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US20050232098 Method for track jump control  
The present invention relates to a method for controlling a track jump on an optical recording medium, and to an apparatus for reading from and/or writing to optical recording media using such...
US20060262687 Reproduction method, optical disk drive, and IC circuit  
In an optical disk drive that is equipped with a binarization circuit by the PRML method and carries out record/reproduction at a speed higher than a standard speed, to realize reproduction...
US20050147014 3D stereo DVD and CD-R related products  
The present invention uses different materials to produce a stereo lenticular lens replacing the transparent disk of original DVD related products, or adding on CD-R disk in every means to achieve...
US20070171793 METHOD AND DEVICE FOR SCANNING A DISC-SHAPED INFORMATION STORAGE MEDIUM  
A method (100; 200; 300; 400; 500) for scanning a track of a disc-shaped storage medium (2) comprises the steps of: receiving (101; 201; 301; 401; 501) at least one scanning command; calculating...
US20090274023 DISC DRIVE AND PHOTO-DETECTOR CIRCUITS  
A method of reducing power dissipation in a variable-gain photo-detector circuit is described. The variable-gain photo-detector circuit has an output to output a main spot signal and at least one...
US20080247288 Optical Disk Drive and Tracking Error Detection Method For an Optical Disk Drive  
The present invention relates to a tracking error detection method for an optical storage system wherein an optical disk comprises a plurality of adjacent track portions with a radial track...
US20050063256 Data storage in optical discs  
A device for preventing and controlling copying of data from an optical storage disc utilizing physical modifications in or on a storage capable optical disc. Also described is a method for...
US20050169150 Method to display visual information  
A method is disclosed to display visual information. The method supplies an optical disk comprising encoded information, an optical disk drive assembly capable of reading that encoded information,...
US20050052974 Optical disc apparatus  
In an optical disc apparatus 1, an optical pickup 10a for CD/DVD combo and an optical pickup 10b for BD are fixedly disposed across a spindle motor 12 so as to face each other, and the spindle...
US20080019226 Hierarchical storage apparatus and method for managing storage medium thereof  
A hierarchical storage apparatus includes primary hierarchical storage connected to a host and storing information, a secondary hierarchical storage storing information, a hierarchical control...
US20090279405 OPTICAL DISC DRIVE, OPTICAL STORAGE MEDIUM, OPTICAL STORAGE MEDIUM INSPECTION APPARATUS, AND OPTICAL STORAGE MEDIUM INSPECTION METHOD  
An optical disc drive having an optical pickup head emitting a light beam to an optical storage medium, detecting the light beam reflected from the optical storage medium, and outputting a signal...
US20070217320 RECORD CARRIER WITH IMPROVE MODULATION AND ASYMMETRY  
The invention relates to a record carrier comprising a train of marks and lands (14, 15, 23), which has a plurality of marks comprising shortest marks (1) and other marks (2) and a plurality of...
US20080253263 Optical head device and diffractive element, optical information apparatus, computer, disc player, car navigation system, optical disc recorder, and vehicle  
In an optical head device responding to optical disc of different track pitches, an effect of both obtaining the tracking error signal by the optimum DPP method using a single diffractive element...
US20050058045 Method of controlling a sled motor control signal  
A method of controlling a sled motor control signal (FMO) is disclosed. First, a predetermined FMO is assigned to move a sled, and a photo signal is monitored. The FMO is off after a predetermined...
US20100074093 Protection Cover of Pick-Up Head  
The invention provides a protection cover of a pick-up head provided on a traverse of an optical drive. A plate flatly is positioned on an upper surface of the traverse, and the plate has a slot,...
US20090274016 MAGNETO-OPTICAL DEVICE  
A magneto-optical device is disclosed that includes a non-magnetic support body and a fine particle arrangement layer on the non-magnetic support body. The fine particle arrangement layer includes...
US20060140071 Objective lens optical part for optical pickup device and focusing method using the same  
The present invention relates to an objective lens optical part for an optical pickup device and a focusing method using the same. The focusing method at least includes the steps of providing a...
US20090213713 LATCHING MECHANISM FOR FOLDING DRIVE BAY DOOR  
An exemplary latching mechanism for folding drive bay door (10) includes a cover panel (12), two brackets (14), two link members (184), a rotatable member (16), and two elastic members (22). The...
US20140140182 Harmonic Ratio Based Defect Classifier  
The disclosure is directed to a system and method for detecting and classifying at least one media defect. A periodic pattern is written to a medium to yield at least one waveform. The magnitude...
US20060018214 Assembly method of optical pickup and optical pickup apparatus  
A method for assembling an optical pickup apparatus for recording/reproducing a high density DVD, DVD and CD including two objective lens and three laser light sources, the objective lenses being...
US20110310724 DAMPING VIBRATIONS WITHIN STORAGE DEVICE TESTING SYSTEMS  
A storage device test slot includes a housing. The housing defines a test compartment for receiving a storage device for testing. One or more tuned mass dampers are connected to the housing. The...
US20060181974 Track jump apparatus and method which perform track jumping considering position of pickup  
An apparatus for and a method of performing track jumping of an optical pickup in an optical disc recording/reproducing apparatus. A controller monitors a control signal indicating a position of...
US20060072387 Small optical disk drive  
The invention relates to an optical disk drive, which can be built very small. In order to solve cooling problems and collecting light reflected from the disk with maximum efficiency an optical...
US20060044970 Disc player and method of reproducing information on disc  
A disc player reproduces information in a plurality of blocks sequentially provided on a disc. The disc player includes an optical pickup reading the information recorded on the disc; an...
US20080159092 Medium storage device, position demodulation device and position demodulation method  
A first and second phase patterns of which phases are the same and a third and fourth phase patterns of which phases are opposite of the first and second phase patterns and of which phases are...
US20090268576 METHOD OF HANDLING SERVO SECTOR DEFECT  
A method of handling a servo sector defect includes recognizing a first servo sector using a controller; determining whether the first servo sector has a defect; and when the first servo sector...
US20080019229 Floating Lock Device  
To provide a floating lock device which can smoothly and continuously perform an operation of swinging-in and swinging-out a drive unit and switching between a floating state and lock state with a...
US20070211580 DRIVING APPARATUS FOR OPTICAL PICKUP UNIT AND OPTICAL DISC DRIVE USING THE SAME  
An apparatus for driving an optical pickup unit to a discrimination position at which a type of an optical disc can be discriminated includes an actuator, a motor, and a voltage generator. The...
US20050195698 Optical navigation system for rotary control based non-contact controller  
The controller of the present invention includes an optical navigation system which is responsive to movement, velocity of position of a rotatable platter. The optical navigation system is...
US20050226102 Dynamic copy window control for domain expansion reading  
Method and apparatus for reading a magneto-optical domain expansion recording medium (10), wherein the size of a spatial copy window of a domain copying process is controlled by varying a...
US20070165500 Optical pickup, optical disc drive employing it, and its control method  
The present invention is directed to an optical pick-up device in which two object lenses are mounted to optimally correct comatic aberration with respect to the respective object lenses, which...
US20130058202 SEEK SCAN PROBE (SSP) CANTILEVER TO MOVER WAFER BOND STOP  
A seek-scan probe (SSP) memory involves multiple-wafer bonding needing precision small gaps in between. Solder reflow bonding is typically used to join the wafers due to its reliability and...
US20150248901 DEVICES INCLUDING NEAR FIELD TRANSDUCERS  
An apparatus that includes a near field transducer (NFT), the NFT including, amongst other elements and materials: tantalum (Ta), niobium (Nb), molybdenum (Mo), rhodium (Rh), ruthenium (Ru),...
US20090086598 SERVO FRAME INTERVAL CORRECTION APPARATUS, STORAGE APPARATUS AND SERVO FRAME INTERVAL CORRECTION METHOD  
One aspect of the embodiment utilizes a servo frame interval correction apparatus which includes a detection unit for detecting a first servo frame formed on said recording medium. The apparatus...
US20080137511 TECHNIQUES TO STORE AND ACCESS INFORMATION USING A HOLOGRAPHIC MEDIUM  
Techniques are described that can be used to store information onto a holographic storage medium. Techniques are described that can be used to access information from a holographic storage medium....
US20060007798 Disk player  
In a disk player which plays a disk having first and second areas in which the same contents are recorded with different amounts of information, the disk player includes a playback unit that reads...
US20060044953 Electronic device displaying printed information of optical storage media  
An electronic device capable of displaying printed information of optical storage media includes a host and an optical access device. The optical access device has a upper cap which has a display...
US20070160236 Audio signal encoding device, audio signal decoding device, and method and program thereof  
An audio signal encoding device includes a downmix signal encoding unit 203 and an auxiliary information generation unit 204. The downmix signal encoding unit 203 generates a downmix signal...
US20050226130 Optical data storage  
Optical data storage method, device and storage medium, comprising storing data by modifying optical properties of polymer material, whereby writing is initiated by reorientation of...
US20130033971 System and Method for Managing and Distributing Audio Recordings  
Disclosed are system, methods and computer program products for recording, playing back, responding to and sharing audio recordings. In one example embodiment, the system includes an audio...
US20060002269 Information storage device capable of impairing optical integrity of an optical storage medium thereof  
An information storage device comprising an optical storage medium and an impairment unit coupled to the optical storage medium and capable of being activated electrically. The impairment unit is...
US20090028033 Objective optical element for optical pickup device, optical element for opitcal pickup device, objective optical element unit for optical pickup device and optical pickup device  
An optical element for optical pickup device is provided with an optical path difference providing structure which provides a substantial phase change to a light flux having a predefined...
US20060215522 Disc identification system  
An identification system for a DVD player is capable of determining whether a DVD has been inserted therein. The method reads additional information and evaluates characteristics of the digital...
US20150194172 LIGHT BLOCKER FOR STRAY LIGHT REDUCTION WITHIN A SLIDER  
A waveguide has an input end near a top of a slider coupled to receive light from an energy source. The waveguide delivers the light at an output end of the waveguide near a bottom of the slider....
US20150262597 POLARIZATION ROTATOR  
A polarization rotator for a recording head. The polarization rotator comprises a first waveguide coupled to an input coupler at a first end and a second waveguide. The first waveguide is offset...
US20080068940 METHOD FOR LOCKING ONTO A TRACK AFTER AN OPTICAL PICKUP OF AN OPTICAL DISC DRIVE PASSES THROUGH A DEFECTIVE SECTION OF AN OPTICAL DISC  
An optical disc drive generates a control signal according to the delay of a TZC signal. The control signal can determine if an optical pickup of the optical disc drive crosses a track. When the...
US20090109808 OPTICAL HEAD DEVICE AND INFORMATION  
According to one embodiment, a laser drive circuit which supplies a drive current to a laser element which outputs light at a predetermined wavelength, and a laser control circuit which supplies a...
US20080062843 Mastering of an Optical Disc with a Data Pattern in the Form of a Metatrack Having Coplanar Parallel Sub-Tracks  
A method and a device for writing data marks to an optical disc or a master disc are disclosed, the data marks to be arranged along at least one metatrack, which is formed by a number of coplanar...
US20080165669 Read-side anti-theft optical discs and method of manufacturing read-side anti-theft optical discs  
The invention relates to methods for manufacturing an optical devices and optical devices incorporating optical blocking material on the read-side surface of the optical disc. A protective layer...
US20050146996 Digital music system for disc jockeys  
The digital media system (10) for disc jockeys includes a digital storage drive (107). Preferably, the music system (10) has two media readers (110, 112). Audio files can be simultaneously...