21st week of 2009 patent applcation highlights part 29 |
Patent application number | Title | Published |
20090128858 | Printed Product, Printed Product Detection Method and Detection Apparatus, and Authentication Method and Authentication Apparatus - This invention implements a printed product capable of embedding a variety of information which are unrecognizable by human eyes in image lines included in a security line drawing without decreasing the artistic effect of printed image lines and authenticating the information on the basis of the Fourier-transformed pattern of the printed image lines. This invention provides an information authenticable printed product having a plurality of line drawings in which an image line includes a unit image line including a plurality of image lines arrayed in parallel along a normal direction, and the normal-direction intervals between the plurality of image lines in the unit image line are set in correspondence with information to be embedded, an authentication method, a method of embedding information in the printed product, and an authentication apparatus. | 2009-05-21 |
20090128859 | SYSTEM AND METHOD FOR GENERATING WATERMARKS ON ELECTRONIC DOCUMENTS - The subject application is directed to a system and method for document watermarking. First, electronic document data is received into a memory associated with a document processing device. A page image is then generated from the electronic document data on a touchscreen user interface panel associated with the document processing device. A signature area is then generated on the touchscreen and positioned relative to a selected portion of the page image via the dragging of the signature area to a selected portion of the page image. Signature image data is then received and an image corresponding to the received signature image data is superimposed on the positioned signature area. A composite document output is thereafter generated of the electronic document data and the signature image data, with the signature image formed in the positioned signature area. | 2009-05-21 |
20090128860 | ABLATIVE PRINTING - A system for adding data to a printed publication comprises a data source for providing the data, a processing circuit, and an energy source. The processing circuit is configured to retrieve the data from the data source and to control the energy source to at least partially ablate the printed publication based on the data. The data may be fixed and/or variable data. | 2009-05-21 |
20090128861 | Systems and Methods for Communicating Multimodal Messages - A dynamic message delivery system includes an answer detector and a message manager. The message manager establishes a call. The answer detector determines when one of a facsimile machine, a voicemail system or a live speaker answers the call. The message manager responds by delivering one of the primary message or the alternate message. The primary message is in an intended format for delivery to the recipient. The alternate message is in a second format that is different than the intended format. | 2009-05-21 |
20090128862 | AUTOMATED METHOD AND SYSTEM FOR TRANSMITTING DOCUMENTS FROM A SCANNED SOURCE BASED ON TEXTUAL DESTINATION INFORMATION IN THE DOCUMENT - A method for sending image data of a document containing human readable textual destination information to a designated remote destination is herein described. The method includes receiving image data and recognizing, with a processor, the textual destination information designating a remote destination in the image data. The textual destination information may include a predetermined pattern identifying an e-mail address, IP address, or telephone number, or a region to locate such. When the textual destination information is recognized, an electronic routing address is created such that a transmission module coupled to the processor may transmit the data to the remote destination. A method and system including identifying the location of textual destination information in a first scanned document to automatically identify information in a corresponding location in a second scanned document to address and transmit the second document is also disclosed. | 2009-05-21 |
20090128863 | IMAGE OUTPUT APPARATUS, IMAGE OUTPUT METHOD, AND COMPUTER READABLE MEDIUM - An image output apparatus includes: a memory configured to store user identification data; a receiver configured to receive image data and user identification data; an input unit by use of which a user inputs his/her user identification data; a clock; and an image forming unit that: if a time indicated by the clock is within a predetermined standby time, suspends outputting of an image represented by image data received by the receiver; and if user identification data input using the input unit during the predetermined standby time is stored in the memory, outputs an image represented by image data, which is associated with the input user identification data, from among items of image data received by the receiver and not yet output. | 2009-05-21 |
20090128864 | IMAGE READING DEVICE AND IMAGE FORMING APPARATUS - In a first mode, an original is read with a first and a second carriages stopped. In a second mode, the original is read with the first and the second carriages moving in a sub-scanning direction with a distance between the original and an optical reading element kept constant. A control unit causes, if a predetermined condition is satisfied after reading the original in the first mode, the first and the second carriages to standby at a reading position of the first mode while keeping the light source turned on, and if a next read request is issued within a predetermined time, causes the first and the second carriages to move to a next reading operation. | 2009-05-21 |
20090128865 | Simplified Operation Of Scan Based Devices - A document scanner comprises a scan bed, and a processor means which is adapted to: analyse a scanned image to detect one or more defined markings on the scanned document in addition to and adjacent the document content desired to be scanned by the user; and in response to detection of one or more defined markings, to control the document scanner in response to the defined markings. | 2009-05-21 |
20090128866 | IMAGE READING APPARATUS - An image reading apparatus includes an illuminating optical system having light sources arranged in a line and a light guide member guiding rays of light from the light sources to illuminate a document which passes through a document reading position near a light emergent surface of the light guide member. An image reading-optical system includes a rod lens array to read light passing through the document, and a cylindrical lens array in the light emergent surface of the light guide member. Ridge lines running along a subscanning direction, on the light guide member are aligned in a scanning direction. | 2009-05-21 |
20090128867 | CALIBRATION TECHNIQUES FOR IMAGING DEVICES - The invention is directed to various calibration techniques for calibrating an imagining device such as a display device, a printer, or a scanner. The techniques may involve characterizing the imaging device with a device model such that an average error between expected outputs determined from the device model and measured outputs of the imaging device is on the order of an expected error, and adjusting image rendering on the imaging device to achieve a target behavior. The invention can achieve a balance between analytical behavior of the imaging device and measured output. In this manner, adjustments to image rendering may be more likely to improve color accuracy and less likely to overcompensate for errors that are expected. | 2009-05-21 |
20090128868 | SCANNING DEVICE WITH MULTIPLE LED LIGHT SOURCES AND APPLICATION THEREOF - A scanning device with multiple LED light sources and an application thereof. The scanning device includes a housing, a chassis, a main LED light source and an auxiliary LED light source. A horizontal plane of the housing is connected to a sloped plane of the housing to form a connecting section. The main LED light source has a length extending in a longitudinal direction substantially perpendicular to a moving direction of the chassis. The main LED light source provides a main light ray to illuminate the horizontal plane, and includes a first circuit board mounted on the chassis and first LEDs mounted on the first circuit board. The auxiliary LED light source includes a second circuit board mounted on the chassis and a second LED mounted on the second circuit board. The second LED provides an auxiliary light ray to illuminate the connecting section. | 2009-05-21 |
20090128869 | SMOOTHED ENTRIES IN A COLOR TRANSFORMATION LOOK-UP TABLE - A color transformation table is constructed in an imaging device. Unsmoothed entries are placed in a table. The unsmoothed entries are replaced by smoothed entries. The smoothed entries are indexed by a color dimensional value for each color dimension in a first color space. Each smoothed entry is a color dimensional value for a color dimension within a second color space. A first unsmoothed entry is replaced with a first smoothed entry, so that the first smoothed entry is a weighted mean of a subset of unsmoothed entries. The subset of unsmoothed entries includes the first unsmoothed entry and other unsmoothed entries that are indexed by the same color dimensional values as the first unsmoothed entry for all but a first color dimension in the first color space. | 2009-05-21 |
20090128870 | IMAGE FORMING APPARATUS AND IMAGE QUALITY ADJUSTMENT METHOD OF IMAGE FORMING APPARATUS - A reading section outputs density information of a gradation pattern image of a recording member. A gradation correction characteristic generation section generates a first gradation correction characteristic f(x). At first image quality adjustment, a detection section detects densities of patch pattern images on an image carrier, and the gradation correction characteristic generation section generates a second gradation correction characteristic g(x). At normal image quality adjustment, the detection section detects densities of patch pattern images on the image carrier, and the gradation correction characteristic generation section generates a second gradation correction characteristic g′(x). A calculation section calculates a difference gradation correction characteristic g″(x) between the gradation correction characteristic g(x) and the second gradation correction characteristic g′(x). An image quality maintaining control section multiplies the difference gradation correction characteristic g″(x) by the first gradation correction characteristic f(x), and adjusts an image quality of an image formed on the recording member. | 2009-05-21 |
20090128871 | SYSTEMS AND METHODS FOR COLOR CORRECTION PROCESSING AND NOTIFICATION FOR DIGITAL IMAGE DATA GENERATED FROM A DOCUMENT IMAGE - Systems and methods for generating color corrected digital image data from a document image according to personal preferences of an identified user of the digital image copy. A color correction profile is provided defining color correction parameters for a particular identified user. The digital image copy is generated in accordance with the color correction profile by replacing problematic colors with alternate presentations as defined by the color correction parameters. The alternate presentations may include corrections to compensate for colorblindness of an identified user. The document image may be logically segmented to identify objects associated with each of a plurality of segments of the document image such as text, graphics, photographic images, etc. The color correction profile may define different color correction parameters to be associated with each defined type of segment. | 2009-05-21 |
20090128872 | Method of forming an image and image projection device - A method of forming an image comprising providing a device for imparting respective phase shifts to different regions of an incident wavefront, wherein the phase shifts give rise to an image in a replay field, and causing zero-order light to be focused into a region between the replay field and the device. | 2009-05-21 |
20090128873 | LIGHT VALVE ASSEMBLY WITH A HOLOGRAPHIC OPTICAL ELEMENT AND A METHOD OF MAKING THE SAME - A light valve assembly comprises a holographic optical element and a light valve that comprises an array of individually addressable pixels. The light valve assemblies can be fabricated on the die level or on a wafer-level. | 2009-05-21 |
20090128874 | HOLOGRAM RECORDING DEVICE - A hologram recording device (A | 2009-05-21 |
20090128875 | Phase retrieval and phase hologram synthesis - A method of retrieving phase information from input intensity information, representative of a target image, in which a Fourier transform is performed on data and the result used in forming a phase estimate, the phase estimate being inverse Fourier transformed, thereby producing magnitude and phase replay, and wherein not only is the phase reply component but also data derived from the magnitude replay component, iteratively fed back. | 2009-05-21 |
20090128876 | HOLOGRAM RECORDING DEVICE - A hologram recording device records holograms by interference between an recording beam and a reference beam. The device includes an objective lens exhibiting a predetermined aberration. It is supposed that the laser beam applied to the beam splitter has an light intensity of 1, the recording beam and the reference beam emitted from the beam splitter have light intensities of P and 1−P, respectively, the optical magnification for the recording beam traveling from the beam splitter to the objective lens is a, and N pixels are used for modulation of the recording beam in the spatial light modulator. When the recording beam at the predetermined region has an amplitude 1/k times the amplitude of the reference beam, and the amplitude of the recording beam is X times as great as when there is no aberration, the predetermined aberration of the objective lens is determined to satisfy the formula: | 2009-05-21 |
20090128877 | Optical Scanning Actuator - An optical scanning actuator includes a leaf spring member that has a base end fixed and a tip end, a light source that is fitted to the leaf spring member, an electromagnetic driving unit that oscillates the tip end of the leaf spring member, and an optical element that is fitted to the leaf spring member and that is irradiated with light outgoing from the light source to reflect and refract the light to thereby scan the light. | 2009-05-21 |
20090128878 | Scanner and display device having the same - A scanner and a display device. The scanner may include: a mirror positioned on a light path for reflecting light; a mirror holder supporting the mirror; a housing rotatably supporting the mirror holder; a driving unit rotating the mirror holder such that the mirror rotates periodically in an oscillatory manner; a sensing magnet coupled to a rotation center of the mirror holder and rotating in correspondence to a rotation of the mirror holder; and a Hall sensor coupled to the housing adjacent to the sensing magnet for sensing a rotation of the mirror holder. With certain embodiments, the periodical oscillating rotations of the mirror can be detected and used for feedback control, so that the mirror may reflect light with greater stability. Certain embodiments can be used to supplement the driving force of the driving unit, and can prevent noise that may occur during the rotation of the mirror. | 2009-05-21 |
20090128879 | CYLINDRICAL LENS, OPTICAL BEAM SCANNING APPARATUS USING THE SAME, IMAGE FORMING APPARATUS, AND METHOD OF MANUFACTURING THE LENS - A cylindrical lens according to the present invention is a cylindrical lens of a bi-concave type in which both of a surface on which light is made incident and a surface from which the light is emitted are formed as concave surfaces, wherein, in at least one of the concave surfaces, both ends of the concave surface projecting to outer sides are formed to coincide with a plane, a normal of the plane being an optical axis of the cylindrical lens. | 2009-05-21 |
20090128880 | LIGHT CONTROLLING APPARATUS - In a light controlling apparatus including a substrate in which an aperture is formed, a light controlling unit in which, another aperture is formed, and a ion conducting actuator as a driving source, the aperture formed in the substrate and the aperture formed in the light controlling unit are switched by moving the light controlling unit to a first stationary position which overlaps with a position of the aperture formed in the substrate, and a second stationary position which is a position retracted from the position of the aperture formed in the substrate, by changing a shape of the ion conducting actuator by supplying an electric power to the ion conducting actuator. The light controlling apparatus further includes a magnet, and when the light controlling unit has moved to one of the first stationary position and the second stationary position, the power supply to the ion conducting actuator is stopped, and by a magnetic force of the magnet, the light controlling unit is held at one of the first stationary position and the second stationary position. | 2009-05-21 |
20090128881 | Integrated TIR Prism and Lens Element - Disclosed is an optical component, which comprises a prism element adjacent to a lens element, where the two elements are separated by a small air gap. In disclosed embodiments, the elements have adjacent and parallel surfaces which are substantially planar and which, with the small air gap, operate through Total Internal Reflection (“TIR”) to direct light beams that strike the planar surfaces. Light beams that strike at less than the critical angle are internally reflected, while light beams which strike at greater than the critical angle pass through. The TIR surfaces thereby separate the desired optical signals from the spurious ones. The combined TIR prism lens operates as a single and integrated component which directs desired light beams to a reflective optical processing element such as a Spatial Light Modulator and which focuses the processed light beams as they leave the combined TIR prism lens. | 2009-05-21 |
20090128882 | ELECTROCHROMIC MATERIALS AND ELECTROCHROMIC DEVICES USING THE SAME - Disclosed herein are novel red electrochromic materials. Further, disclosed herein are electrochromic devices comprising the red electrochromic materials. The electrochromic devices can find various applications in various electrochromic systems, including electrochromic windows and smart windows, and can realize full-color images. | 2009-05-21 |
20090128883 | Display apparatus using pulsed light source - The present invention provides a display apparatus, comprising: a light source; at least one spatial light modulator for modulating a luminous flux emitted from the light source; and controller for processing video image information, which is input, and controlling the light source and the spatial light modulator, wherein the controller controls the light source and the spatial light modulator so as to perform pulse emission of the light source during a period shorter than a period in which the spatial light modulator is controlled under a modulation state and also controls the light source so as to modulate the pulse emission during a period shorter than a period in which the spatial light modulator is controlled under a modulation state. | 2009-05-21 |
20090128884 | Spatial light modulator implemented with a mirror array device - The present invention provides a spatial light modulator, comprising: a plurality of row lines each connected to a plurality of memory circuits; and a plurality of word lines and a plurality of plate lines connected to the memory circuits for selecting and controlling sets of the memory circuits connected to the selected row lines at pre-designated times for each of the row lines. | 2009-05-21 |
20090128885 | Spatial light modulator and mirror array device - The present invention provides a spatial light modulator, comprising: a plurality of mirror elements; a plurality of address electrodes for controlling the movement of each of the mirror elements; and first and second control circuits for generating a voltage in the address electrode, wherein the second control circuit applies a voltage to the address electrode when the mirror element is in a moving state. | 2009-05-21 |
20090128886 | ILLUMINATION OPTICAL APPARATUS, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD - An illumination optical apparatus guides exposure light emitted from an exposure light source, to an illumination target object. The illumination optical apparatus has a plurality of spatial light modulation members arranged in an array form, and each spatial light modulation member is so configured that a plurality of reflecting optical elements each including a movable reflecting surface are arranged in an array form. At least one of the spatial light modulation members is arranged in an optical path of the light emitted from the light source. | 2009-05-21 |
20090128887 | Spatial light modulator and mirror array device - The present invention provides a spatial light modulator, comprising: a pixel array comprising a plurality of pixel units. Each of the pixel units further comprises memory cell. A plurality of bit lines and a plurality of word lines for electrically communicating with the pixel units. A plurality of plate lines, wherein the plate line is connected to at least some of the memory cells connected to one of the word lines of the pixel array. | 2009-05-21 |
20090128888 | Mirror array device - The present invention provides a mirror array device, comprising: a plurality of mirror elements each comprising a hinge and a deflectable mirror supported by the hinge; a memory cell for controlling the mirror element; a bit line for transmitting a data signal to the memory cell; a word line for controlling a connection between the bit line and the memory cell; a plate line for controlling the memory cell. Each of the mirror elements further comprises a first address electrode controlled by the word line to connect to the memory cell. Each of the mirror elements further comprises a second address electrode electrically connected to the plate line. | 2009-05-21 |
20090128889 | Display device, method of manufacturing display device and electronic apparatus - A display device capable of easily and reliably obtaining an intermediate tone and reliably maintaining individual colors including the intermediate tone even at stoppage of application of an electrical voltage, a manufacturing method of a display device capable of easily and reliably manufacturing the display device, and an electronic apparatus provided with the display device are provided. The display device has a display surface. The display device includes an adsorption particle-containing layer including a wall portion with an inner surface for defining a space, a plurality of electrically charged adsorption particles provided within the space in an adsorbed state that they are adsorbed to the inner surface of the wall portion, and a substantially transparent medium provided within the space, and a pair of electrodes that, when applied with an electrical voltage, generate electrical fields to act on the adsorption particles, wherein in the case where the electrical voltage is applied to between the electrodes, the adsorption particles are moved along the inner surface of the wall portion while maintaining the adsorbed state. | 2009-05-21 |
20090128890 | Spatial light modulator and mirror array device - The present invention provides a spatial light modulator, comprising: a pixel array comprises a plurality of pixel units. Each of the pixel units comprises a memory cell. A plurality of word lines and a plurality of plate lines to electrically communicate with the pixel units. A plurality of bit line sets wherein each of the sets includes a pair of bit lines each connected to a memory cell, wherein at least one pair of the memory cells connected to the pair of bit lines are on a same row connected to a same word line. | 2009-05-21 |
20090128891 | Optical fiber amplification system - An optical fiber amplifier pumping technique based on multiple stimulated Raman scattering (SRS) for optical communication systems includes a plurality of pump signals with increasing wavelength which are injected into a fiber. The wavelengths of such pump signals are such that, in cascade, each pump signal of the plurality is amplified by the pump signal of wavelength immediately shorter, while it amplifies that with the wavelength immediately higher with the pump signal of highest wavelength which, in turn, pumps a remote rare earth doped optical fiber amplifier. | 2009-05-21 |
20090128892 | Chirped pulse fiber amplifier - A short-pulse fiber amplifier system ( | 2009-05-21 |
20090128893 | LOW-EMISSIVITY WINDOW FILMS AND COATINGS INCORPORATING NANOSCALE WIRE GRIDS - A high-transparency, low-emissivity window film or coating is designed to maximize so-called greenhouse heating. This effect is achieved through the use of conductive grids and/or gratings whose width and spacing has been selected such that the grid appears as a uniform conductive film to long-wavelength infrared (blackbody) radiation. The conductive grid film reflects the blackbody radiation strongly, and such that the grid appears highly transparent to visible and near-infrared light, and therefore transmits it. | 2009-05-21 |
20090128894 | Reflective optical element for ultraviolet radiation, projection optical system and projection exposure system therewith, and method for forming the same - A reflective optical element ( | 2009-05-21 |
20090128895 | FILTER FOR DISPLAY DEVICE | 2009-05-21 |
20090128896 | CATADIOPTRIC PROJECTION OBJECTIVE WITH INTERMEDIATE IMAGE - In a catadioptric projection objective for imaging a pattern of a mask arranged in an object surface (as) of the projection objective into an image field arranged in the image surface (IS) of the projection objective, with a demagnifying imaging scale, having at least one concave mirror (CM) and at least one intermediate image, the object plane and the image plane are originated parallel to one another. A deflection system (DS) for deflecting bundles of rays from one part of the projection objective into another part of the projection objective is arranged between the object plane and the image plane. The deflection system contains an image rotating reflection device which is designed to effect an image rotation through 180° by multiple reflection at planar reflection surfaces situated at an angle with respect to one anther, whereby the imaging scale has the same sign in two planes perpendicular to an optical axis and perpendicular to one another. | 2009-05-21 |
20090128897 | MICROSCOPE HAVING MULTIPLE IMAGE- OUTPUTTING DEVICES AND PROBING APPARATUS FOR INTEGRATED CIRCUIT DEVICES USING THE SAME - A microscope comprises an object splitter and a plurality of image-outputting devices configured to receive object images. The object splitter includes a first beam splitter configured to direct an illumination light to an object, a positive lens configured to collect a reflected light from the object and focus the reflected light on the first beam splitter, a second beam splitter configured to split the reflected light into a plurality of optical paths and a plurality of negative lenses positioned on the optical paths to render object images. A probing apparatus for an integrated circuit device comprises at least one probe pin configured to contact a pad of the integrated circuit device and a microscope including an object splitter and a plurality of image-outputting devices configured to receive images from the object splitter. | 2009-05-21 |
20090128898 | MICROSCOPY METHOD AND MICROSCOPE - A microscopy method is provided for generating an image of an image field passing in a predetermined depth of a sample to be examined, comprising a plurality of illumination steps, in which a part of the image field is in each case illuminated with a focused illumination beam bundle, which effects the generation of sample radiation on account of an interaction with the sample, detection steps, in which the sample radiation generated is detected, and an evaluation step, in which the image is generated on the basis of the sample radiation detected, wherein a first and second detection step are carried out during each illumination step, wherein sale radiation generated at the focus and outside the focus is detected in the first detection step and a smaller proportion of the sample radiation generated at the focus than in the first detection step and also sample radiation generated outside the focus are detected in the second detection step, and wherein the sample radiation detected in the second detection step is used in the evaluation step to reduce the proportion outside the focus in the sample radiation detected in the first detection step. | 2009-05-21 |
20090128899 | OPTICAL SYSTEM PROVIDING OPTICAL MAGNIFICATION - An optical system for the magnification of an object presented to an image receiver. The optical system includes a frame configured to position at least one optical element between the object and the image receiver. The optical element includes a plurality of Galilean telescopes supported on a substrate, each Galilean telescope being composed of a positive lens and negative lens, the positive lens being further distanced from the image receiver than the negative lens when the object element is positioned between the object and image receiver. Each of the Galilean telescopes has an axis substantially parallel to the axis of the other Galilean telescopes in the optical system such that light passing through each of the plurality of Galilean telescopes is substantially collimated. Ideally, each negative lens is positioned on a substrate to be on a spherical radius whose center of curvature is substantially at the image receiver. | 2009-05-21 |
20090128900 | AUTOSTEREOSCOPIC DISPLAY - An auto-stereoscopic display device consists of a display array with a defined pixel arrangement and a parallax-barrier arranged in front of and/or behind the display array. The parallax-barrier is comprised of structural elements distributed over a barrier surface, where a barrier texture is formed by the structural elements from a row of barrier lines extending obliquely over the barrier surface and of flat barrier lines. | 2009-05-21 |
20090128901 | Pupil scan apparatus - An apparatus and method by which an image is projected to pupils of a viewer. Preferably, the image covers only areas occupied by the pupils and tracks the areas occupied by the pupils such as to provide continuous display of the imagery to a viewer. The method is to dynamically control the direction of light into sub-apertures selected by a tracking device. By imaging selectively into the sub-apertures where the pupils are temporally located instead of imaging into a generally large area, the disclosed apparatus is power efficient and exclusive because the projected images are covert. This method is applicable to most biocular displays, for instance, but not limited to “see through” systems, which overlay imagery over real world scenes and where geometrically precise projection is critical. In one embodiment, the pupil scan apparatus is combined with a retinal scan apparatus to provide security. In this manner, only an authorized user of the apparatus can operate it. | 2009-05-21 |
20090128902 | Binocular Optical Relay Device - An optical relay device, comprising a light-transmissive substrate shaped as a structure having an apex section, a right section and a left section being separated from the right section by an air gap. The optical relay device further comprises at least two input optical elements located at the apex section, a right output optical element located at the right section, and a left output optical element located at the left section. The substrate and the optical elements are designed and constructed such that light is redirected by the input optical elements, propagates via total internal reflection in the direction of at least one of the sections, and redirected out of the substrate by at least one output optical element. | 2009-05-21 |
20090128903 | POLARIZING BEAM SPLITTER AND OPTICAL APPARATUS INCLUDING THE SAME - A polarizing beam splitter has a periodic structure including a plurality of structured portions periodically disposed in a first direction at intervals equal to or shorter than a used wavelength. The periodic structure satisfies a condition that, of an incident light flux, polarized light that vibrates in one direction is totally reflected. The polarizing beam splitter has an optical interference layer disposed adjacent to the periodic structure and including at least one thin film layer. | 2009-05-21 |
20090128904 | Grid polarizing film, method for producing the film, optical laminate, method for producing the laminate, and liquid crystal display - A lengthy grid polarizer film comprising a lengthy resin film and a plurality of grid lines provided on the surface and/or inside of the resin film and extending substantially in parallel with each other are provided, the grid lines being made of a material G being 1.0 or more in the absolute value of the difference between the real part n | 2009-05-21 |
20090128905 | Optical element, polarizing element, lighting device, and liquid crystal display - An optical element of the invention comprises at least two laminated layers of at least one kind of reflective polarizer (a); and at least one layer of at least one kind of retardation layer (b) for changing polarization properties laminated between the reflective polarizers (a), the combination of the layers being designed so as to provide a incident-light transmittance depending on an incident angle of an incident light and designed such that a shielded light is not absorbed but reflected, wherein at least one layer of the reflective polarizer (a) is a circular polarization type reflective polarizer (a | 2009-05-21 |
20090128906 | Folded Radial Brewster Polariser - A compact polarisation selection device ( | 2009-05-21 |
20090128907 | Optical element, polarizing element, lighting device, and liquid crystal display - An optical element of the invention comprises at least two laminated layers of at least one kind of reflective polarizer (a); and at least one layer of at least one kind of retardation layer (b) for changing polarization properties laminated between the reflective polarizers (a), the combination of the layers being designed so as to provide a incident-light transmittance depending on an incident angle of an incident light and designed such that a shielded light is not absorbed but reflected, wherein at least one layer of the reflective polarizer (a) is a circular polarization type reflective polarizer (a | 2009-05-21 |
20090128908 | Polarization Split Element and Production Method Thereof, and Optical Pickup, Optical Device, Optical Isolator and Polarizing Hologram Provided with the Polarization Split Element - A polarization split element | 2009-05-21 |
20090128909 | Birefringent filter using reflective polarizers and dichroic elements - An optical filter uses two or more reflective polarizers together with retarders to form birefringent filters with controlled transmission. The energy reflected by these polarizers is absorbed by one or more dichroic elements, which can be adjacent to a reflective polarizer; or spaced apart from it by one or more retarder elements. These dichroic elements act as dampers, so the energy of rays undergoing multiple reflections is markedly reduced or virtually eliminated, and high image quality is maintained. This provides a filter arrangement with enhanced spectral range, image quality, or greater extinction, or lower cost, compared to filters using dichroic or prism-type polarizers. | 2009-05-21 |
20090128910 | CORNER CUBE RETROREFLECTOR MOUNT - A retroreflector adapted to be mounted to a motor including a first, second, and third petal having a mutually perpendicular first, second, and third reflective surface that form a retroreflective surface. A base is directly connected to at least one of the first, second, or third petal so as to minimize a vertical profile of the retroreflector. The base is removably connected to the motor with a fastening mechanism. A spatial distance between the fastening mechanism and at least one of the first, second, or third petal minimizes a stress from the motor propagated to the retroreflective surface. | 2009-05-21 |
20090128911 | Diffraction Grating With a Spatially Varying Duty-Cycle - A diffractive optical element is disclosed. The optical element comprises a grating having a periodic linear structure in at least one direction. The linear structure is characterized by non-uniform duty cycle selected to ensure non-uniform diffraction efficiency. | 2009-05-21 |
20090128912 | COMPOSITE MATERIAL AND OPTICAL COMPONENT USING THE SAME - A composite material ( | 2009-05-21 |
20090128913 | Diffusion Plate and Diffusion Plate Assembly - The invention provides a diffusion plate and a diffusion plate assembly. The diffusion plate is made from transparent material. Pluralities of bar-type patterns are disposed on the emission surface of the diffusion plate. The outline of these patterns has a first curve and a second curve. The protruding direction of the first curve and the second curve are inversed. The second curve is an arc whose radius curvature is between 0.05 mm and 0.3 mm. | 2009-05-21 |
20090128914 | Diffuser plate, backlight and display have the same - A diffuser plate includes a first optical sheet having a rear surface configured to receive light from a light source and having a front surface configured to provide light to a second optical sheet, the first optical sheet having a predetermined pattern formed by a plurality of transmissive regions and a plurality of reflective regions, and a second optical sheet disposed in front of the first optical sheet, the second optical sheet including a rear surface configured to receive light from the first optical sheet, a front surface configured to emit light, and lenticular lenses on the front surface of the second optical sheet. | 2009-05-21 |
20090128915 | Antiglare film and coating composition for making the same - The present invention relates to an antiglare film, which comprises a cured transparent resin layer and a type of transparent hollow particles. The hollow particles are distributed in the transparent resin layer and partially exposed therefrom. The ratio of the inner diameter to the outer diameter of the hollow particle is within a range of 0.1 to 0.9, and the ratio of the outer diameter of the hollow particle to the thickness of the transparent resin layer is within a range of 0.1 5 to 1. The hollow particle and the transparent resin layer have different refractive indexes. The hollow particles are partially exposed from the surface of the transparent resin layer, leading the antiglare film to have excellent antiglare properties. | 2009-05-21 |
20090128916 | CURABLE COMPOSITION AND CURED PRODUCT, LAMINATE FILM AND ANTIREFLECTIVE FILM USING THE SAME AND POLARIZING PLATE AND IMAGE DISPLAY DEVICE USING THE ANTIREFLECTIVE FILM - A curable composition, which comprises at least one hydroxyl group-containing polymer, at least one crosslinking agent having a fluorine atom and being reactive with hydroxyl group and at least one curing catalyst; a compound having a specific structure, which is appropriately usable as a crosslinking agent in the curable composition, or a partial condensation product thereof; a cured product obtained by heating the curable composition; a laminate film or an antireflective film having a layer which is formed by coating the curable composition on a transparent support; a polarizing plate wherein the antireflective film is used as one of two protective films for a polarizing film in the polarizing plate; and an image display device wherein the antireflective film or the polarizing plate is employed as the outermost face of the display. | 2009-05-21 |
20090128917 | Antiglare Film - An embodiment of the present invention is an antiglare film which includes an antiglare layer having particles A, particles B, and a binder matrix on a transparent substrate. A difference in refractive index between the particles A and the binder matrix (|n | 2009-05-21 |
20090128918 | Method and Apparatus for Reducing Laser Speckle - An apparatus and method for reducing speckle of a laser beam is disclosed. The apparatus includes a light guide, a highly reflective mirror at the input face of the light guide and a partially-transmissive display after the exit face of the light guide. A coherent laser beam is introduced into the light guide through a clear aperture in the highly reflective mirror. Within the light guide, the laser beam gets separated into plural, successive beamlets having different phase shifts, different polarization states and/or path length differences equal to or greater than the coherence length of the laser beam. The beamlets exit through the partially-transmissive display to provide output laser light with reduced speckle. The light guide can be either a solid light pipe of transmissive material or a hollow tunnel with reflective interior sidewalls. | 2009-05-21 |
20090128919 | HEAD-MOUNTED DISPLAY - A head-mounted display for forming a virtual image at a predetermined distance in front of a user includes: a left eye unit and a right eye unit, each eye unit having an image module for generating an image and an optical system disposed at a predetermined distance from the image module and towards the user's eyeball for forming a virtual image at a predetermined distance from the user by enlarging the generated image. A main body has both the left eye unit and the right eye connected thereto, wherein portions of the main body to which the left eye unit and the right eye unit are connected are each inclined to sustain a predetermined angle from the center of the main body. By utilizing a user's visual convergence so that a virtual image may be displayed at a target position, variation of a distance determination between users is reduced, and thus a viewing effect to the user of a virtual image being formed at a target position is obtained, thereby improving user satisfaction. | 2009-05-21 |
20090128920 | DICHROIC MIRROR - A dichroic mirror includes a substrate and a dielectric multilayered film formed on a surface of the substrate. The dielectric multilayered film includes a first period layer with a structure represented by a formula (0.7H1.4L0.7H) | 2009-05-21 |
20090128921 | LED COLLIMATOR HAVING SPLINE SURFACES AND RELATED METHODS - A TIR collimator for an LED light source includes a body portion having a reflective surface, wherein the reflective surface includes a plurality of segments. Respective segments of the reflective surface have corresponding cross-sectional profiles defined by different low-order polynomial functions, such that the overall cross-sectional profile of the reflective surface constitutes a spline, i.e., a piecewise polynomial function. The respective segments are configured to achieve substantial collimation of the output light. In one example, the cross-sectional profiles of adjacent segments of the reflective surface are defined by different low-order polynomials. Additionally, two or more adjacent segments may have respective cross-sectional profiles which together are defined by a Bezier curve, so as to provide smooth transitions between adjacent segments of the spline reflective surface. | 2009-05-21 |
20090128922 | Fluidic Adaptive Lens Systems with Pumping Systems - The present invention in various embodiments relates to a variety of different types of fluidic adaptive lens systems, pumping systems for implementation in such lens systems, other systems employing such lens systems, and related methods of fabrication. In at least some embodiments, the present invention relates to a lens system that includes a reservoir having at least one flexible wall, a first actuator coupled in relation to the reservoir, and a terminal at which is located at least one of an integrated fluidic lens and a port configured to be coupled to an external fluidic lens. The terminal is coupled to at least one of the reservoir and the actuator, and at least one of the actuator and a first pumping system including the actuator is capable of causing fluid to be moved at least one of from the reservoir toward the terminal, and from the terminal toward the reservoir. | 2009-05-21 |
20090128923 | HIGH POWER ZOOM LENS SYSTEM AND IMAGE PICKUP APPARATUS - A high power zoom lens system includes, in order from the object side: a first lens group having a positive refractive power and remaining stationary during zooming; a second lens group having a negative refractive power and moving during zooming; a third lens group and a fourth lens group having a positive refractive power and being movable relative to each other to correct image plane variation accompanied by zooming; and a fifth lens group having a positive refractive power and including an aperture diaphragm, the fifth lens group being used for forming an image. The second lens group and a composite lens group formed by combining the third lens group and the fourth lens group pass simultaneously through −1×magnification points of the groups during zooming from a wide-angle end to a telephoto end. The fourth lens group has at least one aspheric surface. | 2009-05-21 |
20090128924 | Zoom Lens System, Imaging Device and Camera - An object is to provide a zoom lens system that can realize high image quality, a large aperture and a small size simultaneously and that can optically compensate blur of the image due to hand blur, vibration or the like, an imaging device and a camera. The present invention relates to a zoom lens system, in order from the object side to the image side, comprising a first lens unit having positive optical power, a second lens unit having negative optical power, a third lens unit having positive optical power and a fourth lens unit having positive optical power, wherein variable magnification is achieved by moving at least three lens units in an optical axis direction, focusing is achieved by moving the fourth lens unit in the optical axis direction, blur of the image is compensated by moving the third lens unit in a direction perpendicular to the optical axis, and at least one of a condition (1): 0<(|ΔL|f | 2009-05-21 |
20090128925 | ZOOM LENS AND IMAGING APPARATUS - A fourth lens group of a four-lens group zoom lens includes, in order from an object side, a single positive lens having aspheric surfaces on both sides, and a cemented lens formed of a negative lens and a positive meniscus lens having a convex surface directed to the object side. The object-side surface of the positive single lens is convex and has a stronger refractive power. The cemented lens has a negative refractive power as a whole. The following conditional expressions are satisfied: | 2009-05-21 |
20090128926 | SYSTEMS AND METHODS FOR MOVING A LENS USING SHAPE MEMORY MATERIALS - An imaging apparatus comprises an image pickup and a lens. A shape memory actuator is coupled to the lens and configured to move the lens relative to the image pickup. | 2009-05-21 |
20090128927 | Optical Lens System for Taking Image - An optical lens system for taking image comprises, in order from the object side to the image side: a first lens element with positive refractive power having a convex object-side surface; a second lens element with negative refractive power having a concave image-side surface and at least one aspheric surface; a meniscus third lens element with negative refractive power having a convex image-side surface; and a fourth lens element with negative refractive power having a convex object-side surface and an aspheric image-side surface. The above configurations and arrangements of the lens elements can effectively reduce the size of the optical system while improving its resolution. | 2009-05-21 |
20090128928 | OPTICAL ELEMENT DRIVING DEVICE AND IMAGING APPARATUS - A lens driving device includes a lens, a moving member that supports the lens, a stationary member that movably supports the moving member, a pitch drive mechanism that drives the moving member in the pitch correction direction, and a yaw drive mechanism that drives in the yaw correction direction. The pitch drive mechanism has first and second magnets provided to the stationary member, and first and second coils provided to the moving member. The yaw drive mechanism has a third magnet provided to the stationary member, and a third coil provided to the moving member. The first and second coils are arranged on opposite sides of the lens when viewed in a third direction that is perpendicular to the pitch and yaw correction directions, and the third coil is arranged on the same side as the first coil with respect to the lens when viewed in the third direction. | 2009-05-21 |
20090128929 | APPARATUS FOR ASSEMBLING LENS MODULE - An apparatus for assembling a lens module is provided. The lens module comprises a lens barrel and at least one optical element received therein. The apparatus includes an element-grasping member, an assembly station and two guiding members. The element-grasping member is configured for grasping the at least one optical element and mounting the at least one optical element into the lens barrel. The assembly station has a support surface. Each of the two guiding members includes a stationary element fixedly positioned on the support surface, a movable element and an elastic element. The movable element includes a positioning surface and a clamping surface. The positioning surface is configured for pressing the element-grasping member. The clamping surface is configured for pressing the lens barrel. The elastic element is positioned between the stationary element and the movable element. | 2009-05-21 |
20090128930 | Optical axis tilting device for laser optical system - An optical axis tilting device for laser optical system is configured to include a lens barrel in which a laser optical system is disposed; a tilt frame provided with a tilt sensor, a tilt mechanism including a drive motor, a threaded shaft, a movable member, and a position detector; a leveling mechanism; a ball joint mechanism including a ball support portion in the lens barrel, a ball portion made of a magnetic material and supported between the ball support portion and the tilt frame, a conical recess formed in one of the ball support portion and the tilt frame, and a permanent magnet provided in the one of the ball support portion and the tilt frame; and a computing portion. | 2009-05-21 |
20090128931 | Lens Apparatus and Image Pickup Apparatus - The present invention relates to a lens apparatus consisting of a fixed lens-barrel, first and second movable lens-barrels fitted into the inside and the outside of the fixed lens-barrel and more than two rolling element units provided between the first and second movable lens-barrels so that a plurality of movable lens-barrels can be moved straight and an image pickup apparatus thereof. | 2009-05-21 |
20090128932 | LENS MODULE - A lens module includes a base, a carrier carrying a lens, two elastic members attached on the base and supporting the carrier, and a number of thermal actuators. The carrier is movable relative to the base. The thermal actuators each have a first arm and a second arm. The first and second arms are aligned in an optical axis direction of the lens and each have a first end electrically and mechanically coupled to the base and a distal end, the distal ends thereof are interconnected and attached to the carrier. The first arms are thinner than the second arms so that the first arms are capable of deflecting toward the second arms due to differential heat generated when an electrical current is passed through the first and second arms from the first ends thereof to the second ends thereof, thereby the carrier is moved. | 2009-05-21 |
20090128933 | Driving device - A driving device includes a piezoelectric element that expands and contracts by the application of voltage, a driving shaft fixed to one end of the piezoelectric element in a direction of the optical axis, a lens holder fixed to the other end of the piezoelectric element in the direction of the optical axis, a friction portion frictionally engaged with the driving shaft, and a base that supports the driving shaft such that the driving shaft is capable of moving along the optical axis. The friction portion includes a receiving portion and a leaf spring that are arranged in a manner such that the driving shaft extending along the optical axis is clamped therebetween in the radial direction. | 2009-05-21 |
20090128934 | Adapter for connecting an optical recording device to an observation device - The invention relates to an adapter for connecting the optical path of an optical recording device, in particular a camera, to the optical path of an observation device, with an attachment portion for attaching to one of the two devices, and the adapter has two centring mechanisms for centring the optical axis of a lens of the recording device on the optical axis of an eyepiece of the observation device, and a first centring mechanism cooperates with the eyepiece of the observation device and a second centring mechanism cooperates with the lens of the recording device, and one of the two centring mechanisms is designed to be attached to the eyepiece of the observation device or to the lens of the recording device by means of the attachment portion to provide a centred fit and hold and the second centring mechanism is designed to provide a centrally oriented fit or hold on the lens of the recording device or on the eyepiece of the observation device when necessary. | 2009-05-21 |
20090128935 | Mirror device accommodated by liquid-cooled package - The present invention discloses a mirror device that comprises 1) a mirror element for modulating incident light emitted from a light source and for controlling the reflecting direction of incident light, and 2) a coolant flow channel for containing and flowing a liquid coolant through the flow channel to carry away heat generated in the mirror device. | 2009-05-21 |
20090128936 | OPTICAL MULTILAYER FILTER, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - An optical multilayer filter having an inorganic thin film composed of a plurality of layers on a substrate includes a fluorinated organic silicon compound film formed on a surface of the inorganic thin film, a low-density formation section forming a part of the inorganic thin film, having one or more layers including the most superficial layer of the inorganic thin film, the one or more layers being formed of at least one of a low-density titanium oxide layer and a low-density silicon oxide layer, and a high-density formation section forming another part of the inorganic thin film, disposed between the low-density formation section and the substrate, having silicon oxide layers with a density higher than the low-density silicon oxide layer and titanium oxide layers with a density higher than the low-density titanium oxide layer in a stacked manner. A total thickness of the low-density formation section is equal to or smaller than 280 nm. | 2009-05-21 |
20090128937 | METHOD OF MANUFACTURING COLOR FILTER, COLOR FILTER, IMAGE DISPLAY DEVICE AND ELECTRONIC APPARATUS - A color filter manufacturing method includes supplying different colored ink to cells on a substrate from nozzles based on drawing pattern data; determining whether any droplet ejection apparatus part is washed or exchanged, or a color filter size is changed; and if so, producing correction data for correcting the drawing pattern data. The correction data is produced by preparing a test substrate having cells corresponding to the cells of the substrate; supplying ink to predetermined test cells; and detecting an ink amount supplied to each test cell. The correction data is then used to adjust the ink droplets supplied to the color filter substrate cells to a target amount. The drawing pattern data is then corrected with the produced correction data; and the ink is supplied to the substrate cells using the corrected drawing pattern data to manufacture the color filter. | 2009-05-21 |
20090128938 | Visors and rearview mirrors for helmets - A visor that is especially useful for motorcycle riders and especially for off-road motorcycle racing. The visor has a sun shade member and a mirror. The mirror is affixed to an under surface of the sun shade member. The mirror has a continuous convex surface with a curvature that is free of discontinuations and step changes. The mirror is spaced an effective distance from the user's eyes and has a lateral span and a longitudinal span that are large enough so that the helmet wearer can simultaneously see approximately the same field of view to a side and rear with each eye by a slight turn and tilt of the user's head while an unobstructed line of sight in the direction of travel is retained. The invention also includes a mirror that can be retrofitted to various sun shade members and a kit for retrofitting the mirror in existing sun shade members. | 2009-05-21 |
20090128939 | Durability broad band metallic neutral density optical filters and related methods of manufacture - The present application disclosed various embodiments of improved durability broad band metallic neutral density optical filters and various methods for the manufacture thereof. The devices disclosed herein include a fully densified protective thin-film layer that is essentially 100% bulk devices, free of substantially all porosity, thereby providing full environmental protection of the underlying sensitive metallic filter layer and substrate. In one embodiment, the present application is directed to a neutral density filter and includes a substrate, at least one metallic filter layer having a thickness from about 10 nm to about 100 nm applied to the substrate, and at least one protective layer having a thickness of about 10 nm to about 100 nm applied to the filter layer using an ion-plating process. | 2009-05-21 |
20090128940 | METHOD AND SYSTEM FOR COMPENSATING FOR TAPE DEFORMATION - A method for compensating for tape deformation in a tape drive includes determining location of deformation on a tape; processing the tape in a first manner before and after the deformation; and processing the tape proximate the deformation in a second manner different than the first manner. The step of processing the tape in the first manner comprises recording data on the tape. | 2009-05-21 |
20090128941 | Write Head Tester Using Inductance - A write head is tested by measuring the effect that magnetic fields have on the inductance of the write head. For example, a perpendicular write head may be placed in a magnetic field with a first angle, e.g., non-parallel and non-perpendicular, to the air bearing surface and the inductance is measured. After altering the angle of the magnetic field the inductance is again tested. In another embodiment, the angles may be parallel and perpendicular to the air bearing surface. The difference in the inductance value can be used to determine a characteristic of the write head, such as the presence of a recording pole. In some embodiments, the inductance may be measured while applying a bias current to the write head while the write head is in an external magnetic field. | 2009-05-21 |
20090128942 | Method for Determining Wear of a Data Storage Medium and Data Storage Device - The invention relates to a method of determining wear of a data storage medium actively by performing a read operation on the data storage medium and detecting a read signal, comparing the read signal to at least one wear threshold; and determining a wear level of an area of the data storage medium based on the comparison. The wear threshold is lower than a detection threshold, wherein the detection of the read signal above the detection threshold indicates the presence of stored data. | 2009-05-21 |
20090128943 | Test method and manufaturing method of disk drive device in consideration of manufacturing efficiency - Embodiments of the present invention help to improve test processes for hard disk drives (HDDs) and increase the manufacturing efficiency of HDDs. According to one embodiment, a test process performs a test on an HDD with respect to a plurality of items and stores one or a plurality of test results. Moreover, it determines the optimum specification category to which the HDD is to belong based on the stored test results. One factor of the specifications—storage capacity—has been determined before the test process or is determined during the test process. The test process classifies HDDs with the same storage capacity into different specification categories, and this classification may be performed in a single test process. This achieves efficient manufacture of HDDs with different specifications corresponding to the diversified usage of HDDs. | 2009-05-21 |
20090128944 | Hard disk drive tunneling magnetoresistive annealing heads with a fly on demand heater - A hard disk drive that includes a head coupled to a disk. The head has a heater element. The drive also includes a controller that causes the heater element to heat the head to a temperature sufficient to anneal material within the head. The head is heated to a temperature sufficient to cause oxidation of any metal, such as aluminum, within the head, and/or oxygen redistribution and homogenization in the barrier. This heating process preferably occurs while the drive is not writing or reading data and the head is off disk. | 2009-05-21 |
20090128945 | DATA PROTECTION BASED ON SYSTEM VIBRATION MODES - An aspect of the present disclosure relates to implementing a data protection mode based on system vibration modes in a data supported system. An exemplary system vibration mode is associated with an operating mode of the data supported system. The data protection mode operates to limit, or prevent, errors caused by the vibration. In one exemplary embodiment, a method is provided for operating a data supported system. The method includes receiving an indication that a vibration associated with an operating mode of the system will occur and, in response, implementing a data protection mode in the system. | 2009-05-21 |
20090128946 | DISCONTINUOUS MODE BACK EMF MEASUREMENT - A terminal voltage of an actuator motor is measured while the actuator motor is in a high impedance state. An internal voltage of the actuator motor is measured, and a back-EMF voltage of the actuator motor is estimated in response to the terminal voltage of the actuator motor and the internal voltage of the actuator motor. A drive current supplied to the actuator motor is controlled in response to the estimated back-EMF. | 2009-05-21 |
20090128947 | DISK DRIVE DETERMINING OPERATING FLY HEIGHT BY DETECTING HEAD DISK CONTACT FROM DISK ROTATION TIME - A disk drive is disclosed including a disk having a plurality of tracks, wherein each track comprises a plurality of data sectors and a plurality of servo sectors. The disk drive further comprises a spindle motor for rotating the disk, and a head actuated radially over the disk, wherein the head comprises a dynamic fly height (DFH) heater. Control circuitry within the disk drive is operable to select an operating control setting for the DFH heater by positioning the head over one of the tracks, measuring a first rotation time of the disk in response to at least one of the servo sectors, adjusting the control setting for the DFH heater, measuring a second rotation time of the disk in response to at least one of the servo sectors, and detecting whether the head has contacted the disk in response to the first and second rotation times. | 2009-05-21 |
20090128948 | METHODS AND APPARATUS TO CONTROL HEAT DISSIPATION IN HARD-DISK DRIVES - Methods and apparatus to control heat dissipation in hard-disk drives (HDDs) are disclosed. A disclosed example apparatus comprises a semiconductor die, a ground bump positioned on the die, and a hard-disk drive writer head positioned on the die relative to the ground bump based on a thermal impedance. | 2009-05-21 |
20090128949 | HEAD APPARATUS, DRIVE APPARATUS, AND TRACKING METHOD - A head apparatus includes: a head unit where a plurality of magnetic elements, which carry out reproducing and/or recording on data tracks on a magnetic tape, are disposed at equal intervals on a first straight line; a moving mechanism that moves the head unit; and a controller that carries out tracking control to cause the moving mechanism to move the head unit and keep the magnetic elements on the data tracks. The moving mechanism can rotate the head unit so as to increase or decrease an angle between a second straight line along a width of the magnetic tape and the first straight line. During tracking control, the controller causes the moving mechanism to rotate the head unit so as to increase or decrease the angle in accordance with changes in an interval between the data tracks and keep the respective magnetic elements on the respective data tracks. | 2009-05-21 |
20090128950 | High aspect ratio motion limiter of a microactuator and method for fabrication - A high-aspect ratio motion limiter of a microactuator and a method for fabrication are disclosed. In one embodiment, at least one low-aspect ratio gap is created in a substrate of a microactuator of a hard disk drive. The low-aspect ratio gap is then utilized to facilitate the creation of a high-aspect ratio motion limiter in the substrate of the microactuator. | 2009-05-21 |
20090128951 | ELECTRONIC INFORMATION STORAGE APPARATUS WITH NON-LUBRICATED MEDIA - Described herein are various embodiments of an electronic information storage apparatus and an associated method and system. For example, according to one illustrative embodiment, a disk drive comprises a base and at least one disk that are rotatably attached to the base. The at least one disk can include a burnished and lubricant-free outer surface. The disk drive can also include an actuator coupled to the base. The actuator can comprise a read/write head that is positionable in a reading/writing relationship with the at least one disk to define a lubricant-free space intermediate the read/write head and the outer surface. The disk drive can further include a read/write head loading and unloading ramp that is attached to the base. The ramp can include a ramp surface that is positioned proximate a periphery of the at least one disk. | 2009-05-21 |
20090128952 | MAGNETIC HEAD, HEAD ASSEMBLY AND MAGNETIC RECORDING/REPRODUCING APPARATUS - The present invention relates to a perpendicular recording magnetic head. A main magnetic pole film includes an electrode film and a plated magnetic film. The electrode film includes a Ru film and a conductive magnetic film, and the Ru film, which follows the shape of an inner wall surface of a recess formed in a first non-magnetic film, is adhered to the inner wall surface of the recess or a surface of a second non-magnetic film adhered thereto. The conductive magnetic film is adhered to a surface of the Ru film, thereby following the shape of the inner wall surface of the recess. The plated magnetic film is disposed adjacent the conductive magnetic film, thereby filling up the recess. | 2009-05-21 |
20090128953 | PERPENDICULAR MAGNETIC WRITE HEAD WITH STITCHED NOTCHED TRAILING SHIELD - A magnetic write head for perpendicular magnetic recording having a stitched notched trailing shield. The trailing shield includes a first pedestal portion having sides that are self aligned with the sides of the write pole and having a back edge that extends a first shield throat height. The shield further includes a second shield portion stitched onto the pedestal portion, the second shield portion having a back edge that extends beyond the back edge of the pedestal portion. | 2009-05-21 |
20090128954 | ELECTRICAL LAPPING GUIDE FOR MAGNETIC TAPE HEADS - An electrical lapping guide for a magnetic tape head is provided with a resistive transverse stripe with a longitudinal height affixed to a substrate. A pair of leads extend from the stripe with a notch formed therebetween. The notch has a height corresponding to a lapping target limit for associated tape head elements. During material removal of the transverse stripe and the tape head elements, resistance is measured across the stripe and a dramatic increase in resistance indicates that the material removal has reached the notch. A method for accurately machining a magnetic tape head is provided by depositing tape head elements and a resistive stripe with a notch on a substrate. Resistance is measured across leads on either side of the notch for discontinuing machining of the stripe due to a dramatic increase in resistance. | 2009-05-21 |
20090128955 | Data storage tape cartridge housing characterized by an absence of removable fasteners - A data storage tape cartridge includes first and second housing sections. The first housing section includes a plurality of posts while the second housing section includes a plurality of receptacles. The plurality of receptacles is configured to receive and couple to a respective one of the plurality of posts to provide a housing characterized by an absence of removable fasteners. | 2009-05-21 |
20090128956 | Disk Apparatus - The disk apparatus according to the present invention includes a tray which is elevationally movably disposed within a casing of apparatus integrating a disk reproducing system mechanism and holds a disk to be reproduced thereon, and the tray is provided with a disk supporting section supporting the peripheral edge of the disk such that the recording surface of the disk is floated on the tray. | 2009-05-21 |
20090128957 | Connecting apparatus adapted in a conjunctive structure - A connecting apparatus adapted in a conjunctive structure is provided. The conjunctive structure comprises a baseboard, a peripheral element and a connecting apparatus. The connecting apparatus comprises at least one first connecting element and at least one second connecting element. The first connecting element is a magnetic element and is placed on one corner of the peripheral element. The second connecting element is placed around a hole of the baseboard, and the second connecting element comprises two adjacent magnetic elements with opposite polarity arrangement. | 2009-05-21 |