Sign up


Match Document Document Title
US20050243664 Method and device for long-range track seeking control in an optical storage system  
A device for long-range track seeking control in an optical storage system includes a controller that calculates a track displacement count based on initial and target track positions of an optical...
US20080137490 OPTICAL DISC WITH ANGULAR INFORMATION AND SYSTEM FOR DETECTING ANGULAR INFORMATION AND RELATED METHOD THEREOF  
Disclosed is an optical disc having angular information and a wobble track. A wobble signal generated according to the wobble track includes a phase corresponding to an angle of the optical disc. A...
US20080213625 Optical Data Storage and Retrieval Based on Fluorescent and Photochromic Components  
An optical storage medium 100 has a multilayer structure that includes a photochromic layer 110 having a thermally-stable photochromic compound, and a fluorescent layer 120 having a fluorescent...
US20060203692 Optical pickup apparatus and objective optical unit  
An optical pickup apparatus includes: a first light source for emitting a first light flux; a second light source for emitting a second light flux; a third light source for emitting a third light...
US20100097911 System and method for inter-connectable multi-track media-based trading cards  
There are provided systems and methods for inter-connectable multi-track media-based cards. There is provided a card for media playback, the card comprising a media output, a memory storing at...
US20080062244 Laser writing  
Various methods and embodiments for laser writing are disclosed.
US20050265172 Multi-channel audio/video system and authoring standard  
A multimedia format for karaoke includes a first channel featuring a first performance of a song that is playable through a first speaker, a second channel featuring a synchronized second...
US20080232206 TRACK DETERMINATION  
A light beam is scanned on a track of a recording medium, the track having a first track region and a second track region, each track region having a physical property that has recurring...
US20070189146 ATTENUATION-AMOUNT ADJUSTING CIRCUIT, OPTICAL DISK DRIVE DEVICE, ATTENUATION-AMOUNT ADJUSTING METHOD, AND ADDRESS-INFORMATION ACQUIRING METHOD  
An attenuation-amount adjusting circuit includes: a light irradiating unit that alternately irradiates a laser beam of a writing level and a laser beam of a readout level on an optical disk that...
US20070268793 Optical recording medium drive and optical pickup  
An optical recording medium drive allows a support body to define a hollow space having the inner end and the outer end defining an optical opening. The hollow space is surrounded by the inside...
US20080115018 Control system for an optical storage device  
A control system determines read performance of an optical storage device according to lock performance of a re-timing signal. The control system includes a filtering and re-timing unit for...
US20080056012 Method for prioritized erasure of flash memory  
A method for prioritized erasure of a non-volatile storage device, the method including the steps of: providing at least one flash unit of the storage device, wherein each flash unit has a...
US20120275277 AUDIO MIXING METHOD AND AUDIO MIXING APPARATUS CAPABLE OF PROCESSING AND/OR MIXING AUDIO INPUTS INDIVIDUALLY  
An audio mixing method includes: performing an audio processing operation upon a first audio input derived from at least one decoded audio input to generate a processed audio output, and generating...
US20080253239 OPTICAL PICKUP AND METHOD FOR MANUFACTURING THE SAME  
To increase the speed of operations and improve vibration properties by rotating holders to wind coils in objective lens driving means of an optical pickup. In an optical pickup wherein a tracking...
US20100054095 POWER SAVING METHOD FOR OPTICAL DISK DRIVE OF RUGGED ELECTRONIC DEVICE  
A power saving method for an optical disk drive of a rugged electronic device is described. In the method, whether a watertight lid outside the optical disk drive is in open/closed state is...
US20050254400 Optical pickup apparatus including optical system of chromatic aberration correction  
Provided is an optical pickup apparatus which is inexpensive and has sufficient chromatic aberration correction performance, and which includes a chromatic aberration correction optical system...
US20060280102 Optical disk drive with micro-SIL  
A small form factor optical disk drive is provided that incorporates a SIL/objective lens assembly. A laser for the small form factor optical disk drive has a coherence function having maxima...
US20090168614 SPHERICAL ABERRATION CORRECTION APPARATUS AND SPHERICAL ABERRATION CORRECTION METHOD  
According to one embodiment, a spherical aberration correction apparatus includes a pickup which applies laser light to an optical disk through an objective lens, a photodetector which detects...
US20140050067 OPTICAL DISC DRIVE, USER TERMINAL, AND FILE PROCESSING METHOD  
Provided is a system including an optical disc drive and a user terminal, and a method of processing a file. The optical disc drive may be connected to the user terminal. According to various...
US20090141596 TIMESHIFTING FOR A MULTIPLE-TUNER VEHICLE RADIO SYSTEM  
Methods and apparatus are provided for timeshifting audio content in a multiple tuner audio system comprising a first tuner and a second tuner. One operating method involves maintaining a first...
US20090296557 OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS  
There is provided an optical information recording/reproducing apparatus having an optical disc drive unit for driving an optical disc mounted, a hologram disc drive unit for driving a hologram...
US20080123202 Actuator For An Optical Scanner  
The present invention relates to an actuator for a scanner for optical storage media, and to an appliance for reading from and/or writing to optical storage media which uses an actuator such as...
US20120281518 OPTICAL PICKUP  
An optical pickup has an objective lens that is shared for light of three wavelengths. The effective diameter of the light that passes through the objective lens decreases in a sequence of the...
US20100061201 BUFFER MANAGEMENT METHOD AND APPARATUS THEREOF  
A control unit accesses a memory. The memory includes a plurality of blocks. The control unit includes a batch buffer, a batch controller and a multiplexer. The batch buffer stores a batch which...
US20050108741 Disc drive or player for reading double-sided optical discs  
A double-sided optical disc, such as a DVD-18 disc, is formed with data tracks on each layer. The tracks on one side are oriented along one spiral while the tracks on the other side are oriented...
US20090168625 Micro-optical pickup  
A dynamic micro-machined optical device is applied in a micro-optical pickup. The micro-optical pickup includes an actuator and a dynamic grating, wherein the actuator may be a cantilever beam...
US20130003518 OPTICAL PICKUP DEVICE AND METHOD OF MANUFACTURING THE SAME  
Provided is an optical pickup device capable of preventing a soldering work from physically damaging any part of a housing of the optical pickup device. In the optical pickup device to be provided,...
US20080080340 Optical pickup unit capable of preventing a laser diode from destroying from static electricity  
An optical pickup unit includes an optical base and at least one laser diode mounted on an outer wall of the optical base. The laser diode has a base portion, and an LD terminal and a GND terminal...
US20060087929 Optical disk drive using one dimensional scanning  
A system for optical scanning along one line with fast random access and high optical resolution, composed of: a plurality of first lenslets (240) constructed for use with a selected media format...
US20050201211 Annealing device and annealing method  
The present invention is directed to an annealing apparatus adapted for performing anneal processing with respect to a magneto optical recording medium, which comprises a diffraction optical unit...
US20060083149 Protect circuit for optical disk drives  
This invention relates to a protect circuit of an optical disk drive, which comprises a discharge circuit being at least connected to a first DC voltage and a ground terminal, wherein the first DC...
US20070002718 OPTICAL HEAD DEVICE AND METHOD OF MANUFACTURING OPTICAL HEAD DEVICE  
An optical head device comprises a frame-type laser photo emitter having a semiconductor laser chip mounted on a lead frame. The frame is molded of resin and opens on a side where the chip is...
US20060028960 Optical device for monitor and optical pickup apparatus  
A monitor optical device has a first region and a second region. The first region transmits part of light beam emitted from a light source to introduce the transmitted light beam to a monitor...
US20070237054 Aberration correcting device, program thereof and disc apparatus equipped with the device  
In disc discrimination operation of aberration correcting device including: light sources corresponding to n types (n is natural number, ≧2) of discs; and liquid crystal element having plurality o...
US20070268794 Beam splitter configuration  
A beam splitter configuration includes at least one beam splitting system for splitting a light beam into a number of partial beams. The beam splitting system includes at least one first and at...
US20060203631 Land/groove track and pickup head movement direction detection  
A detector is scanned across an optical storage medium having groove tracks and land tracks, each track having a wobble structure, to detect light reflected from the optical storage medium. A...
US20110013501 UNIVERSAL MULTIMEDIA DISTRIBUTION, STORAGE, AND PLAYBACK SYSTEMS AND METHODS  
Universal multimedia distribution, storage, and playback systems, devices, and methods are disclosed herein. A media distribution kiosk located at a retail establishment provides a user with access...
US20140376350 DEVICES INCLUDING A GAS BARRIER LAYER  
Devices that include a near field transducer (NFT); a gas barrier layer positioned on at least a portion of the NFT; and a wear resistance layer positioned on at least a portion of the gas barrier...
US20070047395 Optical disk shred operation with detection  
Data protection and security is provided by incorporating a data shredding operation which renders data previously stored on storage media unrecoverable. In the shredding operation of the present...
US20110255384 BOOKMARKING DIGITAL CONTENT ON BLU-RAY DISCS  
Described herein is a method of creating a bookmark to access digital content, including content on a Blu-ray disc. The method calls for extracting title and playlist information from a playback...
US20080159107 Copying apparatus for copying a recoding medium, a method thereof and a computer program thereof  
A Copying Apparatus for copying a recoding medium, a method thereof and a computer program thereof is provided, wherein the recording medium is copy-protected by a predetermined method.
US20090168616 SPHERICAL ABERRATION COMPENSATION METHOD OF OPTICAL STORAGE DEVICE  
A spherical aberration compensation method of an optical storage device is provided. The method includes: deriving a first spherical aberration compensation value corresponding to a first track...
US20090310461 LIGHT SOURCE DRIVE, OPTICAL PICKUP UNIT WHEREIN THE LIGHT SOURCE DRIVE IS INSTALLED, OPTICAL DISC DRIVE WHEREIN THE OPTICAL PICKUP UNIT IS INSTALLED, AND INFORMATION TERMINAL WHEREIN THE OPTICAL DISC DRIVE IS INSTALLED  
In a voltage conversion section 154 for converting a supply voltage from a battery 206 for driving a light source 71 into a supply voltage to an LD drive section 116, the supply voltage to the LD...
US20070053250 Removable Laser Disc Mass Storage Device with Onboard Fast Access Memory  
This invention is a mass storage system based on laser disc technology. While there are various laser discs players available, they are all aimed at serving an audio/visual entertainment purpose...
US20050068856 Method of on-line adjusting a sled motor control signal (FMO)  
A method of on-line adjusting a sled motor control signal (FMO) is disclosed. First, a predetermined FMO is assigned to move a sled for seeking, and a photo signal is monitored. The number of...
US20060104165 Pickup head feeding apparatus  
An apparatus for feeding a pickup head in a radial direction of a disk includes a guiding device, a driving source, a feeding screw, a connecting base, and an elastic member. The guiding device...
US20070121469 HOLOGRAPHIC OPTICAL PICKUP APPARATUS  
Provided is a holographic optical pickup apparatus which can be reduced in thickness and production cost while having a beam shaping unit. To be specific, in a holographic optical pickup apparatus...
US20080080327 Information leak-preventing apparatus, and information leak-preventing method  
A command processing unit outputs a format command to an HDD. While the HDD is being formatted, a format-error causing unit outputs a reset command to the HDD. The reset command causes abnormal end...
US20080198727 Optical Pickup Unit for a Desk Drive and Disk Drive Comprising Such an Optical Pick up Unit  
An optical pickup unit for an optical disk drive, comprises a lens holder (27) including a lens having an optical axis, suspension wire members (33-36) suspend the lens holder (27) in a support...
US20070097835 Optical pick-up having a rotary arm actuator  
A pivoting optical readout device is described in which two folding mirrors (121, 122) are used in an optical path (21) between an optical information carrier and a photodetector unit (112), for...