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US20090109806 TE SIGNAL POLARITY DETERMINING SYSTEM AND RELATED METHOD THEREOF  
A TE signal polarity determining method, includes: (a) obtaining a wobble related signal, an RF related signal, a TE signal and an accessing direction; and (b) determining if an original polarity...
US20080095022 AUTOMATIC BALANCING APPARATUS, ROTATING APPARATUS, DISC DRIVE APPARATUS, BALANCER, AND HOUSING  
An automatic balancing apparatus is disclosed. The automatic balancing apparatus includes a housing, magnetic fluid, and a plurality of balancers. The housing is rotatable. The magnetic fluid is...
US20080094944 Method of controlling th ewriting power of a laser beam and optical recorder  
A method of controlling the writing power of a laser beam in an optical recorder and an optical recorder having means for controlling the writing power of the laser beam are provided. The...
US20080101194 Record Apparatus, Record And Playback System  
A record apparatus includes a media writing unit to record on a disc media information to be recorded stored in a predetermined storage location; a control circuit to record storage-location...
US20140029398 SUSPENSION BOARD WITH CIRCUIT  
A suspension board with circuit includes a conductive pattern, including a slider arranged on a surface side of the suspension board with circuit and mounted with a magnetic head, the magnetic...
US20150003220 SUBMOUNT LAYERS CONFIGURED TO ENHANCE ABSORPTION OF LIGHT PROXIMATE A BONDING FEATURE  
An apparatus includes a submount having a mounting surface and a top surface opposite the mounting surface. A slider has a bonding feature that interfaces with the mounting surface of the...
US20070127351 Optical disk device, semiconductor laser drive device and optical pickup device  
Provided is a device which can reduce waveform distortion of a laser drive signal caused by impedance mismatching between a laser drive device and a semiconductor laser over a wide band, and which...
US20150255098 MULTI-PURPOSE NEAR-FIELD TRANSDUCER HAVING A TEMPERATURE COEFFICIENT OF RESISTANCE  
An apparatus includes a writer, an arrangement comprising a plasmonic near-field transducer (NFT) adjacent the writer and comprising a material having a temperature coefficient of resistance...
US20150085630 MULTI-PURPOSE NEAR-FIELD TRANSDUCER HAVING A TEMPERATURE COEFFICIENT OF RESISTANCE  
An apparatus includes a writer, an arrangement comprising a plasmonic near-field transducer (NFT) adjacent the writer and comprising a material having a temperature coefficient of resistance...
US20070206456 TRAJECTORY MAPPING FOR IMPROVED MOTION-SYSTEM JITTER WHILE MINIMIZING TRACKING ERROR  
Methods and apparatus to compensate for low-frequency tracking errors in motion control of a movable stage are provided. By recording tracking errors during earlier traversal of a trajectory,...
US20080068938 COIL-MANUFACTURING METHOD AND OBJECTIVE-LENS DRIVING APPARATUS  
Of the two coil units 2-1 and 2-2 constituting an upper-stage coil unit, the coil unit 2-1 is passed through the winding of a coil unit 1-2 that constitutes a lower-stage coil unit, together with...
US20100296375 INFORMATION REPRODUCING APPARATUS  
In a case where free space of a local storage becomes smaller than a predetermined threshold while additional contents are downloaded by executing a “BD-Live” function, a screen for deleting old...
US20060245305 System comprising sound reproduction means and ear microphones  
A sound recording and reproduction system comprises ear microphones for recording sound and sound reproduction means for generating sound and means to control the sound signal generated by said...
US20090190452 Device and Method for Controlling Zero-Return of Opto-Mechanical System  
A device for controlling zero-return of an opto-mechanical system of an optical disc drive is provided. The opto-mechanical system has an optical pickup head for reading data from an optical disc....
US20130107691 OPTICAL PICKUP AND OPTICAL DISC DEVICE INCLUDING THE SAME  
In an embodiment, an optical pickup includes at least one light source for selectively emitting three light beams having blue, red, and infrared wavelengths, respectively, and an objective lens...
US20100089985 Envelopes with recordable and pre-recorded sound  
An envelope having a sound mechanism for storing a recorded or prerecorded audible signal or sound for playback upon opening the envelope, the sound mechanism including components of a sound...
US20120075981 OPTICAL PICKUP DEVICE  
Two light flux areas are disposed in a direction along which a pair of vertically opposite angles defined by first and second straight lines are aligned, and the other two light flux areas are...
US20150138940 PLAYBACK APPARATUS AND DISK INFORMATION DISPLAY METHOD  
When a playback unit 1 is playing back a pause area, a display controller 4 associates the track number of the track played back just before the pause area with the pause area, and causes a...
US20090067303 DATA STORAGE DEVICE USING TWO TYPES OR STORAGE MEDIUM  
A data storage device includes two data storage media: both a hard disk and a non-volatile solid state memory device, such as a flash memory. Data received by the data storage device for storage...
US20090323498 Optical Pickup Device and Method of Manufacture Therefor  
An optical pickup device includes a holder which holds an LD and a light-receiving element and an optical pickup case on which the holder is adhesively fixed via an ultraviolet cure adhesive, and...
US20070280091 Compound Lens Having a Sealing Configuration Suitable For Motor Vehicles  
An optical recording unit having a compound lens which includes a lens stack. The lens stack encompasses a plurality of lenses, which are inset in a tubular housing. The lens stack includes a...
US20060140086 Optical data write/reproduce device for determining optimum write strategy and writing data according to optimum writ strategy, and method thereof  
An optical write and reproduce device is provided to determine an optimum write strategy from a broader selection of choices. The optical write and reproduce device has an optical pick-up part for...
US20080285399 Recorder, Player, and Recorder/Player  
An apparatus according to the present invention includes a write compensation section, which generates a write signal to write information on an information storage medium, and a writing section...
US20070217308 Header region protection apparatus and method of optical storage medium  
A header region protection apparatus of an optical storage medium. The apparatus comprises an encoder, a header location generator, and a header protector. The encoder converts user data to an EFM...
US20080253257 Phase-Conjugate Read-Out in a Holographic Data Storage  
The invention relates to a holographic data storage medium (4) in which there are sections (20) which are used for data storage and sections (21) which are not. A diffractive structure (30a, 30b)...
US20060098566 Method for generating a circular periodic structure on a basic support material  
The present invention is directed to a method for the generation of periodic curved structures in a basic support material such as the basic layer for the magnetic bit cells of a magnetic storage...
US20080192615 Actuator for an Optical Scanning Device  
An optical pickup actuator for scanning an optical record carrier comprises a first section having an objective system and second section having an optical element with large position tolerances...
US20140247706 PLASMON GENERATOR INCLUDING TWO PORTIONS MADE OF DIFFERENT METALS  
A plasmon generator has a front end face located in a medium facing surface of a magnetic head. The plasmon generator includes a first portion formed of a first metal material and a second portion...
US20090290477 OPTICAL DISK REPRODUCING DEVICE  
An optical disk reproduction apparatus according to the present invention is an optical disk reproduction apparatus capable of reading information from the NBCA of an optical disk 101 having an...
US20050254358 Heat radiating structure of a digital camera  
A heat radiating structure of a digital camera includes an optical system holder which holds an image-forming optical system; an image pickup device supported by the optical system holder; an...
US20060245320 Copying copy protectd optical discs  
To copy a copy protected DVD (32), and thereby subvert the copy prot-ection technique, a DVD drive (50) is controlled by a disc copying program (54) to access data at a level other than that at...
US20050063278 Method of directly reproducing main title and disc player using the same  
Provided are a method of directly detecting and reproducing a main title stored in a disc in a read mode, a disc player using the same, and a computer readable medium of instructions for...
US20090103414 COOLING IN HIGH-DENSITY STORAGE SYSTEMS  
In one embodiment an enclosure for a high-density storage system, comprises a backplane to which a plurality of data storage devices may be coupled, a front panel opposite the backplane and...
US20070297082 Near-field optical transducers having a tilted metallic pin  
An optical transducer includes an optical element for directing an electromagnetic wave to a focal region and a metallic nano-structure having a longitudinal axis non-parallel to an electric field...
US20080130461 Holographic Storage with Homodyne Detection  
The invention concerns the field of holographic storage units. More particularly, the invention concerns the field of holographic storage units used for bit-by-bit storage of information. It...
US20080074959 ELECTROMAGNETIC WRITE HEADS AND BACKPLANES FOR USE IN BI-STABLE, REFLECTIVE MAGNETO OPTICAL DISPLAYS  
A write head for use in a bistable, magnetic optical display comprising one or more conducting coils configured to generate a magnetic field that is substantially perpendicular to the axis of...
US20070201340 Holographic storage medium  
The present invention relates to a holographic storage medium, and more specifically to a holographic storage medium with an improved servo architecture for precise positioning of a laser beam in...
US20050094505 Optical pickup apparatus, optical disk apparatus and optical pickup adjustment method  
An optical pickup apparatus is disclosed which can be formed in a minimized thickness while realizing improvement in focusing servo performance, improvement in heat radiation, reduction of the...
US20050002298 System and method for discriminating recording area of optical storage medium  
An optical discriminating system is for discriminating whether a reflected light beam is from headers of an optical storage medium. Each header comprises a first embossed position and a second...
US20060092783 Disc drive for an optical scanning device  
The invention relates to an optical disc drive that comprises rotating means, defining a rotating axis for an optical disc, and an optical scanning device, for scanning said optical disc with a...
US20050117467 Carriage servo apparatus, information reproduction apparatus and carriage servo control method  
A carriage servo apparatus according to the present invention comprises: a carriage for supporting a pickup that records or reproduces information relevant to an information recording face; and a...
US20110273975 SENSING DEVICE  
A sensing device including a base, a pillar, an arm, a sensing element and a driving module is provided. The base has a supporting surface suitable for supporting the object. The pillar is...
US20100020662 Automatic Unthread to Secure Tape From Sticking to the Head  
A system and method for automatically unthreading a tape. The system and method determine whether the drive being at the stop state could cause the tape sticking condition in future after a...
US20050185523 Storage apparatus with a function for displaying volume information  
The present invention describes a storage apparatus with a function for displaying volume information with at least one built-in storage medium or connecting to at least one outside storage...
US20060171288 Optical disk assay device, system and method  
An optically readable device is provided for use in an assay process, where the device includes a surface readable by an optical reading device and at least one binder located on the surface for...
US20090154312 Drive Signal Generation Circuit  
A drive signal generation circuit comprising: a tracking signal output circuit to output a tracking signal based on an error signal indicating a track deviation of laser light output from the...
US20060140080 MULTI-FUNCTION DIGITAL OPTICAL DISC PLAYER  
A multi-function digital video optical disc player includes a housing; an optical disc drive installed inside the housing for reading a first video data from an optical disc; a tape drive...
US20050068881 Optical pick-up system, optical pick-up device, and optical information recording and/or reproducing apparatus  
An optical pick-up system comprising: a first light source for projecting a first light flux having a wavelength of not more than 450 nm; a second light source for projecting a second light flux...
US20070171775 Objective lens driving device  
An objective lens driving device include: a lens holder, which holds an objective lens that converges light of a light source so that information is recorded or reproduced; and bar-like elastic...
US20090231965 Method for setting spherical aberration correction and device using the method  
A method for setting the spherical aberration correction of a scanning beam in a device for scanning an information layer of an optical record carrier. The method comprises the following steps:...