12th week of 2009 patent applcation highlights part 27 |
Patent application number | Title | Published |
20090073510 | Passive Transparent Media Adapter - A passive transparent media adapter magnetically coupling to a scan system is disclosed. The transparent media adapter captures light from a concentrated light source in the scan module and transfers the light to backlight transparent media so that it can be imaged by the scanner module. The transparent media adapter has no active electronics or illumination so does not require control or power to operate. The magnetic coupling allows a significant amount of the concentrated light to be focused into a narrow backlight region that moves in sync with the scan module. | 2009-03-19 |
20090073511 | METHOD OF AND SYSTEM FOR DRAWING - An image is drawn on a substrate ( | 2009-03-19 |
20090073512 | DOCUMENT FEEDING DEVICE AND IMAGE FORMING DEVICE AND IMAGE FORMING METHOD - A document feeding device has: a document placement stand on which documents of different sizes can be placed; a conveying section separating, one-by-one, documents of a document stack placed on the document placement stand, and conveying a separated document to a discharging section; a first document width sensing unit sensing a maximum document width of the document stack placed on the document placement stand; a second document width sensing unit sensing a document width of a document separated from the document placement stand by the conveying section; and a controller that, in a case in which a mixed size document mode that permits conveying of documents of different sizes is not set, causes the conveying section to restartably interrupt conveying of the document when the maximum document width sensed by the first document width sensing unit and the document width sensed by the second document width sensing unit differ. | 2009-03-19 |
20090073513 | MEDIUM TRANSPORTING APPARATUS AND IMAGE FORMING APPARATUS THAT EMPLOYS THE MEDIUM TRANSPORTING APPARATUS - A medium transporting apparatus is incorporated in an apparatus, and includes a first transport path and a second transport path. The first transport path is defined in the body of the apparatus. The second transport path is disposed on a medium cassette. The medium cassette is movable in a direction in which the medium cassette is pulled out of the apparatus and in a direction in which the medium cassette is inserted into the apparatus, so that the second transport path is detachably coupled to the first transport path. When the medium cassette has been inserted completely into the apparatus, a guide member extends to cover a joint portion between the first transport path and the second transport path, thereby facilitating advancement of the medium from the second transport path to the first transport path. | 2009-03-19 |
20090073514 | Image forming apparatus - A disclosed image forming apparatus includes an image transferring unit configured to transfer an image to a recording medium; a fusing unit provided downstream of the image transferring unit and configured to fuse the image transferred by the image transferring unit with the recording medium; a recording medium conveying unit provided between the image transferring unit and the fusing unit and configured to convey the recording medium from the image transferring unit to the fusing unit; a conveyance failure detecting unit configured to detect a conveyance failure of the recording medium; and a recording medium evacuation unit to which the recording medium can be evacuated in the event that the conveyance failure detecting unit detects the conveyance failure. Plural recording medium evacuation units are provided and plural recording media can be evacuated to each of the recording medium evacuation units. | 2009-03-19 |
20090073515 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - When forming images in respective colors each being formed on each block obtained by dividing one circumference of a photoreceptor drum into n parts, there are provided an image forming section that has photoreceptor drums respectively for Y, M, C and BK colors which form respective color images, encoder that detects TRIG signal of any one photoreceptor drum, corrected index generating section that corrects reference index signals based on the TRIG signal and generates Y-IDX signals after correction for each image forming color and timing control section that compares the pulse number of Y-IDX signals with the pulse number of reference index signals, and adjusts output timing of image data for Y, M, C and BK colors based on the aforesaid comparison. | 2009-03-19 |
20090073516 | IMAGE FORMING APPARATUS - A scanner reads an image of a document, the image of the document read by the scanner is stored in a memory, and a color determining section determines whether the document read by the scanner is color or monochrome. When the color determining section determines that the image of the document is color, image data stored in the memory is converted into color image data configured by multi-valued pixels by a multi-value processing section. On the other hand, when the color determining section determines that the image of the document is monochrome, the image data stored in the memory is converted into monochrome image data configured by binary pixels by a binary value processing section. A printer forms the image data processed by one between the multi-value processing section and the binary value processing section on a paper sheet. | 2009-03-19 |
20090073517 | DEVICE FOR SCANNING AND VERIFYING A PLURALITY OF PAPER FINGERPRINTS - A document scanning device is provided that is able to accurately and easily scan paper fingerprint information, even if particulate rubbish such as paper powder or dust is adhering to the surface of a document platen glass. In an image scanning device able to scan using both a stationary document scanning method as well as document feed scanning method, paper fingerprint information is scanned using either of the above methods. Subsequently, a conveying unit and a scanning unit are moved so as to re-scan the paper fingerprint information in the same fingerprint acquisition region. The above operation is repeated until both sets of paper fingerprint information are coincident. | 2009-03-19 |
20090073518 | Scanning device and method thereof - A scanning device and a method thereof are provided. The scanning device includes a scanning platform and an optical chassis. The scanning platform is for supporting an object. A reference origin is defined on the scanning platform for positioning the object. The optical chassis is located at a detection position while detecting a position of the object. The optical chassis includes a carriage, an image sensor and a detector set. The image sensor is disposed in the carriage for capturing an image of the object and generating image data of the object. The detector set is mounted on the carriage for detecting whether the presence of the object is located at the reference origin. | 2009-03-19 |
20090073519 | IMAGE SCANNING APPARATUS, IMAGE SCANNING METHOD, AND PROGRAM FOR USE IN IMAGE SCANNING APPARATUS - A color image-scanning device has a fixed scan mode and a flow scan mode. In the fixed scan mode, a document is scanned while maintaining the document at a fixed location on a platen glass. In the flow scan mode, a document is fed from an automatic document feeder and is scanned while moving the document. In each of these modes, images are scanned in a main scanning direction and a sub scanning direction. Color registration errors in the main and sub scanning direction caused by an optical factor are corrected in accordance with correction values stored in a memory. Respective correction values for each of the main and sub scanning directions are acquired by scanning a test chart in each of the fixed-scan mode and the flow-scan mode and stored in the memory. Proper correction values are read from the memory depending on the scanning mode selected, and color registration errors are corrected in accordance with the read correction value. | 2009-03-19 |
20090073520 | ENCODED MICROPARTICLES AND A METHOD FOR FABRICATING - A method for fabricating microparticles is provided. The method includes providing a removable substrate that has a photosensitive material. The substrate has a plurality of inner regions. Each inner region surrounds a corresponding outer region. The method also includes providing at least one optically detectable code within at least one of the inner regions of the substrate and etching lines into the substrate to create a plurality of microparticles having at least one optically detectable code therein. The microparticles have elongated bodies that extend in an axial direction. The optically detectable codes extend in the axial direction within the microparticles. | 2009-03-19 |
20090073521 | Holographic Method With Numerical Reconstruction for Obtaining an Image of a Three-Dimensional Object Which Even Points out of the Depth of Field Are in Focus, and Holographic Apparatus Using Such a Method - The invention concerns a holographic method with numerical reconstruction for obtaining an image of a three-dimensional object, said method employing a digitalised hologram of an object, and comprising a step A. wherein, starting from the digitalised hologram, extracting a phase image of said object corresponding to a bidimensional matrix MD of distance values; a step B. wherein a mono-dimensional subassembly SD of the distance value assembly present in matrix MD of the method step A is selected, subassembly SD containing distance values dk; a step C. wherein for each distance value dk, extracting from matrix MD a iso-level assembly IQdk corresponding to a mono-dimensional assembly of bidimensional coordinates of said object, a step D. wherein for each distance value dk, reconstructing, starting from the digitalised hologram, a bidimensional matrix IMdk of intensity values relevant to said object; a step E. wherein, from each bidimensional matrix IMdk a bidimensional matrix IFdk of intensity values is extracted corresponding to the bidimensional coordinates of the iso-level assembly IQdk; a step F. wherein, starting from intensity values IFdk from the bidimensional coordinates of the iso-level assembly IQdk and from the relevant distance values dk, reconstructing the three-dimensional intensity image of said object, and wherein the resolution of the bidimensional matrix IMdk for all values of k is identical to the resolution of matrix MD of distance values. | 2009-03-19 |
20090073522 | System and Methods for Shearless Hologram Acquisition - Systems and methods for shearless digital hologram acquisition, including an apparatus incorporating an illumination source configured to produce a first beam of light, which is then split by a beamsplitter into a reference beam and an object illumination beam. The reference beam is directed onto a phase-shaping optical element which imparts a phase shift to the reference beam and returns the phase-shifted reference beam on itself to the beamsplitter. The object illumination beam is directed onto an object, and a portion of the beam is reflected back to the beamsplitter, which combines the phase-shifted reference beam and object illumination beam substantially coaxially. The combined beams are passed through a focusing lens which focuses them at a focal plane. A digital recorder is positioned at the focal plane to record the spatially heterodyne hologram formed by the focused phase-shifted reference beam and reflected object illumination beam. | 2009-03-19 |
20090073523 | OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS - In an optical scanning device, a light-source driving unit drives a light source to modulate a light beam in units of single dot, a deflecting unit deflects the light beam, and a scanning optical system guides the deflected light beam to a scanning surface having an active writing area for forming an image. A static beam spot size, which is a beam spot size of the light beam on the scanning surface when the light beam passes a predetermined image height, is set such that a scanning beam spot size, which is a beam spot size of the light beam on the scanning surface when the light beam is moved to scan during the light beam exposes a single dot, is kept substantially constant. | 2009-03-19 |
20090073524 | IMAGING APPARATUS INCLUDING OPTICAL SCANNING DEVICE WITH DEFLECTING MIRROR MODULE, AND METHOD OF DEFLECTING WITH THE MIRROR MODULE - A module configured to deflect light in an image forming apparatus. A torsion bar supports a mirror and defines a rotational axis of the mirror. A controller is configured to apply electronic pulses to at least one driving device to oscillate the mirror in the module around the rotational axis at a scanning frequency different than a resonance frequency of the mirror. | 2009-03-19 |
20090073525 | DISPLAY DEVICE - A display device includes a laser light source, refraction means for refracting a laser beam emitted from the laser light source, and scan means for scanning the refracted laser beam by driving the refraction means. Further, in the display device, the scan means includes first scan means and second scan means that change a position of the refraction means with respect to the laser light source along two directions orthogonal to each other. Further, the refraction means includes first refraction means driven by the first scan means and second refraction means driven by the second scan means. | 2009-03-19 |
20090073526 | OPTICAL SCANNING ELEMENT AND IMAGE DISPLAY APPARATUS - An optical scanning element includes: a movable member which has a reflection surface for reflecting light and rotatable around a rotation axis; and a transmitting member which has a first surface on the side opposite to the side facing the movable member and a second surface on the side facing the movable member, and transmits light entering the first surface and light entering the second surface from the reflection surface. The first surface is not parallel with the reflection surface when the movable member is in a neutral condition. | 2009-03-19 |
20090073527 | System and Method for Generating Multicolor Scan Lines and Multicolor Projection Video Display Incorporating the Same - A system for, and method of, generating multicolor scan lines and a multicolor projection video display (PVD) incorporating the system or the method. In one embodiment, the system includes: (1) light sources that emit light of different colors at different emission locations and (2) first and second lenses having lenticular arrays associated therewith and configured to receive the light of the different colors and generate multicolor scan lines therefrom, the emission locations separated by different distances from the first lens. | 2009-03-19 |
20090073528 | OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS - In an optical scanning device of opposite scanning type, two target surfaces for scanning are scanned in opposite main scanning directions by using a single optical deflector. End portions of a scanning lens arranged in a scanning optical system are configured not to have refractive power in the main scanning direction. A synchronization light beam passes through the end portions of the scanning lens and falls on a light receiving element via a synchronizing optical system. The synchronizing optical system includes a first synchronizing lens, a synchronizing fold mirror, and a second synchronizing lens. The synchronizing fold mirror and the light receiving element are arranged to be in a conjugate relation with the second synchronizing lens. | 2009-03-19 |
20090073529 | MULTIBEAM OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS - A multibeam optical scanning device includes a plurality of light sources; a collimating lens; an aperture; a cylinder lens; a light deflecting unit; a scanning optical system; and a phase adjusting element. The phase adjusting element performs phase adjustments of wavefronts of the light beams to expand a depth allowance without substantially increasing a beam spot size of each of the beam spots on the scanning surface. | 2009-03-19 |
20090073530 | Optical Scanning Device and Image Forming Apparatus - An optical scanning device is configured to cause a light beam to scan a photosensitive drum to form a latent image on the photosensitive drum. The optical scanning device includes light emitting units configured to emit light beams and a light deflecting unit having deflecting surfaces and being configured to cause the light beams emitted from the light emitting units to reflect at the deflecting surfaces and deflect and scan in a main scanning direction. Also, the device includes a lens disposed between the light emitting units and the light deflecting unit, the lens being configured to cause the light beams emitted from the light emitting units to be directed along the main scanning direction to the reflective surfaces, and an aperture member disposed between the lens and the light deflecting unit, and having apertures formed in line in a sub scanning direction perpendicular to the main scanning direction. | 2009-03-19 |
20090073531 | LIGHT SOURCE MODULE, OPTICAL SCANNING DEVICE, AND IMAGE FORMING APPARATUS - A coupling lens collimates an optical beam emitted from a laser light source. An aperture shields a peripheral light flux area of the collimated optical beam. A phase adjusting element partially changes a phase of wavefront of the optical beam. An auxiliary aperture is formed on an outer side of a normalized aperture size in at least one of a main scanning direction and a sub-scanning direction. The phase adjusting element is formed in a parallel plate, and changes at least a phase of wavefront of a peripheral portion of the optical beam to compensate decreases of the beam spot size and the depth allowance caused by the auxiliary aperture. | 2009-03-19 |
20090073532 | SCANNER ACTUATING DEVICE - A scanner actuating device is disclosed. According to an embodiment of the present invention, the scanner actuating device can include a piezo actuator, which includes a plurality of piezo elements, which are contracted or expanded, and a friction contact part, which moves in an elliptic motion according to the contraction or expansion of the piezo element, a friction bar, which converts the elliptic movement into a straight-line movement and is protruded toward a different direction from the direction of the straight-line movement, a rotation member, which includes a sliding contact part moving with the straight-line movement of the sliding contact part, the sliding contact part, which rotates about a settled axis, and a scanning mirror, which is mounted on the rotation member and reflecting an incident beam of light in a desired direction by rotating about the rotation axis. | 2009-03-19 |
20090073533 | APPARATUS AND METHODS FOR USE OF A TUNABLE OPTICAL SOURCE IN SAFETY CURTAIN APPLICATIONS - Apparatus and methods for using a tunable optical source in safety curtain applications provide for enhanced operation of the safety curtain. In an embodiment, a safety curtain includes a transmit unit and a receive unit to operate as the safety curtain, where a single tunable light source generates different wavelengths of light and a single detector is used to detect the generated light. | 2009-03-19 |
20090073534 | INTERFEROMETRIC MODULATOR DISPLAY DEVICES - An embodiment for a pixel for a display device on a substrate is disclosed. The pixel includes a first interferometric modulator on the substrate. The first interferometric modulator has a first normal direction substantially perpendicular to the first interferometric modulator and a first angularly-dependent reflectivity function comprising a first reflectivity in a first direction and a second reflectivity in a second direction, with the first reflectivity being greater than the second reflectivity. The pixel also includes a second interferometric modulator on the substrate. The second interferometric modulator has a second normal direction substantially perpendicular to the second interferometric modulator and a second angularly-dependent reflectivity function comprising a third reflectivity in the second direction and a fourth reflectivity in the first direction, with the third reflectivity being greater than the fourth reflectivity. | 2009-03-19 |
20090073535 | OPTICAL ELEMENT - An optical element having an alignment layer for an optical anisotropic body, in which the generation of damages in the alignment layer is effectively prevented by providing an optical element having an alignment layer for an optical anisotropic body, wherein a stress releasing layer is formed as an underlying layer for the alignment layer. | 2009-03-19 |
20090073536 | High performance chirped electrode design for large area optoelectronic devices - An electro-optic device with a doped semiconductor base and a plurality of pixels on the semiconductor base, each pixel including: a multiple quantum well formed on the semiconductor base, an oppositely doped semiconductor layer on the multiple quantum well, and a top electrode on the semiconductor layer, the top electrode shaped to produce an approximately uniform lateral resistance in the pixel. An embodiment is a large area modulator for modulating retro-reflector systems, which typically use large area surface-normal modulators with large lateral current flow. Uniform resistance to each part of the modulator decreases location dependence of frequency response. A chirped grid electrode balances semiconductor sheet resistance and metal line resistance components of the series resistance. | 2009-03-19 |
20090073537 | WAVELENGTH MONITORED AND STABILIZED SOURCE - Methods and apparatus for sampling techniques can constantly monitor a spectral output from a broadband source in order to control a central wavelength of interrogation light supplied by the source for input to a sensor. A first portion of light output from the broadband source passes through a controller module for spectral analysis and referencing to provide measurements that can be used as feedback to actively modify a second portion of the light from the source. This modified second portion thereby controls the central wavelength to ensure accurate determination of sensor response signals received at a receiver. | 2009-03-19 |
20090073538 | Acousto-optical laser scanner and UV laser analyzer of micro-objects based on it - Two-coordinate AO laser scanner for 355 and 266-nm UV wavebands utilizing AO cells with specially shaped TeO | 2009-03-19 |
20090073539 | PERIODIC DIMPLE ARRAY - A microelectromechanical (MEMS) device includes a substrate, an actuation electrode over the substrate, a reflective layer over the actuation electrode, and a support layer between the actuation electrode and the reflective layer. The reflective layer includes at least one aperture through the reflective layer. The support layer includes a recess between the actuation electrode and the at least one aperture. Upon application of a control signal to the device, at least a first portion of the reflective layer is configured to move into the recess and at least a second portion of the reflective layer is configured to remain stationary. The reflectivity of the MEMS device is dominantly modulated by changing a phase difference between light reflected from the first portion and light reflected from the second portion. | 2009-03-19 |
20090073540 | SEMI-TRANSPARENT/TRANSFLECTIVE LIGHTED INTERFEROMETRIC DEVICES - In certain embodiments, a device is provided that utilizes both interferometrically reflected light and transmitted light. Light incident on the device is interferometrically reflected from a plurality of layers of the device to emit light in a first direction, the interferometrically reflected light having a first color. Light from a light source is transmitted through the plurality of layers of the device to emit from the device in the first direction, the transmitted light having a second color. | 2009-03-19 |
20090073541 | Control Grid Increased Efficiency and Capacity for Solar Concentrators and Similar Equipment - This invention provides a better means to achieve affordable solar energy. It does so by increasing the efficiency and capacity of control grids (for addressing and alignment) in solar concentrators, and similar equipment. Method and apparatus are described for going from a 25% grid efficiency and capacity to a more than 90% grid efficiency and capacity. The instant invention relates to improvements in the control (addressing and alignment) grid for Solar Energy Concentrators, and similar equipment. The control grid acts to address and align active optical elements such as mirrored balls, electrophoretic, and magnetophoretic cells in solar concentrators [e.g. cf. U.S. Pat. Nos. 7,133,183 and 6,843,573 by M. Rabinowitz]. This invention also reduces the cost of transistor grids by greatly reducing the number of grid junctions and hence the number and cost of transistors. Moreover, the present invention simplifies the grid making it more feasible to use the same voltage supply sequentially to further reduce costs, rather than having multiple voltage sources. | 2009-03-19 |
20090073542 | Rewritable thin image display sheet, image display apparatus and image display system - Discloses is a rewritable thin image display sheet, an image display apparatus and an image display system. In the image display system, a low-melting-point wax | 2009-03-19 |
20090073543 | HIGH FREQUENCY ACOUSTO-OPTIC FREQUENCY SHIFTER HAVING WIDE ACCEPTANCE ANGLE - An acousto-optic (AO) frequency shifter includes an anisotropic crystal having an optical axis and an input face, and an acoustic transducer having electrodes affixed to the face for receiving an electrical signal and projecting an acoustic wave into the crystal. The anisotropic crystal is cut relative to the face so that the transducer is at an acoustic angle (θ | 2009-03-19 |
20090073544 | Device for the optical splitting and modulation of electromagnetic radiation - A device for the optical splitting and modulation of monochromatic coherent electromagnetic radiation, in particular light beams and/or laser beams, contains a beam source, an acousto-optical element disposed downstream of the latter and serving for splitting the beam generated by means of the beam source into a number of partial beams, a modulator and also a signal generator for applying to the acusto-optical element an electrical signal for splitting the beam. The device is intended to be developed to the effect that in conjunction with a simple and functionally reliable construction and independently of the number of beams emitted by the beam source, the intensity of the individual split partial beams can be kept constant. For this purpose, it is proposed that the modulator is embodied as an acusto-optical modulator disposed downstream of the acusto-optical element, and that the acusto-optical modulator is fed the split partial beams for modulation, and the acusto-optical modulator can be driven with additional high-frequency electrical signals. | 2009-03-19 |
20090073545 | DISPLAY APPARATUS USING MONITORING LIGHT SOURCE - A display apparatus using monitoring light source is disclosed. a display apparatus includes a display light source of emitting a display beam, a monitoring light source of emitting a monitoring beam, an optical modulator of modulating the display beam and the monitoring beam to output a diffracted display beam and a diffracted monitoring beam, a scanner of scanning the diffracted display beam onto a display screen, an optical detector of receiving the diffracted monitoring beam and producing a detection signal corresponding to a quantity of light of the diffracted monitoring beam, and a controller of producing a control signal for controlling the optical signal according to an image signal, deciding a compensation value on receiving the detection signal, and producing a control signal to where that the compensation value is applied when modulating the display beam. Variation in displacement of each micro-mirror can be compensated by using a monitoring light source. | 2009-03-19 |
20090073546 | Optical path switching device - An optical path switching device is provided. The optical path switching device utilizes the electro-optic effect to apply an electric field on different reflective elements without moving an input/output end of optical signal or reflective elements. Thus, the reflective elements reflect optical beams to control travel paths of the optical beams, so as to switch the optical paths in the absence of mechanical motion. | 2009-03-19 |
20090073547 | OPTICAL MODULATOR AND OPTICAL MODULATION SYSTEM - A light modulation device that improves utilization efficiency of light is provided. The light modulation device includes a light emitter, a Fabry-Perot type of resonator, and a controller for applying a control voltage to the resonator. The resonator includes a light modulating film in which refractive index changes in accordance with an applied electric field, and comb-shaped electrodes for applying the electrical field to the light modulating film. The light emitted from the light emitter is incident to a light-incident plane, the light being substantially perpendicular to a direction of the electrical field applied to the light modulating film, and inclined from a direction normal to the light-incident plane. | 2009-03-19 |
20090073548 | Composite Materials - A composite material having a plasma frequency comprising a random mixture of conductive and non-conductive particles. A material having smaller conductive than non-conductive particles and a concentration of conductive particles approximately at, close to or above the percolation threshold for mixtures of the conducting and non-conducting particles may show a plasma frequency well below plasma frequencies for conventional bulk materials. | 2009-03-19 |
20090073549 | Magnetic garnet single crystal and faraday rotator using the same - It is an object of the present invention to provide a magnetic garnet single crystal capable of reducing the optical loss of the resulting rotator even when the magnetic garnet single crystal is grown using a solvent containing Na by the liquid phase epitaxial process, as well as a Faraday rotator using the same. A magnetic garnet single crystal represented by the chemical formula Bi | 2009-03-19 |
20090073550 | DEVICE FOR AMPLIFYING A LASER WITH HIGH ENERGY AND HIGH BEAM QUALITY - The field of the invention is that of high-energy laser beam amplifiers and associated optical pumping devices. The object of the invention is to use an amplifier configuration and a cooling means which do not have the drawbacks of cryogenic systems that have been used up until now and which however make it possible both to obtain an amplified laser beam of high quality and to minimize transverse lasing effects. A laser beam amplifying device according to the invention combines four main principles, which are use of a crystal exhibiting circular symmetry so as to distribute the mechanical stresses radially; cooling of the entire external surface by a cooling liquid, so as to avoid the use of cryogenic techniques; use of a matching liquid so as to avoid transverse lasing effects; and use of pump laser beams with uniform energy distribution. | 2009-03-19 |
20090073551 | ELECTRICALLY-OPERATED MICROSCOPE - The present invention provides an electrically-operated microscope including an arrangement switching unit, a driving unit, an operation inputting unit, and a control unit. The arrangement switching unit holds a plurality of optical elements and switches an arrangement of the plurality of optical elements. The driving unit drives the arrangement switching unit. The operation inputting unit inputs a predetermined single operation. The control unit controls the driving unit to control the arrangement of the plurality of optical elements, and performs a control of stopping a driving of the driving unit and enabling a manual revolution of the arrangement switching unit when the predetermined single operation is input by the operation inputting unit. | 2009-03-19 |
20090073552 | LASER SCANNING MICROSCOPE - A laser scanning microscope is disclosed that combines light from first and second scanning optical systems onto a common optical path using a beam combiner. A first plane-parallel transparent plate and a beam combiner are positioned on a support that may be moved relative to the common optical path. The first plane-parallel transparent plate has an optical thickness equal to the optical thickness of the beam combiner and is oriented with its surface normal lying substantially parallel with the surface normal of the beam combiner. An astigmatism-correcting optical element is provided on the common optical path, with the astigmatism-correcting optical element generating astigmatism that is equal in magnitude, but different in direction by 90 degrees, to the astigmatism generated by non-collimated light that is transmitted through the beam combiner. When the support is repositioned, spherical aberration in various light paths is maintained constant so that it may be easily corrected. | 2009-03-19 |
20090073553 | FOCUS ADJUSTMENT UNIT AND OPTICAL SCANNING MICROSCOPE - An optical scanning microscope is provided in which the observation magnification does not greatly change even when the working distance of an objective lens is changed. The optical scanning microscope includes an objective optical system that converts the light from a specimen into a substantially collimated light beam, an imaging optical system that forms an image from the substantially collimated light beam from the objective optical system at a predetermined position, a pupil projection optical system that substantially collimates the light formed into an image by the imaging optical system at the predetermined position, a lateral scanner that angularly deflects the substantially collimated light beam from the pupil projection optical system to laterally scan the area of the specimen to be observed, and a lens driver that drives the imaging optical system or the pupil projection optical system or both in the optical axis direction. Defining the front side be the side where the specimen is located, the imaging optical system is disposed so that the front focal point thereof is positioned in the vicinity of the back focal point of the objective optical system. | 2009-03-19 |
20090073554 | SCANNING EXAMINATION APPARATUS - A scanning examination apparatus | 2009-03-19 |
20090073555 | SCANNING MICROSCOPE AND METHOD FOR MANIPULATING SAMPLES BY MEANS OF A MANIPULATING LIGHT BEAM IN A SCANNING MICROSCOPE - A scanning microscope for manipulating a sample, the microscope, having a first light source, a second light source, a beam deflector, and an optical device. The first light source is configured to emit an illuminating light beam that follows an illuminating beam. A second light source is configured to produce a manipulating light beam which has a manipulating beam focus and follows a manipulating beam path. The beam deflection device is configured to guide the illuminating light beam and the manipulating beam focus over or through the sample. The optical device is disposed downstream of the second light in the manipulating beam and is configured to modify the size of the manipulating beam focus. | 2009-03-19 |
20090073556 | MULTI-STEREOSCOPIC VIEWING APPARATUS - A method for creating a three-dimensional multi-stereoscopic viewing apparatus includes determining characteristics of an electronically illuminating color matrix panel display having first a pixel arrangement. The method also includes determining a specification for a lenticular lens configured to convert the first pixel arrangement to a second pixel arrangement and placing the lenticular lens on the display panel. The specification for the lenticular lens is determined by calculating a viewing distance from a refraction index, a width of the display panel, and an average distance between human eyes. Determining the specification for the lenticular lens also includes determining a viewing angle that maximizes viewing characteristics and determining characteristics of the lenticular lens. | 2009-03-19 |
20090073557 | Three-dimensional image displaying apparatus - A three-dimensional image displaying apparatus includes a display panel formed of a plurality of pixels having a plurality of light emitting points arranged with a specific interval; a lens panel formed of a plurality of lenses arranged corresponding to the pixels for forming a virtual image of the light emitting points of each of the pixels; a drive unit for driving the light emitting points to emit light according to first drive data specifying the pixels and the light emitting points; and a transportation unit for transporting one of the display panel and the lens panel according to second drive data specifying a distance between the display panel and the lens panel. In the three-dimensional image displaying apparatus, specific ones of the lenses form the virtual images at a same position, thereby displaying one three-dimensional pixel. | 2009-03-19 |
20090073558 | CONTINUOUS ADJUSTABLE 3DEEPS FILTER SPECTACLES FOR OPTIMIZED 3DEEPS STEREOSCOPIC VIEWING AND ITS CONTROL METHOD AND MEANS - Continuous Adjustable 3Deeps Filter Spectacles are provided with lenses with continuously changeable optical densities, so that viewing of 2D movies is optimized for visualization in natural 3D. Method and means are disclosed for the continuous Adjustable 3Deeps Filter Spectacles to perform two independent optimizations to achieve optimized 3Deep visual effects on 2D movies. First they compute the optical density setting of the lenses for optimal viewing of 2D movies as 3D. Then they continuously render the lenses of the spectacles to these optical densities optimized for characteristics of the electro-optical material from which the lenses of the spectacles are fabricated. The invention works for both 3DTV and 3D Cinema theater viewing. | 2009-03-19 |
20090073559 | Directional Display Apparatus - A birefringent lens structure comprises a birefringent lens array capable of directing light of a given polarisation into a directional distribution, the birefringent lens comprising a solid birefringent material and an isotropic material having an interface having a refractive structure. A switchable liquid crystal layer capable of rotating the polarisation of light passing therethrough is arranged adjacent the first birefringent material. The interface between the birefringent material and the liquid crystal layer has an alignment microstructure providing alignment of the birefringent material and the liquid crystal layer. A pair of electrodes for applying an electric field to switch the liquid crystal are arranged with both the lens array and the switchable liquid crystal layer therebetween and a conductive material is incorporated in the lens array to reduce the voltage drop across the lens array. To reduce reflection, the interface between the birefringent material and the isotropic material has an interface having alignment microstructure providing alignment of the birefringent material, and the refractive index of the isotropic material is substantially equal to the extraordinary refractive index of the birefringent material. | 2009-03-19 |
20090073560 | Systems and Methods for Polarization Mode Dispersion Mitigation - In one exemplary embodiment, a method comprises transmitting an optical signal via the optical line, measuring a relative change in spectral intensity of the optical signal near a clock frequency (or half of that frequency) while varying a polarization of the optical signal between a first state of polarization and a second state of polarization, and using the relative change in spectral intensity of the optical signal to determine and correct the DGD of the optical line. Another method comprises splitting an optical signal traveling through the optical line into a first and second portions having a first and second principal states of polarization of the optical line, converting the first and second portions into a first and second electrical signals, delaying the second electrical signal to create a delayed electrical signal that compensates for a DGD of the optical line, and combining the delayed electrical signal with the first electrical signal to produce a fixed output electrical signal. | 2009-03-19 |
20090073561 | Systems and Methods for Polarization Mode Disperson Mitigation - In one exemplary embodiment, a method comprises transmitting an optical signal via the optical line, measuring a relative change in spectral intensity of the optical signal near a clock frequency (or half of that frequency) while varying a polarization of the optical signal between a first state of polarization and a second state of polarization, and using the relative change in spectral intensity of the optical signal to determine and correct the DGD of the optical line. Another method comprises splitting an optical signal traveling through the optical line into a first and second portions having a first and second principal states of polarization of the optical line, converting the first and second portions into a first and second electrical signals, delaying the second electrical signal to create a delayed electrical signal that compensates for a DGD of the optical line, and combining the delayed electrical signal with the first electrical signal to produce a fixed output electrical signal. | 2009-03-19 |
20090073562 | Image fluctuation correcting apparatus - An image fluctuation correcting apparatus rotates a first rotary apex angle prism held in a first prism holding member around a first shaft in a direction for canceling an amount of horizontal fluctuation by electromagnetic force generated between a first drive coil and a first magnet by flowing electric current in the first drive coil. Also, the image fluctuation correcting apparatus rotates a second rotary apex angle prism held in a second prism holding member around a second shaft, which is located 180-degree angle away from the first shaft, in a direction for canceling an amount of vertical fluctuation by electromagnetic force generated between a second drive coil and a second magnet by flowing electric current in the second drive coil. | 2009-03-19 |
20090073563 | OPTICAL LATTICE MICROSCOPY - A method for creating a periodic interference pattern of coherent waves in two or three dimensions, D, includes generating at least D+2 waves, where each wave has substantially the same wavelength, λ, and travels substantially in a unique direction, k | 2009-03-19 |
20090073564 | Optical film having light-scattering substrate and the process thereof - An optical film comprises a light-scattering substrate capable for diffusing light incoming through the substrate, and a prismatic layer having an array of a plurality of prisms and formed on the substrate for concentrating light when outgoing from the prisms, thereby obtaining an optical film for enhancing its brightness and light uniformity simultaneously. | 2009-03-19 |
20090073565 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface, a second surface opposite to the first surface, a plurality of spherical depressions formed in the first surface, and a plurality of triangular pyramidal depressions and hexagonal pyramidal depressions formed in the second surface. Each of the triangular pyramidal depressions is surrounded by three adjacent hexagonal pyramidal depressions. A backlight module using the present prism sheet is also provided. | 2009-03-19 |
20090073566 | OPTICAL SHEET FOR DISPLAY UNIT AND MANUFACTURING METHOD THEREOF - In a manufacturing method of the present invention, a diffusion sheet having a flat size of a product size or more is laminated to a front surface and/or back surface of a lens sheet having flat size of the product size or more, and the stack is cut along its periphery into the product size, and the lens sheet and the diffusion sheet are bonded to each other at least one or more peripheral points thereof. This eliminates a step for individually cutting a number of films (sheets) into a product size, and a step for aligning the number of films (sheets) for lamination. In addition, the method does not cause a problem of waste of protective sheets, but provides advantages in both cost and quality. There is no problem caused in laminating a number of films, or problems caused by different thermal expansions/thermal shrinkages of a plurality of films. | 2009-03-19 |
20090073567 | LIGHT-GUIDING SURFACE STRUCTURE - The present invention relates to a multilayer, surface structured solid plate for light guidance, the base material of which consists of a transparent plastic material, and optionally one or more cover layers. | 2009-03-19 |
20090073568 | HOUSING WITH THREE-DIMENSION APPEARANCE - A housing ( | 2009-03-19 |
20090073569 | COMPOUND EYE - A compound eye is provided. The compound eye includes a microfluidic device defining a plurality of wells therein. A plurality of lenses are disposed in corresponding wells of the microfluidic device. Each lens has a tunable focal length. A tuning structure tunes the focal length of each lens in response to a predetermined stimulus. | 2009-03-19 |
20090073570 | LIGHT CONTROL DEVICES AND METHODS OF MAKING SAME - A light control device is disclosed that includes a two film construction, each film having a plurality of light reflecting regions. For example, the light absorbing elements can be a series of grooves or column-like indentations in the films that are filled or coated with a light reflecting material having a lower index of refraction than that of the films. The two films can be adjacently disposed so that their respective light reflecting regions form a plurality of light reflecting elements that extend along the thickness direction of the device. | 2009-03-19 |
20090073571 | PROJECTING LENS SYSTEM - A projecting lens system includes a first lens positive in power, a second lens negative in power, a third lens positive in power, and a fourth lens positive in power. The projecting lens system meets a criteria of 1.42009-03-19 | |
20090073572 | ZOOM LENS AND IMAGING APPARATUS - A zoom lens includes, in order along an optical axis from a side nearest to a photographic subject to an imaging site, a first lens group I that comprises a positive refraction index and is anchored in place when performing a magnification of an image, a second lens group II that comprises a negative refraction index, a third lens group III that comprises a positive refraction index, a fourth lens group IV that comprises a positive refraction index, a fifth lens group V that comprises a negative refraction index, and a sixth lens group VI that comprises a positive refraction index, wherein, when magnifying from a wide angle end to a telephoto end, the magnification thereof is performed by moving the second lens group II, the fourth lens group IV, and the fifth lens group V, at a minimum, the first lens group I comprises a reflective optical element, which is for refracting a light path therein, an additional lens group VII, comprising a negative refraction index, is interposed between the lens groups of the zoom lens as an additional lens group thereof, at a minimum, and a magnification to a long focal distance that is even longer than the telephoto end is performed thereby. | 2009-03-19 |
20090073573 | Zoom optical system and image taking apparatus using the same - A zoom optical system comprising, in order from an object side: a first lens unit having a negative refractive power; a second lens unit having a positive refractive power; and a third lens unit having a positive refractive power, a space between the lens units being changed to thereby perform zooming and focusing, wherein the first lens unit is constituted of a negative lens. | 2009-03-19 |
20090073574 | ZOOM LENS, IMAGING DEVICE, AND CAMERA HAVING IMAGING DEVICE - A zoom lens has a field view of 60° to 70° at a wide-angle end, a magnification change ratio of about five to six times, and a small number of component lenses, enables retraction to a compact size when not in use, provides high resolution, and is compatible with a compensation function for zoom lens vibrations. Comprised are, in order from an object side, a first lens unit (G | 2009-03-19 |
20090073575 | OPTICAL ZOOM LENS - An optical zoom lens includes, in this order from the object side to the image side thereof, a first lens group of negative refraction power, a second lens group of positive refraction power, and a third lens group of positive refraction power. The optical zoom lens satisfies the formulas of: −0.452009-03-19 | |
20090073576 | Zoom lens system - The present invention is directed to improve prior art zoom lens systems that have groups of lens pieces moved within a lens barrel for the zooming and the focusing and to provide an improved zoom lens system that is simplified and robust in configuration so as to withstand malfunctions well and is capable of effectively and assuredly eliminating stray light. The zoom lens system comprises a first cam barrel rotating about the optical axis and a second cam barrel located inside the first cam barrel in cam-linkage with the same, and the zoom lens system is characterized in that the second cam barrel has openings to let light beams pass through, and that a light-shielding plate like an iris diaphragm is supported by the second cam barrel in position closer to the photographed subject in the second cam barrel so as to shield the light beams that come in from the openings in the second cam barrel after going out of the openings in the second cam barrel and then being reflected from an inner surface of the first cam barrel. | 2009-03-19 |
20090073577 | Super wide angle optical system - A super wide angle optical system including: a first lens group including one or more of irrotational symmetric lens surfaces disposed sequentially from an object side and having, overall, a negative refractive power; an aperture stop for intercepting unnecessary light; and a second lens group including one or more of irrotational symmetric lens surfaces and having, overall, a positive refractive power. | 2009-03-19 |
20090073578 | INCIDENT-LIGHT CONTROLLING APPARATUS - An incident-light controlling apparatus has a first aperture | 2009-03-19 |
20090073579 | Beam-adjusting optics - The present invention provides an optical analyzer having illumination optics that include a light source, such as a laser or other source, adapted to emit a collimated, or approximately collimated, light beam, a focusing lens that focuses the beam onto a focus spot within a detection region, and beam-adjusting optics positioned in the light path between the light beam source and the focusing lens, which allow for precise positioning of the focus spot within the detection region. The beam-adjusting optics of the present invention comprise at least one movable focusing lens, mounted in a positioning device that allows repositioning of the lens in a plane perpendicular to the light path. | 2009-03-19 |
20090073580 | PLASTIC OPTICAL ELEMENT, NEST STRUCTURE, DIE, OPTICAL SCAN APPARATUS AND IMAGE FORMATION APPARATUS - A plastic optical element is provided, which includes an optical element body having a transfer surface which includes at least one laser beam incident portion of a concave shape, and a support portion connected with the optical element body, in which the support portion is disposed in a direction of a tangent line at an end of the transfer surface, and the optical element body and a part of the support portion are molded in the same nest structure. | 2009-03-19 |
20090073581 | LENS BARREL, LENS DRIVING APPARATUS, CAMERA, AND MOBILE INFORMATION TERMINAL - A lens barrel capable of accurately detecting a position of a retractable lens retaining frame. A frame female member for rotating a frame around a lead screw and driving the frame in forward and backward directions along the lead screw is formed with a T-shared protruded member as a detected portion located at a position opposite a rotation-preventing projection. The T-shared member structures a position of the frame together with a transmissive photo-interrupter, to decide a reference position in a retracted state of the frame and for an optical axis entrance completed position of the frame at a time when a transition has changed from a retracted state to a photographable state, and detects a distance from the reference position of the frame or a position of the frame in the photographable state in which a focal distance during wide-angle photographing and telephoto photographing is changed. | 2009-03-19 |
20090073582 | LENS MODULE - A lens module includes a lens holder, a lens, a set collar, and an adhesive to adhere the set collar to the lens holder. The lens is received in the lens holder, and includes an optical portion, and a locating portion around the optical portion. The set collar holds the lens in the lens holder, and defines a central opening aligned with the lens. The set collar defines three cutouts therein and forms three blocks between the cutouts. The locating lens forms three ribs received in the cutouts and interlocked with the blocks, respectively. | 2009-03-19 |
20090073583 | LENS WITH PROTRUSIONS - An exemplary lens includes an active part and a nonactive part. The active part is configured for refracting light traveling therethrough. The nonactive part surrounds the active part. The nonactive part has a plurality of protrusions formed on a surface thereof. The protrusions are structured and arranged along an imaginary substantial circle on the nonactive part. | 2009-03-19 |
20090073584 | LENS POSITION CONTROL DEVICE AND METHOD - Provided is a lens position control device including a driving frequency generating unit that generates a driving frequency for moving the position of a lens and a driving frequency for reducing the moving speed of the lens to re-move the lens in the reverse direction to the moving direction of the lens after the lens is stopped; a lens control unit that is connected to the driving frequency generating unit and is driven by the generated driving frequency so as to move the lens; and a lens position detecting unit that is connected to the driving frequency generating unit and detects the position of the lens to deliver to the driving frequency generating unit. | 2009-03-19 |
20090073585 | LENS DRIVING DEVICE - A lens driving device is provided with a holder that holds a lens, a supporting portion that supports the holder displaceably along an optical axis of the lens, and at least one magnet that is arranged symmetrically with respect to the optical axis on side surfaces of the holder. The supporting portion is provided with a coil so as to face toward the magnet. The supporting portion is also provided with a magnetic member so as to face toward the magnet. | 2009-03-19 |
20090073586 | Analytical laser ablation of solid samples for ICP, ICP-MS, and FAG-MS analysis - The present invention facilitates improvements in laser ablation of solid samples to be analyzed by an external inductively coupled plasma (ICP) emission spectrometer, ICP/mass-spectrometer (ICP-MS), or flowing afterglow (FAG) mass spectrometer (FAG-MS) for elemental analysis (ICP and ICP-MS) or molecular analysis (FAG-MS). A novel invention mirror-with-hole beam combiner eliminates chromatic aberration in the invention sample view and allows rad-hardening the laser ablation invention for use in a radiation hot cell for analysis of high activity nuclear waste. Many other novel invention rad-hardening attributes facilitate a comprehensive rad-hardened laser ablation system (the world's first). In other embodiments, invention novelties include unusually large homogeneous focused laser spot diameters, unusually long laser objective lens focal length, wide range operationally variable laser path length with built-in re-alignment, operationally variable demagnification ratio and diameter of the focused laser spot, the use of significantly higher powered SMR lasers in a large spot diameter to facilitate high sensitivity bulk analysis of solid samples, a demountable and gravitationally self-sealing stack assembly laser ablation cell, and the world's first auto-samplers (mechanized sample changers) for analytical laser ablation. | 2009-03-19 |
20090073587 | Mirror Arrangement of a Laser Processing System - A mirror arrangement for a laser processing system includes a mirror configured to deflect laser radiation incident on the mirror arrangement onto a workpiece. The mirror arrangement includes first, second, and third mirror regions. A surface of the third mirror region is parallel to or recessed from a direction of propagation of the laser radiation incident on the mirror arrangement such that the third mirror region forms a shadow zone. | 2009-03-19 |
20090073588 | SIDE MIRROR ASSEMBLY WITH INTEGRATED SPOTTING MIRROR - A mirror assembly for a motor vehicle includes a base that is fixedly secured to the motor vehicle. A housing is fixedly secured to the base. The housing defines an opening. A mirror is operatively secured to the housing at the opening. The mirror defines a rear view mirror portion and a spotting mirror portion wherein the rear view mirror portion and the spotting mirror portion are fabricated from a unitary structure. | 2009-03-19 |
20090073589 | Frame Comprising A Vibration-Damping Device, Which Is Intended For The Outside Rear-View Mirror Assembly Of A Motor Vehicle - The invention relates to a frame comprising a vibration-damping device, which is intended for the outside rear-view mirror assembly of a motor vehicle. According to the invention, a moving plate bearing a mirror is connected to the inventive frame by means of a knuckle-type joint. Optionally, a case is installed on the frame in order to house a position-adjustment mechanism which is connected to the moving plate and which is actuated in order to vary the position of the plate in relation to two co-ordinate axes. According to the invention, a tab, which projects out from part of the moving plate opposite the frame, is pressed such that it can slide through a damping arrangement comprising a pair of elastic arms which form part of the frame and which extend therefrom. The aforementioned elastic arms are arranged in the form of a clamp in order to form a pressure contact against the opposing faces of the tab. | 2009-03-19 |
20090073590 | VEHICLE MIRROR WITH INTEGRATED LIGHTING - A vehicle mirror with integrated lighting is provided. The vehicle mirror may be a cross-view mirror for a vehicle such as a school bus. The mirror may include a mirror assembly having a mirror lens providing a field of view for a driver of the vehicle and a support affixed to the mirror lens. The mirror lens may include a light transmitting portion configured to allow light to pass through from behind the mirror lens to an area outside of the mirror lens. The vehicle mirror may include a light source positioned within the mirror assembly to emit light through the light transmitting portion of the mirror lens and illuminate the field of view provided by the mirror lens. | 2009-03-19 |
20090073591 | COLOR WHEEL - An exemplary color wheel includes a motor, a color filter and a heat sink. The motor includes a main body, a rotary housing fixed to an end of the main body and a spindle extending outwardly from the rotary housing. The color filter is sleeved around the spindle of the motor. The heat sink is circumferentially positioned to the motor. | 2009-03-19 |
20090073592 | COLOR WHEEL - A color wheel includes a motor defining a rotating portion, a color filter, a sensor and a processor electrically connected to the sensor. The rotating portion defines a groove at the periphery of the rotating portion to aid the sensor in detecting a color index position of the color filter during transmission of light beams to the rotating portion from the sensor. When portions of light beams are striken the groove of the rotating portion, they are substantially absorbed by the groove and cannot be reflected back to the sensor, thereby the sensor can accurately detect the color index position of the color filter during the rotation of the color filter. | 2009-03-19 |
20090073593 | MASTER CARRIER FOR MAGNETIC TRANSFER, MAGNETIC TRANSFER METHOD AND MAGNETIC RECORDING MEDIUM - A master carrier for magnetic transfer includes a transfer portion on which a magnetic layer corresponding to magnetic information for transfer is formed, and a non-transfer portion forming a concave shape relatively low with respect to the transfer portion having the magnetic layer, wherein the magnetic layer of the transfer portion has perpendicular magnetic anisotropy, with residual magnetization Mr of 500 emu/cc or less, and saturation magnetization Ms of 900 emu/cc or more. CoPt can be used as a material of the magnetic layer, and use of Co | 2009-03-19 |
20090073594 | Disk drive device manufacturing method thereof, and method for specifying data track pitch for the disk drive device - Embodiments of the present invention help to increase the capacity and the reliability of a disk drive device to improve the manufacturing yield thereof. An embodiment of the present invention sets a data track pitch for each head slider (recording surface) in accordance with head characteristics. This method for specifying the data track pitch is based on the distance between erase band ends (EBEs) of the both adjacent data tracks. The erase band of a data track is a band defined as the area where the already written data are erased in writing the data track. The distance between the erase band ends of the both adjacent data tracks corresponds to the width SW of the area which is not erased by the adjacent data tracks. Specifying the data track pitch based on this leads to increase in the data capacity of each recording surface and secure prevention of occurrence of a squeeze error. | 2009-03-19 |
20090073595 | METHOD AND APPARATUS FOR EDITING MASS MULTIMEDIA DATA - A method and apparatus for editing multimedia data stored in a disk. The method generates a Block Allocation Table (BAT) in the disk, wherein the BAT records a connection relationship between each of blocks based on a connection relationship between each of data stored in the respective blocks generated by dividing storage space of the disk having a predetermined size; and revises the connection relationship, which is between each of the blocks and is recorded in the BAT, when the connection relationship between each of the blocks is changed. | 2009-03-19 |
20090073596 | HYDRODYNAMIC BEARING DEVICE, AND SPINDLE MOTOR AND INFORMATION PROCESSING APPARATUS EQUIPPED WITH THE SAME - A hydrodynamic bearing device comprises a sleeve composed of a sintered member, a shaft that is inserted in a state of being capable of relative rotation into a bearing hole provided to the sleeve, and a hydrodynamic groove formed in the outer peripheral surface of the shaft and/or the inner peripheral surface of the sleeve. The sleeve has a surface porosity of 1.5% or less, and the ridge width is at least 0.10 mm. | 2009-03-19 |
20090073597 | Magnetic head slider - Embodiments of the present invention provide a magnetic head slider capable of reducing thermal protrusion attributable to a heating mechanism for heat-assisted recording. According to one embodiment, a magnetic head slider for heat-assisted recording includes an insulating film formed on an end surface of a slider, and a read element, a write device and a heating mechanism for heating a recording medium embedded in the insulating film. The heating mechanism includes an optical waveguide and a near-field light emitting device. A heat radiating film of a material having a thermal conductivity higher than that of the insulating film is formed near the heating mechanism so that one end surface thereof is exposed in an air bearing surface. | 2009-03-19 |
20090073598 | DISC DRIVE - A storage medium with electronic paper is provided with a disk drive that can refresh the display on the electronic paper using a simple arrangement. | 2009-03-19 |
20090073599 | Perpendicular magnetic recording medium and magnetic recording and reproducing apparatus using the same - Embodiments of the present invention provide a perpendicular magnetic recording medium suitable for high density recording. According to one embodiment, a magnetic recording layer comprises four layers in which a first magnetic layer, a magnetic coupling layer, a second magnetic layer, and a third magnetic layer are formed above a substrate. The first magnetic layer and the second magnetic layer are perpendicular magnetization films containing an oxide, and ferromagnetically coupled with each other by way of the magnetic coupling layer, and they are, more preferably, a Co alloy layer containing an oxide. The third magnetic layer is ferromagnetically coupled with the second magnetic layer. The concentration of the oxide contained in the third magnetic layer is lower than the concentration of the oxide in the second recording layer, or the third magnetic layer does not contain the oxide. In this case, magnetic property is set for the anisotropic magnetic field Hk1 of the first magnetic layer and the anisotropic magnetic field Hk2 of the second magnetic layer, so as to satisfy: Hk1>Hk2. | 2009-03-19 |
20090073600 | POSITIONING CONTROL SYSTEM AND POSITIONING CONTROL METHOD - There is provided with a positioning control system including: a head moving unit; a position detecting unit detecting a head position at predetermined time intervals; an error detecting unit detecting a position error of the head for a target position; a disturbance detecting unit detecting a non-periodic disturbance; a modifying unit modifying a first position error signal corresponding to a first head position detected in a first rotation period based on a second position error signal corresponding to a second head position detected one period length before; and a feedback controller, wherein the modifying unit modifies the first signal after reducing an amplitude of the second position error signal when a detected timing of the second head position is included in a predetermined time range with respect to a detected timing of the non-periodic disturbance detected in a second rotation period which is one period before the first rotation period. | 2009-03-19 |
20090073601 | Magnetic disk drive and control method thereof - Embodiments of the present invention provide a magnetic disk drive capable of easily suppressing degradation of position error caused by disturbance resulting from vibration from the outside. According to one embodiment, the magnetic disk drive acquires, during a period of time of track following control, data necessary for determining a filtering characteristic required to newly be specified in a peak filter; in association with the start of subsequent seek control, determines the filtering characteristic required to be specified in the peak filter; and specifies the determined filtering characteristic in the peak filter. | 2009-03-19 |
20090073602 | SERVO INFORMATION WRITING METHOD, MAGNETIC HEAD TESTER AND MAGNETIC DISK TESTER USING THE SERVO INFORMATION WRITING METHOD - A mark information is recorded in an area which is on a circumference of a magnetic disk corresponding to a last track in which a servo information write is ended or a track, which is one or two in front of the last track in which servo information is not written and the mark information is detected by returning a magnetic head in a radial direction of the magnetic disk by a fine movement stage after the magnetic head is moved to a next aimed track by a coarse movement stage. The servo information write position is detected by the magnetic head and the servo information is written in a servo information write position of a next track by positioning the magnetic head therein by using the fine movement stage. | 2009-03-19 |
20090073603 | TAPE HEADS FOR USE WITH MULTIPLE TAPE FORMATS - A magnetic head according to one embodiment includes an array of elements, the elements being selected from a group consisting of data readers, data writers, and combinations thereof, wherein a first subset of the elements is operable for reading or writing data in a first tape format, wherein a second subset of the elements is operable for reading or writing data in a second tape format, at least some of the elements being present in both subsets, wherein a spacing of servo bands on a tape written in the first format is different than a spacing of servo bands on a tape written in the second format. | 2009-03-19 |
20090073604 | Distributed servo patterns for data storage media - The invention is directed to a data storage medium that includes a plurality of servo bands distributed across the data storage medium and a plurality of data tracks positioned between each of the plurality of distributed servo bands. The data storage medium comprises a servo band pitch of less than 200 micrometers. The large number of servo bands distributed across the data storage medium with a relatively small servo band pitch reduces the influence of media dimensional instability. In this way, the invention may substantially increase data read head positioning accuracy, especially in the case of narrow track widths. A read head array arranged in a two-dimensional matrix that includes a first servo read head, a second servo read head, and a plurality of data read heads positioned between the first and second servo read heads may be applied to a data storage medium as described herein. | 2009-03-19 |
20090073605 | BI-DIRECTIONAL DEBRIS SWEEPING PROFILE - A bidirectional disc sweep routine accelerates the transducer in a storage device from a first predefined radius toward the inner radius to a second predefined radius, and accelerates the transducer from a third predefined radius toward the outer radius to a fourth predefined radius. | 2009-03-19 |
20090073606 | AIRFLOW DIVERTER PLATE IN A DATA STORAGE DEVICE - A data storage medium has a spinning outer diameter that generates a flow stream. A hub joins to actuator arms that are separated by a slot. The outer diameter and the flow stream pass through the slot. A support plate projects from the hub into the slot and faces in a direction that is generally transverse to the flow stream. A diverter plate is positioned in the slot upstream of the support plate. The diverter plate diverts the flow stream toward the outer diameter. | 2009-03-19 |
20090073607 | Reduction in Particle Rebound Off of Component Surfaces - An enclosure system includes an enclosure and at least one rotating storage medium positioned within the enclosure. The enclosure has a corresponding airflow contaminated with particles. An impact absorbing material is deposited on at least one component in the enclosure and positioned within and traversely to the airflow. The impact absorbing material is configured to reduce rebound velocity of the particles off of the at least one component in the enclosure. | 2009-03-19 |
20090073608 | Perpendicular magnetic recording head - Embodiments of the present invention provide a perpendicular magnetic recording head suitable for high density recording that suppresses erasure after recording by reducing the remanent magnetization Mr of the main magnetic pole and thereby decreasing the squareness S. Accordingly to one embodiment, a main magnetic pole piece of a perpendicular magnetic recording head includes a FeCo ferromagnetic layer, into which a NiFe soft magnetic layer is inserted. Inserting the NiFe soft magnetic layer in a position in the FeCo ferromagnetic layer 1 to 7 mm away from a nonmagnetic layer allows a remanent magnetization Mr to be decreased without changing the number of layers of the nonmagnetic layer or a film thickness of the FeCo ferromagnetic layer. This helps suppress erasure after recording. | 2009-03-19 |
20090073609 | TAPE-BASED DATA STORAGE SYSTEM CAPABLE OF READING AND/OR WRITING MULTIPLE ERROR CORRECTABLE SETS OF DATA - A tape-based data storage system according to one embodiment includes a head having an array of channels for writing a set of data tracks on a magnetic tape; wherein data to be written on the magnetic tape in a given pass of the tape relative to the head is parsed into at least two error correctable sets, wherein each of the error correctable sets is written by a unique subset of the array of channels. A tape-based data storage system according to another embodiment includes a head having an array of channels for reading a set of data tracks on a magnetic tape; wherein data read from the magnetic tape in a given pass of the tape relative to the head includes at least two error correctable sets, wherein each of the error correctable sets is read by a unique subset of the array of channels. | 2009-03-19 |