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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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