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US20070071419 Reproducing device provided with resume function  
A reproducing device provided with a resume function capable of storing a plurality of stop positions through a simple operation is provided. In a reproducing device 1 for reproducing a recording...
US20060262683 Optimum power calibration method and optical disk drive  
An optimum power calibration method is provided and is implemented for writing a rewritable optical storage medium including a power calibration area. The method includes the steps of determining...
US20130100792 OBJECTIVE OPTICAL ELEMENT AND OPTICAL PICKUP DEVICE  
Provided is an objective optical element which can appropriately correct degradation from spherical aberration upon fluctuation of a light source wavelength while maintaining light use efficiency,...
US20110317539 Objective Optical Element and Optical Pickup Device  
Provided is an objective optical element which can appropriately correct degradation from spherical aberration upon fluctuation of a light source wavelength while maintaining light use efficiency,...
US20100080089 Storage medium reproducing apparatus or storage medium recording/reproducing apparatus  
In a recording/reproducing apparatus, a pair of detection sliders, in which pins coming into contact with an outer peripheral edge of a storage medium being inserted are formed and which approach...
US20120014238 SPHERICAL ABERRATION COMPENSATION METHOD AND DEVICE OF OPTICAL DISC DRIVE  
A spherical aberration compensation method is provided. A first thickness of a cover layer at a first radius position of an optical disc is measured. A second thickness of the cover layer at a...
US20090190453 SOLID IMMERSION LENS (SIL) NEAR-FIELD SYSTEM AND METHOD OF CONTROLLING TILT  
In a near-field optical recording/reproducing system and a method of controlling a tilt, the near-field optical recording/reproducing system includes: a light source; an objective lens to focus...
US20090168636 CANTILEVER DESIGN WITH ELECTROSTATIC-FORCE-MODULATED PIEZORESPONSE FORCE MICROSCOPY (PFM) SENSING  
In one embodiment, the present invention includes an apparatus having a cantilever structure to move in a vertical direction, including a grounded cantilever body and a conductive tip, a vertical...
US20080279060 OBJECTIVE LENS DEVICE, OPTICAL PICKUP DEVICE, OPTICAL-DISC DRIVING DEVICE AND DRIVING METHOD OF OBJECTIVE LENS  
An objective lens device includes: a first objective lens having a first numerical aperture, which can condense light into a disc-shaped first optical recording medium including a first cover...
US20080062826 Optical Pickup Unit and Optical Pickup Device Having Same and Information Writing/Reading Device Having Same  
An optical pickup device includes: a splitting section for splitting a beam; a light-receiving section for receiving the split beams. The light-receiving section includes: a tracking-use main...
US20150036470 E-Antenna Near Field Transducer With Thermal Shunt To Return Pole  
In a heat-assisted magnetic recording head for use in a hard disk drive, a thermal shunt is positioned between an E-antenna near field transducer (NFT) and a return pole, to draw excess heat away...
US20100020666 HIGH EFFICIENCY AND HIGH THROUGHPUT CASCADE SCRUB WASH MACHINE FOR RIGID MAGNETIC RECORDING MEDIA  
A disk cleaning scrub module comprising a scrub lane and a plurality of brushes that rotates and scrub washes a plurality of disks having a diameter D in the scrub lane, wherein a disk-to-disk...
US20070217306 Optical disc apparatus and method of writing information to an optical disc  
An optical disc apparatus may write information to an optical disc by forming a mark and a space on the optical disc. The optical disc apparatus may include a write stopping unit, a deviation...
US20060023623 Optical disk and information playback apparatus  
In an example of the present invention, an optical disk includes groove tracks and land tracks which are alternately arranged in the radial direction of the disk. A track width of each of the...
US20060087926 MP3 player capable of automatic updating, automatic updating system for MP3 player and method thereof  
A system, apparatus and method is provided for detecting a music list stored in a playback device, such as a Moving Picture Experts Group-1 Audio Layer-3 (MP3) player, and selectively downloading...
US20080181093 OPTICAL DISC AND REGISTERING METHOD FOR LABEL SIDE THEREOF  
The invention provides an optical disc and a registering method for labeling on a label side of the optical disc. More particularly, the label side has a plurality of turns of wobbled grooves...
US20070242570 Alarm information display unit  
There is realized an alarm information display unit capable of enabling a message relating to an error of a hardware placed in a predetermined managing environment to be displayed on a display...
US20090296556 READING DEVICE FOR A RECORD CARRIER  
The invention provides an efficient reading device in which, even if one radiation beam should fail, no information is lost and the information can still be read out without time-consuming...
US20060120226 Optical pick-up device and optical disk device  
An optical pick-up device for carrying out at least one of recording and reproduction of information for an optical disk, comprises a laser beam source emitting a laser beam; a laser beam source...
US20070253312 Optical Storage Interface Aparatus  
In an optical storage interface apparatus, a spot-forming lens projects a light spot on an optical information carrier in response to a light beam from a light source. There is an air gap (AG)...
US20070237036 Playing state presentation system, playing state presentation device, playing state presentation method, and plying state presentation program  
A playing state presentation system has a contents server for supplying consecutive contents data, and a contents playing device for obtaining and playing the contents data. The contents playing...
US20070159940 Drive and method for simulating the insertion of a new record  
The present invention relates to a drive (2) for use in a computer or a reproduction device for accessing a record carrier. According to the invention via a specific action, supervised by the...
US20060153056 Limited life optical media  
Limited life optical media and methods of making same are described. The limited life optical media includes at least one reactive substance that prohibits continued access to at least part of the...
US20100027394 SERVO CALIBRATION MARK DETECTION CIRCUIT FOR HD-DVD OR DVD-RAM AND METHOD THEREOF  
The invention provides a servo calibration mark detection circuit for use in an optical disk drive. In one embodiment, the servo calibration mark detection circuit comprises a summing processor, a...
US20050195703 Objective lens drive device and optical head device provided with the same  
An objective lens drive device includes an objective lens, a lens holder having a lens holding part for holding the objective lens on one side end part of the lens holder, a focusing and tracking...
US20080123476 AUTO FEED, COPY AND PRINT APPARATUS FOR INFORMATION STORAGE DISKS AND METHOD OF THE SAME  
An auto feed, copy and print apparatus for information storage disks and a method of the same are disclosed. The apparatus includes a frame, a read/write and print device and a feeding device. The...
US20050259540 Optical power adjusting tool  
An optical power adjusting tool is movably disposed on a disk drive main body of a DVD recorder to adjust the DVD recorder. The disk drive main body has an optical pick-up head for emitting laser...
US20140269231 RADIALLY DEPENDENT THERMAL HEAT RESISTOR LAYER  
The embodiments disclose a data storage device including a thickness gradient heat sink layer deposited over a heat sink layer deposited over a substrate, a thickness gradient non-magnetic thermal...
US20110019523 INTEGRATED STANDALONE OPTICAL DISC DUPLICATION AND LABELING SYSTEM  
An integrated standalone optical disc duplication and labeling system has an optical disc drive, a main controller and a command module. The optical disc drive is capable of containing an optical...
US20080089191 ELECTROMAGNETIC DRIVE SYSTEM  
An electromagnetic drive includes a drive plate disposed in a magnetic field. The drive plate includes a non-conductive medium with a first plurality of linear conductive elements arranged...
US20080056086 LASER DRIVER CIRCUIT AND OPTICAL DISC DEVICE INCLUDING THE LASER DRIVER CIRCUIT  
In order to compute a set value for a laser driver circuit for obtaining laser light having a predetermined irradiation power by using a calibration coefficient indicating manufacturing errors. In...
US20080031096 ONBOARD SYSTEM AND COMPUTER FOR HOLDING DATA UNLOADING IN CASE OF COMPUTER STOPPAGE  
The invention concerns a system (1) for data unloading comprising a computer (3) on board a motor vehicle provided with a memory support (5) whereon data are to be recorded, and a data storage...
US20090010128 Disc Identification Apparatus, Disc Insertion-Ejection Device, and Disc Device  
A disc identification device, a disc insertion-ejection device and a disc device which can positively prevent two discs from being inserted into the apparatus. There is provided a disc thickness...
US20100074067 OPTICAL DISK DRIVING APPARATUS, OPTICAL DISK DRIVING SYSTEM, VEHICLE EQUIPPED WITH OPTICAL DISK DRIVING SYSTEM, METHOD OF CORRECTING SPHERICAL ABERRATION IN OPTICAL DISK DRIVING APPARATUS, PROGRAM AND RECORDING MEDIUM  
An optical disk driving apparatus includes an optical head device having a laser light source, a converging optical system converging a light beam emitted by the laser light source onto an optical...
US20100284110 APPARATUS OF A ARM LIMITER FOR MINIMIZING EFFECT OF NON-OPERATIONAL SHOCK IN A HARD DISK DRIVE  
This application discloses a hard disk drive comprising a arm limiter mounted on a disk base to limit movement of the actuator arms during a non-operational shock event while parked. The arm...
US20100315928 Elimination of errors due to aging in magneto-resistive devices  
The problem of magneto-resistive sensor drift with age has been solved by normalizing the sensor's output relative to its output when it is in a selected reproducible state. Details for the method...
US20070002694 Guiding optical beam to optically writable surface  
An optical mechanism includes an optical beam-generating mechanism and a light pipe. The optical-beam generating mechanism is to generate an optical beam. The light pipe is to guide the optical...
US20090116348 OFF-TRACK DETECTION CIRCUIT  
In a state where vibration is constantly detected, a protection function by a vibration detection circuit loses effectiveness, and thereby there may possibly arise a malfunction of an off-track...
US20090312195 METHODS AND MICROARRAYS COMPATIBLE WITH DUAL FUNCTIONALITY OPTICAL DRIVES  
A microarray with optically recorded information and a sample capable of producing a signal as a response to external influence, or a precursor which, when activated or combined with a reagent,...
US20090196137 METHOD OF DETECTING BAD SERVO TRACK IN HARD DISK DRIVE  
A method of detecting a bad servo track of an HDD includes measuring servo AGC of each of servo sectors of a servo track requiring determination of badness, calculating statistic data with respect...
US20080062855 Apparatus for attaching a disk to a spindle of a spinstand, methods for attaching and detaching a disk to and from a spindle of a spinstand and a movable stage  
In one arrangement, apparatus for attaching a disk to a spindle of a spinstand has a spindle adapter. The spindle adapter has a drawbar movably disposed within. The drawbar has a connector end...
US20070291623 CANTILEVER WITH CONTROL OF VERTICAL AND LATERAL POSITION OF CONTACT PROBE TIP  
An embodiment of a probe storage device in accordance with the present invention can include an electrostatic actuator for controlling the z-position of a cantilever having a contact probe tip...
US20120092971 Cross-track alignment waveguides and alignment scheme using alignment waveguides  
A waveguide structure for aligning a light source to a center waveguide (CWG) in a TAMR head is disclosed and includes two alignment waveguides (AWVG) symmetrically formed about a plane that...
US20060126459 Optical pickup device with phase shift mirror  
The present invention relates to an optical pickup device having a phase shift mirror, which universally adopts light sources for recording on and/or reproducing from both CDs and DVDs. In the...
US20130286807 HEATER ASSEMBLY AND METHOD OF HEATING  
A magnetic recording head includes a magnetic writer comprising a main write pole and a return write pole. The magnetic recording head includes a write heater assembly comprising at least one...
US20090046562 LIGHT SOURCE UNIT, OPTICAL DETECTOR UNIT, OPTICAL PICKUP DEVICE, AND OPTICAL DISK DEVICE  
A light source unit comprises a plurality of light sources emitting a plurality of light beams. A plurality of volume hologram elements are provided for the plurality of light sources...
US20050117497 Optical element and optical head device using it and optical information device using this optical head device, and computer, optical disk player car navigation system, optical disk recorder and optical disk server using this optical information device  
Providing an objective lens with a large numerical aperture (NA), the present invention records or plays conventional optical disks such as CDs and DVDs using an optical head capable of recording...
US20070159934 Method for providing jukebox service using network  
In the prior art, there is a limitation in providing services, such as a jukebox service, using a network, such as the Internet. The jukebox service provision method of the present invention uses...
US20050259524 Clamp type multimedia recorder  
A clamp type multimedia recorder includes a main body in which a recording unit and an audio device are arranged and a clamp the selectively attaches the main body to a document folder. The main...
US20090245055 DVD Replication of Encoded Content  
An apparatus includes a controller for enabling replicating of media content from encoded content received, and a recorder responsive to the controller for recording content on media readable by a...