25th week of 2010 patent applcation highlights part 34 |
Patent application number | Title | Published |
20100157394 | THERMAL DYE ELEMENTS USEFUL FOR COLOR PROOFING - A thermal element has a support and either a thermal donor layer or a thermal dye receiving layer. The thermal element also includes a spirobiindane in an amount of at least 20 mg/m | 2010-06-24 |
20100157395 | IMAGE READING APPARATUS, MULTIFUNCTION PRINTER APPARATUS, AND IMAGE PROCESSING METHOD - This invention is directed to an image reading apparatus. In the apparatus, reading an original by irradiating it with light of three primary colors, respectively, and by receiving the reflected light is performed as follows. More specifically, an operation mode is designated, and conditions used to perform image reading are set in accordance with the designated mode. Under the set conditions, the image reading is performed according to a method of irradiating an original sequentially with beams of the three primary colors and reading the beams reflected by the original. Alternatively, under the set conditions, image reading is performed according to a method of irradiating an original simultaneously with beams of two primary colors in each of three different combinations of the three primary colors and reading the beams reflected by the original. Instead, image reading is executed twice according to these two methods. | 2010-06-24 |
20100157396 | IMAGE PROCESSING APPARATUS AND METHOD OF CONTROLLING THE SAME - Disclosed is an image processing apparatus and a method of controlling the same. A color contact image sensor (CIS) module employing a single channel line sensor can be used to produce substantially the same performance as a color CIS module employing a three-channel line sensor and having color filters to, for example, reduce manufacturing costs. Moreover, a blurring phenomenon that can occur in a scanned image can be reduced and the quality of the scanned image can be improved. | 2010-06-24 |
20100157397 | LINEAR PROCESSING IN COLOR CONVERSION - Methods and systems herein provide for color conversion of image data to another color space, such as that of a printer. Such color conversion includes linearly processing the color conversions when using radial basis functions for the conversions. One color conversion system herein includes a modeling module operable to generate a numerical model according to a radial basis function for converting the color values in the image data to the color space. The numerical model includes error approximations operable to form the radial basis function into a linear process. The system also includes a color converter operable to convert the color values in the image data to the color space based on the numerical model. | 2010-06-24 |
20100157398 | HOLOGRAPHIC RECORDING MEDIUM, HOLOGRAPHIC WRITING SYSTEM AND HOLOGRAPHIC READING SYSTEM - A holographic recording medium including a recording layer on a substrate, which records data information in a light interference pattern is provided. In the holographic recording medium, information on a thermal expansion characteristic of a recording material contained in the recording layer and/or information on temperature dependency of the refractive index of the recording material are recorded within the holographic recording medium in advance. | 2010-06-24 |
20100157399 | Holographic Display - Disclosed is a holographic display including a spatial light modulator, and including a position detection and tracking system, such that a viewer's eye positions are tracked, with variable beam deflection to the viewer's eye positions being performed using a microprism array which enables controllable deflection of optical beams. | 2010-06-24 |
20100157400 | Holographic Substrate-Guided Wave-Based See-Through Display - A holographic substrate-guided wave-based see-through display can has a microdisplay, capable of emitting light in the form of an image. The microdisplay directs its output to a holographic lens, capable of accepting the light in the form of an image from the microdisplay, and capable of transmitting the accepted light in the form of an image. The holographic lens couples its output to an elongate transparent substrate, capable of accepting the light in the form of an image from the holographic lens at a first location, and transmitting the light in the form of an image along a length of the substrate by total internal reflection to a second location spaced from the first location, the elongate substrate being capable of transmitting the accepted light in the form of an image at the second location. The substrate couples out what it receives to a transparent holographic grating, capable of accepting the light transmitted from the elongate substrate and transmitting it to a location outside of the holographic grating as a viewable image. | 2010-06-24 |
20100157401 | Apparatus and method for reading and apparatus for reading and writing holograms - An apparatus for reading and writing holograms from and to a holographic storage medium is described, which uses an object beam and a reference beam both having a first coherence length and being guided along separate optical branches of an optical setup to be imaged to the holographic storage medium. The apparatus comprises means for reducing the coherence length of the reference beam to a second coherence length for reading out a hologram from the holographic storage medium, wherein the second coherence length is shorter than the first coherence length. | 2010-06-24 |
20100157402 | Integrated Optical Latch - Techniques are disclosed for optical switching and data control, without the interaction of electronic switching speeds. In one example embodiment, a common cavity optical latch is provided that that can hold an optical state for an extended period of time, and the operation of which is controlled optically. Optical phase control allows optical modal switching to be employed between two common optical cavities, using incident optical signals and the way in which the cavities manipulate the phase within them to lock in one or the other configuration, thereby forming an optical latch. The optical latch is implemented in an integrated fashion, such as in a CMOS environment. | 2010-06-24 |
20100157403 | Apparatus Comprising an Optical Path Delay Scanner - An optical path delay scanner, comprising a rotatable mount, a first prism and a second prism disposed on the mount, and a radiation source aligned to project light through the first prism and the second prism. The radiation source may be arranged to project the light on a surface of the first prism at an incidence angle corresponding to the prism's minimum deviation angle. The scanner may be disposed in a reference arm of a Michaelson interferometer. | 2010-06-24 |
20100157404 | LASER TREATMENT APPARATUS AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE - A laser treatment apparatus is provided which is capable of irradiating a laser beam to the position where a TFT is to be formed over the entire surface of a large substrate to achieve the crystallization, thereby forming a crystalline semiconductor film having a large grain diameter with high throughput. A laser treatment apparatus includes a laser oscillation device, a lens for converging a laser beam, such as a collimator lens or a cylindrical lens, a fixed mirror for altering an optical path for a laser beam, a first movable mirror for radially scanning a laser beam in a two-dimensional direction, and an fθ lens for keeping a scanning speed constant in the case of laser beam scanning. These structural components are collectively regarded as one optical system. A laser treatment apparatus shown in FIG. | 2010-06-24 |
20100157405 | LIGHT AMOUNT ADJUSTING DEVICE AND OPTICAL DEVICE - A light amount adjusting device includes: a board including an opening; a linear moving blade linearly and movably supported by the board; and a swinging blade swingably supported by the board, wherein: the linear moving blade and the swinging blade are receded from the opening to form a fully opened state; the linear moving blade covers the opening to form a fully closed state; and the swinging blade has a small aperture opening with a diameter smaller than a diameter of the opening, and causes the small aperture opening and the opening to be overlapped with each other to form a small aperture state. | 2010-06-24 |
20100157406 | SYSTEM AND METHOD FOR MATCHING LIGHT SOURCE EMISSION TO DISPLAY ELEMENT REFLECTIVITY - Systems and methods for illuminating interferometric modulator reflective displays are disclosed. One embodiment includes a display including a plurality of interferometric modulators configured to reflect a spectrum of radiation having a reflectance response peak at one or more wavelengths. A plurality of quantum dots are configured to emit radiation having a peak wavelength substantially at said one or more wavelengths, and the display is configured such that light emitted from the quantum dots irradiates the plurality of interferometric modulators. | 2010-06-24 |
20100157407 | PHOTOCHROMIC FILMS AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a photochromic film which is formed by curing a photochromic composition and includes a multifunctional (metha)acrylate-based monomer that has two or more functional groups, and a photochromic dye, a product including the same, and a method for producing the photochromic film. | 2010-06-24 |
20100157408 | Display devices - A display device may include a substrate, a thin film layer formed on the substrate and/or having a light absorptance that varies according to an electric field applied to the thin film layer, and/or electrodes disposed to apply the electric field to the thin film layer and/or configured to change the electric field applied to the thin film layer. | 2010-06-24 |
20100157409 | Method for Producing an Electrochromic Display - In a method for producing electrochromic displays ( | 2010-06-24 |
20100157410 | DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME AND ELECTROWETTING DISPLAY PANEL HAVING THE DISPLAY SUBSTRATE - A display substrate includes a base substrate, a reflection-polarization member, a first electrode, an insulation layer and a pixel wall. The reflection-polarization member is disposed on the base substrate to reflect and polarize incident light. The first electrode is disposed in a unit pixel area of the reflection-polarization member. The insulation layer is disposed on the first electrode. The pixel wall is disposed on the insulation layer and defines the unit pixel area. Therefore, the entire area of a unit pixel may be used as a reflective area or a transmissive area, and thus an aperture ratio may be improved in a reflection mode or a transmission mode. | 2010-06-24 |
20100157411 | COLOR ELECTROPHORETIC DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - Discussed are a color electrophoretic display device with a color filter layer, which is formed in a droplet state on a rear surface of an electronic ink film through surface treatment so as to be capable of adjusting density of droplets in pixels and achieving correct alignment, and a method for manufacturing the same. The method includes forming a thin film transistor (TFT) array substrate including a display region, in which a plurality of pixel regions are defined in a matrix, and alignment keys provided at the outside of the display region, forming an electrophoretic layer including a micro capsule layer formed so as to correspond to the display region of the TFT array substrate, and forming a color filter layer on the electrophoretic layer using the alignment keys so as to correspond to the respective pixel regions of the display region. | 2010-06-24 |
20100157412 | Electrophoretic display device and manufacturing method thereof - An electrophoretic display (EPD) device adapted to prevent a dispensed fluid sealant from moving toward a non-active area is disclosed. The EPD device includes: a first substrate configured to include a flexible plate divided into an active area and a non-active area; a thin film transistor array formed on the active area of the plate; a second substrate opposite to the first substrate; an electrophoretic film, between the first and second substrates, configured to contain charged particles driven depending on electrophoresis; a sealant, between the first and second substrates, hardened from fluid state; a sealant block formed on a sealant formation region to prevent the fluid sealant from flowing into the non-active area before hardening of the fluid sealant, wherein the sealant block is configured to include a first dam, a second dam, and a furrow between the first and second dams. | 2010-06-24 |
20100157413 | METHOD AND APPARATUS FOR PROVIDING A DECORATIVE SURFACE - A decorative housing ( | 2010-06-24 |
20100157414 | Systems and Methods for Generating Electromagnetic Radiation - Systems and methods for generating electromagnetic waves are provided. In one embodiment, a system for generating electromagnetic waves is provided. The system comprises a dielectric column comprising a spherical portion and at least one cylindrical portion, wherein the spherical portion receives a first wave from a first source and a second wave from a second source and generates a resulting electromagnetic wave along the interior of the cylindrical portion having a difference frequency caused by whispering gallery modes of the spherical portion, and the at least one cylindrical portion having at least one output for outputting the resulting electromagnetic wave. | 2010-06-24 |
20100157415 | REGULATABLE OPTICAL AMPLIFIER, AND METHOD FOR REGULATING AN OPTICAL AMPLIFIER - The invention relates to a regulatable optical amplifier which has at least two series-connected amplifier groups, each amplifier group having a regulating device. Connected upstream of the optical amplifier is a power monitor device for detecting changes in the input power, whose electrical output is connected both to the first regulating device and to the second regulating device. In line with the invention, the first and second regulating devices have a control line inserted between them which comprises a series circuit containing a high-pass filter, a delay and signal-shaping unit and a feed-forward control unit for generating a correction signal for the second regulating device. In this arrangement, the high-pass filter has a cut-off frequency which corresponds approximately to the cut-off frequency of the first amplifier group. The inventive control line optimizes the regulating response such that power transients in the output signal from the optical amplifier are reduced particularly after an abrupt change in the input power. | 2010-06-24 |
20100157416 | Optical amplifier provided with control function of pumping light, and optical transmission system using the same - In an optical transmission system according to one aspect of the present invention, for transmitting a WDM light from a transmission station to a reception station, utilizing a Raman amplifier, the Raman amplifier comprises: an optical amplification medium; a pumping light source generating a plurality of pumping lights having wavelengths different from each other; an optical device introducing the plurality of pumping lights to the optical amplification medium; and control means for controlling the pumping light source, the transmission station sends out a plurality of reference lights having wavelengths at which respective Raman gain obtained by the plurality of pumping lights reach peaks or wavelengths close to the above wavelengths, and the control means controls the plurality of pumping lights based on the optical powers of the plurality of reference lights. Thus, it becomes possible to accurately manage the optical power balance of the WDM light and the optical power of the entire WDM light. | 2010-06-24 |
20100157417 | Optical-signal processing apparatus - An optical-signal processing apparatus includes a polarizer that is provided at an output terminal of an optical fiber, and polarization control units that adjust a first excitation light and a second excitation light input to the optical fiber. The polarization control units adjust polarization states of the first excitation light and the second excitation light so that, when the first excitation light and the second excitation light are input to the polarizer, polarization directions of the first excitation light and the second excitation light are orthogonal to each other, and angular difference between the polarization direction of the first excitation light and the polarization direction of the second excitation light, measured against the polarization main axis of the polarizer, is equal to or smaller than a threshold value. | 2010-06-24 |
20100157418 | GLASS LARGE-CORE OPTICAL FIBERS - Embodiments of optical fiber may include cladding features that include a material (e.g., fluorine-doped silica glass) that may produce a very low relative refractive index difference with respect to cladding material in which the cladding features are disposed. This relative refractive index difference may be characterized by (n | 2010-06-24 |
20100157419 | High Power Short Optical Pulse Source - The invention is directed to a high power short optical pulse source | 2010-06-24 |
20100157420 | Light irradiation apparatus - A light irradiation apparatus adapted to form an alignment of an LCD device through a photo alignment process is disclosed. The light irradiation apparatus includes a light source generating ultraviolet light, a polarizer polarizing the ultraviolet light generated in the light source, and a filter blocking off the polarized light from the polarizer except an effective wavelength band of light for a photo alignment. | 2010-06-24 |
20100157421 | PROJECTION OPTICAL SYSTEM AND IMAGE PROJECTING APPARATUS - A projection optical system comprising a first optical system configured to form a first image conjugated with an object and a second optical system configured to project a second image conjugated with the first image toward a projection surface, in which at least one of the first optical system and second optical system comprises at least one optical element(s) movable relative to the object is provided, wherein an image distance of the projection optical system is changed and a size of the second image is changed, by moving at least one of the optical element(s) relative to the object. | 2010-06-24 |
20100157422 | MICROSCOPE DEVICE - A microscope device including a coherent light source, an illuminating optical system which has light beam splitting means that splits the coherent light source into light beams and phase-modulating means disposed near a pupil conjugate plane and adapted for modulating the phases of two of the light beams and projects illuminating light spatially modulated into an interference fringe structure by causing the two light beams to interfere with each other near the plane of a sample, an imaging optical system for forming an image of the sample with diffracted light, imaging means, and image processing means for creating a sample image by computation of the image captured by the imaging means each time the phase of the spatial modulation is modulated. | 2010-06-24 |
20100157423 | OBSERVATION UNIT - The observation unit according to the present invention comprises an observation device observing a sample, a placing table on which the sample is placed, a drive device moving the placing table to an observation position where the sample is observed by the observation device, and a casing sealing a first space extending in a vertical direction. The first space and the placing table are arranged so as to be displaced from each other in a horizontal direction, and the drive device is arranged in the first space. | 2010-06-24 |
20100157424 | SCREEN - A screen that reflects light from a projection apparatus to present a projected image includes: a screen substrate; and a plurality of spherical microlenses disposed on the front side of the screen substrate, wherein the microlenses are arranged along a predetermined first direction on the screen substrate to form lens rows, and adjacent microlenses in each of the lens rows have different radii of curvature. | 2010-06-24 |
20100157425 | STEREOSCOPIC IMAGE DISPLAY APPARATUS AND CONTROL METHOD THEREOF - Provided are a stereoscopic image display apparatus and a control method thereof which selectively generates one of a two-dimensional and a three-dimensional image in an image information playback device according to whether a user wears stereoscopic glasses. The stereoscopic image display apparatus includes stereoscopic glasses, and an image information playback device including an output unit which generates one of a two-dimensional and a three-dimensional image according to whether the user wears the stereoscopic glasses, and a first transceiver unit which performs bidirectional communication with the stereoscopic glasses. | 2010-06-24 |
20100157426 | POLARIZING FILM, METHOD FOR PRODUCING POLARIZING FILM, POLARIZING PLATE, METHOD FOR PRODUCING POLARIZING PLATE, AND ANTI-GLARE VEHICULAR FILM - The present invention provides a polarizing film which contains at least dichroic anisotropic metal nanoparticles and a thermoplastic resin, wherein the polarizing film has a thickness of 12.5 μm or less. | 2010-06-24 |
20100157427 | SYSTEM AND METHOD FOR SHADE SELECTION USING A FABRIC BRIGHTNESS FACTOR - Brightness factors associated with shade fabric may be utilized when shading a building. A brightness factor may incorporate an openness factor, a visible light reflectance, a diffusion factor, a color, or other characteristics of the shade fabric. The brightness factor may be utilized when selecting a particular shade fabric for a room, building or other location. Additionally, the brightness factor may be utilized by an automated shade control system. The shade fabric selection may affect the building envelope by facilitating the optimization of daylighting, reduction of artificial electric lighting needs, minimization of glare conditions, and reduction of thermal load. | 2010-06-24 |
20100157428 | GLASS LENS ARRAY MODULE WITH ALIGNMENT MEMBER AND MANUFACTURING METHOD THEREOF - A glass lens array module with alignment fixture and a manufacturing method thereof are revealed. A glass lens array is produced by multi-cavity glass molding and alignment members are arranged on a peripheral of non-optical area of the glass lens array. Optical axis of each of two adjacent glass lens arrays is aligned by corresponding alignment members and the glass lens arrays are assembled by glue. A spacer is disposed between the two adjacent glass lens arrays to form a preset interval if needed. Thus a glass lens array module is formed after curing of the glue. Thereby the alignment of the optical axis of the glass lens is achieved easily and optical precision is also attained. Moreover, the manufacturing processes are simplified and the cost is reduced. | 2010-06-24 |
20100157429 | Lens array, LED head, exposure device, image forming apparatus and reading apparatus - A lens array includes a plurality of lens groups each of which includes a plurality of lenses arranged in a direction perpendicular to optical axes of the lenses. The lens groups are disposed so that the lenses of the respective lens groups have aligned optical axes. A light shielding member is provided between the lens groups. The light shielding member has a plurality of apertures with substantially cylindrical shapes through which the optical axes of the respective lenses pass. The light shielding member is integrally formed so as to include a plurality of the apertures. | 2010-06-24 |
20100157430 | AUTOMOTIVE DISPLAY SYSTEM AND DISPLAY METHOD - An automotive display system includes a frontward information acquisition unit, a position detection unit and an image projection unit. The frontward information acquisition unit acquires frontward information. The frontward information includes information relating to a frontward path of a vehicle. The position detection unit detects a position of one eye of an image viewer riding in the vehicle. The image projection unit generates a first virtual image at a corresponding position in scenery of the frontward path based on the frontward information acquired by the frontward information acquisition unit and projects a light flux including an image including the generated first virtual image toward the one eye of the image viewer based on the detected position of the one eye. The first virtual image has a size corresponding to at least one of a vehicle width and a vehicle height. | 2010-06-24 |
20100157431 | DISPLAY DEVICE - The invention relates to a display device, particularly for an automotive vehicle, that comprises an unfolding member ( | 2010-06-24 |
20100157432 | HEAD-MOUNTED TYPE IMAGE DISPLAY DEVICE - The present invention provides a novel head-mounted type image display device capable of displaying a lot of information with good viewability by multi-screens without impairing mobility of the device. The device comprises a plurality of eyepiece optical units | 2010-06-24 |
20100157433 | HEAD MOUNTED DISPLAY - Disclosed herein is a head mounted display including: an eyeglasses frame-like frame to be mounted onto an observer's head; and two image display devices, each of the image display devices including an image generating device, and light guide means which is mounted to the image generating device, which as a whole is located on the side of the center of an observer's face relative to the image generating device, on which beams emitted from the image generating device are incident, through which the beams are guided, and from which the beams are emitted toward an observer's pupil. | 2010-06-24 |
20100157434 | COLLIMATE LENS ASSEMBLY - A collimate lens assembly is provided which includes the first collimate lens which has a total reflection surface and a plurality of refracting surfaces, and the second collimate lens which is connected to the hole, and the second collimate lens has a greater refraction ratio than the first collimate lens. | 2010-06-24 |
20100157435 | LITHOGRAPHY PROJECTION OBJECTIVE, AND A METHOD FOR CORRECTING IMAGE DEFECTS OF THE SAME - Projection objectives, as well as related components, systems and methods, are disclosed. In general, a projection objective is configured to image radiation from an object plane to an image plane. A projection objective can include a plurality of optical elements along the optical axis. The plurality of optical elements can include a group of optical elements and a last optical element which is closest to the image plane, and a positioning device configured to move the last optical element relative to the image plane. Typically, a projection objective is configured to be used in a microlithography projection exposure machine. | 2010-06-24 |
20100157436 | Method of Manufacturing Grin lens and Grin Lens - The manufacture of a GRIN lens using a sol-gel process includes forming a wet gel from an alcohol solution containing a silicon alkoxide, a dopant alkoxide, and an aluminum alkoxide, first, an alcohol solution containing the silicon alkoxide and the aluminum alkoxide as is prepared, and then the dopant alkoxide is mixed thereto. | 2010-06-24 |
20100157437 | NEGATIVE REFRACTIVE INDEX MATERIALS AND METHODS FOR MAKING SAME - Embodiments of the invention described herein include metamaterials that exhibit negative permittivity and negative permeability at optical frequencies, methods for preparing such materials, and devices prepared from same. | 2010-06-24 |
20100157438 | FLUIDIC LENS - A fluidic lens includes a cavity | 2010-06-24 |
20100157439 | ZOOM LENS SYSTEM - A zoom lens system includes, in order from the object side, a negative first lens group, a positive second lens group; and a positive third lens group. The first lens group includes, in order from the object side to the image side, a negative first lens and a positive second lens. The second lens group includes, in order from the object side to the image side, a positive third lens, a negative fourth lens, and a negative fifth lens. The zoom lens system satisfies certain conditions related to the configuration of the lens and lens groups of the zoom lens system in order to provide a compact zoom lens having excellent correction of aberrations. | 2010-06-24 |
20100157440 | LENS BARREL UNIT AND IMAGING APPARATUS - A lens barrel unit including a lens barrel which has a plurality of lens groups and is set to a photographing state by moving at least a part of the lens groups to an object side and to a collapsed state by moving the at least the part of the lens groups to an image plane side and storing the lens groups, the lens barrel unit includes: a first supporting frame which retains at least one lens group of the lens groups; a second supporting frame which retains the first supporting frame movably in an optical axis direction of the lens barrel; a first supporting frame moving section which moves the first supporting frame in the optical axis direction of the lens barrel; and a fixed cylinder in which a main shaft which is capable of moving the second supporting frame in the optical axis direction of the lens barrel is provided. | 2010-06-24 |
20100157441 | OPTICAL COMPONENTS INCLUDING LENS HAVING AT LEAST ONE ASPHERICAL REFRACTIVE SURFACE - An optical component including lens having at least one aspherical refractive surface capable of satisfying desired performance and characteristics is disclosed. | 2010-06-24 |
20100157442 | LENS UNIT AND IMAGE CAPTURING DEVICE - A lens unit including a first lens, an aperture stop, a second lens, a third lens, and a fourth lens arranged in order from an object side to an image side. The first lens is a meniscus lens having positive power. The second lens is a meniscus lens including a convex object side surface and having negative power. The third lens is a meniscus lens including a convex image side surface and having negative power. The fourth lens is aspherical, includes an image side surface and an object side surface, and has at least one inflection point on each of the image side surface and object side surface. The image side surface has a concave surface facing toward the image side. | 2010-06-24 |
20100157443 | Wide angle optical system and image pickup apparatus using the same - A wide angle optical system is formed by, in order from the object side, an aperture stop, a first lens with positive refracting power, a second lens with negative refracting power, and a third lens. Both surfaces of the third lens are an aspherical surface in which refracting power varies in accordance with distance from the optical axis in such a way that the both surfaces have a convex shape facing toward the object side in the vicinity of the optical axis and have a concave shape facing toward the object side in the vicinity of the outer circumference, and the following conditions (1) and (2) are satisfied: | 2010-06-24 |
20100157444 | FIXED-FOCUS LENS - A fixed-focus lens adapted to be disposed between a magnified side and a reduced side is provided. The fixed-focus lens includes a first lens group, a second lens group, and a third lens group. The first lens group disposed between the magnified side and the reduced side includes three lenses and has a negative refractive power. The second lens group disposed between the first lens group and the reduced side includes five lenses and has a positive refractive power. The third lens group disposed between the second lens group and the reduced side includes five lenses and has a positive refractive power. The fixed-focus lens satisfies |F | 2010-06-24 |
20100157445 | IMAGING LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - An imaging lens includes first to fourth lens units in order from the object side to the image side. The first, third, and fourth lens units have a positive refractive power. The second and fifth lens units have a negative refractive power. During focusing from an object at infinity to a close object, the first, third, and fifth lens units do not move, and the second and fourth lens units respectively move toward the image side and the object side. The fifth lens unit includes a fifth-a lens unit having a negative refractive power which moves in a direction having a component perpendicular to an optical axis to shift a image position, and a fifth-b lens unit having a positive refractive power. Focal lengths of the third lens unit, the entire system of the imaging lens, the fifth-a lens unit, and the fifth-b lens unit are adequately set. | 2010-06-24 |
20100157446 | OPTICAL UNIT - The present invention relates to an optical unit. The present invention further relates to the use of such an optical unit. Such an optical unit comprises, seen in a direction from the object side to the imaging surface, a first substrate, a first lens element, a flat, transparent intermediate layer, a second lens element and a second substrate, which intermediate layer has an optically correcting function near the imaging surface. | 2010-06-24 |
20100157447 | Monocular with attachment points - A monocular with attachment points has a tubular frame with a hard point attached to its exterior an optical axis defined by its center axis. A clip may have one end connected to the hard point. There may be two hard points attached to the frame's exterior, and the clip may be operable to detach from and reattach to either of the hard points. The hard points may be arranged in pairs on opposite sides of the frame's exterior. There may be a hand strap operable to detach from and reattach to any of the pairs of hard points. There may be a mounting surface rigidly connected to the frame's exterior. The mounting surface may be parallel to the optical axis and operable to receive a tripod mount and a picatinny rail mounting plate. | 2010-06-24 |
20100157448 | LENS HOLDER, CAMERA MODULE HAVING SAME, AND METHOD FOR MAKING SAME - A lens holder is made of a composite material, and the composite material is capable of blocking outside electromagnetic radiation. The composite material includes CNTs, carbon black and polymer. The CNTs and the carbon black are dispersed in the polymer. | 2010-06-24 |
20100157449 | Image Capturing Device - An image capturing device includes a focusing unit. The focusing unit includes an outer barrel that defines a barrel axis and that is mounted with an image capturing unit, an annular flange defining a through-hole, an inner barrel, a focus adjustment barrel, and an optical lens member. The inner barrel is coaxial with and radially spaced apart from the outer barrel. The focus adjustment barrel is rotatably disposed between the outer and inner barrels, and has an inner barrel surface formed with a helical guide slot. The optical lens member is disposed in the inner barrel, is movable along the barrel axis, is optically aligned with the through-hole, and is formed with a guiding projection extending into the guide slot such that rotation of the focus adjustment barrel relative to the inner barrel results in driving of the guiding projection to move the optical lens member along the barrel axis. | 2010-06-24 |
20100157450 | Camera module - Disclosed is a camera module with a hinge spring which can stably support a lens barrel which is driven in a vertical direction for automatic focusing and which is made of lightweight resin, the camera module including a cylindrical lens barrel with lenses disposed therein for collecting images of external objects, a housing encasing the lens barrel in a manner such that the lens barrel vertically moves in an optical axis direction of the lenses, an automatic focusing actuator installed in the housing to cause linear motion of the lens barrel in the optical axis direction, and a ring-shaped hinge spring extrusion-molded using resin having elasticity to support an upper portion of the lens barrel and guide the linear motion of the lens barrel. | 2010-06-24 |
20100157451 | VEHICLE DOOR MIRROR - There is provided a vehicle door mirror capable of restraining whistling sounds produced by an airflow passing through a gap between a mirror base and a mirror housing when the vehicle is running. A vehicle door mirror is formed by rotatably supporting a mirror housing on a mirror base. A concave part is formed in a downward surface of the mirror housing that is rotated relative to the mirror base in a state in which the downward surface faces to an upward surface of the mirror base. Protrusions are formed in the entire region of the concave part. The protrusions project to a position close to the upward surface of the mirror base beyond the position of the outside portion of the concave part of the downward surface. The cross section of a front edge of the concave part is formed so as to be rounded. | 2010-06-24 |
20100157452 | Solid Surface that Changes Colors on Command - The surface of the color-changing object is composed of one or more display reservoirs capable of containing a fluid or granular solid. At least a portion of each reservoir is transparent or translucent. Each reservoir is connected to one or more color-storage capsules containing fluid or granular solid. To change the color of the object, a fluid or granular solid is caused to flow from a capsule(s) into a reservoir(s). The fluid or granular solid will then be visible through the transparent or translucent portion(s) of the reservoir(s), thereby changing the color of the obiect. | 2010-06-24 |
20100157453 | DISPLAY DEVICE AND ELECTRICAL APPARATUS - A display device and an electrical apparatus are disclosed. The display device comprises a first substrate, an optical enhance layer, a display layer, a first electrode and a second electrode. The first substrate includes a plurality of pixel areas. The optical enhance layer is formed on the first substrate and includes a plurality of even structures and a plurality of uneven structures, wherein for each pixel area, one of the even structures corresponds to a portion of the pixel area, and one of the uneven structures corresponds to the rest portion of the pixel area. The first electrode is formed on the optical enhance layer. The display layer is formed on the first electrode. The second electrode is formed on the display layer. The display device is applicable to the electrical apparatus. | 2010-06-24 |
20100157454 | HEAD-DISK CONTACT DETECTION AND WORK FUNCTION DIFFERENCE DETERMINATION - In a method of head-disk contact detection in a hard disk drive, a Radio Frequency (RF) carrier signal is injected into a slider which is flying above a surface of a disk in a hard disk drive. A modulated version of the RF carrier signal is received from the slider. The modulated version of the RF carrier signal is demodulated to achieve a demodulated signal. A signal spectrum of a range of frequencies in the demodulated signal is monitored for activity indicative of a contact between a head of the slider and the surface of the disk. An occurrence of the contact is determined based upon an occurrence of the activity. | 2010-06-24 |
20100157455 | TEST DEVICE FOR MAGNETIC STORAGE DEVICE, MAGNETIC STORAGE DEVICE, AND METHOD OF MANUFACTURING MAGNETIC STORAGE DEVICE - According to one embodiment, a test device for a storage device includes: a module configured to acquire from the storage device a value corresponding to a signal level read from a magnetic disk through a magnetic head of the storage device, at a first timing at which an initial power of 0 or greater is supplied to a heater in the head and at a second timing at which a power to the heater is returned to the initial power after the power to the heater has been increased from the initial power, a periphery of a head element in the head has been expanded by the heater, and the element has been protruded toward a magnetic disk side; and a determiner configured to determine whether plastic deformation has occurred in the periphery of the element based on a difference between the values obtained at the first and second timings. | 2010-06-24 |
20100157456 | DISK DRIVE AND METHOD OF MEASURING FRICTIONAL CHARACTERISTICS - According to one embodiment, in a disk drive, a voice coil motor is controlled to cause a head to minutely vibrate in a radial direction on a track of a disk. When the voice coil motor vibrates the head in the radial direction of the disk, frictional force occurring between the disk and the head is calculated based on the driving force of the voice coil motor generated to vibrate and detected positional information, thereby measuring frictional characteristics. | 2010-06-24 |
20100157457 | Electrical Interconnect system with integrated transmission- line compensation components - Impedance compensation features are used along the transmission-line path between a transmitter/driver/source and the receiver/transducer to compensate for the impedance discontinuities or mismatches (for example, those caused by physical interconnection features) and/or to improve the frequency response of the signal transfer along the transmission line. The impedance compensation features are non-uniformities with impedance characteristics selected to compensate for the target impedance discontinuities. The compensation features can be non-uniformities (geometric structures designed to have specific impedance characteristics) in the electrically conductive traces that are integrated in the interconnect transmission line between the transmitter/driver/source and the receiver/transducer. The effective impedance level of the transmission line can be lowered or raised using the compensation features. | 2010-06-24 |
20100157458 | Systems and Methods for Dibit Correction - Various embodiments of the present invention provide systems and methods for providing a corrected dibit signal. As an example, various embodiments of the present invention provide dibit correction circuits. Such dibit correction circuits include a dibit sample buffer, a maximum sample detector circuit, a side sample detector circuit, and a dibit correction circuit. The dibit sample buffer includes a plurality of samples of an uncorrected dibit signal. The maximum sample detector circuit identifies a maximum sample of the plurality of samples of the uncorrected dibit signal, and the side sample detector circuit identifies a first side sample prior to the maximum sample on the uncorrected dibit signal and a second side sample following the maximum sample on the uncorrected dibit signal. The dibit correction circuit applies a correction factor calculated based at least in part on the maximum sample, the first side sample and the second side sample to at least a subset of the plurality of samples of the uncorrected dibit signals to yield a plurality of corrected dibit signals. | 2010-06-24 |
20100157459 | Systems and Methods for Controlling Data Equalization - Various embodiments of the present invention provide systems and methods for performing data equalization. For example, various embodiments of the present invention provide data equalization circuits that include an equalization circuit and a transition adjustment circuit. The equalization circuit receives a series of at least two original data bits and replaces at least one of the two original data bits with an equalization pattern including two or more equalization bits. The original data bits correspond to an original data clock, and the two or more equalization bits correspond to an equalization data clock. The transition adjustment circuit is operable to modify an occurrence of a transition from one logic state to another logic state within the equalization pattern on a sub-equalization data clock basis. | 2010-06-24 |
20100157460 | Systems and Methods for Generating Equalization Data - Various embodiments of the present invention provide systems and methods for using data equalization. For example, various embodiments of the present invention provide storage devices that include a semiconductor device having an equalization unit and a digital-to-analog converter, a read/write head assembly located in close proximity to the semiconductor device, and a control unit located less proximate to the read/write head assembly than the semiconductor device. | 2010-06-24 |
20100157461 | SIGNAL REPRODUCING CIRCUIT, MAGNETIC STORAGE DEVICE, AND SIGNAL REPRODUCING METHOD - According to one embodiment, a signal reproducing circuit reproduces a signal read from a recording medium on which the signal has been recorded by perpendicular magnetic recording. The signal reproducing circuit includes a waveform equalizer that equalizes the waveform of the signal based on a waveform equalization target, where D is a one-bit delay operator, previously stored in a storage module. The waveform equalization target is any one of a[1+3D+2D | 2010-06-24 |
20100157462 | MAGNETIC DISK DRIVE - According to one embodiment, a magnetic disk drive includes a magnetic disk to be subjected to perpendicular recording, a first pole core including a main pole configured to record signals on the magnetic disk, a first coil wound around the first pole core, a second pole core magnetically independent of the first pole core, tip ends of which are arranged on both sides of the main pole, a second coil wound around the second pole core, a read unit including an element configured to read data recorded on the magnetic disk, and a correction unit configured to correct a current phase difference between the first and second coils. | 2010-06-24 |
20100157463 | DISK DRIVE SPIN CONTROL - A disk drive configured to control spindle spin is provided. The disk drive includes a spindle motor for spinning a disk configured for storing data, a nonvolatile memory comprising instructions associated with a first process for spin-up of the spindle motor from a power-on mode and the nonvolatile memory comprising instructions associated with a second process for spin-up of the spindle motor from a power save mode, a controller for determining which of the first or the second process for spin-up of the spindle motor to implement in accordance with the instructions stored in the nonvolatile memory and a motor driver for spinning up the spindle motor according to the first process or according to the second process for spin-up of the spindle motor. | 2010-06-24 |
20100157464 | Systems and Methods for Adaptive MRA Compensation - Various embodiments of the present invention provide systems and methods for reducing head distortion. For example, various embodiments of the present invention provide storage devices that include a storage medium, a read/write head assembly, and an adaptive distortion modification circuit. The storage medium includes information that may be sensed by the read/write head assembly that is disposed in relation to the storage medium. The adaptive distortion modification circuit receives the information sensed by the read/write head assembly and adaptively estimates and implements a distortion compensation factor in the analog domain. In some instances of the aforementioned embodiments, the read/write head assembly includes a magneto resistive head. In such instances, the distortion compensation factor is designed to compensate for non-linear distortion introduced by the magneto resistive head. | 2010-06-24 |
20100157465 | CURRENT PERPENDICULAR TO PLANE (CPP) MAGNETIC READ HEAD - One general embodiment of the present invention is a magnetic read head including a magnetoresistive sensor where sense current flows in a stacking direction of the magnetoresistive sensor, i.e., perpendicular to the plane of the layers of the head. The magnetoresistive sensor comprises a free layer having a magnetization direction that is affected by external magnetic fields and includes a Heusler alloy layer and a Co-based amorphous metal layer, a fixed layer which is stacked with the free layer and has a fixed magnetization direction, and a non-magnetic intermediate layer between the free layer and the fixed layer. | 2010-06-24 |
20100157466 | MAGNETIC DISK DEVICE, CONTROL DEVICE AND CONTROL METHOD - According to one embodiment, a magnetic disk device, includes: a magnetic disk; a magnetic head; a writing module configured to write data to a predetermined first track in at least one of the areas by the magnetic head; a reading module configured to read, by using the magnetic head, data of a second track in the at least one of the areas; a first judging module configured to judge whether there is an error in the data read by the reading module; and a first recording module configured to associate and record in a storage module, when the first judging module judges that there is the error in the data of the second track, the at least one of the areas and the number of writing the data to the first track by the writing module. | 2010-06-24 |
20100157467 | Quiet Retraction System - A quiet retraction method for regulating constant velocity while parking an arm within a disk drive is described. The method comprises the steps of: driving a motor for the arm using a first drive current for a first period; floating the motor; sampling a back electromotive force (bemf) for a first sampled voltage, while floating the motor; driving the motor with a second drive current during a second period in response to sampling the bemf; determining whether the second drive current exceeds a current limit; estimating the bemf using the first sampled voltage when the second drive current exceeds the current limit; driving the motor with a third current during a third period in response to estimating the bemf; wherein driving the motor with the first, second, and third currents quietly parks the arm, while regulating the constant velocity. | 2010-06-24 |
20100157468 | REDUCING A SPREADING OF CONTAMINANTS WITHIN A HARD DISK DRIVE - Reducing a spreading of contaminants within a hard disk drive is described. An adhesive is applied to a first side of a desiccant. Then, the desiccant is utilized to cover a component of a hard disk drive, the component comprising a countersink area surrounding a fastener, wherein said fastener is countersunk within the component. The adhesive is then coupled with the component to encapsulate contaminants lying within the countersink area, thereby reducing a spreading of the contaminants within the hard disk drive. | 2010-06-24 |
20100157469 | DISK DRIVE USING AN AIRFLOW REDUCTION PLATE AND METHODS OF MANUFACTURING THEREOF - In order to effectively reduce disk flutter in a disk drive by using simple structures and efficient manufacturing techniques, a disk drive, in one embodiment, includes a base, a spindle motor coupled to the bottom of the base, a disk coupled to and rotated by a rotational shaft of the spindle motor, an airflow reduction plate coupled inside the base and positioned opposite to and away from a main plane of the disk, and a sidewall section inside the base which is positioned opposite to an outer edge of the disk and has a form along the outer edge of the disk. A first gap between at least one half of a part positioned opposite to the sidewall section in an outer edge of the airflow reduction plate and the sidewall section is smaller than a second gap between the sidewall section and the outer edge of the disk. | 2010-06-24 |
20100157470 | METHODS FOR CREATING SLANTED PERPENDICULAR MAGNETIC POLE VIA METAL LIFTOFF - A method in one embodiment includes forming a resist structure above an upper surface of a substrate, wherein a portion of the upper surface of the substrate is a shaping layer, wherein the resist structure has an undercut; depositing a layer of magnetic material above exposed regions of the substrate, wherein a portion of the layer of magnetic material tapers towards the substrate as it approaches the undercut; removing the resist structure; and forming a write pole above the layer of magnetic material. Additional methods are disclosed. | 2010-06-24 |
20100157471 | WRITE HEAD WITH DIFFERENT UPPER AND LOWER YOKE LENGTHS AND METHODS FOR MAKING THE SAME - According to one embodiment, a system comprises an upper yoke having a first length defined between a pole tip thereof and a back gap thereof. In addition, the system includes a lower yoke having a second length defined between a pole tip thereof and a back gap thereof, the second length being greater than the first length. Also, the system includes coil turns in the upper and lower yokes. Additional systems and methods are also presented. | 2010-06-24 |
20100157472 | MAGNETIC WRITE HEAD HAVING A SELF-ALIGNED SIDE WRAP-AROUND SHIELD WITH MULTI-ANGLE SLANTED BUMP - A method for forming a magnetic write head having a trailing shield with a tapered and stepped, self aligned trailing magnetic shield. The shield has a tapered portion that tapers away from the write pole as it extends away from the ABS. This tapered portion helps to channel flux to the pole tip portion of the shield, while preventing the loss of write field to the shield. The stepped portion of the shield further helps to prevent the loss of write field and also defines a secondary throat height of the shield that can be accurately located relative to the air bearing surface. | 2010-06-24 |
20100157473 | MAGNETIC DISK DRIVE - According to one embodiment, a magnetic disk drive includes a magnetic disk including a magnetic recording layer exhibiting perpendicular magnetic anisotropy, a write head including a core including a main pole and a plurality of return poles in a track direction and a direction other than the track direction with respect to the main pole, and a coil wound around corresponding to each return pole, and a read head including a magnetoresistive element and a pair of shields sandwiching the magnetoresistive element from front and rear in the track direction. | 2010-06-24 |
20100157474 | METHOD OF MULTI-ANGLED BUMP PROCESSING FOR MAGNETIC POLE FABRICATION AND SYSTEMS THEREOF - A system according to one embodiment includes a magnetic pole; a bump structure above the pole, the bump structure having a first surface oriented at a first angle between 1° and 89° from a plane of deposition of the pole, and a second surface oriented at a second angle between 1° and 89° from the plane of deposition of the pole, wherein the second angle is greater than the first angle; and a shield above the bump structure. A method according to one embodiment includes forming a bump layer above a magnetic pole; removing a portion of the bump layer for forming a step therein; and milling the bump layer for defining thereon a first surface oriented at a first angle between 1° and 89° from a plane of deposition of the bump layer, and a second surface oriented at a second angle between 1° and 89° from the plane of deposition of the bump layer, wherein the second angle is greater than the first angle. | 2010-06-24 |
20100157475 | STEPPED MAIN POLE FOR PERPENDICULAR WRITE HEADS IN HARD DISK DRIVES AND METHOD OF MAKING SAME - A stepped main pole for a perpendicular write head and methods of making the stepped main pole. The stepped main pole has a main pole tip and a base portion. The main pole tip has a surface that forms part of the ABS and a first thickness. The base portion extends from the main pole tip and has a thickness that varies from the first thickness to a second thickness to form a slanted surface with an apex angle adjacent the main pole tip. By placing the base portion away from the ABS and providing a thickness that increases in a direction away from the ABS, the stepped pole can provide the necessary magnetic flux for writing, while avoiding undesired leakage and fringing. To form embodiments of the stepped main pole of the invention, a fluorine-based reactive ion etch (RIE) may be used. By using an RIE to define the stepped main pole, the apex angle can be better controlled and tight edge control can be achieved. | 2010-06-24 |
20100157476 | PERPENDICULAR MAGNETIC RECORDING HEAD - A perpendicular magnetic recording head according to one embodiment includes a main pole; first magnetic films arranged on both sides of the main pole in a track width direction via nonmagnetic films; and a second magnetic film arranged on a trailing side of the main pole via a nonmagnetic film; wherein the depths of the first magnetic films from an air bearing surface are smaller than the depth of the second magnetic film from the air bearing surface at least at a periphery of the main pole. A perpendicular magnetic recording head according to another embodiment includes a main pole; first magnetic films arranged on both sides of the main pole in a track width direction via nonmagnetic films; and a second magnetic film arranged on a trailing side of the main pole via a nonmagnetic film; wherein the main pole and the first magnetic films have respective tapered portions whose thicknesses become larger toward the side opposite to an air bearing surface, and the tapered portions are in contact with the second magnetic film. Additional embodiments are also presented. | 2010-06-24 |
20100157477 | THIN-FILM MAGNETIC-RECORDING HEAD INCLUDING BUILT-IN ACOUSTIC-EMISSION SENSOR - A thin-film magnetic-recording head. The thin-film magnetic-recording head includes a read/write element portion, at least one built-in thin-film acoustic-emission sensor, and a heater. The read/write element portion, the thin-film acoustic-emission sensor and the heater are integrally formed in proximity to a face of an electrically conductive slider substrate over which the read/write element portion, the acoustic-emission sensor and the heater are formed, near an air-bearing surface formed on a surface of the slider substrate. The face of the slider substrate is configured to be disposed opposite to a magnetic-recording medium of a magnetic-recording disk. | 2010-06-24 |
20100157478 | SYSTEM AND METHOD FOR STORAGE OF DIGITAL ASSETS - A storage apparatus is provided. A storage apparatus can include a storage device having one or more unique device identifiers disposed in, on, or about the storage apparatus. One or more computer readable and writeable data storage areas can be disposed in, on, or about the storage apparatus. One or more computer readable data storage areas can also be disposed in, on, or about the storage apparatus. One or more computer readable instruction sets can be disposed in, on, or about the storage apparatus. The execution of all or a portion of the one or more computer readable instruction sets can be contingent upon the successful authentication of all or a portion of the one or more device identifiers. | 2010-06-24 |
20100157479 | SLIDER, STORAGE DEVICE HAVING THE SLIDER, AND METHOD OF MANUFACTURING SUSPENSION ASSEMBLY HAVING THE SLIDER, AND STORAGE DEVICE - According to one embodiment, a slider of a head includes is configured to fly from a surface of a disk. The slider includes a floating surface configured to oppose the surface of the disk, a positive pressure section in the floating, configured to produce floating force in conjunction with airflow formed by a rotation of the disk, and a first identifying section having a height identical to that of the positive pressure section in the floating surface and configured to identify a gravity center position of positive pressure force generated by the positive pressure section in the floating surface. | 2010-06-24 |
20100157480 | HEAD SLIDER AND STORAGE DEVICE - According to one embodiment, a head slider includes a center pad, a pair of center rails, and a center rail connection wall. The center pad is located in the center on the air outflow end side. The center rails extend toward the air inflow end side continuously from the center pad. The center rail connection wall connects the ends of the center rails on the air inflow end side to surround a space between the center pad and the center rails, and has a height between the top surface and the bottom surface of a floating surface. | 2010-06-24 |
20100157481 | MAGNETIC DISK DRIVE - According to one embodiment, a magnetic disk drive includes a magnetic disk including a recording surface, a head gimbal assembly including a slider in which a head is incorporated and a tab, and a ramp in a vicinity of the magnetic disk, the ramp including a first counter surface opposed to a peripheral part of the magnetic disk, a second counter surface opposed to an edge surface of the magnetic disk, and a ramp edge, in which the ramp includes a part of a side surface which is adjacent to the first counter surface and faces to a rotating direction of the magnetic disk, and is recessed toward a downstream side in the rotating direction of the magnetic disk, and the part of the side surface which is recessed and a tangent line to an outer circumference of the magnetic disk form an acute angle. | 2010-06-24 |
20100157482 | SUSPENSION SUBSTRATE, SUSPENSION, SUSPENSION WITH HEAD AND HARD DISK DRIVE - A main object of the present invention is to provide a suspension substrate which can decrease the whole thickness thereof and limit the generation of warpage. To attain the object, the present invention provides a suspension substrate comprising: an insulation layer, a pair of wirings consisting of an upper wiring formed on one surface of the insulation layer and a lower wiring formed on the other surface of the insulation layer, and a metal substrate formed on the surface of the insulation layer on the lower wiring side. | 2010-06-24 |
20100157483 | Magnetic Head Slider Inhibiting A Side Erase And Method Of Manufacturing Thereof - In one embodiment, a magnetic head slider includes a write head having a single magnetic pole, the single magnetic pole having a main magnetic pole piece that extends to a medium opposing surface facing a magnetic disk. The main magnetic pole piece generates a recording magnetic field from a medium opposing surface side end face thereof being divided into an injection region and a non-injection region. Impurities which deteriorate magnetic properties are present in a higher concentration in the injection region relative to a concentration of the impurities in the non-injection region due to injection of the impurities in the injection region. The non-injection region has a narrower width at a leading end of the medium opposing surface side end face than at a trailing end of the medium opposing surface side end face. In another embodiment, the magnetic head slider may be incorporated into a system including a magnetic recording medium, at least one magnetic head, and a control unit coupled to the magnetic head. | 2010-06-24 |
20100157484 | PERPENDICULAR RECORDING MAGNETIC HEAD WITH A VARYING INTERVAL BETWEEN THE MAIN POLE AND THE SHIELD, AND METHODS OF MANUFACTURING THEREOF - A perpendicular recording magnetic head is provided, according to one embodiment, in which even if a thickness of a main pole is reduced corresponding to a reduction in a recording track width, recording performance is not degraded. A magnetic-field auxiliary pole and a nonmagnetic layer are stacked on a main pole, and a nonmagnetic portion is provided on each side face on a flying surface side of the magnetic-field auxiliary pole and the nonmagnetic layer, in one approach. In all regions except for a region near a flying surface, an interval between the main pole and a shield is increased by the nonmagnetic portion and the nonmagnetic layer, so that magnetic field loss is prevented, and consequently magnetic field strength and a magnetic field gradient are increased. Other systems and methods are also disclosed for retaining magnetic recording performance while reducing a thickness of a main pole. | 2010-06-24 |
20100157485 | WAVELETS-BASED DETECTION OF PROXIMITY BETWEEN A SENSOR AND AN OBJECT - A circuit includes a proximity detection component that applies wavelet analysis to a sensed signal from a sensor and responsively provides an output indicative of whether proximity exists between the sensor and an object that causes the sensor to produce the sensed signal. | 2010-06-24 |
20100157486 | ARC FAULT CIRCUIT INTERRUPTER AND METHOD PROVIDING IMPROVED NUISANCE TRIP REJECTION - An arc fault circuit interrupter includes separable contacts, an operating mechanism and an arc fault detector structured to detect an arc fault condition operatively associated with the contacts. The arc fault detector includes a tuned current sensor structured to sense broadband noise of a current flowing through the contacts, a compression circuit including an input of the sensed broadband noise and an output. The compression circuit compresses the dynamic range of the sensed broadband noise. A minimum detector includes an input of the compression circuit output and an output of the minimum value of the minimum detector input. A processor includes a number of inputs and an output. One of the inputs is the output of the minimum value of the minimum detector. A trip mechanism cooperates with the output of the processor and the operating mechanism to trip open the contacts responsive to the detected arc fault condition. | 2010-06-24 |
20100157487 | SHORT CIRCUIT CURRENT RATCHETING IN SWITCH MODE DC/DC VOLTAGE REGULATORS - A regulator with a high side pass device and a low side pass device coupled in series to the high side pass device is disclosed. The apparatus further includes a control module coupled to the high side pass device and the low side pass device. The control module is coupled to the high side pass device and the low side pass device to control the high side pass device and the low side pass device. The control module is operable to lock out the high side pass device under certain conditions. | 2010-06-24 |
20100157488 | ARC DETECTION USING DETAILED AND APPROXIMATE COEFFICIENTS FROM DISCRETE WAVELET TRANSFORMS - An apparatus for facilitating interruption of current in an electrical circuit is provided and includes a current sensing device in the electrical circuit to service an electrical load, the current sensing device being productive of an output signal representative of a load current passing therethrough, a detection unit, in signal communication with the current sensing device such that the output signal is received by the detection unit, the detection unit being configured and disposed to output a secondary signal based on the output signal, and a microcontroller to receive and to decompose the secondary signal into detailed and approximate coefficients, and to generate a trip signal for use in interrupting an operation of the electrical circuit when a current of the sensed load is above a predetermined threshold and the detailed and approximate coefficients cooperatively indicate that threshold conditions for trip signal generation are satisfied. | 2010-06-24 |
20100157489 | Method and Apparatus for Moving Material - An apparatus and method for providing ground fault protection to a lifting device utilizing an electromagnet and powered by a generator. The apparatus and method rectifies an AC voltage emanating from the generator source and monitors unsafe operating conditions of the generator's circuit wherein operation of the lifting device is ceased when predetermined electrical operating parameters are exceeded. | 2010-06-24 |
20100157490 | LEAKAGE CURRENT PROTECTION DEVICE - A leakage current protection device with a single laminated magnetic core transformer that is formed by punch pressing an amorphous metal material, or a nanocrystalline soft metal material, in a high punch velocity press to form the ring laminations for the magnetic core. In a ground fault circuit interrupter, the single laminated magnetic core transformer serves as the input sensor for both the current imbalance detection circuitry and the low impedance ground fault protection circuitry. | 2010-06-24 |
20100157491 | ELECTROSTATIC DISCHARGE PROTECTIVE CIRCUIT HAVING RISE TIME DETECTOR AND DISCHARGE SUSTAINING CIRCUITRY - Methods and devices of the invention include an electrostatic discharge (ESD) protection circuit. This circuit includes rise time dependent activation circuitry capable of detecting a slew rate of an input signal and capable of determining whether the slew rate of the input signal is greater than a threshold value. For an ESD event said activation circuitry generates a trigger signal. Additionally, the activation circuitry is coupled with the ESD dissipation duration control circuitry which is further coupled with an ESD dissipation circuit. This arrangement enabling the duration control circuit to be activated by the trigger signal which responds by producing an activation signal that activates the ESD dissipation circuitry and that controls the length of time the dissipation circuit remains active. The ESD dissipation circuitry includes a shunt that redirects the ESD energy away from the protected internal circuit. The ESD dissipation duration circuitry further configured to maintain shunting of the energy for a period of time sufficient to discharge of the ESD energy without damaging the protected circuitry. | 2010-06-24 |
20100157492 | ELECTRONIC DEVICE AND ASSOCIATED METHOD - An electronic device is provided that includes an electronic component or passive components; an electrically conductive circuit coupled to the electronic component; and a protection device coupled to the circuit. The protection device is operable to route a voltage or current away from the electronic component if the voltage or the current applied to the circuit is above a determined threshold voltage or determined threshold current. | 2010-06-24 |
20100157493 | ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT - An integrated circuit includes an electrostatic discharge (ESD) detection circuit which detects an ESD event and generates an event signal. In response to that event signal, a control circuit controls the operation of a buffer circuit to function in an additional mode wherein the normal differential operation of the buffer circuit is disabled and the buffer circuit is instead configured to form a conduction path between supply rails to discharge the ESD event. Preferably, a plurality of buffer circuits are driven in parallel by the control circuit to function in the additional mode to form parallel discharge paths for the ESD event. Multiple ESD detection circuits may be provided, and any one of those detection circuits can trigger the control circuitry to place all of the buffer circuits in the additional mode. | 2010-06-24 |