Sign up


Match Document Document Title
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...
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...
US20080232208 High Frequency Central Aperture Tracking  
The present invention relates to an optical system for performing radial tracking on an associated optical record carrier. The optical system contains at least one radiation-emitting device capable...
US20070263522 Objective lens apparatus, optical pickup apparatus, and optical disc driving apparatus  
An objective lens apparatus is disclosed. The apparatus includes: a first objective lens with a first numerical aperture, which is capable of focusing a laser light on a first optical record medium...
US20080049590 Devices and methods for writing and reading information  
Memory devices and methods of storing information are disclosed. Also disclosed are methods of storing information in multi-bit format and memory devices with information stored in multi-bit...
US20090238056 OPTICAL STORAGE EFFECT USING A SEPARATE REFERENCE BEAM INTERFACE  
The present invention relates to a data medium to be read out by a focused reading beam having a predetermined wavelength. The data medium implements a new concept of generating a reference beam,...
US20130201811 SPINDLE MOTOR HAVING MAGNETIC CIRCUIT FOR STATOR AND ROTOR MAGNET, AND STORAGE DISK DRIVE HAVING THE SAME  
A spindle motor includes a base portion; a stator arranged above the base portion; a rotor hub including a cover portion positioned above the stator, and a side wall portion arranged to extend...
US20090290458 METHOD OF UPDATING DISC INFORMATION OF OPTICAL DISC  
A method of updating disc information of an optical disc includes checking whether a file system bitmap in a user data area of the optical disc had been updated, and updating disc information in a...
US20090238053 DIGITAL VIDEO RECORDER WIDE DYNAMIC RANGE OPTICAL POWER CALIBRATION  
A method and apparatus are presented for optimizing write operations for optical storage media. A determination is made, at least in part by iteration, of a next power range and a current score for...
US20070153667 Visual target presenting optical device  
A visual target presenting optical system has a light source that illuminates a visual target to be viewed by a subject, and a visual target presentation state changing unit that can change the...
US20090129244 Compact pickup for micro optical drive  
The invention relates to a compact optical pickup for a micro optical drive, and to a micro optical drive using this compact optical pickup. According to the invention a pickup for optical...
US20090116363 INFORMATION STORAGE DEVICE AND STORAGE MEDIA  
In an information memory apparatus having minute areas for storing information arranged in x, y and z directions three-dimensionally, parallel rays are irradiated to a memory area MA in a direction...
US20090310455 Optical Disc Reproducing Apparatus, In-Vehicle Optical Disc Reproducing Apparatus, In-Vehicle Optical Disc Reproducing System, and Optical Disc Reproducing Method  
An in-vehicle optical disc reproducing apparatus according to the present invention reads disc specific information from an optical disc, and inputs vehicle specific information from an IC card, or...
US20090040906 SIL NEAR-FIELD SYSTEM  
A solid immersion lens (SIL) near-field system including: a radially polarized beam generator to generate a radially polarized beam; an SIL; an objective lens to focus the radially polarized beam...
US20070041296 Disk finalization systems and methods  
Methods and systems for disk finalization are provided. It is determined whether triggering of a disk finalization operation is required by monitoring a recording process for recording or editing...
US20060256696 Optical element, optical pickup device comprising the same, and unnecessary light elimination method  
The optical element comprises a first diffraction structure for generating three beams by diffracting light from a light source and a second diffraction structure that exhibits structural...
US20120026850 OPTICAL DISC REPRODUCTION APPARATUS  
An instantaneous jitter information detection section detects, based on first and second digital values indicating different polarities relative to a predetermined reference value, an instantaneous...
US20080043582 OPTICAL DISC DRIVE AND CONTROL METHOD THEREOF  
An optical disc drive and a method of controlling the same, capable of receiving or ejecting an optical disc in either direction thereof to easily insert and exchange the optical disc. The optical...
US20050219966 Spindle unit and a spinstand and a method of disk exchanging in the spinstand  
A spindle unit installed in a spinstand for testing at least one component selected from the group consisting of: a head and a disk, wherein the spindle unit comprises a disk rotation device for...
US20070201319 Playback Apparatus For Recording Media  
A CD changer includes a plurality of holders 19, a disk playback part, and a stopper part 100. A holder 19 holds a CD. The stopper part 100 includes a first stopper 103, a second stopper 104, a...
US20070159954 Laser oscillation element and optical pickup device  
In a light-emitting section (2) for emitting semiconductor laser for CD (4) and semiconductor laser for DVD (5), a radiation angle width θ2 of the DVD semiconductor laser (5) is at least 1.3 times ...
US20090316543 OPTICAL PICKUP, OPTICAL INFORMATION REPRODUCING APPARATUS AND OPTICAL INFORMATION REPRODUCING METHOD  
An optical pickup includes: a light source that emits first light; an objective lens that condenses the first light and allows it to irradiate a track having formed therein a recording mark for...
US20060256669 Music composition data transmission recording method and music composition reproduction device  
A song in a music player is replaced by another song in a server in accordance with the user's estimated preferences and wishes and without requiring the user to become conscious of individual...
US20090147659 OBJECTIVE LENS UNIT, OPTICAL PICKUP, AND OPTICAL INFORMATION DEVICE  
An objective lens unit according to the present invention includes a first objective lens 41; and a first lens holder 2 for supporting the first objective lens 41. The first lens holder 2 is formed...
US20050073917 CD changer  
The present invention relates to a CD changer of the “carousel type”, in which three or five optical recording media, referred to below as disk, are arranged on a rotatable disk holder, the car...
US20050122851 Record carrier and scanning device  
An optical record carrier (1) includes an area (2) for storing user information and an area (3) for storing control information. The control information is arranged in a block of frames of equal...
US20070242579 Disk/Disk Drive Management System  
There is provided a disk/disk drive management system that is capable of setting limits to reproduction of a disk and a disk drive used for the disk reproduction, for example, setting limits to...
US20070104041 Disc playing sorting system and method using the same  
The invention discloses a disc playing sorting system and method. The disc playing sorting system comprises a capacity space, an optical component, and a processor. A plurality of discs are set...
US20080074962 OPTICAL PICKUP DEVICE  
An optical pickup device 50 comprising a laser diode 1, a photo detector 2, a housing 3 having an optical system for guiding light from the laser diode 1 to an optical disk and guiding light...