(i) of each transmission i, where i=1, . . . , Trn, to arrive at the residual packet error rate PERres; and the modulation and coding scheme m corresponding to each target packet error rate PERtg(i) so as to minimize the data packet transmission power. |
| US08737305B2 |
Method for allocating resources in broadband wireless access system
A method and apparatus for efficiently allocating resources to a terminal in a random access system are provided. A method for transmitting an abnormal power down report from a Machine to Machine (M2M) device in a wireless communication system may include transmitting a Bandwidth Request (BR) preamble sequence and a first message to a base station, receiving an uplink resource allocation from the base station, transmitting the abnormal power down report using the uplink resource allocation, and starting a first timer for confirmation of the transmitted abnormal power down report, wherein the first message may include an identifier of the M2M device and a BR index for transmitting an abnormal power down report. |
| US08737303B2 |
Method and apparatus for transmitting information about a channel in a wireless communication system
Provided are a method and apparatus for the feedback of channel information in a wireless communication system. User equipment transmits a recommended rank to a base station. The user equipment receives, from the base station, an indicating rank that has been determined in consideration of the recommended rank, and transmits a channel status determined on the basis of the indicating rank to the base station. |
| US08737301B2 |
Channel quality feedback signaling in communication systems
The invention relates to a message for reporting a channel quality of a communication system, a corresponding method and apparatuses performing such method. The invention is inter alia applicable to a 3GPP LTE and LTE-A system as standardized by the 3rd Generation Partnership Project (3GPP). The invention provides a structure (message) that allows conveying channel quality information in a manner allowing an unambiguous identification of the size channel quality information. This is achieved by defining a message comprising a first channel quality field consisting of a known number of bits, and a second channel quality field consisting of a variable number of bits. The number of bits and structure (of the content of the bits) of the second channel quality field is indicated by the content of the bits of the first channel quality field. |
| US08737294B2 |
Apparatus and method for handling RLC retransmission failure according to activation status of security mode
An apparatus and method for a radio resource control (RRC) protocol to re-establish connection in a mobile communication system environment are disclosed. A user equipment (UE), for performing connection re-establishment in a connected state with connection to a mobile communication system is provided. When a network problem occurs, the UE shall proceed with the RRC protocol connection re-establishment procedure if the security has been activated. However, if the security has not been activated and the Radio Link Control (RLC) protocol indicates the maximum number of re-transmission has been reached, the UE shall reset lower layers of the RRC protocol, release unnecessary radio resources, and indicate the release of the RRC protocol connection to upper layers of the RRC protocol. Then the UE enters the idle state and waits for the next trigger event. |
| US08737290B2 |
Performance enhancement protocol, systems, methods and devices
A method, operative in a framework which uses a packet-based voice communications scheme and in which at least some of the communication takes place via a satellite link. The method includes establishing a first session between a calling party and proxy using a first protocol, wherein the calling party communicates with the proxy via the satellite link; and establishing a second session between the proxy and a called party using a second protocol distinct from the first protocol, and providing communications from the calling party to the second party and from the second party to the first party. |
| US08737289B2 |
Method for transmitting and receiving signal of relay in radio communication system supporting multiple carriers
Disclosed herein is a radio communication system, and more particularly, to a method and apparatus for transmitting and receiving a signal on a backhaul link and an access link of a relay in a radio communication system supporting multiple carriers. The method for transmitting and receiving a signal in a relay node operating on multiple carriers includes receiving a control channel from a base station, determining the type of the control channel, determining an in-band operation mode or an out-band operation mode based on the determined type of the control channel, and transmitting and receiving the signal to at least one of the base station and a user equipment according to the determined operation mode. The multiple carriers include one or more in-band component carriers and one or more out-band component carriers. |
| US08737288B2 |
Wireless communication apparatus and wireless communication method
To effectively use transmission power by changing the arrangement of unused REGs. A wireless communication apparatus according to the invention corresponds to a wireless communication apparatus for performing wireless communication with a terminal equipment via a relay station, which includes an allocator which allocates CCEs in which control signals for the relay station are arranged to a plurality of REGs so that unused REGs not allocated with the CCEs differ among respective resource blocks each having the plurality of REGs, and a transmitter which transmits the control signals arranged in the CCEs allocated to the REGs to the relay station in accordance with an allocation by the allocation section. |
| US08737283B2 |
Transmission device and transmission method
A disclosed OFDM-based transmission device includes a unicast channel generating unit configured to generate a unicast channel; an MBMS channel generating unit configured to generate an MBMS channel; a multiplexing unit configured to time-division-multiplex the unicast channel and the MBMS channel in the same frequency band; and a transmitting unit configured to transmit time-division-multiplexed transmission symbols. In the disclosed transmission device, the guard interval length for the MBMS channel is set longer than the guard interval length for the unicast channel. |
| US08737277B2 |
Method and apparatus for transmitting channel quality control information in wireless access system
Provided is a method for transmitting channel quality control information using two transport blocks in a wireless access system that supports hybrid automatic retransmit request (HARQ). The method may include the steps of receiving a physical downlink control channel (PDCCH) signal including downlink control information (DCI); calculating the number of coded symbols, Q′, required to transmit the channel quality control information using the DCI; and transmitting the channel quality control information through a physical uplink shared channel (PUSCH) on the basis of the number of coded symbols. |
| US08737247B1 |
Data channel noise estimation using pilot channel
A method includes receiving a Code Division Multiple Access (CDMA) carrier carrying at least a pilot channel. Differences are computed between selected soft pilot symbols received on the pilot channel. Based on the computed differences between the selected soft pilot symbols received on the pilot channel, a level of noise is estimated for a data channel that is to be transmitted on the CDMA carrier. |
| US08737241B2 |
Fast access to a dedicated uplink (E-DCH) resource by using a previously used configuration
A user equipment (UE), a base station and methods for enabling providing fast access to a dedicated uplink (UL) resource between the base station and the UE for data transmissions, by using a UE identifier. The UE may receive configuration parameters of a set of common UL resources from the base station, transmit a random access request for a common UL resources of said set of common UL resources to said base station, obtain allocation of said common resource of said set from said base station, and transmit a UE identifier to said base station on said common resource wherein the UE identifier indicates a previously used set of configuration parameters for a dedicated resource. |
| US08737240B2 |
Link band estimating apparatus and link band estimating method
A link band estimating apparatus includes a packet transmitting unit for transmitting packets in succession via a route portion of communication routes which share a link to be measured. The apparatus includes a packet interval measuring unit for measuring an interval by which the packets are spaced apart in another route portion of the communication routes. The apparatus includes a band calculating unit for calculating the band of the link to be measured based on a value measured by the packet interval measuring unit and a data size of the packets. |
| US08737238B2 |
Congestion detecting method and communication node
An inspection signal to inspect forward-path or return-path communication, is transmitted from a reference node of a network. A response signal is transmitted in a priority class from a node of a forward path to the reference node. In the case of inspection of return-path communication, a replica of the response signal is transmitted in a non-priority class from the node of the forward path to the return path, and the node that receives the replica of the response signal transfers the replica in a priority class to the reference node. In the case of inspection of forward-path communication, a replica of the inspection signal is transmitted in a non-priority class from the node of the forward path to the forward path, and a replica of the response signal is transmitted in a priority class from the node that receives a replica of the inspection signal to the reference node. |
| US08737231B2 |
Dynamic administration of event pools for relevant event and alert analysis during event storms
Dynamic administration of event pools for relevant event and alert analysis during event storms including receiving, by an events analyzer from an events queue, a plurality of events from one or more components of the distributed processing system, each event including an occurred time and a logged time; creating, by the event analyzer, an events pool; determining whether an arrival rate of the events from the components of the distributed processing system is greater than a predetermined threshold; if the arrival rate is greater than the predetermined threshold, assigning, by the events analyzer, a plurality of events to the events pool in dependence upon their occurred time; and if the arrival rate is not greater than the predetermined threshold, assigning, by the events analyzer, a plurality of events to the events pool in dependence upon their logged time. |
| US08737230B2 |
Automatic adjustment of logical channels in a Fibre Channel network
One embodiment of the present invention provides a system that facilitates automatic adjustment of logical channels in a Fiber Channel (FC) network. During operation, the system receives FC data frames. A respective data frame is associated with a logical channel. The bandwidth on an FC link can be allocated into a plurality of logical channels, and a respective logical channel is associated with a dedicated buffer and can transport a plurality of data flows with data frames of variable length. The system then identifies a slow data flow in a first logical channel. Next, the system assigns the slow data flow to a second logical channel, thereby preventing the slow data flow from slowing down other data flows in the first logical channel. The system subsequently forwards the data frames in the slow data flow on the second logical channel onto an outgoing link. |
| US08737226B2 |
Method for two-stage packet aggregation facing wireless sensor network of hybrid topology structure
A method for two-stage packet aggregation facing wireless sensor network with hybrid topology structure including: building various nodes in a wireless sensor network into a hybrid topology structure which combines the star topology and mesh topology; establishing a two-stage packet aggregation architecture for periodic sensor data based on the above described topology structure; determining the packet format, aggregating and disaggregating the two-stage packets based on the topology structure and aggregation architecture; according to the application, the aggregated nodes in the network configuring router nodes and aggregation attributes of the nodes; according to the aggregation attribute, the sensor nodes performing the first-stage aggregation and generates an first-stage aggregation packet; according to the aggregation attributes, the router node implementing second-stage aggregation and generating a second-stage aggregation packet; the aggregation nodes taking charge of disaggregating the aggregated packets. Embodiments of the invention adopt the above described hybrid topology structure, feature a two-stage packet aggregation method, decrease the overhead of packet-head, reduce the energy consumption of the nodes and inter-node interference, and save communication resources. |
| US08737219B2 |
Methods and systems that use information about data packets to determine an order for sending the data packets
Methods and systems thereof for streaming media data are described. Media data comprising a plurality of data packets is accessed. Information that quantifies a characteristic of each data packet in the plurality of data packets is also accessed. That information is used to determine an order for sending the data packets over a network. |
| US08737218B2 |
Method and system for adjusting bandwidth using multiple timers
An approach is provided for auto-bandwidth adjusting bandwidth allocations for traffic-engineered tunnels used to carry traffic along a network. Traffic over the tunnel is sampled at a first interval period and at a second interval period, where the second interval period is shorter than the first interval period. A determination is made as to whether the sampled traffic taken using the second interval period is greater than the bandwidth allocation, and the bandwidth allocation is adjusted upward based upon a determination that the sampled traffic taken using the second interval period is greater than the bandwidth allocation. Also, a determination can be made as to whether the sampled traffic taken using the first interval period is less than the bandwidth allocation, and the bandwidth allocation can be adjusted downward based upon a determination that the sampled traffic taken using the first interval period is less than the bandwidth allocation. |
| US08737217B2 |
Systems and methods for dynamic quality of service
Systems, methods, and apparatus for routing are provided in which a connection track comprising a plurality of network or transport layer packets, received by a router, is identified by examining header fields of one or more packets in the plurality of packets. One or more quality of service (QoS) parameters is associated with the connection track by determining whether the track encodes a data type by (i) an identification of a predetermined application protocol used within the one or more packets and/or (ii) a comparison of a payload of one or more packets in the plurality of packets to known data type formats. A first QoS parameter is set to a first value in a first value range when the connection track contains the first data type. The connection track is routed through the router in accordance with the one or more QoS parameters assigned to the connection track. |
| US08737215B2 |
Packet forwarding apparatus, communication system, process rule update method, and program
A packet forwarding apparatus, a communication system, and a process rule update method that can accurately delete process rules used for packet forwarding and the like include a process rule storage unit that stores process rules defining a process content for each flow; a packet process unit that executes processing a received a packet by using a process rule matching the received packet among the process rules and; an end determination information extraction unit that extracts information for checking a flow end from the received packet; and a flow end check unit that deletes, when a flow end is checked based on the extracted information, a process rule corresponding to the flow. |
| US08737214B2 |
System, method and computer program for intelligent packet distribution
The present invention provides a system, method and computer program for intelligent packet distribution over a plurality of potentially diverse links. The system includes an intelligent packet distribution engine (“IPDE”) that incorporates or is linked to means for executing a decision tree. The IPDE, in real time, obtains data traffic parameters and, based on the data traffic parameters and performance criteria, selectively applies one or more techniques to alter the traffic over selected communication links to conform to the data traffic parameters. |
| US08737213B2 |
Method for congestion detection in packet transmission networks
A method for measuring degree of packet congestion on a channel of a packet communication network. The method includes: during a training mode, generating an mathematical relationship between the degree of packet congestion on the channel and a plurality of measurable features of the network over a plurality of network conditions; and, during a subsequent normal operating mode, periodically measuring the plurality of measurable features and applying the generated mathematical relationship to such periodically measured plurality of measurable features to determine actual degree of congestion on the channel; and comparing the actual degree of congestion on the channel with a predetermined channel congestion threshold level. The degree of packet congestion on the channel is saturation level. The measurable features include: time delay between transmission starts and terminations of the previously transmitted packet; the fraction of time the channel is busy; and, average number of packet transmission retries. |
| US08737205B2 |
Weight-based bandwidth allocation for network traffic
A network device may implement packet scheduling with administrator-configurable packet scheduling policies. In one implementation, the network device includes a filter component configured to assign priority levels to data units, the priority levels defining traffic classes for the data units. The network device may also include a scheduler component configured to schedule transmission of the traffic classes based on an assignment of weights to the traffic classes using at least one bandwidth allocation policy that exhibits a bandwidth allocation profile that varies based on one or more parameters of the bandwidth allocation policy that are configurable by an administrator. |
| US08737204B2 |
Creating and using multiple packet traffic profiling models to profile packet flows
Multiple packet traffic profiling models are created from known packet traffic flows that are labeled, where a label is an actual value of a factor influencing one or more characteristics of the known packet traffic flow. Features, which are different from the factors, are measured for each flow. Flow clusters are defined from the labeled traffic flows by processing their features and labels. The profiling models are created based on cluster information. When an unknown packet flow is received, the multiple packet traffic profiling models are evaluated according to a confidence and a completeness associated with each of the packet traffic profiling models. The packet traffic profiling model with a predetermined confidence and completeness is selected and applied to profile the unknown packet traffic flow. |
| US08737202B2 |
Automatic connection recovery
Various exemplary embodiments relate to a method and related network node including one or more of the following: selecting a connection of a plurality of connections; testing the selected connection to determine whether the selected connection is usable; and based on a determination that the selected connection is not usable: closing the selected connection and at least one additional connection of the plurality of connections, and reestablishing the selected connection and the at least one additional connection. |
| US08737201B2 |
Data relay apparatus, and ring-type communication system
A data relay apparatus for data relay in a ring-type network for data including a path identifier which is transferred according to the path identifier, receives the data; stores the path identifier that is used to determine a data path in which the data is transferred in the ring-type communication network in association with a reception direction and a transmission direction of the data; compares the path identifier included in the received data and the path identifier stored by an information storing part to determine a path for receiving and transmitting the data and switches the transmission direction of the data based on a reception direction of a failure notification message notified when a communication failure occurs and whether a switching inhibition message transmitted concerning the communication failure is received; and transmits the data in the switched transmission direction. |
| US08737200B1 |
MPLS/IP pseudo-wire and layer-2 virtual private network resiliency
A technique for recovering MPLS or IP-based pseudo-wires or layer-2 VPNs to a backup site using a backup pseudo-wire is provided. In one particular exemplary embodiment, the technique may be realized by a mechanism that allows one end of the original pseudo-wire to dynamically and automatically establish a backup pseudo-wire to an alternate destination without requiring an operator intervention or manual configuration of alternate destinations. This mechanism is triggered when one end of an emulated service experiences a failure such as a node failure, a link failure, and the like, or an intentional shut-down. A VPN auto-discovery mechanism is employed to inform all of the potential attachment circuits of the existence of the backup destinations that can be used in case of failure situations. |
| US08737196B2 |
Methods and systems for automatically tracking the rerouting of logical circuit data in a data network
An example method involves generating a table to store current reroute statistics based on rerouting of data from one or more logical circuits, when they have failed, to one or more logical failover circuits. The current reroute statistics include trap data received for the one or more logical circuits. The trap data includes a committed information rate. Each of the logical circuits and logical failover circuits is identified by a logical circuit identifier that is renamed until the one or more logical circuits have been restored. The table is updated to store updated reroute statistics that include updated trap data received for the one or more logical circuits. Generating the updated reroute statistics comprises detecting a change in a status of the one or more logical circuits by determining if a frame has been dropped. The frame is dropped when the committed information rate has been exceeded. |
| US08737195B2 |
Reference signal collision detection
A base station outputs first detection information representing a code of a reference signal and representing a mobile device that is determined, on the basis of transition of a status at the time of occurrence of disconnection of the radio link between the mobile device and the base station, to be capable of causing the collision, and second detection information representing a code of a reference signal and representing a mobile device that is determined, on the basis of occurrence of failure of reconnection of the radio link between the mobile device and the base station, to be capable of causing the collision. A collision detection device estimates that, when the code and the mobile device of the first detection information coincide with the code and the mobile device of the second detection information, the collision of the reference signal will be caused. |
| US08737194B2 |
OFDEM system and Nyquist pulse shaping method with high spectrum efficiency
A receiver system to receive an orthogonal frequency division multiplexing (OFDM) symbol of a certain spectrum efficiency. The receiver system includes a guard interval remover, a memory device, and a pulse shaper. The guard interval remover removes a guard interval from the OFDM symbol received by the receiver. The memory device stores a pulse shaping algorithm. The pulse shaper performs the pulse shaping algorithm to substantially maintain the certain spectrum efficiency in conjunction with the utilization of a Nyquist pulse shape with an excess bandwidth≦1.0. |
| US08737192B2 |
Transmission apparatus
The degree of multiplexing of a code division multiplexed signal transmitted by subcarriers is selected on a subcarrier-by-subcarrier basis. As a result, inter-code interference on the propagation path and degradation on the propagation path are lower for a code division multiplexed signal allocated to subcarriers with a low degree of signal multiplexing (G1) than for transmit signals allocated to subcarriers with a high degree of multiplexing. By this technique, it is possible to prevent degradation of the error rate characteristics of important information without lowering spectral efficiency significantly as compared with the case in which the degree of signal multiplexing is decided uniformly for all subcarriers, and to achieve compatibility between spectral efficiency and error rate characteristics. |
| US08737188B1 |
Crosstalk cancellation systems and methods
Crosstalk reduction and/or cancellation systems and methods are provided herein. In exemplary embodiments, a far-end acoustic signal may be delayed by M samples. Additionally, a crosstalk estimate value for the delayed far-end acoustic signal may be subtracted from an input acoustic signal. The crosstalk estimate value is a scaled version of filter outputs generated by a finite impulse response filter that utilizes predetermined filter coefficients. The filter outputs are scaled using a dynamic gain value. |
| US08737187B2 |
Interference cancellation
A method to enhance coverage and/or throughput in a heterogeneous wireless network includes detecting interference between a neighboring cell and a serving cell. The method also includes cancelling the interference using an adaptive technique based on whether the interference has colliding Common Reference Signal (CRS) tones. |
| US08737185B2 |
Optical disc device and optical disc reproduction method
An optical disc device is configured to reproduce an optical disc. The optical disc device includes an optical pickup and a driver. The optical pickup has a laser irradiation component that is configured to emit a laser beam to the optical disc for obtaining a return light. The driver is configured to generate a drive signal for driving the laser irradiation component based on a high-frequency signal. The driver is further configured to set an amplitude of the high-frequency signal used while reproducing a test region of the optical disc to be different from an amplitude of the high-frequency signal used while reproducing a data region of the optical disc. The test region of the optical disc is reproduced to acquire a setting signal for a setup of the optical pickup. |
| US08737184B2 |
Holographic optical pickup device, optical information recording and reproducing device, and method of recording and reproducing optical information
An optical pickup device includes a galvanometer mirror that changes an incident angle of a reference beam to an optical information recording medium, an image sensor that detects a diffracted beam from a region to be reproduced upon irradiation of the recording medium with the reference beam, and sets the detected diffracted beam to a reproduction signal, and a photodetector that detects the diffracted beam generated from a plurality of recorded regions upon irradiation of the recording medium with the reference beam. The photodetector includes a plurality of light receivers, and generates an angular error signal indicating positional shifting of the incident angle of the reference beam from a differential signal of a plurality of signals derived from the respective light receivers so as to control the angle of the galvanometer mirror. |
| US08737183B1 |
Topographic feedforward system
A control mechanism may control the height and/or position of a read/write head configured to interact with a rotating information storage surface. A computation unit may compute a detected topography from gap measurements using a dynamic filter including a model of read/write head dynamics. A sensor may detect gap measurements of a side read/write track while the read/write head is interacting with a current read/write track. A memory may store the detected topography. The control mechanism may adjust the height of the read/write head based on the detected and/or stored topography. The control mechanism may be a reactionless control mechanism configured to apply a counterforce to offset movements of the read/write head and/or a slider. |
| US08737178B2 |
Alignment feature for near-field transducers
An apparatus comprises a lens, an alignment feature positioned adjacent to a surface of the lens, a detector for producing an alignment signal in response to a portion of incident light reflected by the alignment feature and a portion of the incident light reflected by the surface adjacent to the alignment feature, and an actuator for controlling alignment of the incident light in response to the alignment signal. A method of controlling alignment of the beam of incident light is also provided. |
| US08737177B2 |
Playlist sharing methods and apparatus
A player device uses playlists having names of contents. Users can update the playlists via network. The player device includes a storage device for storing digital data of the contents, a reception/reception circuit for downloading playlists, a display for displaying the titles of contents included in the playlists, a pointing device for specifying displayed titles, a circuit for retrieving digital data from the storage device in the event that digital data of a content specified by the pointing device is stored within the storage device, and an output circuit for outputting the retrieved digital data. |
| US08737174B2 |
Inertial motion of a mechanical display member
Coupling device 3 between activation means 1 and mechanical display means 2 of a display mechanism, wherein the coupling device 3 is adapted to apply a motion to said mechanical display means 2, in response to activation of the activation means, wherein the motion applied to the mechanical display means 2 is inertial. |
| US08737173B2 |
Date and time dimensions for contact center reporting in arbitrary international time zones
In one embodiment, a computer readable medium is provided that includes a date time zone dimension table comprising a date key and a time zone key, the date key identifying a selected point in time relative to a selected temporal origin and the time zone key identifying one of a plurality of possible time zones, and at least one attribute, the at least one attribute describing time information for a selected date and time zone key pair. |
| US08737172B2 |
Hull mounted linear sonar array
A hull-mounted sonar array is provided. The array comprises a linear arrangement of hydrophones disposed within a generally D-shaped housing. The D-shaped housing comprises a generally flat portion having a first and second end and a curved portion extending from the first end to the second end. The hydrophones are arranged along the generally flat portion of the housing, equidistant from the curved portion. The housing is mounted to the hull of a vessel by, for example, a marine adhesive. |
| US08737168B2 |
System and method for automatic determination of the physical location of data center equipment
The invention is directed to a system and method for automatic discovery of the physical location of at least one device in a data center, the device having an associated ultrasonic emitter. The system generally includes a plurality of ultrasonic detectors having known locations in the data center. A controller initiates the generation of an ultrasonic signal from an ultrasonic emitter associated with a device under test. Time of arrival circuitry generates time of arrival information associated with each ultrasonic detector based on the time of receipt of the ultrasonic signal. The controller determines the location of the device under test based on the known location of the ultrasonic detectors within the data center and the time of arrival information associated with each ultrasonic detector. |
| US08737165B2 |
Interferometric seismic data processing for a towed marine survey
A method for processing seismic data. The method includes receiving the seismic data acquired at two or more sensors on a towed marine survey and regularizing the received seismic data into a spatial domain. After regularizing the seismic data, the method includes classifying the regularized seismic data below and equal to a predetermined frequency as low-frequency seismic data. The method then calculates a set of low-frequency Green's functions using interferometry on the low-frequency seismic data described above. The method then processes high-frequency seismic data of the seismic data to create a set of high-frequency Green's functions at one or more source locations of the towed marine survey. After creating the set of high-frequency Green's functions, the method merges the set of low-frequency Green's functions and the set of high-frequency Green's functions to create a set of broad-band Green's functions at the source locations. |
| US08737164B2 |
Methods for controlling towed marine sensor array geometry
A method for towing a streamer array includes moving a vessel along a body of water. Streamers are towed by vessel. A relative position is determined at selected points along each streamer with respect to the vessel. At least one of the streamers is deflected at least one longitudinal position along the streamer in response to the determined positions to maintain the streamers in a selected geometry. The selected geometry is related to one of survey vessel heading, energy source trajectory, previously plotted sensor trajectory and a lateral separation related to distance from the towing vessel. |
| US08737162B2 |
Clock-forwarding low-power signaling system
In a low-power signaling system, an integrated circuit device includes an open loop-clock distribution circuit and a transmit circuit that cooperate to enable high-speed transmission of information-bearing symbols unaccompanied by source-synchronous timing references. The open-loop clock distribution circuit generates a transmit clock signal in response to an externally-supplied clock signal, and the transmit circuit outputs a sequence of symbols onto an external signal line in response to transitions of the transmit clock signal. Each of the symbols is valid at the output of the transmit circuit for a symbol time and a phase offset between the transmit clock signal and the externally-supplied clock signal is permitted to drift by at least the symbol time. |
| US08737157B2 |
Memory device word line drivers and methods
Memory subsystems and methods, such as those involving a memory cell array formed over a semiconductor material of a first type, such as p-type substrate. In at least one such subsystem, all of the transistors used to selectively access cells within the array are transistors of a second type, such as n-type transistors. Local word line drivers are coupled to respective word lines extending through the array. Each local word line drivers includes at least one transistor. However, all of the transistors in the local word line drivers are of the second type. A well of semiconductor material of the second type, is also formed in the material of the first type, and a plurality of global word line drivers are formed using the well. Other subsystems and methods are disclosed. |
| US08737152B2 |
Semiconductor memory device and method of testing the same
A semiconductor memory device including an open bit line structure is disclosed. The semiconductor memory device including an open bit line structure includes a first mat, a second mat contiguous to the first mat, a first sense amplifier coupled to a first bit line of the first mat, a second sense amplifier coupled to a second bit line of the first mat and a third bit line of the second mat, a third sense amplifier coupled to a fourth bit line of the second mat, and a plurality of bit line precharge voltage providers for varying a level of a bit line precharge voltage provided to the first, second, and third sense amplifiers, selectively providing the resultant bit line precharge voltage level, and providing the same voltage as that of data of a selected cell to a non-selected sense amplifier during a read operation. |
| US08737146B2 |
Semiconductor memory device having redundancy circuit for repairing defective unit cell
A semiconductor memory device includes a first bank including a plurality of cell matrices a second bank including a plurality of cell matrices and a shared-fuse set, which is shared by the first and second banks, configured to output a defect indication signal when the first bank or the second bank is enabled and a defective cell matrix is included in the enabled bank. |
| US08737139B2 |
Determining soft data for combinations of memory cells
The present disclosure includes apparatuses and methods for determining soft data for combinations of memory cells. A number of embodiments include an array of memory cells including a first and a second memory cell each programmable to one of a number of program states, wherein a combination of the program states of the first and second memory cells corresponds to one of a number of data states, and a buffer and/or a controller coupled to the array and configured to determine soft data associated with the program states of the first and second memory cells and soft data associated with the data state that corresponds to the combination of the program states of the first and second memory cells based, at least in part, on the soft data associated with the program states of the first and second memory cells. |
| US08737132B2 |
Charge cycling by equalizing the source and bit line levels between pulses during no-verify write operations for NAND flash memory
In non-volatile memory devices, a write typically consists of an alternating set of pulse and verify operations. At the end of a pulse, the device must be biased properly for an accurate verify, after which the device is re-biased for the next pulse. In some cases a non-volatile memory is programmed by an alternating set of pulses, but, for at least some pulses without any intervening verify operations. After a one pulse, but before biasing the memory for the next pulse without an intervening very, the source and bit line levels can be left to float. |
| US08737125B2 |
Aggregating data latches for program level determination
In a nonvolatile memory array that stores randomized data, the program level—the number of states per cell stored in a population of memory cells—may be determined from the aggregated results of a single read step. A circuit for aggregating binary results of a read step includes parallel transistors with control gates connected to the data latches holding the binary results, so that current flow through the combined transistors depends on the binary results. |
| US08737123B2 |
Semiconductor device, information processing system including same, and controller for controlling semiconductor device
A system includes a control chip and a plurality of command terminals receiving a plurality of command signals, respectively; a command decoder coupled to the command terminals, the command decoder being configured to output an internal command in response to the command signals; and a layer address buffer configured to output a layer address each time the command decoder outputs a row command as the internal command and outputs a column command as the internal command; and a plurality of core chips stacked with one another, each of the core chips being configured to receive the, row command and the layer address output together with the row command, to receive the column command and the layer address output together with the column command, and to free from receiving the command signals. |
| US08737120B2 |
Reference voltage generators and sensing circuits
Described examples include sensing circuits and reference voltage generators for providing a reference voltage to a sensing circuit. The sensing circuits may sense a state of a memory cell, which may be a PCM memory cell. The sensing circuits may include a cascode transistor. Examples of reference voltage generators may include a global reference voltage generator coupled to multiple bank reference voltage generators which may reduce an output resistance of the voltage generator routing. |
| US08737118B2 |
Semiconductor memory device and test method therefor
Provided is a semiconductor memory device including: first and second SRAM cells; a first hit line pair provided with the first SRAM cell; a second bit line pair provided with the second SRAM cell; a first switch circuit provided between the first bit line pair and the second bit line pair; and a controller that controls the first switch circuit to render the first bit line pair and the second bit line pair conductive, in a case of testing the first SRAM cell. |
| US08737111B2 |
Memory cell with resistance-switching layers
A memory device in a 3-D read and write memory includes memory cells. Each memory cell includes a resistance-switching memory element (RSME) in series with a steering element. The RSME has first and second resistance-switching layers on either side of a conductive intermediate layer, and first and second electrodes at either end of the RSME. The first and second resistance-switching layers can both have a bipolar or unipolar switching characteristic. In a set or reset operation of the memory cell, an electric field is applied across the first and second electrodes. An ionic current flows in the resistance-switching layers, contributing to a switching mechanism. An electron flow, which does not contribute to the switching mechanism, is reduced due to scattering by the conductive intermediate layer, to avoid damage to the steering element. Particular materials and combinations of materials for the different layers of the RSME are provided. |
| US08737109B2 |
Memory device and semiconductor device
A memory device in which data can be retained for a long time is provided. The memory device includes a memory element and a transistor which functions as a switching element for controlling supply, storage, and release of electrical charge in the memory element. The transistor includes a second gate electrode for controlling the threshold voltage in addition to a normal gate electrode. Further, the off-state current of the transistor is extremely low because an active layer thereof includes an oxide semiconductor. In the memory device, data is stored not by injection of electrical charge to a floating gate surrounded by an insulating film at high voltage but by control of the amount of electrical charge of the memory element through the transistor whose off-state current is extremely low. |
| US08737108B2 |
3D memory configurable for performance and power
A 3D memory that is configurable for performance and power. An embodiment of a memory device includes a dynamic random-access memory (DRAM) including multiple memory dies, each memory die including multiple memory arrays, each memory array including peripheral logic circuits and a configurable logic. The memory device further includes a system element coupled with the DRAM, the system element including a memory controller. The memory controller is to provide for control of the configurable logic to provide for separate or shared peripheral logic circuits for one or more memory arrays, the configurable logic being configurable to enable or disable one or more of the peripheral logic circuits and to enable or disable one or more I/O connections between the memory arrays. |
| US08737102B2 |
Acoustic noise modification in power converters
A boost converter including two or more inductors coupled to an input DC power source and to switches that can each be modulated with a modulation signal to control the output power of the boost converter. Two or more of the modulation signals have a relative phase other than 360° divided by the number of switches. |
| US08737101B2 |
Switch driving circuit and switch driving method
The present invention relates to a switch driving circuit and a driving method thereof that are capable of preventing hard switching. The present invention includes: a dead time controller generating an high-side switching driver controlling signal and a low-side switching driver controlling signal controlling the switching operation of the high-side switch and the low-side switch according to a dead time controlling signal; and a phase detector detecting a phase of a resonance current flowing into the second power voltage terminal to generate a phase information signal, wherein one of the high-side switch driver controlling signal and a signal corresponding thereto, and the phase information signal are compared, and if the turn-on time of the high-side switch is later than the phase change of the resonance current, the dead time is controlled for the turn-on time of the high-side switch to advance the phase change of the resonance current. |
| US08737098B2 |
Cascaded flying capacitor modular high voltage inverters
A high voltage inverter is provided which includes a plurality of k-level flying capacitor H bridge modules, k being greater than 2, each having a positive dc terminal, a negative dc terminal, and two ac terminals, a connecting unit for connecting said ac terminals of said plurality of k-level flying capacitor H bridge modules in series to form a cascading set of modules, and a dc source connected to an ac source and having a transformer, a rectifier rectifying an output voltage of said transformer, and a capacitor connected between the positive and negative dc terminals. |
| US08737090B2 |
Rack mounted computer system and cable management mechanism thereof
A rack mounted computer system includes a rack, a plurality of modular servers, at least one network switch, a plurality of cables and a cable management mechanism. The rack includes a frame assembly and an interior. The modular servers and the network switch are installed in the interior of the rack. Each of the cables is connected with a corresponding modular server and the network switch. The cable management mechanism is integrally formed with the frame assembly for managing and securing the cables connected between the network switch and the modular servers and includes a polygonal column having an inclined sidewall and a receptacle. The inclined sidewall has a plurality of through holes and an opening arranged apart from each other. The through holes are in communication with the receptacle and respectively configured to contain a corresponding cable extending therethrough. The opening is in communication with the receptacle and configured to collect and contain the cables inserted therethrough. The receptacle is configured for housing the cables. |
| US08737088B2 |
Portable electronic device with chip card holder
A portable electronic device includes a housing and a chip card holder. The chip card holder includes a base fixed to the housing, a drawer slidably fixed to the base. The drawer includes at least two stacked receiving grooves, each receiving groove receives one of the chip cards. |
| US08737087B2 |
Multilayer printed wiring board and manufacturing method of multilayer printed wiring board
This invention provides a multilayer printed wiring board in which electric connectivity and functionality are obtained by improving reliability and particularly, reliability to the drop test can be improved. No corrosion resistant layer is formed on a solder pad 60B on which a component is to be mounted so as to obtain flexibility. Thus, if an impact is received from outside when a related product is dropped, the impact can be buffered so as to protect any mounted component from being removed. On the other hand, land 60A in which the corrosion resistant layer is formed is unlikely to occur contact failure even if a carbon pillar constituting an operation key makes repeated contacts. |
| US08737083B2 |
Expansion system for portable electronic devices
An expansion system for portable electronic devices is provided. A portable electronic device includes a main logic board and a battery component. The device includes a package for enclosing components of the device that is sealed to prevent ingress of foreign material from the surrounding environment. A mounting interface is provided that extends into the internal space of the package. The mounting interface mounts an expansion component that expands functionality of the device so that it is physically and mechanically spaced from the main logic board. The device may include an expansion interface mounted on the main logic board for logical communication between the main logic board and the expansion component. |
| US08737082B2 |
Interlocking system for securing a printed circuit board
An electronic component and housing interlocking system is provided. The system includes a device housing configured to hold a printed circuit board. The printed circuit board includes a projection from a side of the printed circuit board. The system also includes a locking member having a tab coupled at a first end of the tab to a side wall of the device housing and free at a second end of the tab such that the tab is configured to flex about the first end when the printed circuit board is slid into the device housing and the projection is pushed against the second end of the tab. The tab includes an opening configured to receive the projection after being slid past the second end such that the tab engages the printed circuit board within the device housing in a locked position. |
| US08737081B2 |
Cover structure and manufacturing method thereof
A method of manufacturing a cover structure is provided. A first insulating layer is provided. The first insulating layer has a first surface and a second surface opposite to each other. A second insulating layer is provided. The second insulating layer has a third surface and a fourth surface opposite to each other and an opening passing through the third surface and the fourth surface. A thickness of the second insulating layer is greater than a thickness of the first insulating layer. The first insulating layer and the second insulating layer are laminated to each other, so that the third surface of the second insulating layer connects to the second surface of the first insulating layer. A cavity is defined by the opening of the second insulating layer and the first insulating layer. A metal layer is formed on the cavity. |
| US08737079B2 |
Active patch panel
An active patch panel uses small form factor plus (SFP+) connectivity with a plurality of channels extending between first and second faces of the panel. The channels connect ports on the opposing faces of the panel and are provided with additional electronic elements, such as an equalizer, a clock data recovery element, and a pre-emphasis element. A controller can be connected to the plurality of channels to provide instructions for simultaneous equalization and pre-emphasis of a plurality of cable assemblies in the same channel. |
| US08737064B2 |
Electronic device stand
An electronic device stand comprises mechanically coupled first and second members. The stand is couplable to an edge of an electronic device. The first and second members rotate relative to each other, thus changing a viewing angle for the electronic device. The stand transmits data and power to and/or from the electronic device. This can allow the stand to be used to synchronize data between the electronic device and a support device. In some cases, the stand is detected as being coupled to the electronic device, and one or more applications are executed on the device as a result of the detection. |
| US08737062B2 |
Handheld electronic device
A handheld electronic device including a lower housing, an upper housing, a touch panel, a display module, a partition, position posts, cushions, and an actuator is provided. The upper housing is above and separated from the lower housing. The touch panel is at an opening of the upper housing and connects with the upper housing. The display module is disposed in the upper housing and connected with the lower housing. The partition is between the display module and the lower housing and connected to the upper housing. The partition has position holes. The position posts are located in their corresponding position holes and connected with the display module. The cushions are located between the corresponding position post and the position hole. The actuator is disposed between the display module and the upper housing to force the upper housing to shift relative to the display module and the lower housing. |
| US08737057B2 |
Push-push eject disk drive chassis
A push-push eject disk drive chassis user-swappably accepts a disk drive, without tools or a caddy and is sufficiently narrow, such that two such chassis may be disposed side-by-side within a housing having a standard disk drive form factor and accept disk drives having smaller form factors. A data storage system that conforms to a disk drive form factor and that can be installed into a disk drive bay of a user computer includes a plurality of such disk drive chassis user-swappably accepts a plurality of side-by-side disk drives, without tools or caddies. The data storage system may include electronics that manage storage space on any disk drives installed in the chassis and present the cumulative storage space (less space used for overhead and redundancy) as a single virtual disk drive to the user computer. |
| US08737053B2 |
Electronic apparatus
An electronic apparatus includes a case, a movable portion that has a recording medium accommodating portion for accommodating a recording medium and a portable terminal accommodating portion for accommodating a portable terminal, and that is able to be moved to an outside of the case and to be moved to an inside of the case, the portable terminal accommodating portion having a connector to be connected to the portable terminal, and an accessing portion that accesses the recording medium accommodated in the recording medium accommodating portion, and that accesses the portable terminal which is connected to the connector through the connector in a state that the portable terminal is accommodated in the portable terminal accommodating portion. When the movable portion is moved to the inside of the case so as to be housed in the case, the connector is located in the case. |
| US08737050B2 |
Electronic device with at least one extendable display section
An electronic device (1) is described that comprises a flexible display (9) with at least two extendable display sections (6,7), each display section being movable to an extended position and supported by an associated hold out mechanism (3,4). The electronic device comprises a further display section (9a) and a main body (2), with a window area (5) supporting part of the display (9), in the extended position. The display sections (6,7) extend outwardly from the main body (2) from different sides of the window area (5) and form one continuous wide screen display panel (9) with the further section (9a). |
| US08737048B2 |
Modules for monitoring patients and related systems and methods
Patient monitoring systems can include a display unit and a patient parameter module. The patient parameter module can be connected to a docking region so as to communicate with the display unit in two or more orientations. |
| US08737046B2 |
Image forming apparatus
An image forming apparatus includes a body frame and an image reading unit mounted to the body frame. The image forming apparatus further includes a plurality of fixed supporting portions to which the image reading unit is mounted in a stationary manner, an unfixed supporting member mounted to the body frame in a vertically movable manner to support one side of the image reading unit in a vertically movable manner, and an elastic member to elastically support the unfixed supporting member. The image forming apparatus may prevent the flatness of the image reading unit from being deteriorated when the image reading unit is mounted to the body frame. |
| US08737045B2 |
Electronic device housing and manufacturing method thereof
An electronic device housing includes a bottom housing, a support frame, and a plastic side frame. The support frame is fixed on the bottom housing to form a receiving groove between the bottom housing and the plastic side frame. The plastic side frame is integrally formed by injecting a plastic material in the receiving groove. A manufacturing method for an electronic device housing is also provided. |
| US08737042B2 |
Terminal box for use with solar cell module
Provided is a terminal box for a solar cell module that has excellent heat radiation. The terminal box (10) is provided with multiple terminal boards (21), a reverse load bypass diode (22) that is connected to two corresponding terminal boards (21), a primary resin layer (23) that is attached to the diode (22) and covers the area around the diode (22), and a secondary resin layer (41) that is made from a resin different to that of the primary resin layer (23) and is adhered to parts other than the diode (22) and does not cover the area around the diode (22). |
| US08737041B2 |
Capacitor and method of manufacturing the same
A capacitor includes a capacitor element, a collector plate joined to an electrode of the capacitor element, and a case accommodating the capacitor element and the collector plate. An inner surface of a bottom plate of the case has a contacting portion contacting the collector plate and a junction portion facing the collector plate. The junction portion of the inner surface of the bottom plate has a joining point joined to the collector plate and a separation part facing the collector plate around the joining point by a gap between the junction portion and the collector plate. The collector plate is located away from the contacting portion. |
| US08737040B2 |
High performance redox capacitors using materials possessing non-stoichiometry and defect chemical equilibrium
A pseudocapacitor employs plates having an active material of a nanoparticles sized ceramic mixed ionic-electronic conductor such as may have the nominal formula of ABO3, A2BO4, AB2O4, and AO2, where A and B are metals. The active material may be prepared to promote sublattice vacancies to provide for the storage of additional charge. |
| US08737039B2 |
Solvents and novel electrolytic compositions having a large range of stability and high conductivity
The present invention is concerned with novel polar solvents and novel electrolytic compositions comprising such solvents, and having a high range of stability, as required for applications in the field of electrochemistry. The present solvents have a highly polar amide function, and preferably combine with a salt soluble in the solvent and having an anion with a delocalized charge, and at least one polymer, to form an electrolytic composition. |
| US08737038B1 |
Supercapacitor including ionic liquid electrolytes
An electroactive polymer based super capacitor capable of operation at MILSPEC temperatures, with electroactive polymers acting as the charge storage layers, and a mixture of electrolytes enabling operation down to −60° C. |
| US08737034B2 |
Determining a change in the activation state of an electromagnetic actuator
A method determines a change in the activation state of an electromagnetic actuator. |
| US08737033B2 |
Circuit interrupter employing non-volatile memory for improved diagnostics
A miniature circuit breaker includes separable contacts, an operating mechanism structured to open and close the separable contacts, a trip mechanism cooperating with the operating mechanism to trip open the separable contacts, a processor having a routine, a plurality of sensors sensing power circuit information operatively associated with the separable contacts, and a non-volatile memory accessible by the processor. The routine of the processor is structured to input the sensed power circuit information, determine and store trip information for each of a plurality of trip cycles in the non-volatile memory, store the sensed power circuit information in the non-volatile memory for each of a plurality of line half-cycles, and determine and store circuit breaker information in the non-volatile memory for the operating life span of the miniature circuit breaker. |
| US08737031B2 |
Voltage monitoring circuit, and vehicle equipped with same
During charging of a cell module in which a plurality of cells are connected in series, a voltage is applied in forward polarity to a switch element even when a current interrupting switch provided to the cell module is open, thereby shorting an anti-fuse element, and the switch element is thereby opened. A voltage monitoring circuit and a vehicle equipped with the voltage monitoring circuit are thereby provided in which a high voltage is not applied even when the cell module is charging when the current interrupting switch is open. |
| US08737019B2 |
Spindle motor having a low overall height
The invention relates to a spindle motor that comprises a stationary motor component having a shaft and an annular stopper part disposed at a free end of the shaft as well as a rotatable motor component that is rotatably supported by means of a fluid dynamic bearing system with respect to the stationary motor component. The rotatable motor component is driven by an electromagnetic drive system. A housing cover covers the spindle motor. The invention is characterized in that the shaft has a step on which a stopper part rests, the end face of the stopper part projecting axially beyond the end face of the shaft, and the housing cover resting only on the end face of the stopper part but not on the end face of the shaft. |
| US08737014B2 |
Rotational and linear vibration sensing
In accordance with certain embodiments, a method is provided for sensing linear vibration and rotational vibration. The method includes generating a combined linear vibration and rotational vibration signal. The combined linear vibration and rotational vibration signal may then be processed with an adaptive filter. |
| US08737012B2 |
System and method for automatic calibration of notch filter of hard disk drive
An apparatus for use with a hard disk drive, comprising: a selectable notch filter with a selectable notch frequency; a shock sensor of the hard disk drive, coupled to the selectable notch filter, the shock sensor having at least one resonance frequency; a flip flop coupled to an output of the notch filter and an output of the shock sensor; a calibration logic coupled to an output of the flip flop, wherein an output of the calibration logic is coupled to a selection input of the selectable notch filter. |
| US08737011B1 |
Repeatable runout data stored in pre-servo gap
A data storage medium has first and second data sectors of a track, a pre-servo gap being proximate the first data sector. The data storage medium also includes a servo wedge that stores servo data for the track. A start of the servo wedge is proximate to the pre-servo-gap and an end of the servo wedge is proximate to the second data sector. A repeatable runout field is included in the pre-servo gap. |
| US08737006B2 |
Storage device having degauss circuitry generating degauss signal with multiple decay segments
A hard disk drive or other disk-based storage device comprises a storage disk, a write head configured to write data to the disk, and control circuitry coupled to the write head. The control circuitry comprises a write driver and degauss circuitry associated with the write driver. The degauss circuitry is configured to generate a degauss signal to be applied to the write head by the write driver. The degauss signal has a waveform comprising a plurality of decay segments including at least one alternating current decay segment and at least one direct current decay segment. An initial decay segment of the plurality of decay segments may comprise an alternating current decay segment or a direct current decay segment, and may be immediately followed by a decay segment of the opposite type. |
| US08737004B2 |
Methodology for equalizing systemic latencies in television reception in connection with games of skill played in connection with live television programming
A method of and system for handling latency issues encountered in producing real-time entertainment such as games of skill synchronized with live or taped televised events is described herein. There are multiple situations that are dealt with regarding latencies in receiving a television signal with respect to real-time entertainment based on the unfolding games played along with the telecasts. Systemic delays, arbitrarily imposed delays of a broadcast signal and variances in the precise broadcast times of taped television programs have to be equalized so as to provide fair entertainment. |
| US08736989B2 |
Lens module having opaque adhesive members
A lens module includes a lens barrel, a first lens, a second lens, a first opaque adhesive member, and a second opaque adhesive member. The first lens is received in the lens barrel and includes a first image-side surface and a first object-side surface. The second lens is received in the lens barrel and includes a second image-side surface and a second object-side surface. The first opaque adhesive member is coated on the first image-side surface and bonds the first and second lenses together. The first opaque adhesive member absorbs stray light rays passing through a periphery of the first lens. The second opaque adhesive member is coated on the second image-side surface. The second opaque adhesive member absorbs stray light rays passing through a periphery of the second lens. |
| US08736983B2 |
Imaging lens
Disclosed herein is an imaging lens, including: a first lens having positive (+) power and being biconvex; a second lens having negative (−) power and being concave toward an image side; a third lens having positive (+) power and being biconvex; a fourth lens having positive (+) power and being convex toward the image side; and a fifth lens having negative (−) power and being concave toward the image side, wherein the first lens, the second lens, the third lens, the fourth lens, and the fifth lens are sequentially disposed from an object side. |
| US08736979B2 |
Image lens assembly system
An image lens assembly system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with negative refractive power has a convex object-side surface. The second lens element has positive refractive power. The third lens element has refractive power. The fourth lens element has refractive power. The fifth lens element has refractive power. The sixth lens element with positive refractive power is made of plastic material, wherein at least one surface of the sixth lens element is aspheric. The seventh lens element with negative refractive power made of plastic material has a concave image-side surface changing from concave at a paraxial region to convex at a peripheral region, and at least one surface thereof is aspheric. |
| US08736975B2 |
Macro lens system and image pickup device including the same
Provided are a macro lens system and an image pickup device including the macro lens system. The macro lens system includes a first lens group having a positive refractive power, a second lens group having a positive refractive power, and a 3-1 lens group having a positive refractive power and moving perpendicular to an optical axis to correct an image blur. |
| US08736972B2 |
Zoom lens, optical apparatus and method for manufacturing zoom lens
With comprising, in order from an object side: a first lens group G1 having negative refractive power; a second lens group G2; and a third lens group G3, the first lens group G1 includes, in order from the object side, a front group having negative refractive power, and a reflection optical element P that folds an optical path, a position of the first lens group G1 being fixed along the optical axis upon zooming from a wide-angle end state W to a telephoto end state T, and satisfying a given conditional expression, thereby providing a downsized zoom lens having a reflection optical element and a wide angle of view with thinning its profile by means of shortening a distance along an optical axis between the most object side lens surface and an object side optical surface of the reflection optical element. |
| US08736970B2 |
Optical system of zoom lens with image stabilization
An optical system of a zoom lens is provided. The optical system of the zoom lens includes thirteen lenses which are divided into four lens groups, wherein: the zoom lens comprises in a following order from a subject: a first lens group which has a positive refractive index; a second lens group which has a negative refractive index, and moves along an optical axis; a third lens group which has a positive refractive index; and a fourth lens group which has a positive refractive index, wherein the first lens group comprises four lenses, and an external surface of a first lens is concave in a direction of a plane of an image; the third lens group comprises two meniscus lenses which are concave toward an image plane, and is made with capability of cross-section displacement relative to an optical axis; and the fourth lens group is convex-concave glued lens. |
| US08736966B2 |
Light source device having laser devices with stem and cap
A light source device includes a light source main unit made of a combination of a plurality of semiconductor laser devices, a plurality of collimator lens respectively capable of converting light beams emitted by the respective semiconductor laser devices of the light source main unit to respective approximately parallel light beam fluxes, and a condenser lens capable of condensing light beam fluxes emitted by the plurality of collimator lenses. The light source main unit has the plurality of semiconductor laser devices arranged, when viewed from the condenser lens, so that the stems of the adjacent semiconductor laser devices are seemingly continuous in a first direction perpendicular to the optical axis of the condenser lens, and the stems of the adjacent semiconductor laser devices are overlapped in a second direction perpendicular to both the direction of optical axis and the first direction. |
| US08736965B2 |
Beam combiner
A beam combiner includes a first lens and a second lens coated with specific optical films. The first color light beam enters the first lens via a first incidence surface with an incidence angle of Brewster's angle. The second color light beam enters the first lens via the second incidence surface with an incidence angle of zero degree. The third color light beam enters the second lens via the third incidence surface with an incidence angle of zero degree. The first, the second, and the third color light beams transmit in the same path after the splitting face to form the composite light beam and come out via an exit surface. |
| US08736964B2 |
Head-up display apparatus
A head-up display apparatus forms a virtual image of a display image viewed from a viewpoint region by projecting the display image onto a projection face. The apparatus includes a screen member and an optical device. The screen member includes an image formation face that forms the display image. The optical device includes a reflection face, which receives and reflects the display image by the image formation face, to project onto the projection face. The image formation face includes, in a grid array, convex portions and concave portions, which are convex and concave from a virtual reference face and alternated with each other along x axis and y axis. A perpendicular line to the virtual reference face at any position of the image formation face passes through an outside of the reflection face of the optical device. |
| US08736963B2 |
Two-dimensional exit-pupil expansion
A near-eye display system includes an image former and first and second series of mutually parallel beamsplitters. The image former is configured to form a display image and to release the display image through an exit pupil. The first series of mutually parallel beamsplitters is arranged to receive the display image from the image former. The second series of mutually parallel beamsplitters is arranged to receive the display image from the first series of beamsplitters, and to release the display image through an exit pupil longer and wider than that of the image former. The second series of beamsplitters has a different alignment and a different orientation than the first series of beamsplitters. |
| US08736960B2 |
Structure with observation port
Provided is a structure with an observation port. The structure with the observation port is provided with the observation port and an internal structure. The internal structure is located to the backside of the observation port and has a third reflection preventing film. The first reflection preventing film is a film that reduces reflected light by using light interference. Each of the second and third reflection preventing films has a surface comprising a plurality of convex portions, a distance between apexes of each adjacent two of which does not exceed the visible light wavelengths. Light obtained by combining light reflected by the surface of the first reflection preventing film, light reflected by the surface of the second reflection preventing film, and light reflected by the surface of the third reflection preventing film has a flat wavelength dispersion within the visible light range. |
| US08736959B2 |
Omnidirectional reflector
An omnidirectional reflector that reflects a band of electromagnetic radiation of less than 100 nanometers when viewed from angles between 0 and 45 degrees is provided. The omnidirectional reflector includes a multilayer stack having a plurality of layers of high index of refraction material and a plurality of layers of low index of refraction material. In addition, the plurality of high index of refraction material layers and low index of refraction material layers are alternately stacked on top of or across each other and provide a non-periodic layered structure. |
| US08736950B2 |
MEMS deployment flexures
A flexure assembly can have a stage that is deployed to a desired position by attachment of the flexure assembly to a housing. For example, a frame can be configured to be held in position by one portion of the housing and a deployment pad can be configured to be held in position by another portion of the housing. A deployment flexure can be configured to facilitate positioning of the frame and the deployment pad out-of-plane with respect to one another. The deployment flexure and a motion control flexure can facilitate movement of the stage with respect to the housing. In this manner, the position of the stage and the preload of the stage are determined by the housing. |
| US08736946B2 |
Transparent electrochromic systems with a plurality of polarisation electrodes
The invention relates to transparent electrochromic systems which each include one pair of supply electrodes and at least one pair of polarization electrodes. The polarization electrodes prevent a reaction of mutual neutralization of the electroactive substances of the systems from causing unnecessary consumption of electric current. Said electrodes also prevent a neutralization reaction from limiting a lower value of light transmission of the systems. For this purpose, the polarization electrodes produce an electric field inside the systems, which attracts the electroactive substances that have already reacted with the supply electrodes to different areas. |
| US08736945B2 |
Lens module with infrared absorbing filter
A lens module includes an optical element and an infrared absorbing filter covering on the optical element. The infrared absorbing filter includes an electrochromic substrate. The electrochromic substrate changes from colorlessness to blue and absorbs the infrared constituent of incoming light when a preset voltage is applied on the electrochromic substrate. |
| US08736939B2 |
Matching layer thin-films for an electromechanical systems reflective display device
This disclosure provides systems, methods and apparatus for an electromechanical systems reflective display device. In one aspect, an electromechanical systems display device includes a reflective layer and an absorber layer. The absorber layer is spaced apart from the reflective layer to define a cavity between the absorber layer and the reflective layer. The absorber layer is capable of transmitting light into the cavity, absorbing light, and reflecting light, and includes a metal layer. A plurality of matching layers are on a surface of the absorber layer facing away from the cavity, the plurality of matching layers including a first matching layer disposed on the absorber layer and a second matching layer disposed on the first matching layer. |
| US08736938B1 |
Electronically controlled insulated glazing unit providing energy savings and privacy
An insulated glazing unit includes a spacer defining a framed area, first and second glazing panes attached to the spacer, a pane conductive layer on an inner surface of the first glazing pane, and a dielectric layer disposed on the pane conductive layer. A shade for use with the insulated glazing unit is affixed to the first glazing pane. The shade includes one or more layers selected from a resilient layer, a substantially transparent shade conductive layer, and an opaque shade conductive layer. When an electric drive is applied between the pane conductive layer and the shade conductive layer, a potential difference between the pane conductive layer and the shade conductive layer causes the shade to extend from a retracted configuration to an extended configuration. The shade can further include at least one ink coating layer including pigments that selectively reflect or absorb certain visible colors and infrared. |
| US08736929B2 |
Recording and recalling of scan build job and scan batch job settings
Methods perform at least two different segments of a scan job by sequentially scanning the different segments using an optical scanner. Each of the different segments is scanned with the optical scanner manually set to different settings. The methods automatically combine the different settings to produce a recurring scan workflow. The recurring scan workflow includes such different settings of the different segments and information of the number of pages scanned in each of the different segments. Further, such methods perform at least one later scan job having later segments corresponding to the different segments of the original scan job after creating the recurring scan workflow. During the later scan job the computerized device automatically changes settings of the optical scanner between the later segments, without requiring the user to manually change the different settings between the later segments. |
| US08736926B2 |
Sheet conveyance device, and image forming apparatus and image reading device including same
A sheet conveyance device includes a loading section, a sheet feeding unit, a separation section disposed downstream in a sheet conveyance direction from the sheet feeding unit, a conveyance member to transport a sheet separated by the separation section, a trailing-edge detector disposed at a first conveyance distance (L1) downstream from a separation position (Ab) and including a rotary follower and a rotation detector, a first leading-edge detector disposed downstream from the trailing-edge detector, and a controller. The trailing-edge detector A detects a sheet length in the sheet conveyance direction. The controller causes the sheet feeding unit to start sheet feeding in response to detection of the leading edge of the sheet by the first leading-edge detector when the detected sheet length equals a predetermined reference length and in other cases in response to detection of the trailing edge of the sheet by the trailing-edge detector. |
| US08736921B2 |
Rotatable scanner and image forming apparatus
A rotatable scanner includes a scanner body and a document holder. The scanner body includes an exposure surface on which a document is placed. The document holder is provided above the scanner body to cover a document placed on the exposure surface of the scanner body, and includes a hinged side and a free side opposite the hinged side. A front upper edge of the scanner body is chamfered. |
| US08736919B2 |
Image systems and scan methods
An imaging system is provided, including a detection unit and a scan unit. The detection unit senses radiation of a target area. The scan unit directs the radiation to the detection unit, in which the scanning unit scans the target area N times at a constant speed within a scan period, such that each of the pixels of the target area is scanned N times by the scan unit, thereby the detection unit generates N sub-detection values for each of the pixels and adds the N sub-detection values up to generate a detection value for each of the pixels. |
| US08736914B2 |
Image scanning apparatus and methods of using the same
An image scanning apparatus includes a housing. A first image sensor (linear scan imager) is attached at a first position along the housing. The first image sensor is configured and adapted to scan an image. A second image sensor (area scan imager) is attached at a second position along the housing. The second image sensor is configured and adapted to scan an image to detect movement of the apparatus in the X and Y axis. Movement in the Y axis of the apparatus as detected by the second image sensor is utilized to trigger the first image sensor. Movement in the X axis of the apparatus as detected by the second image sensor is utilized to correct image defects (e.g. skew) of the image captured by the first image sensor thereby allowing the second image sensor to capture a 2D inspection area. |
| US08736912B2 |
Image processing apparatus, image processing method and computer readable medium
An image processing apparatus includes a controller programmed to receive image data and also receive, from a user, an input number of separators included in the received image data. The controller detects a number of times a separator is included in the received image data based on criteria for detecting the separator, and determines, based on the detected number of times and the input number of separators, whether the criteria needs to be modified. In response to determining that the criteria needs to be modified, the controller modifies the criteria for detecting the separator and repeats detection of a number of times the separator is included in the received image data based on the modified criteria for detecting the separator. |
| US08736907B2 |
Image processing apparatus, control method, and computer program product capable of minimizing cross-linkage between line screens
An image processing apparatus comprises a dither processing device that applies dither processing to input image data to express halftone using line screens by increasing an area rate of the input image data and a controller that decreases the number of line screens and maintains a prescribed dropout width between the neighboring line screens when the area rate of the input image data increases and the dropout width falls below a prescribed level. |
| US08736904B2 |
Image forming system
An image forming system includes: a plurality of image forming apparatus each having a storage section; a density conversion data registering section obtaining density conversion data composed of a combination of a voltage value and a density value as colorimetry results of a color sensor and an external colorimeter, respectively, and storing the data into the storage section of the apparatus which forms a density correcting chart to be used for the colorimetry; a paper setting section storing a tray paper profile or a paper profile into a paper setting storage section, with the profiles correlated with at least one piece of the data obtained by the density conversion data registering section; and a correction controlling section making the plurality of image forming apparatus perform printer γ correction based on the data correlated with the paper profile or the tray paper profile at a time of the image formation. |
| US08736903B2 |
Image processing apparatus, image forming apparatus, and computer readable medium storing program
An image processing apparatus includes a setting unit, a generating unit, and a converting unit. The setting unit sets a gloss level of each of plural areas into which an image is divided. The image is formed by forming plural toner images having different colors using plural first toners and at least one second toner having at least one same color as the first toners and by fixing the plural toner images onto a recording medium so as to be superimposed on one another. The generating unit generates multi-level image data for each of the first toners and the at least one second toner in accordance with the gloss levels set by the setting unit. The converting unit converts multi-level image data of toners having the same color into binary image data. The converting unit also converts multi-level image data of toners having different colors into binary image data. |
| US08736902B2 |
System to enable multi-pass clear toner layer printing
A method for rendering a clear toner layer is disclosed for a received print job description that is provided in multiple channels, including a clear channel and a color channel. A program selection is executed for a multiple pass operation. Image processing is performed on the print job description to generate a ready-to-print file. A layer of an image is rendered in a first pass using a clear toner applying component and a pigmented toner applying component. The values of the color channel are modified, and the ready-to-print file is modified using the values. The modified ready-to-print file is saved in a ready-to-print format. A layer of the image is rendered in a select pass using only the clear toner applying component. |
| US08736901B2 |
Information processing apparatus, information processing method, and storage medium
Data specified by a distributor can be printed in an arrangement similar to that of the display state corresponding to the layout which is viewed by a person, to whom a printed matter is distributed, on the screen of his/her device in use. By specifying a user, i.e., the distribution destination for the printed matter, an information processing system can print the output data for a portlet application in accordance with the layout on the portal screen displayed by the user. In the portal server 102, the user information control section 205 manages the registration status of portlet application on a per-user or per-group basis and the layout information about print data. When a user or a group, i.e., the distribution destination for the printed matter, is specified, the output data for a portlet application is printed in accordance with the layout displayed on the portal screen set in the device used by the specified user, based on user information. |
| US08736897B2 |
Method for printing address labels using a secure indicia printer
Printing methods and systems that provide both a secure value label printing mode of operation and a non-secure mode of operation that allows generic printing of non-value items without compromising the security feature of the secure printing mode are described. If the printing system determines the image is a non-secure image such as an address label or other non-value graphic, the printing system utilizes the non-secure mode and disables the use certain printhead elements. In such a system, the enforced print disabled white bands are enforced in non-secure mode such as by actually disabling the print drive mechanism that allows a row to be printed or by populating certain regions of the print buffer with zero values. |
| US08736896B2 |
Optical scanning unit and image forming apparatus including a beam splitter for adjusting light intensity of a light source
An optical scanning unit includes a light source including a plurality of light-emitting elements; a light detector to detect a light beam emitted from the light source; a light-flux splitter, angled to the optical axis of the light beam emitted from the light source, having an aperture, a portion of reduced thickness susceptible to warping, a concave face of the warped light-flux splitter as a reflecting face, and a convex face of the warped light-flux splitter opposite the concave face as a non-reflecting face; and a light-flux splitter pressing unit to press the light-flux splitter onto a light-flux splitter holding member without blocking the aperture. Light beam passed the aperture is used as a write-use light flux. The reflecting face reflects a light flux other than the write-use light flux as a monitor-use light flux. The light-flux splitter pressing unit presses a portion of maximum convexity of the non-reflecting face. |
| US08736893B2 |
Reduction of pattern glare
A custom color profile is generated for a user in response to user input. A print-on-demand (POD) order for published content is received from the user. The POD order is fulfilled in view of the custom color profile for the user. |
| US08736891B2 |
Apparatus, method and medium storing a program for generating an image after variable magnification by arranging a calculated number of normalized tile or unit images in a drawing region
An image forming apparatus and method perform variable-magnification processing of an image while a change in an impression of an image and the processing load are suppressed. The image forming apparatus generates a normalized tile image in a tile image and calculates the number of the normalized tile images that can be arranged in a drawing region after variable magnification. If the number is not less than a first threshold value, data including a tile image in which the normalized tile images in the number are arranged in the drawing region after the variable magnification is generated as data after the variable magnification. |
| US08736890B2 |
Copier configured to copy an image and data stored in a storage medium of an original document based on selection modes
A copier is provided. The copier is configured to copy an image of an original document, which has a storage medium, and the storage medium, wherein a process of copying the original document, which has the storage medium, has three operation modes (A), (B), and (C) of (A) copying the storage medium and the image of the original document, (B) copying only the storage medium, and (C) copying only the image of the original document. Further, the copier has a selection unit that selects an operation mode to be performed among the operation modes. |
| US08736885B2 |
Multiproduct printing workflow system with dynamic scheduling
A method for end-to-end printing, including entering into service level agreements with each of a plurality of partner systems that enable customers to order personalized print products, wherein a service level agreement designates maximum delays for finishing customer print orders, receiving customer print orders transmitted from the plurality of partner systems, each print order specifying at least one personalized print product, serializing the print orders into a plurality of work items, each work item corresponding to a part of a personalized print product that is to be printed on printable material, dynamically assigning priorities to the work items, dynamically advancing the work items through a plurality of print processing states, wherein each processing state processes work items in order of their priorities. |
| US08736882B2 |
Printing system, service processing method, and storage medium
A printing system includes a web application of a server apparatus to respond to a browser of a client apparatus and provides a print service to the client apparatus by controlling first and second data processing apparatuses in charge of the print service. The server apparatus requests the first data processing apparatus to store the document information in response determining that an edition service is registered to document information acquired from the browser. The second data processing apparatus applies layout adjustment processing to the document information to obtain a layout adjustment having a reduced number of pages value. The second data processing apparatus additionally compares the reduced number of pages value and a threshold value to determine whether reduced page printing is to be performed. If reduced page printing is not to be performed, the first data processing apparatus is instructed to delete a result of stored layout adjustment processing. |
| US08736880B2 |
Image forming system, image forming apparatus, and non-transitory computer readable medium which is a transmission destination of image data
An image forming system includes an image forming apparatus, a transmission apparatus, a reception section that is provided in the image forming apparatus and receives a designation of the transmission apparatus, a first transmission section that is provided in the image forming apparatus and transmits apparatus information indicating the own apparatus to a transmission apparatus designated in the reception section, a first storage unit that is provided in the transmission apparatus and stores the apparatus information transmitted from the first transmission section, a second transmission section that is provided in the transmission apparatus and transmits image data to an image forming apparatus indicated by the apparatus information stored in the first storage section, and an image forming unit that is provided in the image forming apparatus and forms an image corresponding to the image data transmitted from the second transmission section. |
| US08736879B2 |
Managing settings for image processing job options
Settings for various options in image processing jobs may be restricted or otherwise limited based on the settings for corresponding or different options selected in preceding image processing jobs. In one example, a user may wish to join a preceding job and a subsequent job into a single job for processing at one time. In such an example, the settings defined for options in the preceding job may affect selectable options or settings in the subsequent job. According to one aspect, multiple preceding jobs to be joined to a current subsequent job may have conflicting settings. Accordingly, a user may be requested to select one of the preceding jobs or one of the conflicting options to use for the subsequent job and the joint job. |
| US08736878B2 |
System and method for obtaining an electronic document
Methods, devices, and computer-readable storage media are provided. Some embodiments of the invention include an image processing device displaying on a display of the image processing device a machine-readable code, wherein information encoded in the machine-readable code is usable by a mobile computing device to establish a communication session between the mobile computing device and the image processing device. In some embodiments, the mobile computing device reads the machine-readable code, obtains the information by decoding the machine-readable code, and establishes the communication session using the information. In some embodiments, during the communication session, the image processing device receives a scan command, scans a physical document in response to the scan command, and sends an electronic document representing the scanned physical document to the mobile computing device. |
| US08736875B2 |
Printing errors content displayed on display screen
Methods and systems are disclosed that generate a screen capture image together with processing selectable options for a user. The screen capture image is saved to a memory of the system and the selectable options are chosen to communicate with an external device and/or helpdesk where information related to the screen can be analyzed or diagnosed for technical issues. |
| US08736871B2 |
Image processing apparatus and image processing method
An image processing apparatus for performing rendering processing includes an input unit configured to input information relating to an object, a classification unit configured to classify a graphic type of the object based on the information relating to the object, and a processing unit configured to switch a processing procedure according to the graphic type classified by the classification unit to generate edge information relating to the rendering processing. |
| US08736866B2 |
Image processing apparatus, control method therefor, and storage medium
An image processing apparatus comprising, a detector unit configured to detect an event that a user logged in to the image processing apparatus logs out, an query unit configured to be operable when said detector unit detects the event, to query the user whether or not to change a setting of a job under execution, and a control unit configured to be operable when the setting of the job is to be changed as a result of the query made by said query unit, to change the setting of the job and then perform a logout, and, when the setting of the job is not to be changed as a result of the query made by said query unit, to restrict the logout. |
| US08736865B2 |
Image processing apparatus and image processing method that can print an image in which a pattern or sweeping phenomenon specific to the error diffusion process does not appear
In order to vary a threshold value for performing an error diffusion process depending on a pixel position, a threshold value matrix configured to have pluralities of rows and columns is prepared. In this case, pieces of data in the threshold value matrix are arrayed such that average values in the respective rows and average values in the respective columns are almost the same value. If such a threshold value matrix is used to perform the error diffusion process, the dot sparseness and denseness do not occur with a period of the matrix, and therefore the pattern or sweeping phenomenon specific to the error diffusion can be suppressed. |
| US08736863B2 |
Method and system for searching for missing resources
A method of searching for missing resources associated with an image forming apparatus, which includes forwarding a print job having a resource call-out from a host computer to an image forming apparatus; receiving the print job on the image forming apparatus; checking the image forming apparatus for a resource, which has been called out by the print job, and if the resource is not available on the image forming apparatus, obtaining the resource from a device having the resource by: sending a request for the resource from the image forming apparatus to the device having the resource; receiving a response from the device having the resource indicating that the resource is a secured resource requiring user authentication; and obtaining the secured resource by sending the user authentication to the device having the secured resource. |
| US08736858B2 |
Image processing apparatus, image processing method and recording medium
An image processing apparatus that selects an image output mode from one of a plurality of output modes, the image processing apparatus including: an output mode selection unit that selects the image output mode by sequentially determining whether or not to select an image output mode in accordance with an output mode order allotted to the plurality of output modes, based on a ratio of a classified number of blocks to a reference number of blocks, wherein in a first determination in the output mode order, the reference number of blocks is a total number of blocks of the image, and in a second or subsequent determination in the output mode order, the reference number of blocks is a value that is obtained by subtracting the classified number of blocks in a preceding determination in the output mode order from the reference number of blocks in the preceding determination. |
| US08736856B2 |
Method of executing additional extended feature of image forming apparatus and image forming apparatus to perform the same
A method of executing an additional extended feature of an image forming apparatus, includes receiving an application from an external storage medium, the application corresponding to the additional extended feature, installing the received application using one operating system of the plurality of operating systems, selecting the additional extended feature from a menu showing at least one application installed in the image forming apparatus, and executing an application corresponding to the selected additional extended feature using an operating system corresponding to the selected additional extended feature. |
| US08736854B2 |
Image reading apparatus controlling image reading unit in set of operation modes
One aspect of the invention provides an image reading apparatus including: a document placement portion on which a document is allowed to be placed; a display portion, at least a part of which is transmissive of light; an image reading unit movable along a first direction below the document placement portion and comprising an light emitting unit configured to emit light; and a control unit operable to control the image reading unit in a plurality of operation modes. The plurality of operation modes include a first operation mode that allows the image reading unit to be positioned at a first position corresponding to the display portion and cause the light emitting unit to emit the light, and the display portion is transmissive of the light emitted from the light emitting unit at the first position. |
| US08736853B2 |
Method of forming characters for microprint and image forming apparatus using the same
Disclosed is a method of forming characters for microprint and an image forming apparatus using the same. The method of forming characters for microprint includes determining for every image character a size font taking into account the rules to create small prints, rasterizing a character into a bitmap, skeletonizing the bitmap, reformatting the bitmap maintaining a character legibility, storing the bitmap, and forming halftoning cells from the reformatted bitmap. |
| US08736852B2 |
Apparatus for forming an image on a medium
An image forming apparatus includes a rasterizing unit that rasterizes character information representing a character in a vector form into a first raster image in which pixels are arranged at a first predetermined density, a generator unit that generates a second raster image in accordance with the first raster image rasterized, and a mask image in which plural pixels are arranged at a second predetermined density, the plural pixels including a first pixel, and a second pixel, a exposure unit that irradiates an image carrier with the beam in response to the second raster image generated, a supply unit that supplies a developer to the image carrier which the exposure unit has irradiated with the beam, and develops on a surface of the image carrier an image responsive to the second raster image, and a transfer unit that transfers the developed image to a medium. |
| US08736848B2 |
Non-energy dissipating, curvature sensing device and method
A non-energy dissipating, curvature sensing device senses curvature variation of a sample and comprises an outer layer, an inner layer and at least one spacer. The outer layer is flexible, transparent material and has a shape. The inner layer is flexible, transparent material, has a shape corresponding to the shape of the outer layer, is positioned under the outer layer and is thicker and harder than the outer layer. At least one spacer is positioned between the outer layer and the inner layer and creates space between the outer layer and the inner layer. A non-energy dissipating, curvature sensing method is also disclosed. |
| US08736847B2 |
Method and apparatus for imaging
A system that incorporates teachings of the present disclosure may include, for example, an apparatus that includes a processor coupled with a memory where the processor is operable to obtain a first speckled pattern of a first defocused image of a neighborhood of a location on an object, to obtain a second speckled pattern of a second defocused image of the neighborhood, to determine a shift between the first and second speckle patterns, and to calculate slope information of a surface profile at the location based on the determined shift. Other embodiments are disclosed. |
| US08736845B2 |
Frequency stabilized laser system
A laser stabilization system includes laser source having first and second ends; first waveguide portion having first and second ends, first end of first waveguide portion coupled to first end of laser source; second waveguide portion having first and second ends, first end of second waveguide portion coupled to second end of laser source; micro-cavity coupled between second end of first waveguide portion and second end of second waveguide portion, micro-cavity having resonant frequency; and electronic locking loop coupled between micro-cavity and laser source, wherein electronic locking loop electronically locks laser source to resonant frequency of micro-cavity; wherein first waveguide portion is optical locking loop coupled between micro-cavity and laser source, wherein optical locking loop optically locks laser source to resonant frequency of micro-cavity; micro-cavity stabilization loop coupled with micro-cavity, wherein micro-cavity stabilization loop stabilizes resonant frequency of micro-cavity to reference frequency; and output for outputting light from system. |
| US08736842B2 |
Actuation and evaluation circuit, measuring device and method for measuring the concentration of a gas
The invention relates to an actuation and evaluation circuit for a laser diode (1) and a photodiode (3) for determining the concentration of a gas. The laser diode can generate light in the range of an absorption line of the gas. The circuit comprises a driver (10, 11, 12, 13) for generating a driving signal (17) for the laser diode (1), an assembly (8, 9) for generating a reference signal (20), and a subtractor (5) for subtracting the reference signal (20) from the signal (21) supplied by the photodiode. The invention further relates to a measuring device for determining the concentration of a gas by means of such an actuation and evaluation circuit. Finally, the invention relates to a corresponding method. |
| US08736837B2 |
Method and flow cell for characterizing particles by means of non-Gaussian temporal signals
The present disclosure relates to the field characterization of particles in a sample solution. More specifically, the present disclosure relates to a flow cell and a method for characterizing particles by means of collected non-Gaussian temporal signals. The present flow cell and method rely on an excitation fiber with a channel. The excitation fiber has a core for transporting an excitation light generated by a light source, and defines a channel through a portion of its core. The channel of the excitation fiber directs a flow of the sample solution. The excitation fiber, the channel and collection fibers characteristics are selected, proportioned and positioned to generate collected light with a non-Gaussian temporal intensity profile. |
| US08736835B2 |
Dual-gas microcavity Raman sensor and method of use
In accordance with the present invention, a dual-gas Raman sensor is provided that is based on an enhanced spontaneous dual emission as a result of cavity quantum electrodynamic effects. The dual-gas sensor includes a first reflector that exhibits a high reflectivity near the Raman shifted emission for the first species of interest and a moderate reflectivity near the Raman shifted emission for the second species of interest and a second reflector that exhibits a high reflectivity near the Raman shifted emission for the first species of interest and a moderate reflectivity near the Raman shifted emission for the second species of interest, allowing for the simultaneous measurement of the density of both the first species of interest and the second species of interest. |
| US08736834B2 |
Modular optical sensor system for fluid media
A modular optical sensor system for fluid media has a measuring module which includes an exchangeable fluid chamber and an exchangeable optic holder. The fluid chamber has an inlet and an outlet as well as a measurement space for the fluid medium. The optic holder has at least one optical transmitter and at least one optical receiver. The optic holder is inserted within the measuring module relative to the fluid chamber in such a way that the radiation emitted by the optical transmitter traverses the measurement space for the fluid medium in the fluid chamber and impinges on the optical receiver. |
| US08736833B2 |
Device and method for sensing a change of yarn feed bobbin
A device for sensing the change of feed bobbin for a yarn fed to a textile machine and originating from a first bobbin or a second bobbin connected together in head-tail manner includes at least one first sensor and one second sensor at a passage section of a support body, a control unit associated with the first sensor and second sensor. The first sensor and the second sensor generates first and second presence signals when the yarn unwound from the first bobbin or from the second bobbin passes in front of the first sensor or second sensor. The control unit receiving as input the first and/or second presence signal to generate at least one output signal representative of the first bobbin or of the second bobbin on the basis of the first or second presence signal. |
| US08736830B2 |
Pattern inspection device of substrate surface and pattern inspection method of the same
There is provided a pattern inspection device for a substrate surface which can inspect a substrate including a pattern whose size is equal to or smaller than light resolution limit at high speed. The pattern inspection device for the substrate surface includes: a near-field optical head 101 having a fine repetitive pattern; a θ driving unit 311 of scanning an inspected substrate 900 relatively to the near-field optical head 101; a space holding mechanism of holding a space between the near-field optical head 101 and the inspected substrate 900 constant; alight source 110 of irradiating light to the near-field optical head 101; a detection system 201 of detecting an intensity of scattered light generated by interaction between the fine repetitive pattern on the near-field optical head 101 and a fine pattern on a surface of the inspected substrate 900; and a signal processing unit 321 of inspecting the fine pattern on the inspected substrate 900 based on an output of the detection system 201. |
| US08736829B2 |
Directional beacon device
A beacon device includes a control circuitry, a window, and a plurality of sets of illumination sources. The window includes a prismatic structure forming a ring from a planar perspective. The prismatic structure defines an inside surface and an outside surface from the planar perspective. The plurality of sets of illumination sources are coupled to the control circuitry. Each set of illumination sources includes a first illumination source disposed proximal to the inside surface of the prismatic structure and includes a second illumination source disposed proximal to the outside surface of the prismatic structure. The control circuitry is to illuminate a first set of the plurality of sets of illumination sources to transmit a signal in a first direction. |
| US08736819B2 |
Distance measuring instrument
The invention provides a distance measuring instrument, comprising a light emitting unit 13 for emitting a distance measuring light, a photodetecting unit 14 for receiving and detecting a reflected distance measuring light from an object to be measured and a part of the distance measuring light emitted from the light emitting unit as an internal reference light, a sensitivity adjusting unit 23 for electrically adjusting photodetecting sensitivity of the photodetecting unit, and a control arithmetic unit 22 for calculating a measured distance based on a photodetection signal of the reflected distance measuring light from the photodetecting unit and based on a photodetection signal of the internal reference light, wherein the control arithmetic unit can measure a distance by selecting a prism mode measurement and a non-prism mode measurement, and controls so that photodetecting sensitivity of the photodetecting unit is changed by the sensitivity adjusting unit in response to the selected measurement mode. |
| US08736814B2 |
Lithography wave-front control system and method
Some embodiments include system and methods to obtain information for adjusting variations in features formed on a substrate of a semiconductor device. Such methods can include determining a first pupil in an illumination system used to form a first feature, and determining a second pupil used to form a second feature. The methods can also include determining a pupil portion belonging to only one of the pupils, and generating a modified pupil portion from the pupil portion. Information associated with the modified pupil portion can be obtained for controlling a portion of a projection lens assembly of an illumination system. Other embodiments are described. |
| US08736813B2 |
Exposure apparatus with an illumination system generating multiple illumination beams
An exposure apparatus (10) for transferring a mask pattern (12A) from a mask (12) to first and second substrates (14A) (14B) includes an illumination system (18) that generates and simultaneously directs a first beam (32A) at the mask pattern (12A) and a second beam (32B) at the mask pattern (12A). Further, the first beam (32A) is spaced apart from the second beam (32B) at the mask pattern (12A). As provided herein, the first beam (32A) directed at the mask (12) creates a first pattern beam (34A) that is transferred to a first substrate location (33A), and the second beam (32B) directed at the mask (12) creates a second pattern beam (34B) that is transferred to a second substrate location (33B). Moreover, the first substrate location (33A) is spaced apart from the second substrate location (33B). With this design, the first pattern beam (34A) can be transferred to the first substrate (14A) and the second pattern beam (34B) can be simultaneously transferred to the second substrate (14B). As a result thereof, the same mask (12) can be used to simultaneously transfer features to two wafers (14A) (14B) to approximately double the throughput capabilities of the exposure apparatus (10). |
| US08736812B2 |
Projection-type photolithography system using composite photon sieve
The present disclosure relates to the field of micro-nano fabrication, and provides a projection-type photolithography system using a composite photon sieve. The system comprises: a lighting system, a mask plate, a composite photon sieve and a substrate, which are arranged in order. The lighting system is adapted to generate incident light and irradiate the mask plate with the incident light. The mask plate is adapted to provide an object to be imaged by the composite photon sieve, and the incident light reaches the composite photon sieve after passing through the mask plate. The composite photon sieve is adapted to perform imaging, by which a pattern on the mask plate is imaged on the substrate. The substrate is adapted to receive an image of the pattern on the mask plate imaged by the composite photon sieve. According to the present disclosure, because the composite photon sieve is used instead of a projection objective lens in a conventional projection-type photolithography system, the advantage of high efficiency in the conventional projection-type photolithography system can be reserved, and also photolithography can be performed in batches rapidly, so that photolithography efficiency can be improved. Meanwhile, costs can be effectively cut down and the system can be reduced in size. |
| US08736805B2 |
Liquid crystal mirror adapted to filter light in the mesopic wavelength region
A mirror system, comprising a spectrally selective liquid crystal reflective assembly, designed and constructed to substantially absorb or transmit light at wavelengths corresponding to mesopic conditions, while reflecting light at other wavelengths. In one embodiment, the reflectance level of the mirror system is altered in response to a voltage applied across the selective liquid crystal reflective assembly. |
| US08736804B2 |
Liquid crystal display device comprising a concavo-convex pedestal formed with a convex portion and a concave portion at a bottom of the concavo-convex pedestal
A liquid crystal display device includes a TFT substrate having an organic passivation film, and a counter substrate, with liquid crystals inside of the liquid crystal display device. A columnar spacer is formed on the counter substrate, which defines a distance between the TFT substrate and the counter substrate, and a concavo-convex pedestal is formed in a pixel region of the TFT substrate, the concavo-convex pedestal being provided in facing relation to the columnar spacer. The concavo-convex pedestal is formed with a convex portion and a concave portion at a bottom of the concavo-convex pedestal, with a top end of the columnar spacer being in contact with two or more convex portions formed on the bottom of the concavo-convex pedestal, and an area at the bottom of the concavo-convex pedestal being larger than the area at the top end of the columnar spacer. |
| US08736802B2 |
Liquid crystal display (LCD)
A liquid crystal display (LCD) is provided that comprises a rearward LCD substrate sheet that has an array of vias formed, where the vias provide electrical conduction between both sides of the rearward LCD substrate sheet. The number of vias in the array is substantially equal to or at least equivalent to a combination of a number of column drive lines and a number of row drive lines. The respective drive lines are connected to a corresponding via, such as on one side of the rearward LCD substrate sheet, and respective patterned conductors are connected to a corresponding via, such as on the other side of the rearward LCD substrate sheet. The patterned conductors provide a connection between respective drive lines and one or more corresponding drivers. In one example, this allows a “full bleed” display to be generated. |
| US08736801B2 |
Display panel and display device comprising the same
A display panel and a display device having the display panel are discussed. According to an embodiment, the display panel includes a lower substrate provided with a display area and a non-display area; a plurality of data pad portions formed at a side region of the non-display area; an upper substrate bonded to the lower substrate, except for the side region of the non-display area; and at least one ground line supplied with ground power, and formed on the lower substrate of the non-display area to surround in part an outline portion of the display area. |
| US08736800B2 |
Display device
A display device includes a first substrate, at least a first protrusion, a first electrode, a second substrate, at least a second protrusion, a second electrode and a display medium. The first protrusion is disposed on the first substrate. The first electrode is disposed on the first protrusion. The second substrate is disposed opposite to the first substrate. The second protrusion is disposed on the second substrate. The second electrode is disposed on the second protrusion, wherein the first electrode and the second electrode are displaced in a horizontal direction so as to form a lateral electric field therebetween. The display medium is sandwiched between the first and the second substrates. |
| US08736798B2 |
Optical element
An optical element is provided. The optical element shows excellent durability, hardness property and reworkability. Therefore, the optical element can have a stable light division property since the phase retardation property of the phase retardation layer in the optical element can be stably maintained for a long period of time under severe conditions. Also, it is possible to prevent side effects such as light leakage in an optical instrument to which the optical element is applicable. Also, the optical element can show excellent resistance to external pressure or scratches. |
| US08736796B2 |
Liquid crystal panel and liquid crystal display device
A first retardation plate arranged on a front side causes light received through the a first polarizing plate from the front side to become close to circularly polarized light rotating in a first direction. Second and third retardation plates arranged on a back side cause light received through a second polarizing plate from the back side to become close to circularly polarized light rotating in a second direction opposite to the first direction while passing through both of the second and third retardation plates and the liquid crystal layer in black display period. With this structure, good image quality can be obtained even when used in outdoor. |
| US08736795B2 |
Paint, retardation element, display device, method for manufacturing retardation element
A retardation element includes an alignment film and a retardation layer in contact with a surface of the alignment film, and the retardation layer is formed by applying a paint containing a liquid crystal monomer and a non-liquid crystal monomer on the surface of the alignment film and then polymerizing the paint while the liquid crystal monomer is placed in an alignment state. |
| US08736793B2 |
Liquid crystal display panel, and liquid crystal display device
The present invention provides a liquid crystal display panel and a liquid crystal display device presenting a reduced color addition and an improved bright room contrast. The liquid crystal display panel of the present invention includes wirings made of a metal having at least 90% reflection over a wavelength region within the visible light region, where the reflectance of the liquid crystal panel over a wavelength range of 600 to 700 nm at the display surface is no greater than 150% of the reflectance at the wavelength of 550 nm at the display surface. |
| US08736792B2 |
Viewing-angle-enhancing film for liquid crystal display device, protective film with viewing-angle-enhancing-function, and liquid crystal display device
To provide a viewing-angle-enhancing film which is set in a liquid crystal display device at a position nearer to an observer than the position of a liquid crystal layer in the device, and which attains, at a high level, the compatibility of being enhanced in viewing angle with a decrease in the darkening of images at the time of observing the screen from the front thereof. A viewing-angle-enhancing film which is set in a liquid crystal display device at a position nearer to an observer than the position of a liquid crystal layer in the device, and simultaneously satisfies the following requirements (1) to (3): (1) the film has a parallel ray transmittance of 5 to 90%; (2) the film has a diffusivity (A) of 1 to 20 degrees in its main diffusion direction; and (3) the film has a diffusivity ratio of 0.25 to 15% in the main diffusion direction. |
| US08736791B2 |
Liquid crystal display device
The present invention provides a liquid crystal display device, which includes a TFT substrate, a CF substrate that is arranged parallel to the TFT substrate, liquid crystal interposed between the TFT substrate and the CF substrate, spacers arranged between the TFT substrate and the CF substrate, and an enclosing resin frame arranged between the TFT substrate and the CF substrate and located along edges of the TFT substrate and the CF substrate. The CF substrate includes a first glass substrate and a flexible color filter film arranged on the first glass substrate. The flexible color filter film is of a form of thin film bonded to the first glass substrate. The liquid crystal display device uses a flexible color filter film to replace a conventionally used color filter plate so as to simplify the manufacture. |
| US08736790B2 |
Organic light emitting diode display with liquid crystal layer
An OLED display according to an exemplary embodiment includes: a first substrate; a second substrate facing the first substrate; an organic light emitting element on the first substrate; a liquid crystal driving electrode facing the organic light emitting diode at a lower portion of the second substrate; and a plurality of liquid crystals between the organic light emitting element and the liquid crystal driving electrode. In this case, the plurality of liquid crystals has optical isotropy when an electric field is not applied and has optical anisotropy when the electric field is applied. |
| US08736786B2 |
Liquid crystal display
A liquid crystal display is disclosed. In one embodiment, the display includes i) a liquid crystal display panel configured to display images, ii) a backlight unit configured to provide light to the liquid crystal display panel and iii) a mold frame comprising a frame main body and a plurality of first side walls, wherein the frame main body is configured to receive the backlight unit, and wherein the first side walls are formed on a top surface of the frame main body. The display may further include a bottom chassis comprising a bottom plate and a plurality of second side walls, wherein the bottom plate is configured to support the mold frame and wherein the second side walls are formed at edges of the bottom plate. The first and second side walls surround side surfaces of the liquid crystal display panel while not contacting the side surfaces, and the first and second side walls are alternately disposed along a circumferential direction of the liquid crystal display panel. |
| US08736783B2 |
Liquid crystal display and supporting device thereof
A supporting device including a first supporting element, a second supporting element and a third supporting element is provided. The first supporting element includes a first wedging member. The second supporting element being disposed adjacent to the first supporting element includes a second wedging member. The third supporting element includes a first opening corresponding to the first wedging member or the second wedging member. The second supporting element and the third supporting element are wedged with the first supporting element by the first wedging member. |
| US08736780B2 |
Thin film transistor array substrate for liquid crystal display
A thin film transistor array substrate for a liquid crystal display includes a substrate, and a gate line assembly formed on the substrate to receive gate signals. The gate line assembly has gate lines proceeding in the horizontal direction, and gate electrodes connected to the gate lines. A storage capacitor line assembly proceeds in the horizontal direction. A gate insulating layer is formed on the substrate while covering the gate lines and the storage capacitor line assembly. A semiconductor pattern is formed on the gate insulating layer over the gate electrodes. A data line assembly is formed on the gate insulating layer. The data line assembly has data lines crossing over the gate lines to define pixel regions, source electrodes connected to the data lines while being placed on the semiconductor pattern, and drain electrodes facing the source electrodes around the gate electrodes while being placed on the semiconductor pattern. A protective layer covers the data line assembly and the semiconductor pattern with contact holes. Pixel electrodes are formed on the protective layer at the respective pixel regions such that the pixel electrodes are connected to the drain electrodes through the contact holes. The gate lines or the pixel electrodes are provided with repair members, and the repair members are partially overlapped with the front gate lines or the pixel electrodes. |
| US08736774B1 |
Projection apparatus, projection method and computer-readable storage medium for correcting a projection state being projected onto curved surface
A chart generation unit generates an adjustment chart, and a projection unit projects the adjustment chart onto a circular cylinder. A parameter acquiring unit acquires 12 parameters in total, relating to the positions of four corners and middle points of a top side and a bottom side of a chart and lateral expansion of the chart, the chart being input by a user through manipulations of an operation unit. A transform function determination unit calculates, from the total of 12 parameters, an accurate transform function for projecting an image onto the circular cylinder. An image conversion unit applies geometric transformation to the image based on the calculated transform function. |
| US08736772B2 |
Information processing apparatus and information processing method
An information processing apparatus includes an information processing apparatus main body and a remote controller capable of controlling the information processing apparatus main body. The information processing apparatus main body includes a connection unit capable of being connected with an electronic apparatus, a first storage unit to store model identification information, and a control unit to perform control so that display information of a model selection screen for causing a user to select a model of the electronic apparatus with the remote controller is supplied to the electronic apparatus, the model is determined, and model identification information corresponding to the model is transmitted to the remote controller. The remote controller includes a plurality of keys, a transmission unit, a second storage unit to store a list of control codes assigned to the plurality of keys, and an assignment unit to assign the control codes to the plurality of keys. |
| US08736771B2 |
Display apparatus, communication apparatus, displaying method and program recording medium
Provided is a display method which can avoid the load increase and display rapidly the video of the selected channel. The display method includes adjusting a timing, in which a video is displayed based on a predetermined reference frame received and decoded at first after channel selection, toward shifting earlier than a time originally displaying the video based on a time information attached to the reference frame. |
| US08736769B2 |
Attached device control on television event
A television includes at least two inputs and at least one connected device (component). Upon a system event such as changing from one input to another input, the television signals the at least one connected device to change at least one operating parameter of the device. |
| US08736767B2 |
Efficient motion vector field estimation
A system for producing a motion vector field for a current frame, where the system includes an estimator that selects an initial motion vector from a set of candidate motion vectors and a refiner that refines the initial motion vector. |
| US08736766B2 |
Image processing device, image processing method, image processing program, and recording medium, each capable of correcting luminance of image so that the local deterioration of grey scales is unlikely to occur
An image processing device (100) includes: a luminance distribution information preparation section (110) for preparing a luminance histogram in which each luminance range serves as a class, by counting the number of pixels belonging to each luminance range; a weight correction section (120) for generating, for each luminance range, a weighting value which is proportional to a corresponding class value; and an image processing section (140) for correcting a luminance value of each pixel so that a difference between a maximum luminance value and a minimum luminance value in the luminance range is determined by an increasing function with respect to both (i) a frequency of the luminance range and (ii) a weighting value of the luminance range. |
| US08736765B2 |
Method and apparatus for displaying an image with a production switcher
A video production switcher comprises a number of mix effects (M/E) units and a controller. The latter comprises a control layer that controls the M/Es to provide video outputs through projection devices that give the appearance of displaying one unified pixel space canvas. |
| US08736760B2 |
Picture processing apparatus, picture processing method, picture data storage medium and computer program
In an apparatus and a method for executing generation and reproduction processing of picture data suitable for picture display devices having differing processable frame rates, low frame rate picture data is generated on the basis of a plurality of temporally continuous pictures having a high frame rate to provide picture data having a plurality of layers. Decimated data may be set as the high frame rate layer data. In this manner, the quantity of data to be transmitted or stored is reduced. |
| US08736757B2 |
Shared memory multi video channel display apparatus and methods
A scaler positioning module may receive a video signal selected from among a plurality of video signals. The scaler positioning module may include scaler slots for arranging the signal path of the selected video signal through at least one scaler in the scaler positioning module. The scaler slots may enable the scaler positioning module to operate in three modes. The three modes may enable the scaler positioning module to output scaled data without memory operations, scale prior to a memory write, and scale after a memory read. A blank time optimizer (BTO) may receive data from the scaler positioning module at a first clock rate and distributed memory accesses based on a bandwidth requirement determination. The BTO may access memory at a second clock rate. The second clock rate may be slower than the first which may reduce memory bandwidth and enable another video signal to access memory faster. |
| US08736756B2 |
Video signal sending device, receiving device, and transmission system
A video signal sending device includes: a video dividing unit, more than one video adjusting unit and a video composite unit. Each video adjusting unit receives more than one video signal from the video dividing unit and adjusts an original frame rate of each video signal to more than one new frame rate. The video composite unit is used to combine each video signal to a composite video signal, and send the composite video signal to a remote end by a transmission channel. A maximum frame rate of the transmission channel is equal to sum of each new frame rate or the original frame rate, thereby improving the efficiency of video signal transmissions. |
| US08736752B2 |
Imaging device and power supply control method of imaging device
Imaging device includes an imaging element for receiving light from a subject and converting the light to an electric signal, a video signal processing circuit for performing signal processing on a video signal generated based on the electric signal, a power supply circuit for supplying power to the video signal processing circuit, a signal detection unit for receiving a backup lamp signal indicating light-on or light-off of a backup lamp from the backup lamp installed at a back part of a vehicle, and a power supply control unit for controlling the power supply circuit based on the backup lamp signal so that the supply of power is turned ON in time of light-on of the backup lamp, the supply of power is turned ON for a preset time after the light-off of the backup lamp, and the supply of power is turned OFF after the preset time has elapsed. |
| US08736749B2 |
Photographing method and photographing apparatus having hybrid focal plane shutter
A photographing apparatus includes: an image capturing unit; a first blade making a first movement to move to the other side edge of the image capturing unit and a second movement to move to a side edge of the image capturing unit; a second blade moving along with the first blade to the other side edge while being spaced apart from the first blade during the first movement and moving to the side edge of the image capturing unit during the second movement; a third blade moving along with the first blade to the side edge of the image capturing unit to block light from the image capturing unit and then moving to the other side edge to open the image capturing unit; and a controlling unit that resets the plurality of pixels in the rows of the image capturing unit corresponding to the first blade during the first movement. |
| US08736748B2 |
Image capturing apparatus and control method controlling exposure time of image sensor
There is provided an image capturing apparatus, comprising an image capturing unit configured to acquire video data at a first frame rate or a second frame rate higher than the first frame rate; and a control unit configured to perform control of an aperture and an exposure time within a range in which the exposure time is shorter than or equal to a maximum exposure time that is a reciprocal of a frame rate of the image capturing unit, so that luminance of the image signal acquired by the image capturing unit is at a predetermined level, wherein when the image capturing unit is operating at the first frame rate, the control unit performs the control within a range in which the exposure time is shorter than a first time that is a reciprocal of the first frame rate. |
| US08736746B2 |
Imaging device
An imaging device is provided that includes a first imaging element, a second imaging element, and a focal point detector. The first imaging element includes a first opto-electrical converter configured to convert light into an electrical signal. The second imaging element is configured and arranged to receive light incident on and passing through the first opto-electrical converter. The second imaging element includes a second opto-electrical converter configured to convert the light coming from the first opto-electrical converter into an electrical signal. The focal point detector is configured to perform focal point detection based on first image data obtained by the first imaging element and second image data obtained by the second imaging element. |
| US08736745B2 |
Camera
A camera to which a lens unit is exchangeably attached includes a phase difference detection type focus detection unit, a contrast detection type focus detection unit, and a processor configured to acquire correction information used to correct a shift amount between a focus detecting light flux and an image-pickup light flux from the image pickup lens. The contrast detection type focus detection unit performs scanning in a single direction from a focus position detected by the phase difference detection type focus detection unit, the single direction being set based on the correction information. |
| US08736736B2 |
Imaging apparatus equipped with image enlarging display function, recording medium recording control program of the imaging apparatus, and control method of the imaging apparatus
An imaging apparatus includes a display section to sequentially display each of the images generated by the imaging section and an enlargement display control section to sequentially display parts of the images generated by the imaging section on the display section while enlarging the parts by a predetermined enlargement factor. The imaging section changes the enlargement factor of the enlargement display control section according to a shake quantity detected by the detecting section or an optical zoom magnification of an optical zoom section. |
| US08736734B2 |
Driving method of solid-state imaging apparatus and solid-state imaging apparatus
A solid-state imaging apparatus comprises a pixel portion including a plurality of pixels, wherein each pixel including a photoelectric conversion portion, an accumulation portion for accumulating the charge, a first transfer portion connecting the photoelectric conversion portion to the accumulation portion, a second transfer portion connecting the accumulation portion to a floating diffusion portion, and a third transfer portion connecting the photoelectric conversion portion to a power source, and wherein, from a state where no potential barrier is formed in the second transfer portion, a potential barrier is formed in the second transfer portion under a condition that a potential barrier is formed in the first transfer portion and no potential barrier is formed in the third transfer portion, and then a potential barrier is formed in the third transfer portion, thereby the operation of accumulating charges in the pixels is started. |
| US08736732B2 |
Analog to digital converter for solid-state image pickup device
There is provided a solid-state image pickup device including ADCs that can be arranged in a limited space. The potential of a pixel signal outputted through a vertical readout line is held at a node. A plurality of capacitors are capacitively coupled to the node at which the pixel signal is held. The potential of the node is decreased in a stepwise manner by sequentially switching the voltages of the counter electrodes of the capacitors by the control of transistors. A comparator compares the potential of the node with the potential of the dark state of the pixel, and determines the upper bits of a digital value when the potential of the node becomes lower than the potential of the dark state. Following this, the conversion of the lower bits of the digital value is started. Therefore, it is possible to simplify the configuration of each ADC and arrange each ADC in a limited space. |
| US08736731B2 |
Solid-state imaging device and electronic apparatus having biasedly located inter-pixel light shielding units to minimize color mixing
A solid-state imaging device which includes a pixel region which is provided on a semiconductor substrate, and in which a plurality of pixels including a photoelectric conversion unit having a photoelectric conversion function is arranged, a wiring layer which is provided at one plate surface of the semiconductor substrate, a color filter layer which is divided into a plurality of color filters provided corresponding to each pixel of the plurality of pixels which is arranged in the pixel region, and an inter-pixel light shielding unit which is provided in a boundary portion between the pixels adjacent to each other, between the semiconductor substrate and the color filter layer. |
| US08736728B2 |
Image sensor with controllable vertically integrated photodetectors
An image sensor includes front-side and backside photodetectors of a first conductivity type disposed in a substrate layer of the first conductivity type. A front-side pinning layer of a second conductivity type is connected to a first contact. The first contact receives a predetermined potential. A backside pinning layer of the second conductivity type is connected to a second contact. The second contact receives an adjustable and programmable potential. |
| US08736722B2 |
Enhanced image capture sharpening
An image capture sharpening subsystem for a digital camera includes a capture sharpening processor and a memory that stores values for a capture sharpening amount. The values for the capture sharpening amount are a function of position on an image sensor of the digital camera. The capture sharpening processor receives a first value for a pixel in an image captured by the image sensor and a position value for the pixel on the image sensor. The capture sharpening processor determines a pixel sharpening amount from the values for the capture sharpening amount stored in the first memory according to the position value. The capture sharpening processor applies a capture sharpening process to the pixel to provide a second value for the pixel according to the pixel sharpening amount and stores the second value in a second memory that provides a sharpened version of the image captured by the image sensor. |
| US08736721B2 |
Method and apparatus for image processing
The present disclosure relates to a method and an apparatus for image processing. The method includes: setting a block including at least one pixel and a window including the at least one block, with a center pixel as a reference; converting an input image in a YCbCr format to a monochrome image; determining a magnitude of an edge component and an edge direction in the window; determining a weight of the block in consideration of the magnitude of the edge component and the edge direction; and determining a color signal value of the center pixel by reflecting the weight of the block in the monochrome-converted window. |
| US08736711B2 |
Camera with anti-flicker capability and image capturing method with anti-flicker capability
A camera and an image capturing method with anti-flicker capability. The camera has a camera sensor and an image signal processor. The camera sensor captures first and second image data separated by a time delay which depends on a flicker period of background illumination. The image signal processor differentiates the first and the second image data along rows to obtain first and second differentiated image data, respectively, normalizes the first and second image data to obtain for each column an oscillation amplitude, normalizes the first and second differentiated image data to obtain for each column an oscillation amplitude, and obtains flicker-eliminated image data based on the first and second image data, the first and second differentiated image data, and the oscillation amplitudes obtained from normalizing the first and second image data and the oscillation amplitudes obtained from normalizing the first and second differentiated image data. |
| US08736702B2 |
Apparatus and method of calculating a shooting frequency based on the obtained sound information
A non-transitory computer program product, photographing apparatus and a method of controlling the photographing apparatus, the method including obtaining sound information; calculating a shooting frequency based on the obtained sound information; and controlling a shutter of an imaging device to obtain image data according to the calculated shooting frequency. |
| US08736698B2 |
Video synthesizing apparatus and program
The invention provides data for display on the display area for a child frame when the child frame is synthesized and displayed on the parent frame in picture-in-picture playback in order to give the displayed area of the child frame in conformity with the video content in the parent frame, as well as providing a video display apparatus etc. for displaying the child frame at an appropriate displayed position using the data for display. A video display apparatus 1 includes: decoders 101 and 103 for decoding two sets of video data; a synthesizer 105 for synthesizing the decoded videos to output; an input unit 108 for commanding display/non-display of the child frame; a processing controller 109 for controlling the operations of decoders 101 and 103 in accordance with the command; and a position designator 110 which receives the command and the data for display and time information and designates the displayed position of the child frame to the synthesizer 105. The position designator 110 determines the displayed position of the child-frame video in accordance with displayable time information of the child-frame video and information on the displayed area or displayable area depending on time, included in the data for display. |
| US08736693B2 |
Digital photographing apparatus that corrects hand shake, method of controlling the same, and recording medium storing the method
A digital photographing apparatus may perform a method of correcting hand shake to obtain images of high quality, in which hand shake is corrected completely, by correcting the hand shake using a plurality of successive images having different exposure times, and in particular, by determining whether a short exposure image will be obtained from a time period in which hand shake is weak or in a time period in which hand shake is strong according to photographing conditions. |
| US08736692B1 |
Using involuntary orbital movements to stabilize a video
Methods and systems for using eye-tracking data to stabilize a video are provided. An example method may involve receiving a video captured using a body-mountable camera and receiving gaze-direction data from one or more head-mountable eye trackers. Additionally, the method may include analyzing the received gaze-direction data to detect at least one involuntary orbital eye-movement. According to the method, the received video may be stabilized based at least in part on the detected at least one involuntary orbital eye-movement, and the stabilized video may be sent In some instances, camera-movement data may also be received and utilized to detect involuntary orbital eye-movements or stabilize the received video. |
| US08736690B2 |
Image pickup apparatus
At the time of occurrence of camera shake, an angular velocity sensor detects an angular velocity. A rotation angle calculator integrates the angular velocity to calculate angle camera shake. A translational acceleration calculator subtracts an internal acceleration caused during operation of a lens unit from a first translational acceleration detected by an acceleration sensor, so as to calculate a second translational acceleration. A translational velocity calculator integrates the second translational acceleration to calculate a translational velocity. A rotation radius calculator calculates a rotation radius based on the angular velocity and the translational velocity. A shake amount calculator calculates a camera shake amount based on the angle camera shake and the rotation radius. An actuator drives a camera shake correction lens in a direction for canceling the camera shake amount. |
| US08736688B2 |
Method and device for analyzing the optical quality of a transparent substrate
A device for analyzing a transparent surface of a substrate including a reference pattern facing a surface of the substrate to be measured. The reference pattern is formed on a support of short and long extents. A camera is provided for taking at least one image of the reference pattern distorted by the measured substrate. A reference pattern illumination system and a processor for processing the image and digital analysis are connected to the camera. The support is of oblong shape and the reference pattern is a one-directional pattern that extends along the shortest extent of the support. The pattern is transversely periodic to the short extent, and the camera is a linear camera. |
| US08736682B2 |
Image processing apparatus
There is provided an image processing apparatus. The apparatus includes a moving image data acquisition unit configured to acquire moving image data representing a moving image, a notable-region specification unit configured to specify, as a notable region, a motion region among a plurality of still images forming the moving image represented by the moving image data acquired by the moving image data acquisition unit, for each still image, and an image processing unit configured to perform image processing of changing a style of each still image, in which the notable region is specified by the notable-region specification unit, into a pictorial image, by using different processes between the notable region in the still image specified by the notable-region specification unit and the rest of the still image. |
| US08736677B2 |
Inspection system
An inspection system is provided that can calculate highly accurate data for inspection having a high S/N ratio with high freedom. In order to attain this, an imaging timing is adjusted to synchronize a time for a projected image of an object to move by “m” pixels (“m” is an integer number greater than or equal to 1) in the X-axis direction on imaging elements, with an imaging time interval, and partial image data imaged at the identical inspection position on the object is specified from each unit of two-dimensional image data based on the object appearing deviated by “m” pixels in the X-axis direction in each unit of the two-dimensional image data imaged at each of the imaging timings, and data for inspection in which a noise reducing processing is conducted at the inspection position is produced based on each section of the partial image data. |
| US08736674B2 |
Method and system for 3D display calibration with feedback determined by a camera device
Several embodiments of 3D display system and systems and methods for their calibration are disclosed herein. In one embodiment, a method and system for calibrating a 3D display using feedback indicative of measurements of light, emitted from the 3D display (typically during display of a test pattern), by a camera device. In one embodiment, the camera device is a handheld camera device including an inexpensive, uncalibrated camera. In another class of embodiments, a system including a 3D display (to be recalibrated), a video preprocessor coupled to the display, and a feedback subsystem including a camera device operable to measure light emitted by the display are also disclosed. |
| US08736671B2 |
Stereoscopic image reproduction device and method, stereoscopic image capturing device, and stereoscopic display device
A stereoscopic image is displayed with an appropriate amount of parallax based on auxiliary information recorded in a three-dimensional-image file. The size of a display which performs 3D display is acquired (Step S31), and a 3D image file is read (Step S32). The maximum display size capable of appropriately performing 3D display of each viewpoint image is acquired from metadata of the read 3D image file (Step S33), and the size acquired in Step S31 is compared with the maximum display size acquired in Step S33 (Step S34). Viewpoint numbers of images in which the maximum display size is larger are acquired (Step S35), the most appropriate image is selected from the images of the acquired viewpoint numbers (Step S37), and 3D display is performed using the selected image (Step S38). Therefore, an appropriate image can be selected based on the maximum display size and 3D display can be performed. |
| US08736670B2 |
3D visualization system
In accordance with one aspect, the present invention provides a real-time 3D visualization system. The system includes means for conveying electromagnetic energy emanating from one or more 3D surfaces including a scene and means for sensing spatial phase characteristics of the electromagnetic energy as the configuration of the 3D surfaces relative to the system changes. The system includes means for creating a 3D scene model utilizing the spatial phase characteristics sensed in a plurality of configurations and means for displaying the 3D scene model in real-time. The means for displaying includes means for synthesizing depth cues. |
| US08736669B2 |
Method and device for real-time multi-view production
From a stereo image having at least 2 perspectives additional virtual perspectives are produced, wherein the processing time for the virtual perspectives is less than a specified value and simultaneously the multi-view image quality is maximized by identifying image areas that have not changed between two stereo images of the image sequence. In these areas the associated disparity map also did not change and the disparity values are reused. In addition, the processing parameters for calculating the virtual perspectives are continuously adjusted through continuous time measurement during processing such that the quality is always at a maximum. An adaptive method is obtained, which is also able to respond to load fluctuations of the underlying hardware device. |
| US08736668B2 |
Electronic apparatus and image processing method
An electronic apparatus comprises a data extraction module, a mode setup module for setting a display mode, a first video signal generation module, a second video signal generation module, and a mixing module. The data extraction module is configured to extract first video data and second video data for displaying an object having a display position altered in accordance with an operation input from video content data. The first video signal generation module is configured to generate the first video data as 2D video, even when the display mode is set for 3D video display, when the second video data is extracted. The second video signal generation module is configured to generate a third (2D) video signal for the second video data such that the display position is changed in accordance with operation input. The mixing module is configured to mix the first video signal with the third video signal. |
| US08736663B2 |
Media detection and packet distribution in a multipoint conference
A method includes receiving a plurality of audio signals. Each of the plurality of audio signals includes audio packets, wherein one or more audio packets from each of the plurality of audio signals is coded with an audiometric, the audiometric including an acoustic measurement from a conference site. The method further includes, for each of the plurality of audio signals, extracting an audiometric from one or more audio packets and selecting an active audio signal based on the extracted audiometrics. In addition, the method includes determining a change in the active audio signal and in response to determining a change in the active audio signal, updating a media forwarding table, the media forwarding table including a directory for routing one or more of the plurality of audio signals. The method further includes distributing audio packets to one or more conference sites in accordance with the media forwarding table. |
| US08736662B2 |
Methods, systems and program products for managing video conferences
A computer program product for managing communications during a videoconference includes computer executable instructions stored on a computer readable storage medium that when executed by one or more computers causes the computers to receive an input first set of communications control parameters that apply to all videoconferences to be conducted over one or more videoconference servers. The computer stores the input first set of control parameters in a memory, and receives an input second set of communications control parameters that includes a subset of the first set and that applies to only a portion of videoconferences to be conducted over the videoconference servers. The computer compares the second set of communications control parameters to the first set of control parameters and retains the second set of communications control parameters in a memory for use during the conference if they do not violate the first set of control parameters. |
| US08736659B2 |
Method, apparatus, and system for 3D video communication
A three-dimensional (3D) video communication method includes receiving video information of at least two session parties, wherein the video information of at least one session party is 3D video information. The video information received from the at least two session parties is processed according to state information of the at least two session parties and display capabilities of a terminal. |
| US08736655B2 |
Light scanning unit and electrophotographic image forming apparatus using the same
Disclosed are a light scanning unit and an electrophotographic image forming apparatus including the light scanning unit. The light scanning unit may include a light source emitting a light beam, a beam deflector that deflects and scans the light beam emitted from the light source in a main scanning direction, a scanning optical system forming an image of a first portion of the light beam that is deflected and scanned by the beam deflector on a scanning surface and a beam detection sensor receiving a second portion of the light beam that is deflected and scanned by the beam deflector for generating a synchronization signal. The beam detection sensor may include a light receiving surface for receiving the second portion of the light beam, and at least two output terminals that are arranged outside an area of the light receiving surface within which the incident second portion of the light beam is confined. |
| US08736654B2 |
Optical scanning device and image forming apparatus including the same
An optical scanning apparatus includes a reflecting mechanism, a light receiving element and a restricting mechanism. The reflecting mechanism reflects a light beam such that the irradiation point of the light beam moves in a predetermined scanning direction. The light receiving element is arranged in a movement plane defined by the light beam reflected by the reflecting mechanism, and the light receiving element outputs a light reception signal for adjusting the irradiation timing of the light beam in accordance with reception of the light beam reflected by the reflecting mechanism. The restricting mechanism positions the light receiving element relative to the movement plane. |
| US08736651B2 |
Optical scanning apparatus and color image forming apparatus therewith
An optical scanning apparatus that is capable of increasing use life of a semiconductor laser by decreasing the emission time for sensors that are independently provided for synchronous control, light control, and focus control. A laser beam emitted from a light source is deflected by a deflector, and scans a photoconductor. A beam splitter arranged between the light source and the deflector separates the laser beam, which is detected by a first detection unit. A second detection unit arranged in a non-image forming area detects the deflected laser beam to detect defocus amount. A focusing unit focuses the scanning laser beam based on a detection result of the second detection unit. A control unit controls the light amount of the laser beam applied to an image forming area based on a detection result of the first detection unit at the timing when the second detection unit detects the laser beam. |
| US08736650B2 |
Print station
A print station system (1) having a drive-stepper motor (2), platen rollers (3, 4) in operative communication with the drive-stepper motor (2), a pinch roller (10) in operative communication with the drive-stepper motor (2), a top-of-form sensor (11) located between the platen roller (3, 4) and the pinch roller (10), a rocker arm (12) in operative communication with the platen roller (3, 4) and the pinch roller (10), and a printhead assembly (5), a media guide (12a, 12b). A radio-frequency identification antenna (16) or a receptacle (15) for holding same may be located between the platen roller (3, 4) and the pinch roller (10). |
| US08736648B1 |
Vinyl tape cartridge life validation
A microcontroller, an integrated circuit memory chip, and a data line connection to a microcontroller are the functional elements of a thermal printer vinyl tape cartridge life validation system. A unique, 64 bit, end user company specific identifier is provided from a vendor along with a write zero once integrated circuit device. The write zero once memory chip guarantees that no re-roll of a vinyl tape roll core used in a thermal label printer incorporating this system is possible. The write zero once integrated circuit memory chip is selected for write protection where bits can only be changed from a one to a zero state. The length of a tape roll is represented as a binary number polynomial vector. A length vector is mapped to a count-down register where it will be decremented based on a thermal label printer signal capable of translating tape consumption events into supply length units. There is also a block of relevant supply information representing the supply label characteristics such as color, stock length, type and width. If a unique, 64 bit, end user, company specific identifier matches with a stored copy located in microcontroller ROM, the vinyl tape supply is considered validated and available for use on a thermal label printer incorporating the present invention while the label supply has available life. |
| US08736646B2 |
Printing unit for a weighing device
A printing unit for a weighing device, which has a housing and a load plate, includes an interior configured to hold a print medium. A front panel has a printer opening communicating with the interior for passage of the print medium therethrough. A top cover is disposed above the front panel and extends in an opening direction from the housing of the weighing device, past an edge of the load plate of the weighing device and to the front panel. A side edge cover is disposed at each side of the top cover. The top cover, front panel and side edge covers are shaped so as to direct a liquid from the load plate toward at least one of a bottom region and a drain of the printing unit without entering into the interior. |
| US08736645B2 |
Printhead fabrication methods and printheads
A printhead and related fabrication method are described with the printhead including a spacer layer. |
| US08736644B2 |
Liquid crystal display device
The present invention provides a liquid crystal display device, which includes a plurality of pixel units arranged in a matrix form. Each of the pixel units further includes a first sub-pixel electrode and a second sub-pixel electrode. The first sub-pixel electrode is set at a central position of the pixel unit. The second sub-pixel electrode is circumferentially set along a circumference of the first sub-pixel electrode. With the above arrangement, the present invention improves the γ view angle characteristics of the liquid crystal display device to provide enhanced performance of displaying of the liquid crystal display device and thus improving quality of displaying. |
| US08736640B2 |
Liquid crystal display apparatus and method for driving the same
A method of driving a liquid crystal display (LCD) apparatus, the method including the operations of determining whether a grayscale value of an input image has a same value for at least two frames; if the grayscale value of the input image has the same value for at least two frames, correcting a display image by generating the display image by converting the grayscale value of the input image into an adjacent grayscale value; and displaying the display image. |
| US08736639B2 |
Driving system for backlight unit, liquid crystal display device including the same and method of driving the same
A driving system for a backlight unit includes: a system unit outputting first and second dimming signals for driving the backlight unit; and an inverter unit driving the backlight unit with a 2-block scanning method using the first and second dimming signals received directly from the system unit. |
| US08736638B2 |
Organic light emitting display device and method for adjusting luminance during a deterioration detection process
The present invention provides an organic light emitting display device in which light emitted by an OLED whose luminance is adjusted for detection of deterioration does not stand out as compared to light emitted by other OLEDs, thereby not producing an unpleasant sensation for users. A calculation unit in a display control unit 104 sets, for a target pixel 302, a driving signal Out(C)=V. For a peripheral pixel 301 horizontally located immediately before the target pixel 302, the calculation unit calculates a driving signal Out(C−1)=In(C−1)−V(In(C))/2. For a peripheral pixel 303 horizontally located immediately after the target pixel 302, the calculation unit calculates a driving signal Out(C+1)=In(C+1)−V(In(C))/2. |
| US08736632B2 |
Image processor
An image processing system computes blended pixel data from two image layers and α-layer data. α-layer data indicates a transparency of one of the image layers. The image processing system includes more than one memory capable of storing pixel data. A processor is programmed to apply different processing methods to pixel data based on their storage locations. A selector may obtain pixel data from each image layer and the α-layer data. The selector may transmit the pixel data to one of the multiple memories based on the α-layer data. |
| US08736631B2 |
Facility operation display device, air-conditioning system, and non-transitory computer-readable medium
The display color of, for example, a button image responsive to a command input into a facility operation display device is controlled by a palette value having a smaller number of bits than an RGB value. When the display color of the button image is changed, the palette value of a drawing object associated with the button image is changed to an RGB value. This eliminates the necessity of incorporating, for example, a high-performance CPU as a central arithmetic unit. In addition, it is not necessary to pre-store images corresponding to several kinds of display colors specified by RGB values, to thereby eliminates the necessity of incorporating, for example, a high-capacity storage medium in the facility operation display device. Accordingly, the device cost can be reduced. |
| US08736628B1 |
Single thread graphics processing system and method
A present invention pixel processing system and method permit complicated three dimensional images to be rendered with shallow graphics pipelines including reduced gate counts and facilitates power conservation by utilizing a single unified data fetch stage (e.g., unified data fetch module) that retrieves a variety of different pixel surface attribute values for different attribute types (e.g., depth, color, and/or texture values) in a single stage. Different types of pixel surface attribute data (e.g., depth, color, texture) associated with multiple graphics processing functions (e.g., color blending, texture mapping, etc.) are retrieved in the single unified data fetch graphics pipeline stage. The pixel packet rows including the pixel surface attribute values are forwarded to other graphics pipeline stages for single thread processing (e.g. to a universal arithmetic logic unit capable of performing multiple graphics functions on the pixel surface attribute values). |
| US08736627B2 |
Systems and methods for providing a shared buffer in a multiple FIFO environment
Provided are methods and systems for reducing memory bandwidth usage in a common buffer, multiple FIFO computing environment. The multiple FIFO's are arranged in coordination with serial processing units, such as in a pipeline processing environment. The multiple FIFO's contain pointers to entry addresses in a common buffer. Each subsequent FIFO receives only pointers that correspond to data that has not been rejected by the corresponding processing unit. Rejected pointers are moved to a free list for reallocation to later data. |
| US08736625B2 |
Asynchronous notifications for concurrent graphics operations
A method and an apparatus for notifying a display driver to update a display with a graphics frame including multiple graphics data rendered separately by multiple graphics processing units (GPUs) substantially concurrently are described. Graphics commands may be received to dispatch to each GPU for rendering corresponding graphics data. The display driver may be notified when each graphics data has been completely rendered respectively by the corresponding GPU. |
| US08736623B1 |
Programmable DMA engine for implementing memory transfers and video processing for a video processor
A method for using a programmable DMA engine to implement memory transfers and video processing for a video processor. A DMA control program is configured for controlling DMA memory transfers between a frame buffer memory and a video processor. The DMA control program is stored in the DMA engine. A DMA request can be received from the video processor. The DMA control program is executable to implement the DMA request for the video processor. The DMA engine is operable to execute low-level command for accessing the frame buffer memory to implement a high-level command. |
| US08736622B2 |
System and method of leveraging GPU resources to enhance performance of an interact-able content browsing service
A system and a corresponding method of leveraging GPU resources to enhance performance of the interact-able content browsing (ICB) service are to utilize the computation capacity of the GPU of the graphics card to share the computation load originally taken by the CPU. The raw images depicted by the browser application program executed in the server can be directly retrieved from the VRAM of the graphics card by the encoder inside the GPU to be further encoded and streamed before being forwarded directly to distant clients. Thereby, work load and bus bandwidth occupation on the CPU can be greatly reduced, the number of clients that can be served simultaneously by a single server can be increased, and the related power consumption can be substantially reduced. |
| US08736619B2 |
Method and system for load optimization for power
A method for managing work distribution in a processor including a plurality of instruction data modules, is provided. The method includes analyzing work units received by the processor and comparing the utilization level in each active module within the plurality with a first predetermined threshold. The work units are distributed across selected ones of the modules within the plurality based upon the analyzing and the comparing. |
| US08736617B2 |
Hybrid graphic display
A method of displaying graphics data is described. The method involves accessing the graphics data in a memory subsystem associated with one graphics subsystem. The graphics data is transmitted to a second graphics subsystem, where it is displayed on a monitor coupled to the second graphics subsystem. |
| US08736615B2 |
Customizing barcode images for particular displays
Techniques for ensuring maximum readability of barcodes displayed in pixel displays. The techniques use the characteristics of the pixel display to determine the form of the barcode in the pixel display. Determination of the form includes determining a size of the barcode which renders the barcode's elements easily readable by a barcode reader and a shape, and or orientation of the barcode in the display which permits the entire barcode to be displayed in the display. Additionally, in a barcode with redundant information, the amount of redundant information may be reduced in the displayed barcode. The techniques may be applied to both one-dimensional and two-dimensional barcodes. |
| US08736612B1 |
Altering weights of edges in a social graph
A system gathers information on important and influential people and builds a social graph. The social graph can be processed to determine the influence of a node in the graph or a subsection of the graph. For the influence in a subsection of the graph, only nodes with a specific type of relationship or concept is included in the influence calculation. For example, for the concept art, only relationship that have to do with art are included in the influence calculation (e.g., museum, artists, musician). In an implementation, the edge-weight of edges of the system are dependent on a property of the edge. For example, the edge-weight for an edge tracking donations is stronger if the amount of money donated is higher. |
| US08736607B1 |
Compression of a tessellated primitive index list in a tile rendering system
A method and apparatus for comprising primitive data generated by tessellation of patches in a three-dimensional computer graphics rendering system receives domain point indices for a first primitive in a list of primitives defining the tessellated patch, stores the domain point indices for the received primitive, compares domain point indices of a next primitive in the list with stored domain point indices and determines any matches, stores domain point indicates of the next primitive or, if a match was found, stores a reference to the position of the matched index, receives domain point indexes of the next primitive in the list and repeats the step until each primitive in the list has been compressed. |
| US08736605B2 |
Method and apparatus for constraint-based texture generation
The present disclosure includes systems and techniques relating to texture mapping a surface. In general, the subject matter described in this specification can be embodied in a computer-implemented method that includes defining a triangular mesh model of the surface; identifying at least one user-specified texture underfold constraint; computing a weighted energy functional for the triangular mesh, the weighted energy functional comprising a plurality of nodal texture values from which the triangular mesh is specified, the nodal texture values computed in accordance with the at least one user-specified texture underfold constraint; and iteratively recomputing the nodal texture values to converge the weighted energy functional toward a minimum value. The subject matter described in this specification can also be embodied in various corresponding computer program products, apparatus, and systems. |
| US08736597B2 |
Pixel for display device, display device, and driving method thereof
A pixel for a display device is disclosed. In one aspect the pixel includes six transistors. For example, the pixel may includes an organic light emitting diode, a first transistor transmitting a first power source voltage to an anode of the organic light emitting diode, a second transistor transmitting a gate-on voltage to the gate electrode of the first transistor, a third transistor transmitting a gate-off voltage to the gate electrode of the first transistor according to a first control signal, a fourth transistor transmitting the gate-off voltage to the gate electrode of the second transistor according to the first control signal, a fifth transistor transmitting the second control signal to the gate electrode of the second transistor, and a sixth transistor transmitting the gate-on voltage to the gate electrode of the fifth transistor according to a third control signal. The pixels in the display are turned off for initialization and the pixels are selectively turned on to display an image. |
| US08736594B2 |
Potential generation circuit and liquid crystal display device
A potential generation circuit and a liquid crystal display device are provided that are capable of reducing power consumption with a simple circuit configuration. The potential generation circuit is a potential generation circuit for generating a common potential that is applied to a capacitive load, and includes a differential amplifier that has a positive input receiving a given set potential and a negative input receiving the common potential that is negatively fed back, a current amplifier that amplifies the output of the differential amplifier and outputs the common potential, a charge recovery capacitor that has one of its ends connected to a reference potential, and an anti-parallel diode that is connected between the other end of the charge recovery capacitor and the common potential. |
| US08736590B2 |
Low voltage driver scheme for interferometric modulators
A method of driving electromechanical devices such as interferometric modulators includes applying a voltage along a common line to release the electromechanical devices along the common line, followed by applying an address voltage along the common line to actuate selected electromechanical devices along the common line based on voltages applied along segment lines. Hold voltages may be applied along common lines between applications of release and address voltages, and the segment voltages may be selected to be sufficiently small that the segment voltages will not affect the state of the electromechanical devices along other common lines not being written to. |
| US08736588B2 |
Liquid crystal display device
In one embodiment, a liquid crystal display device includes first and second areas respectively having a gate line group in an active area, and a dummy gate line group arranged on an outside of the active area. A driving circuit selects the gate lines of the gate line group and the dummy gate lines of the dummy gate line group one by one in the first and second areas. The driving circuit is independently controlled for the first and second areas. The gate lines are scanned from a center portion of the active area to the dummy gate line side in the first and second areas, respectively. An image signal and a non-image signal are written within one-frame period in the first and second areas. |
| US08736587B2 |
Semiconductor device
A semiconductor device is provided, which includes a display portion and a driver circuit portion configured to drive the display portion. The display portion includes a first pixel electrode, a second pixel electrode, a plurality of photo sensors between the first pixel electrode and the second pixel electrode, and a plurality of color filters. The driver circuit portion includes a transistor including a single crystal semiconductor layer. |
| US08736586B2 |
Multifunction stylus
A multifunction stylus is configured to be applied to an electronic device. The electronic device includes a main body and a cover detachably latched to the main body. The multifunction stylus includes a holder and a detaching member rotatably hinged to the holder configured for detaching the cover from the main body. The holder has a stylus tip positioned at one end thereof and a tool head positioned at an opposite end thereof. The detaching member defines an accommodating space adjacent to one end thereof configured for optionally accommodating the stylus tip or the tool head therein. |
| US08736585B2 |
Information processing apparatus and method, program, and recording medium
Provided is an information processing apparatus for receiving an input from a stylus pen and executing a predetermined process. The information processing apparatus includes: a housing unit detachably housing the stylus pen; detection means for detecting attachment and detachment of the stylus pen to and detachment from the housing unit; and execution means for executing a predetermined process in accordance with the detection result of the detection means. |
| US08736584B2 |
Coordinate sensor and display device
A coordinate sensor of the present invention includes light emitting diodes (10) and line sensors (13) each including light receiving elements (13s), and further includes, between the light emitting diodes (10) and the light receiving elements (13s), wavelength selective reflection mirrors (11) for allowing light emitted from the light emitting diodes (10) to be selectively incident to the light receiving elements (13s). |
| US08736580B2 |
Night vision touchscreen
A touchscreen system for locating an opaque object in a target region, detects interruption of light beams. Each of the touchscreens have one or more optical emitters (10) to create the beams, and one or more optical detectors (30) to provide detection signals arranged to use emission wavelengths which are compatible with night vision apparatus, and having an NVIS radiance smaller than 1.7 10−11 NR. |
| US08736574B2 |
Pressure-sensitive multi-touch device
A pressure-sensitive multi-touch device is provided. The multi-touch device includes a matrix of pressure-sensitive cells, each pressure-sensitive cell configured to change a resistance of the cell inversely proportional to an amount of force applied to that cell. The multi-touch device further includes a spacer assembly between pressure-sensitive cells. |
| US08736573B2 |
Method and apparatus compensating noise in touch panel
Touch screen systems and method of compensating noise in same are presented. One touch screen system includes; a touch screen panel having sense channels providing a sense output corresponding to a capacitance variation associated with an applied touch input as detected by one or more sensing units connected to the sense channels. A parasitic capacitance is accumulated in the sense channels as the touch input is applied. The touch screen system also includes a touch controller receiving the sense output and including; a noise compensation block configured to generate a compensation capacitance to compensate for the parasitic capacitance and provide a compensation output, and a signal conversion unit that receives the sense output and the compensation output and generates a noise compensated sense output. |
| US08736568B2 |
Two-dimensional touch sensors
In a touch sensor, as well as providing touch position data, additional data is provided on the shape of the touch. This is achieved by having sampling nodes on a finer mesh than the size of the actuating object, typically a finger, so each finger touch activates a group of adjacent nodes on the sensor. In this way, each touch has a shape formed by the activated nodes. The shape allows the touch sensor to report an angle with each touch and data indicating how elongate the touch is, preferably both together as a vector in which the direction of the vector gives the angle and the magnitude of the vector gives the ellipticity. For each frame of data collected from the sensor array, the sensor outputs an (x, y) coordinate of touch position and a further (x, y) coordinate of a shape vector. |
| US08736567B2 |
Touch screen panel
A touch screen panel including first sense electrodes including a plurality of first sense cells arranged on a substrate in a first direction and first connection patterns electrically connecting adjacent first sense cells of the plurality of first sense cells; second sense electrodes including a plurality of second sense cells arranged on the substrate in a second direction that crosses the first direction, relay patterns arranged within the first sense electrodes, and metal patterns connected between the relay patterns and second sense cells of the plurality of second sense cells adjacent to the relay patterns; and auxiliary patterns electrically connecting two regions of the first sense electrodes divided by the relay patterns and the metal patterns. |
| US08736566B2 |
Audio/visual device touch-based user interface
A user interface for an audio/visual device incorporates one or both of a touch sensor having a touch surface on which is defined a racetrack surface having a ring shape and a display element on which is displayed a racetrack menu also having a ring shape, and where the user interface incorporates both, the ring shapes of the racetrack surface and the racetrack menu are structured to generally correspond such that the position of a marker on the racetrack menu is caused to correspond to the position at which a digit of a user's hand touches the racetrack surface. |
| US08736565B2 |
Touch screen panel
An embodiment is directed to a touch screen panel including first sensing electrodes, second sensing electrodes, and a pad unit to be electrically connected to the first sensing electrodes and the second sensing electrodes, the touch screen panel including first trace lines connecting the first sensing electrodes and the pad unit, second trace lines connecting the second sensing electrodes and the pad unit, and a ground line connected to a ground power supply, the ground line being between the first trace lines and the second trace lines. |
| US08736563B2 |
Touch detection device, display device having touch detection function, electronic unit, and touch detection circuit
A touch detection device includes: a plurality of drive electrodes; a plurality of detection electrodes intersecting the plurality of drive electrodes, and each outputting, in response to driving of each of the drive electrodes, a series of detection signals; a signal correction section determining a reference based on the detection signals, and subtracting the determined reference from each of the detection signals; and a detecting section detecting an external proximity object based on corrected detection signals provided from the signal correction section. |
| US08736561B2 |
Device, method, and graphical user interface with content display modes and display rotation heuristics
A method is performed at a multifunction device with a touch-sensitive display. The method includes: playing a first piece of content in a full-size mode on the display at a predefined aspect ratio; while playing the first piece of content on the display in the full-size mode, detecting a first gesture on the display; in response to detecting the first gesture: shrinking the playing of the first piece of content to a first region of the display while keeping the predefined aspect ratio and displaying information related to the first piece of content in a second region of the display. |
| US08736557B2 |
Electronic device with image based browsers
Methods and systems that improve the way media is played, sorted, modified, stored and cataloged on a portable media player are disclosed. One aspect relates to an image based browser that allows a user to navigate through and select images that are related to media items. |
| US08736556B2 |
Display device and method of driving the same
A method of driving a display device having a plurality of pixels, a plurality of sensing units, and a plurality of sense data lines to which the plurality of sensing units are connected, includes: reading sense signals from the sense data lines; determining whether or not the display has been touched and the number of touches, generating X-axis and Y-axis position data based on the sense signals, and determining, when the quantity of touches is plural, whether a plurality of touches are sequentially generated, and the touch position of each. |
| US08736548B2 |
Interactive video based games using objects sensed by TV cameras
A method and apparatus for interactive TV camera based games in which position or orientation of points on a player or of an object held by a player are determined and used to control a video display. Both single camera and stereo camera pair based embodiments are disclosed, preferably using stereo photogrammetry where multi-degree of freedom information is desired. Large video displays, preferably life-size may be used where utmost realism of the game experience is desired. |
| US08736542B2 |
Backlight and liquid crystal display unit using same
A backlight using multiple light-emitting diodes as a light source and illuminating a liquid crystal display panel from its back, the light-emitting diodes being formed of units, the units each being a minimum unit of m×n (where m and n are natural numbers), includes a driving part configured to drive the light-emitting diodes on a unit-by-unit basis; a block setting part configured to group two or more of the units into a block; and a luminance controlling part configured to control the luminance of the light-emitting diodes of the block independently on a block-by-block basis. |
| US08736541B2 |
Reducing scrolling effect for LCD lamps
A liquid crystal display (LCD) device's microcontroller is used drive an LCD lamp ballast such that the scrolling effect from its light leakage may be reduced to a visually imperceptible level. A check may be performed of lamp's control status in order to verify the microcontroller's ability to properly and accurately control the lamp ballast. The microcontroller may then determine a frequency and duty cycle to use for the microcontroller's PWM control signal. Thereafter, the microcontroller may generate the PWM control signal in accordance with the determined frequency and duty cycle, and drive the lamp ballast using the control signal. |
| US08736538B2 |
Devices and methods for reducing a voltage difference between VCOMs of a display
Methods and devices for reducing a voltage difference between common voltage layers (VCOMs) of a display are provided. In one example, a method may include supplying an activation signal to a row of pixels of the display to activate the row of pixels. The method may also partially removing the activation signal from the row of pixels at a predetermined rate. The method may include detecting a voltage difference between a first VCOM of a first set of pixels of the display and a second VCOM of a second set of pixels of the display after the activation signal has been partially removed. The method may also include controlling removal of the activation signal from the row of pixels based at least partially on the detected voltage difference. |
| US08736536B2 |
Display device
To provide a plural-viewpoint display device having an image separating optical element such as a lenticular lens or a parallax barrier, which is capable of achieving a high image quality by suppressing deterioration in the display image quality caused when a block division driving method is employed, and to provide a terminal device, a display panel, and a driving method thereof, which can be preferably used for those devices. A pixel group configured with pixels for displaying a right-eye image includes a pixel connected to a data line phase-deployed in the first phase of a block division driving method, and a pixel connected to a data line phase-deployed in the third phase, and a pixel connected to a data line phase-deployed in the second phase. In this manner, it is designed to have no deviation in the phase deployment orders in the pixel groups for each viewpoint. |
| US08736535B2 |
Hold type image display system
The present invention aims to insert a black screen in one frame period to alleviate moving image blur due to overlap recognition of a current frame image and an afterimage of the previous frame and improve the image quality of the moving image, and to set a black insertion rate with respect to one frame period to a value suited for each usage state. An enable signal (VOE) to each gate driver is independently controlled, and a start pulse (VSP) input to write a black signal is performed at an arbitrary timing within one frame period with respect to the gate driver to insert a black image within one frame period. |
| US08736534B2 |
Active matrix liquid crystal display device and method of driving the same
In one embodiment of the present invention, on each source bus line, an electric charge escaping transistor is provided having the same polarity as a pixel transistor and having a gate to which a turn-off voltage signal of the pixel transistor is supplied. When an active matrix liquid crystal display device is powered off, the turn-off voltage signal is made to reach the GND level before a turn-on voltage signal of the pixel transistor reaches the GND level, so that the pixel transistor and the electric charge escaping transistor are made half-open. This lets electric charges accumulated in the pixel escape to a common electrode TCOM. |
| US08736530B2 |
Method for driving liquid crystal display
A method for driving a liquid crystal display (LCD) is disclosed. The LCD includes a common electrode, a pixel electrode, and a liquid crystal layer having a plurality of impurity ions. The method includes: separating the impurity ions toward the common electrode and the pixel electrode to form an internal electric field in the liquid crystal layer; and providing a common voltage for the common electrode, and providing a first compensation voltage and a second compensation voltage for the pixel electrode. The first compensation voltage and the second compensation voltage herein are utilized to compensate the internal electric field so that a difference between the first compensation voltage and the common voltage is equal to a difference between the second compensation voltage and the common voltage. Charge accumulation is formed intentionally, and then the first compensation voltage and the second compensation voltage are provided to correctly display images. |
| US08736528B2 |
Liquid crystal display and method of driving the same including providing different dithering patterns to adjacent display regions
A liquid crystal display (LCD) and a method of driving the LCD in which the LCD includes a liquid crystal panel divided into a plurality of display regions, each of the display regions having a plurality of pixels; and a timing controller receiving a primitive image signal for displaying an image in the display regions, and correcting the primitive image signal using a plurality of dithering patterns respectively corresponding to the display regions, wherein the display regions in contact with each other on at least one side correspond to different dithering patterns. |
| US08736525B2 |
Display device using capacitor coupled light emission control transistors for mobility correction
In order to efficiently execute threshold value compensation for a driving transistor, a coupling capacitor (6) has one end connected to a data line (8). Another end of the coupling capacitor (6) is connected to a selection transistor (3) and one end of a reset transistor (4). A control terminal of a driving transistor (2) is connected to the other end of the selection transistor (3), and an organic EL element (1) is connected to this driving transistor via a light emission control transistor (5). A data voltage, corresponding to a gradation signal supplied to the data line (8), is written to a storage capacitor (7) via the coupling capacitor (6), and with the selection transistor (3) and the light emission control transistor (5) in an off state and the reset transistor (4) turned on, a compensation voltage corresponding to a degree of mobility of the driving transistor (2) is written to the coupling capacitor (6). |
| US08736521B2 |
Display device and electronic apparatus have the same
A display device includes a pixel array portion in which sub-pixels each including an electro-optic element, a write transistor for writing a video signal, a hold capacitor for holding the video signal written by the write transistor, and a drive transistor for driving the electro-optic element in accordance with the video signal held in the hold capacitor are disposed in a matrix, and each unit pixel is composed of the plurality of adjacent sub-pixels belonging to a plurality of rows. The display device further includes power source supply lines through which power source potentials different in potential from one another are selectively supplied to the drive transistors. One power source supply line is wired every plural rows. |
| US08736509B2 |
Multiband antenna and radio communication terminal
A multiband antenna includes at least two antenna elements for use in a low frequency band and a high frequency band, a feeding point unit configured to be shared by both of the antenna elements for use in the low frequency band and the high frequency band and an impedance matching unit configured to be inserted into and connected to a position between an end of the antenna element for use in the high frequency band on the side of the feeding point unit and an open end thereof. |
| US08736506B1 |
Wideband aircraft antenna with extended frequency range
A compact, broadband, aerodynamically streamlined, mechanically rugged antenna for aircraft and other applications has been developed that has a VSWR of 2:1 or better, and has uniform patterns with no nulls over a wide 8:1 bandwidth from 225 MHz to 1.85 GHz. The antenna has an aerodynamically streamlined shape, with a rugged housing capable of withstanding velocities up to Mach 2. In addition to its usage on aircraft, this antenna would be useful in a wide range of applications as a general purpose, wide bandwidth omnidirectional antenna. The antenna achieves its performance capabilities with the use of a double Vivaldi element feed section, an upper extension made of resistive film or R-card, and a shaped boundary between the feed and upper sections of the radiating elements. |
| US08736503B2 |
Compact Rotman lens using metamaterials
Apparatus for receiving and transmitting electromagnetic signals are disclosed herein. In some embodiments, an apparatus includes a positive refractive index (PRI) medium; a negative refractive index (NRI) medium having a first side and a second side disposed in the PRI medium; a plurality of first transmission lines, each first transmission line having a first end extending toward the first side of the NRI medium; and a plurality of second transmission lines, each second transmission line having a second end extending toward the second side of the NRI medium, wherein a plurality of electromagnetic signals travelling in a first direction, enters the PRI medium and travels along the plurality of first transmissions lines and exits into first side of the NRI medium, passes through the NRI medium and exits through the second side of the NRI medium into the PRI medium along a first one of the second transmission lines. |
| US08736502B1 |
Conformal wide band surface wave radiating element
Conformal antennas and methods for radiating radio frequency energy using conformal antennas are provided. In particular, one or more tapered feeds can be provided as part of or interconnected to a conductive top plate. The one or more tapered feeds have a depth that decreases from a feed point to a tip. The tip of the one or more tapered feeds is adjacent a cavity formed over a lens region. An aperture over the lens region can be covered or filled by an impedance surface. This impedance surface may comprise a frequency selective surface. Alternatively, a frequency selective surface can be provided over the lens region of an antenna incorporating one or more stripline feeds. |
| US08736500B1 |
Loop antenna with impedance matching
An antenna apparatus that has a base and an antenna element with a balanced RF output, which receives RF signals within a first band of frequencies. The apparatus includes a mount engaged with the base that rotatably supports the antenna about an axis of rotation. The apparatus has a balun with a balanced RF input and an unbalanced RF output. A feed line is coupled between the balanced RF output and the balanced RF input. The feed line includes two electrical conductors that have a predetermined length and that are aligned substantially in parallel, and supportively spaced apart a predetermined distance by plural insulators. The feed line is further arranged to maintain the predetermined distance between the two electrical conductors as the antenna element rotates with respect to the base. The predetermined length and the predetermined distance are selected to yield a narrow range of impedances within the first band of frequencies as measured at the unbalanced RF output of the balun, which enables efficient coupling of the RF signals from the unbalanced RF output of the balun. |
| US08736497B2 |
Antennaless wireless device capable of operation in multiple frequency regions
The present invention refers to an antennaless wireless handheld or portable device comprising a communication module including a radiating system capable of transmitting and receiving electromagnetic wave signals in a first frequency region and in a second frequency region, wherein the highest frequency of the first frequency region is lower than the lowest frequency of the second frequency region. The radiating system comprising a radiating structure and at least one internal port, wherein the input impedance of the radiating structure at the/each internal port when disconnected from the radiofrequency system has an imaginary part not equal to zero for any frequency of the first frequency region; and wherein said radiofrequency system modifies the impedance of the radiating structure, providing impedance matching to the radiating system in the at least two frequency regions of operation of the radiating system. |
| US08736493B2 |
Antenna and base station
The present invention provides an antenna and a base station. The antenna includes an antenna array and a first BUTLER network. The antenna array includes multiple radiating elements arranged vertically. The first BUTLER network includes n input ports and m output ports, the m output ports are respectively connected to at least one radiating element of the antenna array; the n input ports of the BUTLER network respectively receive a path of signals, and after phase adjustment and amplitude adjustment by the first BUTLER network, output signals of n groups of phase distribution combination through the m output ports, each group of phase distribution combination includes m phases, each output port respectively outputs signals of one phase in each group of phase distribution combination, the multiple radiating elements connected to the m output ports radiate n beams, where the n beams are distributed at specific angles on the vertical plane. |
| US08736490B2 |
Receive diversity in GNSS receivers
The subject matter disclosed herein relates to receiving one or more SPS signals at two or more physically separated antennae. In an aspect, signals from the physically separated antennae may be downconverted into complex digital signals that may undergo further processing to improve one or more performance metrics related to position estimation operations, for example. |
| US08736489B2 |
GNSS receiver
To provide an art that can improve a performance of a GNSS receiver. A GNSS receiver 100 includes a receiver 1, a navigation message acquiring unit 3, a navigation message processor 5, and a calculator 6. The receiver 1 receives signals from satellites. The navigation message acquiring unit 3 acquires predetermined information in navigation messages contained in the signals received by the receiver. The navigation message processor 5 outputs either one of the same kind of information in the plural different kinds of navigation messages, which is acquired by the navigation message acquiring unit 3. The calculator 6 performs a calculation based on the information outputted from the navigation message processor 5. |
| US08736486B2 |
Synthetic aperture radar system
An imaging system for generating a three dimensional image of tissue of a patient is provided. The imaging system comprises of a transmitter, receiver, antenna system and a display element to form a synthetic aperture radar system that displays a three dimensional view of the tissue. The SAR system has been configured to operate in the near field as opposed to current equipment which can only perform satisfactorily in the far field. A calibration technique has been utilized that allows the system to perform as well as other systems that operate using far field techniques but allows for a much simpler, cost effective system. |
| US08736485B2 |
Method for direction finding by means of monopulse formation
A method for direction finding by means of monopulse formation in a radar system with electronically controlled group antenna and analog beam shaping of sum and difference channels, a self-test of the antenna being carried out to identify failed receiving elements, and the result of the self-test going directly into the monopulse formation and the test thereby being error corrected. The result of the self-test is converted into correction values that, independently of the antenna viewing direction, are combined with those from the sum channel signal and the difference channel signals of the antenna. |
| US08736477B2 |
Low-memory-usage arbitrary waveform representation or generation
This disclosure describes techniques and apparatuses for low-memory-usage arbitrary waveform representation or generation. These techniques and/or apparatuses enable representation and/or generation of arbitrary waveforms using less memory than many current techniques, thereby reducing costs or memory size. Further, in some embodiments the techniques and apparatuses generate arbitrary waveforms without using processor resources. |
| US08736476B2 |
Modified first-order noise-shaping dynamic-element-matching technique
A technique includes selectively enabling a first sequence of unit elements of a plurality of unit elements of a digital-to-analog converter to convert a digital code to a plurality of analog signals in response to a plurality of control signals. Individual control signals of the plurality of control signals and individual analog signals of the plurality of analog signals correspond to respective unit elements of the plurality of unit elements. The technique includes generating the plurality of control signals based on the digital code, a random digital code having a number of bits based on a feedback signal, and an indicator of a second sequence of unit elements of the plurality of unit elements enabled in response to a prior digital code. |
| US08736469B2 |
Method and system for minimizing variation of converter voltage reference
A system for minimizing variation of a voltage reference includes a voltage reference generator and a power converter. The voltage reference generator is configured to generate a voltage reference from a supply voltage. The power converter, such as a flyback converter, is configured to supply an adjustable supply voltage to the voltage reference generator. The voltage reference generator generates the voltage reference from the adjustable supply voltage. |
| US08736468B2 |
Method and system for monitoring for variation of converter voltage reference
A method and system include a converter such as an analog-to-digital converter (“ADC”) and a controller. The converter is configured to receive a sensor signal, indicative of a physical measured quantity, and generate an output signal based on the sensor signal and the voltage reference. The converter is further configured to alternately receive a calibration voltage in lieu of the sensor signal and generate the output signal based on the calibration voltage and the voltage reference. The controller is configured to compare the output signal based on the calibration voltage and the voltage reference with an expected value of the output signal based on the calibration voltage and an assumed value of the voltage reference to detect variation of the voltage reference, and to compensate the output signal based on the sensor signal and the voltage reference as a function of the detected variation of the voltage reference. |
| US08736467B2 |
Adaptive binarization for arithmetic coding
The present invention first provides adaptive binarization in which a binarizer outputs binary symbol in length, which is variable adaptively to the probability of the source. When the probability is low, it is desirable to decrease the length of the binary symbols to improve the efficiency of arithmetic coding and reduce the complexity of coding calculation. On the other hand, when the probability is high, it is desirable to increase the length of the binary symbols to improve the overall process speed of a decoder. Specifically, a binarizer, according to the present invention, binarizes mapping unit values from a non-binary symbol into binary symbols. The number of binary symbols is inversely proportional to the size of the mapping unit value. In the present invention, the mapping unit value is made variable adaptively to the probability. Thus, the number of binary symbols from the binarizer is also variable adaptively to the probability parameter. |
| US08736465B2 |
Aircraft traffic display
A system and method for displaying additional traffic information beyond that received from an ADS-B or other transponder communication. Such additional traffic information may be displayed on a display screen within a cockpit, and may include such things as an aircraft's make, model, manufacturer, or other information. The additional information may be displayed as text, or one or more pictures, icons, or symbols that correspond to this additional information, or any combination of text and such items. The additional information may be determined from one or more databases that correlate information received in the transponder communication to the additional information that is not contained within the transponder communication. |
| US08736464B1 |
System and method for presenting a dynamic checklist to the user of a vehicle
A present novel and non-trivial system and method for presenting a dynamic checklist are disclosed. The system may be comprised of one or more vehicular sources of internal system data and a checklist generating processor, and a presentation unit such as a visual display unit. An automated response corresponding to each checklist item appearing on the dynamic checklist may be determined after real-time internal system data is received and applied to an acceptability configuration defined by a manufacturer and/or end-user. Then, a presentation data set representative of a dynamic vehicular checklist and comprised of each checklist item and its corresponding automated response could be generated and provided to a presentation unit which presents the dynamic checklist, whereby the user is presented with acceptability information of one or more of the checklist items. Additionally, the dynamic checklist may receive and present external data, and may provide for pilot interaction. |
| US08736461B2 |
Control method of traffic sign by utilizing vehicular network
The present invention provides a control method of traffic sign by utilizing vehicular network which can be applied to an intersection. The method comprises: a passing rate calculating step, calculating a passing rate according to a driving parameter; a vehicular movement type determining step, determining a vehicular movement type of a lane at the intersection according to the driving parameter; and a signal determining step, determining next signal according to the passing rate and the vehicular movement type. |
| US08736457B2 |
Information processing apparatus and method, server apparatus, server apparatus control method, and program
There is provided an information processing apparatus including a current waveform acquisition unit which acquires a current waveform from when a predetermined electric appliance is used, a communication unit which transmits the acquired current waveform of the electric appliance to a server apparatus, and receives control information on a character corresponding to the electric appliance from the server apparatus, and a display control unit which performs control of causing a predetermined display unit to display the character based on the received control information on the character. |
| US08736453B2 |
Preemptive notification of patient fall risk condition
One or more servers and hospital beds are connected to a healthcare network. At least one of the servers includes an event notification module that operates to receive patient EMR information and patient bed configuration information. The patient EMR information is comprised of a patient fall risk profile. At least one of the patient beds includes sensors that transmit messages which include information about the current bed configuration state to the event notification module. The event notification module uses information included in the patient fall risk profile and current bed configuration information to determine whether a patient is at risk of fall out of their bed, and if the patient is at risk, generates an alert message that is sent to a call station or hospital worker. |
| US08736444B2 |
System and method for wireless heat detection
A system for wireless heat detection is disclosed. The system includes one or more heat sensors that convert sensed heat energy into electrical power for transmitting an alarm signals. A remote system may trigger an alarm based on the received alarm signals. The heat sensors may be placed at discrete locations within an interior of a building to monitor a condition of the infrastructure of the building. The remote system can include a communications module for receiving the signal and transmitting an alarm signal to an associated fire panel. The fire panel may analyze the signal, as well as signals generated from adjacent sensors, to determine whether a fire condition exists within a building. Appropriate notification devices may then be activated based on the determination. Other embodiments are disclosed and claimed. |
| US08736443B1 |
Mobile alerting system using distributed notification delivery
A system and method are disclosed for delivering an alert from a mobile alerting system using distributed notification delivery. The method uses a mobile alerting system to receive an alert initiation request from an alert operator, where the alert initiation request includes metadata of an alert to be delivered. The method extracts the metadata from the alert initiation request and persistently stores the extracted metadata in a first storage place on the mobile alerting system. The method further makes an alert initiation request with one or more remote communication systems based on the extracted metadata of the alert. The method securely delivers the alert initiation request and extracted metadata to the remote communication system, which stores the metadata transiently in a second place, delivers the alert to multiple alert recipients tracks delivery progress and reports the collected alert responses back to the mobile alerting system. |
| US08736437B2 |
Building equipment control system
A building equipment control system comprises a remote transceiver module including a plurality of remote transceivers for remotely receiving multi-channel alarm signals, and each of the remote transceivers including a plurality of input points; a remote indication module including a plurality of remote indicators for performing alarm indication according to the multi-channel alarm signals, and each of the remote indicators including a plurality of output points; a remote main system controller for remotely setting characteristics and authorities of the input and output points; a remote compiler for remotely changing system settings of the remote main system controller and characteristics of the input points. The wiring of the system could save about 70-90% cables and 90-95% junction boxes, and reduce about 70% period of time for wiring and 90% period of time for testing and debugging needed for the conventional building equipment control system. The maintenance costs for the present building equipment control system are very low and thereby the efficiency thereof is higher. It is easier to fix failures of the system. |
| US08736431B2 |
Tactile visual indicator
A tactile visual indicator and methods, apparatuses, and computer program products for controlling a tactile visual indicator are provided. Embodiments include a light source; an electromagnetically inductive wound coil; and a light pipe coupled to a ferromagnetic-metal jacket surrounding the outside of the light pipe. The ferromagnetic-metal jacket is within the wound coil and one end of the light pipe is provided to the light source. The light pipe and the ferromagnetic-metal jacket are configured to move within the wound coil in response to the coil receiving power. Light shining through the light pipe from the light source provides a visual indication of a status and the movement of the light pipe and jacket within the wound coil provides a tactile indication of the status via contact with a user. |
| US08736429B2 |
Greeting card with subsequent audio after closing
A greeting card having an audio message and playback device delivers a first sound recording upon opening of the greeting card and a second sound recording upon closing of the greeting card. The delivery of each sound recording may be delayed by a timing component within the audio message and playback device. Additionally, the delivery of each sound recording may be played simultaneously or in queue. Sound recordings may also be recorded by a user using a recording component that is in addition to the audio message and playback device. The audio message and playback device may also include an additional trial mode component that allows the user to test a recorded message before purchasing the greeting card and place the greeting card into a use mode that allows the user to permanently record the message. |
| US08736428B2 |
Remote control apparatus and communication system
Disclosed herein is a remote control apparatus for performing wireless communication with an electronic device, the remote control apparatus including: a reader/writer configured to read and/or write information from or to an information storage medium; and a transmission/reception section configured to transmit and receiving a signal to or from the electronic device via the wireless communication, wherein the transmission/reception section uses the same wireless communication system for both transmission of an operation instruction to the electronic device and transmission of information read from the information storage medium and reception from the electronic device of information to be written to the information storage medium. |
| US08736427B2 |
Intelligent infrared remote pairing
Systems and methods for associating a remote controller with a device are provided. The systems and methods generally relate to receiving a request from a remote controller to pair the remote controller to a device at several devices and determining at each of the several devices the strength of the wireless pairing request signal received by that device. If a device determines that its received signal is the strongest, the device may be paired with the remote controller. If instead a device determines that its received signal is not the strongest, it may ignore subsequent communications received from the remote controller. |
| US08736423B2 |
RFID network control and redundancy
In accordance with embodiments of the invention, RFID network control devices (RNCDs) are provided wherein RFID traffic signals from any one of multiple RFID readers may be routed to any of the RFID antennas coupled to the RNCD. Each reader coupled directly or indirectly to the RNCD, either through its own action or the action of the external host controller managing the reader, may issue commands to the RNCD, over the same cable used to carry RFID traffic signals, and cause the RNCD to set its internal switch configuration such that a channel is established for RFID traffic signals between that reader and a particular RFID antenna coupled to the RNCD. This may include commands from the reader or external host controller which place other intervening RNCD units in a bypass state so as to establish the required communications channel with a minimum of signal strength loss. |
| US08736422B2 |
Method and reader to conduct a label query in a radio frequency identification system
A method for conducting a passive label query in a radio frequency identification system, wherein a query process conducted by a reader for a group of passive labels comprises a first query and a subsequent query. The link frequency used by a reverse link from the passive label to the reader in the subsequent query is smaller than that the link frequency used by the reverse link in the first query. The method improves the reverse link performance of a passive label radio frequency identification system, and increased the reading success rate of the passive label. A reader is also provided to implement the method. |
| US08736419B2 |
Method and apparatus for implementing a vehicle inspection waiver program
Position data received wirelessly from a vehicle enrolled in an inspection waiver program are employed to determine when the enrolled vehicle is approaching an inspection station. After determining that the enrolled vehicle is approaching an inspection station, and if the enrolled vehicle has a valid inspection waiver, a bypass confirmation can selectively be provided to the vehicle operator, authorizing the operator to bypass the inspection station. The task of determining when an enrolled vehicle is approaching the location of an inspection station can be performed using a processor disposed in the vehicle, or at a remote location separate from both the vehicle and the inspection station, or at the inspection station. The inspection stations can be mobile so that their locations are varied to prevent operators from intentionally avoiding an inspection, as may occur with fixed inspection stations. |
| US08736416B2 |
Thermal protector
A self-hold type thermal protector according to the present invention includes a movable contact of a movable plate rises and separates from a fixed contact when a bimetal of the thermal protector inversely warps at a predetermined temperature, an electric current between the contacts, namely, an electric current between a movable contact side terminal and a fixed contact side terminal is disrupted, and the disrupted current flows into the polymer PTC element, which is then made to produce heat and is thermally expanded to increase a resistance value. A second terminal member on a side opposite to a first terminal member where the polymer PTC element is positioned and fixed forms a bowing part, and a gap h is formed between an upper inner wall of a housing and the upper surface of the second terminal member. |
| US08736410B2 |
Reinforced magnet
A magnet that includes a composite body and at least one reinforcing element. The reinforcing element is embedded within the body and increases the radial strength of the body. As a result, the magnet is able to rotate at higher speeds without fracturing. Additionally, methods of manufacturing the magnet are described. |
| US08736404B2 |
Micromechanical digital capacitor with improved RF hot switching performance and reliability
The present invention generally relates to RF MEMS devices that are capable of hot switching. The RF MEMS devices, by utilizing one or more spring mechanisms, are capable of hot switching. In certain embodiments, two or more sets of springs may be used that become engaged at specific points in the displacement of the cantilever of the MEMS device. The springs allow for a significant increase in the release voltage for a given pull in landing voltage. |
| US08736403B2 |
Resonance filter having low loss
The present disclosure provides example resonance filters and methods for making the same. The resonance filter includes a first layer having n adjacent resonance cavities, n being at least 2 and said cavities each being separated from one another by a partition wall. The resonance filter also includes a second layer having at least n−1 coupling cavities. The cavities in the first layer are formed as resonance cavities and those in the second layer are formed as (a) coupling cavity/cavities and are open on one side. The second layer is arranged on the first layer in such a way that the resonance cavities in the first layer are interconnected by the coupling cavity/cavities in the second layer. Further, the resonance filter is configured as a monolithic component. |
| US08736383B2 |
Power amplifier circuit and control method
A power amplifier circuit uses an output transistor and a cascode transistor. First and second drive circuits apply gate control signals to the two transistors, which rise and fall in synchronism, and this is such that the voltage drop across the cascode transistor is reduced (compared to a constant gate voltage being applied to the output transistor). |
| US08736382B1 |
Low power wide-band amplifier with reused current
In one embodiment, an apparatus includes a first amplification block configured to receive a signal and a second amplification block configured to output the signal. The outputted signal is an amplified version of the signal. A circuit allows reuse of a second current flowing through the second amplification block by coupling the second current to pass through the first amplification block to increase a first current that flows through the first amplification block. Amplification of the signal is based on the increased first current that flows through the first amplification block. |
| US08736381B2 |
Detection device provided with a transimpedance circuit
The invention concerns a detection device including a photodiode (Ph) designed to capture a luminous signal to transform it into a current (Iph) and including first and second terminals, a transimpedance amplifier circuit connected between the first terminal and the second terminal of the photodiode (Ph) and designed to amplify the current (Iph) coming from the photodiode (Ph). The transimpedance amplifier circuit includes a plurality of operational amplifiers (AOP1, AOP2, AOP3) connected in parallel and a gain resistor (Rgain) common to all the connected amplifiers. |
| US08736380B2 |
Amplifier for buoyant cable antenna
An amplifier for use in a buoyant cable antenna operable to receive signals within a frequency band includes: a first amplifier operable to provide amplified signals based on the received signals; a bandpass filter arranged to pass filtered signals within a first portion of the frequency band, the filtered signals being based on the amplified signals; an attenuator arranged in parallel with said bandpass filter and operable to attenuate signals within a second portion of the frequency band, the attenuated signals being based on the amplified signals; and a second amplifier operable to provide an amplified output including first amplified signals within the first portion of the frequency band and to provide second amplified signals within the second portion of the frequency band. The first amplified signals have a first gain, the second amplified signals have a second gain, and the first gain is more than the second gain. |
| US08736375B2 |
Doherty amplifier
A Doherty amplifier has a distributor for branching an input signal into two signals, a carrier amplifier to which one of the signals is inputted from the distributor, a peak amplifier to which another signal of the signals is inputted from the distributor, and a synthesizer for synthesizing output signals from the carrier amplifier and the peak amplifier. The carrier amplifier has a compound semiconductor device with at least two terminals. The peak amplifier has a single element semiconductor device. Bias voltages having the same polarity are applied to the two terminals of the compound semiconductor device. |
| US08736372B2 |
Output buffer of source driver
An output buffer of a source driver is disclosed. The output buffer includes a buffer input, a buffer output, a differential input stage, a bias current source, an output stage, a compensation capacitor, and a comparator. The output stage and the comparator are both operated between an analog supply voltage (AVDD) and a half analog supply voltage (HAVDD), or both operated between the half analog supply voltage (HAVDD) and a ground voltage. The comparator compares an input signal with an output signal and outputs a control signal to the bias current source according to the compared result. |
| US08736370B2 |
Variable gain amplifier circuit
A variable gain amplifier circuit is disclosed. The variable gain amplifier circuit includes a first transistor, a second transistor, a third transistor, a fourth transistor, a first gain switching circuit, and a second gain switching circuit. The first and the second transistors are respectively coupled to the first and the second nodes for receiving a differential input signal pair. The third transistor is coupled between the first node and a third node. The fourth transistor is coupled between the second node and a fourth node. The first gain switching circuit is coupled between the first node and the third node and further cross-coupled to the fourth node. The second gain switching circuit is coupled between the second node and the fourth node and further cross-coupled to the third node. |
| US08736367B2 |
Power amplifier with switching means and feedback circuit
A power amplifier for amplifying an electric input signal in an operational frequency range and providing an output signal, comprising switching means (22), filter means (14, 15) for generating a power output signal by low pass filtering a block wave signal, input means for receiving the electric signal and feeding it to a first input of the switching means, the power amplifier further comprising a feedback circuit (24) connecting the output signal to the first input of the switching means. The power amplifier comprises a servo amplifier (32) connected to receive an error signal appearing at the first input of the switching means and to feed a correction output signal to a second input of the switching means (22) for neutralizing an impact of the error signal on the output signal. The invention relates to a method of amplifying an electric input signal in an operational frequency range. The method includes the steps of obtaining an error signal present at said first input of the switching means, amplifying the error signal in the operational frequency range, inverting the error signal and feeding the amplified and inverted error signal to a second input of the switching means. |
| US08736364B2 |
Power amplifier and method of operation thereof
A power amplifier is provided which is capable of performing efficient amplification in a wider transmission signal power range than conventional power amplifiers. The power amplifier for amplifying and outputting an input signal includes first to N-th amplifiers (N is an integer of two or more) which are cascaded. A Doherty amplifier is used in circuit configuration of each of the first to N-th amplifiers. At least one of the first to (N−1)-th amplifiers has a different power ratio from that of the N-th amplifier. |
| US08736363B2 |
Circuit for optimizing a power management system during varying load conditions
A circuit for optimizing a power management system. The circuit includes a first amplifier. The first amplifier is responsive to a first reference signal and operable to supply a first load current. The circuit also includes a second amplifier coupled to the first amplifier. The second amplifier is responsive to a second reference signal and operable to supply a second load current. The second load current is lower in magnitude than the first load current, thereby enabling the first amplifier to operate during a first load condition, and the second amplifier to operate during the first load condition and a second load condition. Further, the circuit includes a resistive element coupled to the first amplifier and the second amplifier, to isolate the first amplifier from the second amplifier. |
| US08736361B2 |
High-pass coupling circuit
A filter provides high-pass coupling between circuits. The filter includes charge storage elements and switch elements coupling the charge storage elements. A controller is coupled to the switch elements for sequencing configurations of the switch elements in phases for each of a succession of sample periods to perform a time sampled continuous value signal processing of the input signal to form the processed signal. The sequenced configurations include a configuration in which a charge representing a value of the input signal is stored on a multiple of the charge storage elements, a configuration in which charge storage elements are coupled with the switch elements, and a set of one or more configurations that implement a scaling of a charge on one of the charge storage elements to be on one or more of the charge storage elements. |