Patents Issued in January 31, 2013
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Publication number: 20130027765Abstract: A display apparatus capable of implementing high luminance and high contrast ratio (C/R) may include a first substrate, a second substrate disposed on the first substrate so as to face the first substrate and having a plurality of pixel regions defined therein, and a plurality of color filters formed on the plurality of pixel regions of the second substrate, each color filter having one or more holes formed therein.Type: ApplicationFiled: December 2, 2011Publication date: January 31, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Jae-Kyung Kim, Soo-Min Baek, Min-Woo Kim, Il-Nam Kim, Hae-Yun Choi
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Publication number: 20130027766Abstract: An infrared ray-reflecting film that includes a laminate obtained by alternately laminating two or more layers having different refractive indices on a light-transmitting substrate, in which: a difference in refractive index (e.g., for light having a wavelength of 589 nm) between any adjacent layers falls within a range of 0.1 to 0.4; and a detected peak is observed at a depth where an interfacial region between the respective layers exists in elemental analysis in a depth direction of the film by a glow discharge optical emission spectrometry. Further, a detected peak is observed at a depth where detected signals derived from components that construct adjacent layers contact each other in elemental analysis in a depth direction of the film by a glow discharge optical emission spectrometry.Type: ApplicationFiled: July 28, 2011Publication date: January 31, 2013Inventor: Kiyoshi ITOH
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Publication number: 20130027767Abstract: The present invention provides an optical film with an excellent counterfeit prevention effect. The optical film of the present invention includes: a pattern optically anisotropic layer in which at least a first phase difference region, a second phase difference region, and a third phase difference region are arranged to be in proximity with one another within the same plane, wherein the in-plane slow axis direction is different for the first phase difference region and the third phase difference region, and in the second phase difference region, the slow axis direction is parallel to, and an in-plane retardation is different from, either the first phase difference region or the third phase difference region.Type: ApplicationFiled: July 23, 2012Publication date: January 31, 2013Applicant: FUJIFILM CORPORATIONInventor: Shinichi MORISHIMA
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Publication number: 20130027768Abstract: A device for attaching a first optical microscope component part to a second part includes an annular receptacle attached to the second part and an annual insertion part. The annular insertion part includes outside-conical retaining projections. The receptacle includes a base ring having a retaining collar with an inside cone tapering away from the base ring and in which a lateral opening is formed, through which the insertion part can be inserted in the receptacle such that it is located on a pre-locking position in which the annular openings overlap. The insertion part and the receptacle can be moved by reciprocal rotation from the pre-locking position into a locking position in which the outside-conical retaining projections of the insertion part are seated against the inside cone of the retaining collar and press the insertion part on the base ring, whereby the insertion part is locked to the receptacle.Type: ApplicationFiled: February 4, 2011Publication date: January 31, 2013Applicant: CARL ZEISS MICROSCOPY GMBHInventors: Ingo Fahlbusch, Werner Kleinschmidt, Heinrich Bunger, Peter Schnüll, Wolfgang Hartje, Georg Herbst
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Publication number: 20130027769Abstract: The present invention relates to a method for illuminating a sample (10) in a microscope (26), the sample (10) being analysed in transmitted light bright field illumination or in incident light fluorescence illumination, wherein a white light LED (4) is used as the light source for the transmitted light bright field illumination, and a shutter (6) is activated at a location in the illumination beam path of the transmitted light bright field illumination during incident light fluorescence illumination and this shutter (6) is deactivated during transmitted light bright field illumination.Type: ApplicationFiled: July 26, 2012Publication date: January 31, 2013Applicant: LEICA MICROSYSTEMS CMS GMBHInventor: Albrecht Weiss
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Publication number: 20130027770Abstract: The invention relates to a microscope illumination method, to a microscope illumination set, comprising a white light LED (4) and a correction filter (6), and to a corresponding microscope system (1) for analysing a sample (10) alternately or simultaneously in transmitted light bright field illumination and in incident light fluorescence illumination, wherein a white light LED (4) is used for the transmitted light bright field illumination, and a correction filter (6) is activated at a location in the illumination beam path of the transmitted light bright field illumination both during transmitted light bright field illumination and during incident light fluorescence illumination, wherein the correction filter (6) has a spectral transmission profile which has a minimum in the wavelength range of at least one maximum of the spectrum of the white light LED (4).Type: ApplicationFiled: July 27, 2012Publication date: January 31, 2013Applicant: LEICA MICROSYSTEMS CMS GMBHInventors: Michael Ganser, Albrecht Weiss
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Publication number: 20130027771Abstract: A screen reflects projection light for display. The screen has a screen base designed to be wound and including a first surface (front surface) and a second surface (rear surface) on the side opposite to the front surface. The front surface contains a display area that has a reflection film on which the projection light is reflected. The screen further has a flexible protection member which is disposed on the portion of the rear surface corresponding to the outside of the display area in the width direction of the display area, and extends through substantially the full length of the display area in the winding direction of the display area. The front surface is positioned outside when the screen base is wound.Type: ApplicationFiled: July 9, 2012Publication date: January 31, 2013Applicant: SEIKO EPSON CORPORATIONInventor: Kazuo Aoki
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Publication number: 20130027772Abstract: This document describes various techniques for implementing a variable-depth stereoscopic display. A first distance at which a viewer is disposed relative to a stereoscopic display is received. Once received, a second distance by which to change a front focal distance of a lens structure of the stereoscopic display is determined based on the first distance. The front focal distance of the lens structure is then caused to change by the second distance effective to display a stereoscopic image at the first distance.Type: ApplicationFiled: July 27, 2011Publication date: January 31, 2013Applicant: Microsoft CorporationInventor: Timothy Andrew Large
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Publication number: 20130027773Abstract: A polarizing-axis control plate includes first and second polarization areas and a polarizing-axis control plate area shading part arranged at a boundary between these polarization areas and arranged in a position corresponding to an image generating area shading part to shade all or part of right-eye and left-eye image lights. When these image lights enter the first and second polarization areas respectively, the polarizing-axis control plate emits these image lights in the form of linearly-polarized lights whose polarizing axes intersect with each other at right angles or circularly-polarized lights whose polarizing axes are rotated in opposite directions. The image generating area shading part is arranged at a boundary between first and second modulated-light generating areas to shade incident light. The polarizing-axis control plate area shading part is formed to contain a plurality of straight lines each having a width narrower than a linewidth of the image generating area shading part.Type: ApplicationFiled: April 4, 2011Publication date: January 31, 2013Applicant: JVC KENWOOD CORPORATIONInventor: Masaru Segawa
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Publication number: 20130027774Abstract: A phase plate including a plurality of surfaces arranged around a symmetry axis to reflect an incident electromagnetic field having a null orbital angular momentum, thereby generating a reflected electromagnetic field having an orbital angular momentum. The surfaces are arranged such that, with respect to a cylindrical reference system in which the azimuthal coordinate is measured in a plane perpendicular to the symmetry axis, the respective heights define a non-monotonic azimuthal profile, so that the reflected electromagnetic field forms an optical vortex whose topological charge is not associated one-to-one to the orbital angular momentum.Type: ApplicationFiled: July 27, 2012Publication date: January 31, 2013Applicant: Selex Sistemi Integrati S.p.A.Inventors: Fabio A. Bovino, Matteo Braccini
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Publication number: 20130027775Abstract: Example embodiments disclosed herein relate to image stabilization. Image stabilization includes techniques used to reduce jitter associated with the motion of a camera. Image stabilization can compensate for pan and tilt (angular movement, equivalent to yaw and pitch) of a camera or other imaging device. Image stabilization can be used in still and video cameras, including those found in mobile devices such as cell phones and personal digital assistants (PDAs).Type: ApplicationFiled: July 29, 2011Publication date: January 31, 2013Inventors: Oscar Zuniga, Shane D. Voss, Jason Yost
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Publication number: 20130027776Abstract: A sub-wavelength grating device having controlled phase response includes a grating layer having line widths, line thicknesses, line periods, and line spacings selected to produce a first level of control in phase changes of different portions of a beam of light reflected from the grating layer. The device also includes a substrate affixed to the grating layer that produces a second level of control in phase changes of different portions of a beam of light reflected from the grating layer, the second level of control being accomplished abrupt stepping of the substrate in a horizontal dimension, ramping the substrate in a horizontal dimension, or changing the index of refraction in a horizontal dimension.Type: ApplicationFiled: April 13, 2010Publication date: January 31, 2013Inventors: Wei Wu, R. Stanley Williams, Jingjing Li, Theodore I. Kamins, Marco Fiorentino
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Publication number: 20130027777Abstract: A method for space-variant manipulating of thermal emission from a surface of a material that supports surface waves includes providing a grating with a spatially varying grating parameter on the surface of the material.Type: ApplicationFiled: September 12, 2012Publication date: January 31, 2013Inventors: Erez Hasman, Nir Dahan, Avi Niv, Gabriel Biener, Vladimir Kleiner
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Publication number: 20130027778Abstract: An absorptive neutral density optical filter comprising one or more graphene layers disposed on an optical substrate. The optical substrate can be a solid material (e.g. glasses or crystals such as silicon carbide, sapphire, germanium, or potassium bromide), or a polymer, or even a wire mesh. The graphene can be grown on the optical substrate or can be growth on a growth substrate and then transferred to the optical substrate.Type: ApplicationFiled: July 26, 2012Publication date: January 31, 2013Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Marc Currie, David Kurt Gaskill
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Publication number: 20130027779Abstract: The optical element of the present invention has an anti-reflection film formed on a substrate. Here, the anti-reflection film comprises a first layer formed on the substrate; a second layer formed on the first layer and consisting of a material different from that of the first layer; and a third layer formed on the second layer and consisting of a concave-convex structure. Also, the third layer has three regions of which a refractive index for each thickness changes at a constant rate by continuously changing the space filling factor of the concave-convex structure.Type: ApplicationFiled: July 19, 2012Publication date: January 31, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Takeharu OKUNO, Rie ISHIMATSU
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Publication number: 20130027780Abstract: An antireflective structure having a higher antireflective effect compared with those of conventional antireflective structures is produced by a simple process. The antireflective structure (10) includes a plurality of concavities (2a) each having a plurality of convexities (1a) thereon, and a pitch between the plurality of convexities (1a) and a pitch between the plurality of concavities (2a) are smaller than a wavelength of light incident to the antireflective structure (10).Type: ApplicationFiled: February 2, 2011Publication date: January 31, 2013Applicant: Sharp Kabushiki KaishaInventors: Noboru Iwata, Teruhisa Kotani, Tazuko Kitazawa, Yoshiteru Murakami
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Publication number: 20130027781Abstract: An instrument cluster assembly mounts within a vehicle dashboard. An opening is defined within the dashboard provides for mounting of an instrument cluster assembly. The example instrument cluster assembly includes a top surface that corresponds with the top surface of the dashboard to provide a completed top visible surface when in a completed assembled condition. The instrument cluster assembly includes a first gauge and a second gauge separated by an open space therebetween. A bi-vision display is mounted in the open space between the first and second gauges. The bi-vision display generates a virtual image that is viewed by the operator between the first and second gauges.Type: ApplicationFiled: July 27, 2011Publication date: January 31, 2013Inventors: Werner Eckardt, Arthur S. Brown, Jeremy Rooney, Robert Drury
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Publication number: 20130027782Abstract: The present invention relates to a man-made composite material and a man-made composite material antenna. The man-made composite material is divided into a plurality of regions. An electromagnetic wave is incident on a first surface exits from a second surface of the man-made composite material opposite to the first surface. A line connecting a radiation source to a point on the bottom surface of the ith region and a line perpendicular to the man-made composite material form an angle ? therebetween, which uniquely corresponds to a curved surface in the ith region. A set formed by points on the bottom surface of the ith region that have the same angle ? forms a boundary of the curved surface to which the angle ? uniquely corresponds. The refraction, diffraction and reflection of the present invention at the abrupt transition points can be reduced.Type: ApplicationFiled: November 16, 2011Publication date: January 31, 2013Inventors: Ruopeng Liu, Chunlin Ji, Yutao Yue
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Publication number: 20130027783Abstract: The window substantially has the shape of a dome. The optical observation device includes means of optical conjugation of the observed field with a plane of observation and means for relatively orienting the observation plane with respect to said field. Optical correction means are provided so as to correct aberration defects. According to the device, system, and method, said optical correction means are arranged between said windows and said relative orientation means in such a way that said optical correction means form an optical system with said window, which is at least substantially afocal.Type: ApplicationFiled: April 27, 2011Publication date: January 31, 2013Applicant: MBDA FRANCEInventors: Bernard Greiner, Sylvain Berthier
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Publication number: 20130027784Abstract: A decentered optical system includes a decentered prism which is located in opposition to the image display device, in which there are at least three optical surfaces mutually decentered with at least two thereof being in rotationally asymmetric shape, and which is filled inside with a medium having a refractive index of greater than 1, and a decentered lens which is interposed between the viewer's eyeball and the decentered prism, and is made up of mutually decentered two surfaces and filled inside with a medium having a refractive index of greater than 1, and in which on the image display device side with respect to an on-axis chief ray incident from the center of the image display device on the center of an exit pupil, there is a lens portion having positive power, and on an opposite side thereof, there is a lens portion having negative power.Type: ApplicationFiled: July 26, 2012Publication date: January 31, 2013Inventor: Koichi TAKAHASHI
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Publication number: 20130027785Abstract: A zoom lens and a photographing device including the zoom lens, the zoom lens including a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power, which are sequentially arranged in the direction from an object side to an image side. During zooming from a wide angle position to a telephoto position, an interval between the first lens group and the second lens group decreases, and an interval between the second lens group and the third lens group increases. The first lens group comprises a first lens, a second lens being a negative lens formed of plastic, and a third lens being a positive lens formed of plastic. Therefore, the zoom lens is compact and low-priced and has a high magnification.Type: ApplicationFiled: March 14, 2012Publication date: January 31, 2013Applicant: Samsung Electronics Co., Ltd.Inventors: Jin-woo Kim, Young-ran Kim, Dong-woo Kim
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Publication number: 20130027786Abstract: A zoom lens and a photographing device including the zoom lens. The zoom lens includes: a first lens group having a negative refractive power; a second lens group having a positive refractive power; and a third lens group having a positive refractive power, which are sequentially arranged in a direction from an object side to an image side, wherein the first lens group comprises a first lens that is biconcave and is closest to the object side. Accordingly, a compact and low-priced zoom lens having a high magnification may be manufactured.Type: ApplicationFiled: March 15, 2012Publication date: January 31, 2013Applicant: Samsung Electronics Co., Ltd.Inventors: Dong-woo Kim, Jung-hyun Lee
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Publication number: 20130027787Abstract: A lens module includes a barrel, a first lens, a second lens, a third lens, and two spacers. The first lens, the second lens, and the third lens are received in the barrel from an object side to an image side of the lens module. Each lens includes an optical portion and a non-optical portion around the optical portion. The two spacers are respectively positioned on the non-optical portions of two adjacent lenses. The non-optical portion of the second lens includes a first contact portion and two second contact portions. The first contact portion contacts an inner sidewall of the barrel. The second contact portions respectively contact the first lens and the third lens and are arranged in an acute angle with respect to an optical axis of the lens module. The non-optical portion of the second lens excluding the first contact portion and the second contact portions is nebulized.Type: ApplicationFiled: November 3, 2011Publication date: January 31, 2013Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: SHIH-CHIEH YEN
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Publication number: 20130027788Abstract: A lens module includes a barrel, a first lens, a second lens, and a spacer. The first lens and the second lens are received in the barrel from an object side to an image side of the lens module. Each lens includes an optical portion and a non-optical portion around the optical portion. The spacer is positioned between the non-optical portion of the first lens and the non-optical portion of the second lens. The second lens includes an image-side surface. The non-optical portion on the image-side surface includes a contact portion. The contact portion defines a triangular notch.Type: ApplicationFiled: November 7, 2011Publication date: January 31, 2013Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: SHIH-CHIEH YEN
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Publication number: 20130027789Abstract: A lens barrel is provided that includes an optical system and a plurality of interface units. The optical system includes an optical axis and a focal distance. The focal distance is configured to be adjusted by the optical system. The plurality of interface units includes a first interface unit and a second interface unit. Each of the first interface unit and the second interface unit are configured to accept from a user an operation to adjust the focal distance. Each of the first interface unit and the second interface unit are configured to be operated around the optical axis.Type: ApplicationFiled: September 16, 2011Publication date: January 31, 2013Applicant: Panasonic CorporationInventors: Takeo Santo, Akira Koga
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Publication number: 20130027790Abstract: Position sensor assemblies having compact structures and capable of precisely sensing a position change, and optical devices including the same are disclosed. A position sensor assembly is provided that includes: a sensing unit that outputs a signal varying as a magnetic force varies; and a magnet spaced apart from the sensing unit and i movably disposed with respect to the sensing unit, and comprising protrusion units of opposite polarities that protrude from each end portion of the magnet in one surface of the magnet toward the sensing unit.Type: ApplicationFiled: February 10, 2012Publication date: January 31, 2013Applicant: Samsung Electronics Co., Ltd.Inventors: Chi-young Park, Kwang-seok Byon, Jung-soo Kim, Jin-young Bang, Young-jae Hwang
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Publication number: 20130027791Abstract: The motor drive apparatus includes a driven member, a stepping motor to drive the driven member, a driver to produce a drive signal for driving the stepping motor and whose signal value periodically changes, a memory to store data for setting a reference signal value as the signal value and a target movement amount of the driven member for each one-step drive of the stepping motor to be driven according to the drive signal having the reference signal value, and a detector to detect an actual movement amount of the driven member for each one-step drive of the stepping motor actually driven according to the drive signal having the reference signal value. The driver changes the signal value of the drive signal from the reference signal value to another signal value so as to reduce difference between the target movement amount and the actual movement amount.Type: ApplicationFiled: July 24, 2012Publication date: January 31, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Kota Asano
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Publication number: 20130027792Abstract: A lens unit has an optical system having at least one lens, a lens holder supporting the optical system and a lens frame having a guide component. The guide component guides a movement of the lens holder in a first direction. The lens holder has a first portion and a second portion. The first portion is disposed slidably over the guide component. The second portion is disposed slidably over the guide component and disposed spaced apart from the first portion in the first direction. The guide component is sandwiched between the first portion and the second portion by an elastic force of the first portion and/or the second portion.Type: ApplicationFiled: October 19, 2011Publication date: January 31, 2013Applicant: Panasonic CorporationInventors: Makoto Miyamoto, Hiroshi Kurumatani, Tadashi Niki, Akio Konishi
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Publication number: 20130027793Abstract: A multiple optical beam folding apparatus for directing optical energy includes two or more radiation collectors configured to direct radiant energy through two or more independent optical paths to a shared focal plan array (FPA). The radiation collectors may include one or more gas cells or vacuum cells. One or more of the two or more optical paths may include a Galilean telescope. First and second reflecting surfaces are positioned in each of the two or more independent optical paths. The first reflecting surfaces are distinct reflecting surfaces from the second reflecting surfaces and the first and second reflecting surfaces are configured to direct the radiant energy of their respective independent optical paths to the FPA. The two or more second reflecting surfaces may be distinct surfaces of a pyramidal mirror.Type: ApplicationFiled: October 8, 2012Publication date: January 31, 2013Applicant: UTAH STATE UNIVERSITY RESEARCH FOUNDATIONInventor: UTAH STATE UNIVERSITY RESEARCH FOUND
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Publication number: 20130027794Abstract: A reflector (e.g., mirror) for use in a solar collector or the like is provided. In certain example embodiments of this invention, a reflector is made by (a) forming reflective coating on a thin substantially flat glass substrate (the thin glass substrate may or may not be pre-bent prior to the coating being applied thereto), (b) optionally, if the glass substrate in (a) was not prebent, then cold-bending the glass substrate with the reflective coating thereon; and (c) applying a plate or frame member to the thin bent glass substrate with the coating thereon from (a) and/or (b), the plate or frame member (which may be another thicker pre-bent glass sheet, for example) for maintaining the thin glass substrate and coating thereon in a desired bent orientation in a final product which may be used as parabolic trough or dish type reflector in a concentrating solar power apparatus or the like.Type: ApplicationFiled: October 4, 2012Publication date: January 31, 2013Applicant: GUARDIAN INDUSTRIES CORP.Inventor: Gaurdian Industries Corp.
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Publication number: 20130027795Abstract: A method is disclosed of fabricating a mirror for use in limited rotation motor systems, said method comprising the steps of providing a mirror structure including at least one wall section, and exposing the at least one wall section to a fluid etching agent to thereby provide chemical milling of the mirror structure.Type: ApplicationFiled: July 27, 2012Publication date: January 31, 2013Applicant: GSI GROUP CORPORATIONInventor: David C. Brown
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Publication number: 20130027796Abstract: An apparatus for transferring force to a frame of a solar mirror array. The frame has at least one structural element. The apparatus includes a torque plate. The apparatus includes at least one node attached to and in contact with the plate which connects with the structural clement. An apparatus for attaching a primary solar mirror frame array with a secondary mirror frame array. A solar trough frame for holding solar mirrors.Type: ApplicationFiled: August 30, 2012Publication date: January 31, 2013Inventors: Craig Roy Werner, John Funai, Nicholas Palladino
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Publication number: 20130027797Abstract: When a mirror charge lever is driven to a mirror-up position, the mirror charge lever is engaged with a first cam portion and driven to the mirror-up position in a region in which a force of a mirror-up spring for urging the mirror charge lever to the mirror-up position is larger than a force of a mirror-down spring for urging the mirror charge lever to the mirror-down position. In a region in which the force of the mirror-down spring for urging the mirror charge lever to the mirror-down position is equal to or larger than the force of the mirror-up spring for urging the mirror charge lever to the mirror-up position, the mirror charge lever is engaged with the second cam portion and driven to the mirror-up position.Type: ApplicationFiled: July 26, 2012Publication date: January 31, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Kazuaki Yamana
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Publication number: 20130027798Abstract: Coatings configured to change between a relatively higher reflectivity state and a relatively lower reflectivity state depending at least partially upon a hydration state of at least a portion of the coating are generally disclosed. Some example coatings may include a selectively reflective layer comprising superabsorbent particles. The superabsorbent particles may have a relatively higher reflectively when substantially dry and a relatively lower reflectivity when substantially hydrated. When substantially dry, the selectively reflective layer may reflect a first fraction of incident light. When substantially hydrated, the selectively reflective layer may reflect a second fraction of the incident light. The first fraction of the incident light may be greater than the second fraction of the incident light.Type: ApplicationFiled: October 8, 2012Publication date: January 31, 2013Applicant: Empire Technology Development, LLCInventor: Empire Technology Development, LLC
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Publication number: 20130027799Abstract: A touch panel including an optical element and a chromaticity improving layer is provided. A light transmittance of the optical element to the short wavelengths visible light is lower than a light transmittance to the long wavelengths visible light. A light transmittance of the chromaticity improving layer to the short wavelengths visible light is higher than a light transmittance to the long wavelengths visible light. A display device using the touch panel is also provided.Type: ApplicationFiled: December 26, 2011Publication date: January 31, 2013Applicant: SHIH HUA TECHNOLOGY LTD.Inventors: YU-JU HSU, PO-SHENG SHIH
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Publication number: 20130027800Abstract: Tuning a skew between a read head and a write head, may include setting a center value of a track according to a track density of a storage medium; writing data having a certain pattern to at least one target track and at least two tracks adjacent to the target track, while following the center value of the track; reading the data having a certain pattern from the target track by using a plurality of off track values in an off track range based on the center value of the track; and detecting an off track value having a minimum error occurrence number among error occurrence numbers with respect to the read data having a certain pattern corresponding to each of the plurality of off tracks, as an optimum off track value of the target track.Type: ApplicationFiled: June 29, 2012Publication date: January 31, 2013Applicant: Seagate Technology LLCInventors: Jun Bum Park, Moon Choi Park
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Publication number: 20130027801Abstract: An initial phase offset between a center track and a side track is determined. An initial side track pulse shape is determined using the initial phase offset and side track interference. The initial side track pulse shape minimizes a contribution of the side track interference to a center track bit. The contribution of the side track interference is removed from the center track bit using the initial side track pulse shape and the side track interference.Type: ApplicationFiled: April 16, 2012Publication date: January 31, 2013Applicant: LINK_A_MEDIA DEVICES CORPORATIONInventors: Naveen Kumar, Jason Bellorado, Marcus Marrow, Kai Keung Chan
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Publication number: 20130027802Abstract: Methods and apparatuses for data sector cluster-based data recording are disclosed. In one embodiment, an apparatus may comprise a processor configured to receive a write request containing host data for writing to a target location of a data storage medium. A target location may comprise one or more clusters, where a cluster may be multiple sequentially-numbered data storage addresses of the data storage medium. The processor may write at least one cluster of the target location with host data and dummy data pursuant to the write request, dummy data being arbitrary data written to fill data storage addresses in the target location not written by host data.Type: ApplicationFiled: April 27, 2012Publication date: January 31, 2013Applicant: Seagate Technology LLCInventor: Ki Woong Kim
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Publication number: 20130027803Abstract: In one embodiment, a magnetic head includes a main magnetic pole, a first MAMR element positioned above and wider than the main magnetic pole that is positioned to extend beyond sides of the main magnetic pole in a track width direction, a spin-rectifying-current-pinned-magnetic layer, a magnetic interlayer, a FGL, a magnetic-zone-control layer, and a second MAMR element that is wider than the main magnetic pole and is positioned to extend beyond sides of the main magnetic pole in the track width direction positioned above the first MAMR element, and a trailing shield positioned above the second MAMR element, wherein the main magnetic pole is adapted for producing a high-frequency magnetic field comprising oscillating microwaves, wherein during a writing operation, current is applied to the first and second MAMR elements to produce magnetic fields which oppose bit-switching in the magnetic medium to avoid adjacent track bit reversal.Type: ApplicationFiled: July 27, 2011Publication date: January 31, 2013Applicant: Hitachi Global Storage Technologies Netherlands B.V.Inventors: Hiroyasu Tanabe, Masafumi Mochizuki
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Publication number: 20130027804Abstract: One embodiment of the invention includes a system for writing data onto a magnetic disk. An output driver provides a first write current through a first output transistor in a first state and provides a second write current through a second output transistor in a second state. The first and second write currents can be provided to a disk write head to store opposing binary values, respectively. A bias current generator switches a first bias current between an intermediate voltage node in the second state and a first control node in the first state, and switches a second bias current between the intermediate voltage node in the first state and a second control node in the second state. The first and second bias currents can be provided to set a bias voltage at the first and second control nodes to bias the first and second output transistors, respectively.Type: ApplicationFiled: October 4, 2012Publication date: January 31, 2013Applicant: TEXAS INSTRUMENTS INCORPORATEDInventor: Texas Instruments Incorporated
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Publication number: 20130027805Abstract: According to one embodiment, an information processing apparatus includes: a main unit; a first disk device provided in the main unit; a second disk device provided in the main unit; an acceleration sensor provided in the main unit and detecting an acceleration; a setting module for setting whether to execute a disk protection processing for at least one of the first disk device and the second disk device or not; and a controller for executing the processing on the disk device for which the execution of the processing is set by the setting module, when an acceleration is detected by the acceleration sensor.Type: ApplicationFiled: June 4, 2012Publication date: January 31, 2013Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Toshikazu Mukaiyama
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Publication number: 20130027806Abstract: Methods and apparatuses for generating and using servo correction data are disclosed. In one embodiment, an apparatus may comprise a data storage medium having a first track and a second track, servo correction data for the first track and the second track stored on the first track, and no servo correction data stored on the second track, and a controller configured to correct servo errors based on the servo correction data. In another embodiment a method may comprise receiving servo information related to a first data storage medium having a first track and a second track, generating one or more position error signals (PES) based on the servo information, generating servo correction data based on the one or more PES, and storing the servo correction data for the first track and the second track on the first track.Type: ApplicationFiled: April 27, 2012Publication date: January 31, 2013Applicant: Seagate Technology LLCInventor: Hyung Joon Cho
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Publication number: 20130027807Abstract: A disk drive device comprises: a hub; a base rotatably supporting the hub via a bearing; a core fixed to the base; a cylindrical magnet fixed to the hub; and a suction plate fixed to the base, the suction plate being arranged to face the cylindrical magnet in a direction along the rotational axis and made of magnetic material. The suction plate is arranged so that the minimum distance between the suction plate and the rotational axis is greater than the minimum distance between the cylindrical magnet and the rotational axis. A projection area created by projecting the cylindrical magnet onto a plane that is perpendicular to the rotational axis partially overlaps a projection area created by projecting the suction plate onto the plane.Type: ApplicationFiled: June 14, 2012Publication date: January 31, 2013Applicant: ALPHANA TECHNOLOGY CO., LTD.Inventor: Daiki HAYASHI
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Publication number: 20130027808Abstract: An aspect of the present invention relates to a magnetic tape comprising a magnetic layer containing a hexagonal ferrite magnetic powder and a binder on a nonmagnetic support, wherein a standard deviation ?Hk of a magnetic anisotropy constant Hk of the magnetic layer is equal to or less than 30%, and a magnetic interaction ?M as calculated by equation (1) below falls within a range of ?0.20??M??0.03: ?M=(Id(H)+2Ir(H)?Ir(?))/Ir(?) . . . (1) wherein Id(H) denotes a residual magnetization measured with DC demagnetization, Ir(H) denotes a residual magnetization measured with AC demagnetization, and Ir(?) denotes a residual magnetization measured at an applied magnetic field of 796 kA/m.Type: ApplicationFiled: July 24, 2012Publication date: January 31, 2013Applicant: FUJIFILM CORPORATIONInventor: Norihito KASADA
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Publication number: 20130027809Abstract: A high speed magnetic data writer containing a stitched pole tip that works in conjunction with the main pole is disclosed, together with a process for their manufacture. The material composition of each of these two sub-structures is slightly different; one sub-structure is optimized for high magnetic damping while the other sub-structure is optimized for high saturation magnetization.Type: ApplicationFiled: July 26, 2011Publication date: January 31, 2013Inventors: Tai Min, Lijie Guan, Min Li, Jiun-Ting Lee
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Publication number: 20130027810Abstract: The present invention relates to a method of forming a metal in a concave portion of a substrate. The method includes a step of preparing a substrate having a concave portion; a step of applying a liquid coating member on the substrate and filling in and solidifying the concave portion with the coating member; a step of covering the coating member with a resist; a step of forming a penetrating hole that penetrates the resist in a position of the concave portion of the substrate; a step of removing the coating member within the concave portion; and a step of filling a metal into a portion where the coating member has been removed.Type: ApplicationFiled: July 29, 2011Publication date: January 31, 2013Applicant: TDK CorporationInventors: Hisayoshi WATANABE, Yuji MATSUURA, Takayuki NISHIZAWA, Masashi SANO, Tetsuji HORI
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Publication number: 20130027811Abstract: A product according to one embodiment includes a tape having an applicator portion for applying an organic coating to a magnetic head for reducing exposure of the head to oxidation promoting materials; the organic coating on the applicator portion of the tape; and a lubricant on a data portion of the tape. A product according to another embodiment includes a tape having a data portion along a portion of a length thereof, and a cleaning portion along another portion of the length of the tape, the cleaning portion being for removing an organic coating from a magnetic head. A magnetic storage system according to one embodiment includes a magnetic head having a removable organic coating thereon in an amount sufficient for reducing exposure of the head to oxidation promoting materials.Type: ApplicationFiled: October 8, 2012Publication date: January 31, 2013Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventor: INTERNATIONAL BUSINESS MACHINES CORP
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Publication number: 20130027812Abstract: An apparatus and associated method are generally directed to a magnetic senor constructed with an anisotropic liner capable of screening magnetic flux. Various embodiments can have a data read element positioned on an air bearing surface adjacent a magnetic shield which is at least partially lined with an in-plane anisotropy layer.Type: ApplicationFiled: July 29, 2011Publication date: January 31, 2013Applicant: SEAGATE TECHNOLOGY LLCInventors: Werner Scholz, Michael C. Kautzky, Sarbeswar Sahoo, Mark T. Kief, James G. Wessel
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Publication number: 20130027813Abstract: A magnetic shield that is capable of enhancing magnetic reading, such as in use as a data transducing head. A magnetic stack can have a read element with an air bearing surface (ABS). The read element may be positioned adjacent a shield layer with a continuously curvilinear sidewall and a shield feature may be positioned within the areal extent of the continuously curvilinear sidewall.Type: ApplicationFiled: July 29, 2011Publication date: January 31, 2013Applicant: SEAGATE TECHNOLOGY LLCInventors: Werner Scholz, Michael C. Kautzky, Meng Zhu, Venkateswara R. Inturi
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Publication number: 20130027814Abstract: A flexible-printed-circuit (FPC) voice-coil assembly configured for integration in a voice-coil motor. The FPC voice-coil assembly includes at least one FPC voice coil. The FPC voice coil includes a coil including at least one coil turn, and a flexible substrate. The flexible substrate is coupled to the coil to form a flexible printed circuit. The FPC voice coil is configured for integration in a voice-coil motor. A voice-coil motor and a disk drive including the FPC voice-coil assembly are also provided.Type: ApplicationFiled: July 29, 2011Publication date: January 31, 2013Inventors: Kenji Suzuki, Mutsuro Ohta, Takaaki Deguchi, Fu-Ying Huang, Shinsuke Nakagawa