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US20140334275 TRANSDUCER HEAD TEMPERATURE MONITORING  
Changes in the thermal boundary condition near a close point of an ABS to a media indicate proximity of the ABS with the media. Before contact, heat conduction from the ABS is primarily through...
US20120201108 TRANSDUCER HEAD TEMPERATURE MONITORING  
Changes in the thermal boundary condition near a close point of an ABS to a media indicate proximity of the ABS with the media. Before contact, heat conduction from the ABS is primarily through...
US20100278031 ULTRAVIOLET-CURABLE COMPOSITION FOR OPTICAL DISK AND OPTICAL DISK  
With branched epoxy(meth)acrylate which comprises a phenyl skeleton serving as a stiff molecular skeleton, and which comprises in the molecular skeleton a number of branched structures capable of...
US20070121430 Intelligent digital audiovisual reproduction system  
Payment-based audiovisual playback system characterized by comprising a microprocessor unit, primarily including storage means for storing inter alia in digital form the visual and sound...
US20140376349 DEVICES INCLUDING AT LEAST ONE ADHESION LAYER AND METHODS OF FORMING ADHESION LAYERS  
Devices that include a near field transducer (NFT), the NFT having a disc and a peg, and the peg having five surfaces thereof; and at least one adhesion layer positioned on at least one of the...
US20080165635 Estimation of Maximum Available Write Power of an Optical Storage Drive  
In summary, the present invention provides a method for estimating maximum available write power of an optical storage drive. Optical drives have a certain guaranteed maximum power corresponding...
US20060083125 Optical disk device and seek method in optical disk device  
An optical disk device executes a seek operation to move an irradiation position of light beam on an optical disk to a track of a target address. During execution of a seek operation through a...
US20140268403 TAPE FRICTION MEASUREMENT  
According to one embodiment, a method includes determining whether a primary velocity is valid and/or in a steady state; averaging a velocity error over a predetermined time period upon...
US20070081438 DVD-R/RW and DVD+R/RW Recorders  
A method and apparatus for recording data at specific locations on a DVD includes selectively detecting the occurrence of wobble sync during a window computed from previous occurrences of wobble...
US20130279315 NEAR FIELD TRANSDUCERS INCLUDING NITRIDE MATERIALS  
An apparatus that includes a near field transducer, the near field transducer including an electrically conductive nitride.
US20090010134 Holographic storage medium with integrated phase mask  
The present invention relates to a holographic storage medium, and more specifically to a holographic storage medium with an integrated phase mask layer. According to the invention, the...
US20100067356 OPTICAL ELEMENT FOR OPTICAL PICKUP DEVICE, OPTICAL PICKUP DEVICE AND METHOD FOR ASSEMBLING OPTICAL PICKUP DEVICE  
An optical element for an optical pickup device which can record and/or reproduce information interchangeably with an optical disc while correcting coma satisfactorily, and a compact optical...
US20090262609 DISC TRANSPORTATION MECHANISM AND DISK PROCESSING DEVICE  
A disc transportation mechanism for a disc processing device holds and transports discs by gripping the center hole of the disc. The disc transportation mechanism has a hole position detector and...
US20060005216 Transducer assembly for thermally assisted writing and read back in data storage devices  
A transducer assembly for a data storage system comprises a first transducer for directing electromagnetic radiation onto a storage medium adjacent to a write pole, and a second transducer for...
US20090328083 EJECTION OF STORAGE DRIVES IN A COMPUTING NETWORK  
A method for managing a storage system comprises ejecting a first drive in the storage system having a plurality of drives, in response to determining a fault associated with the first drive,...
US20140355401 POLARIZATION ROTATOR  
Implementations disclosed herein allow a magneto-optical polarization rotator to couple light from a light source of a HAMR recording device to waveguide attached to a slider. According to one...
US20140119166 System Circuit Board and Computer  
A system circuit board and a computer are presented. The system circuit board includes a processor and a hard disk (HD) indicator circuit. The HD indicator circuit includes a first switch, a first...
US20090213719 OPTICAL ENCODING DISC AND OPTICAL ENCODER HAVING SAME  
An exemplary optical encoding disc includes a plurality of concentric annular tracks. Each track includes a plurality of coding units. Each coding unit includes a light converging portion and a...
US20050265160 Disk information display device  
A disk information display device capable of displaying display data responding to the operation of operating part in a complete and in real time, the disk information display device includes: a...
US20090073860 LENS CLEANER DISC  
A cleaning disc for a media reading device having a laser lens. The cleaning disc includes a first surface configured to face the laser lens, a brush extending outwardly from the first surface,...
US20090016204 Thin Optical Disc Having Remote Reading Capability  
In accordance with the teachings of the present invention, a thin optical disc having remote reading capability is provided. In accordance with a particular embodiment of the present invention,...
US20100085863 RETUNING OF FERROELECTRIC MEDIA BUILT-IN-BIAS  
Provided herein are embodiments for adjusting a built-in bias of a media including a conductive layer and a ferroelectric layer above the conductive layer. In certain embodiments, a voltage signal...
US20050219965 Record medium reproduction unit and method for recognizing record medium of reproduction unit  
A record medium reproduction unit has a main casing, a transfer device, a pair of sensing pins, a sensing device, and a decision device. The transfer device transfers a larger disk record medium...
US20090129233 Shift-insensitive storage of information in page oriented optical data storage systems  
A data page for optical data storage for an optical storage system, i.e. a holographic storage system, is presented. The data page includes one or more areas, which are less sensitive against a...
US20070237038 Range-Peeling For Punching Masks in Volume Rendering  
Rendering with a punching mask is performed without voxelization. A plurality of sub-volumes are identified as a function of the punching mask. The sub-volumes are generally layered in range. Each...
US20090274031 OPTICAL PICKUP AND INFORMATION DEVICE  
An optical pickup for irradiating an information recording medium, such as a DVD, with a laser beam when an information signal is recorded or reproduced, and information equipment provided with...
US20090245070 Suspension Arm Actuator For an Optical Scanning Device  
The invention relates to a suspension arm actuator for an optical scanning device, comprising a suspension arm designed as a two-arm lever and allocated to an optical recording carrier. The...
US20090122683 Optical disc playback device  
An optical disc playback device has a signal generating section, a shift set section, a shift drive section, a position storage section, an ascent/descent set section and an ascent/descent drive...
US20080279057 ASSEMBLING METHOD FOR OPTICAL SYSTEM OF OPTICAL PICK-UP  
There is provided an assembling method for expanding a maximum admissible astigmatism of objective lens which includes defining a maximum admissible astigmatism for the entire optical system,...
US20060067201 Single-base DVD  
A single-base DVD has a disk base and a recording layer. The disk base composed of polycarbonate is 0.6 millimeter (mm) thick and has a center, two faces, an edge, a centering hole, an outer...
US20120162817 REDUCING PARTICLES ADHERING TO A HARD DISK  
A spoiler of a hard disk drive including a body portion coupled with a housing of the hard disk drive and adjacent to a hard disk, and an end portion coupled with the body portion, the end portion...
US20140064048 Scalable Storage Protection  
The disclosure is directed to protecting data of a scalable storage system. A scalable storage system includes a plurality of nodes, each of the nodes having directly-attached storage (DAS), such...
US20070291609 TILT ERROR DETECTING DEVICE, TILT CALIBRATING DEVICE, AND METHODS THEREOF FOR OPTICAL STORAGE DEVICE  
The present invention discloses a tilt error detecting device for detecting a tilt error signal indicative of a tilt error between an optical disc and an optical pick-up head. The tilt error...
US20090086600 OPTICAL DISC DRIVE APPARATUS, CAMERA APPARATUS, AND METHOD FOR CONTROLLING TILT OF LIGHT BEAM IN ACCORDANCE WITH SKEW IN OPTICAL DISC  
An optical disc drive apparatus includes a rotatably supporting drive unit supporting an optical disc, an optical pickup, an angular velocity sensor detecting the magnitude and direction of an...
US20080025163 Optical disc drive apparatus and servo control method for optical disc drive apparatus  
An optical disc drive apparatus may include an optical pickup that moves along a transportation shaft provided along a radial direction of an optical disc and picks up reflected light after...
US20060227673 Player device  
A player device uses playlists having names of contents. Users can update the playlists via network. The player device includes a storage device for storing digital data of the contents, a...
US20110096647 Optical Disc Apparatus  
An optical disc apparatus including means for calculating a spherical aberration correction quantity of an object lens, reproduced information signal generation means and spherical aberration...
US20080259777 Optical Pickup Device and Optical Disc Device  
An optical pickup device 11 according to the present invention includes: a light source 1 that emits a light beam; a condensing element 5 for condensing the light beam toward an information...
US20070206466 OPTIMUM POWER CONTROL FOR OPTICAL STORAGE MEDIA  
An optimal power calibration process in which an OPC process is performed on the outer OPC area (12) of an optical disc (10) at a plurality of write speeds a, b and c, and an OPC process is also...
US20080304392 Hologram Storage System  
A hologram storage system having a plurality of data bits groups (each data bits group is related to each other, and all these data bits groups together constituted to a codeword) stored on...
US20120287767 DIFFRACTION GRATING, ABERRATION CORRECTION ELEMENT AND OPTICAL HEAD DEVICE  
There is provided a diffraction grating including a convex portion and a concave portion which are used for lights having different wavelengths λ1, λ2 and λ3 and are alternately disposed on at...
US20110141873 DIFFRACTION GRATING, ABERRATION CORRECTION ELEMENT AND OPTICAL HEAD DEVICE  
There is provided a diffraction grating including a convex portion and a concave portion which are used for lights having different wavelengths λ1, λ2 and λ3 and are alternately disposed on at...
US20050213482 Multi-track mastering techniques  
Mastering techniques are described that can improve the quality of a master used in data storage disk manufacturing. In particular, multi-spot mastering techniques and interferometric mastering...
US20110102934 CANCELLATION OF TIME-VARYING PERIODIC DISTURBANCES IN SERVO CONTROL SYSTEMS  
Various embodiments for addressing time-varying periodic disturbances in a servo control system are provided. Each of a plurality of coefficients is updated based on an estimation of at least one...
US20070025215 Disk reproducing device provided with pickup lens dirt detection function  
The invention provides a disk reproducing device capable of automatically detecting dirt on a lens without using any additional members. A pickup unit 5 reads a video signal of a storage medium 2,...
US20070008835 Disk elevator system  
Systems and methods are provided for transporting disks. In one implementation, a disk handling system is provided. The disk handling system includes a dispenser operable to dispense individual...
US20150124575 NEAR-FIELD LIGHT GENERATOR INCLUDING A WAVEGUIDE AND A PLASMON GENERATOR  
A plasmon generator includes a first portion and a second portion that are adjacent in a first direction orthogonal to the direction of travel of light propagating through a core. The second...
US20080198487 Single step method for transferring digital motion pictures to movie theater systems  
The disclosure is directed to techniques for transferring data files representing a digital motion picture to a motion picture system within a theater in a single step. More specifically, the...
US20090135704 RETAINING BODY AND THE LIKE  
The present invention provides a retaining body and the like which adjust a diffraction state of a laser beam using a simple configuration. The retaining body of the invention is a retaining body...
US20130235707 HAMR NFT MATERIALS WITH IMPROVED THERMAL STABILITY  
A near field transducer includes gold and at least one dopant. The dopant can include at least one of: Cu, Rh, Ru, Ag, Ta, Cr, Al, Zr, V, Pd, Ir, Co, W, Ti, Mg, Fe, or Mo. The dopant concentration...