Hybrid Digital and Analog Data Storage

Hybrid digital and analog data storage

Autonomous search light system, winch system comprising an autonomous search light system, and aircraft comprising an autonomous search light system

Lens driving device

Optical disc apparatus controlling irradiation position based on cross-correlation value between reproduction signal and decoded signal

Lens driving device

Electromagnetic actuators for digital cameras

Optical disc device and spherical aberration error signal detection method

Electromagnetic actuators for digital cameras

Servo processor receiving photodetector signals

Topographic feedforward system

Servo processor receiving photodetector signals

Topographic feedforward system

Optical disc device and focus control method thereof

Optical information processing apparatus and optical information processing method, and adjustment device, adjustment method, and adjustment program for optical information processing apparatus

Optical disc device

Optical pickup device, optical information device, and information processing device

Optical information device, optical disc driving device, optical information recording device, optical information reproducing device, gap control method, and optical pickup

Optical information apparatus and gap control method thereof

Optical pickup and optical system using the same

Optical information recording medium and drive device

OPTICAL PICK UP, OPTICAL DRIVE DEVICE, AND LIGHT IRRADIATION METHOD

Optical information reproduction device, optical information recording device, optical information reproduction method, and optical information recording method

Optical pickup, optical disk drive device, optical information recording device, and optical information reproduction device

OPTICAL DISC APPARATUS

Recording apparatus and servo control method

RECORDING APPARATUS, RECORDING METHOD, AND OPTICAL RECORDING MEDIUM

Focus servo control device, and information recording/reproducing device using the same

Optical disc device

Optical disc device

Device for recording and reading data on a multi-layer optical disc

OPTICAL RECORDING MEDIUM AND RECORDING METHOD

REPRODUCING APPARATUS AND REPRODUCING METHOD

System and method for precise servoing

OPTICAL DISC APPARATUS AND DEFOCUS CORRECTING METHOD

Optical disc apparatus, focus control method and control program

OPTICAL RECORDING MEDIUM DRIVE DEVICE AND RECORDING METHOD

Reproducing device and optical path length servo control method

Spherical aberration correction appropriate position search apparatus, and spherical aberration correction appropriate position search method

OPTICAL DISC DEVICE

FOCUSING A LASER ON A LABEL SURFACE OF AN OPTICAL DISC

Optical information recording reproduction apparatus and optical information recording reproduction method

Optical information reproducing apparatus

Optical information reproducing device, optical information reproducing method and integrated circuit

SENSORLESS MOTOR DRIVE DEVICE

FORMING A VISIBLE LABEL ON AN OPTICAL DISC

Optical pickup device and optical disc apparatus

INTEGRATED CIRCUIT AND OPTICAL DISC APPARATUS

Optical disc device

Optical pickup, optical drive apparatus, and light illumination method

Disc apparatus

COLLISION PREVENTION METHOD AND APPARATUS BETWEEN RECORDING MEDIUM AND LENS

LABELING A DISC WITH AN OPTICAL DISC DRIVE

Optical drive device and focus servo control method

Tilt control method of near-field optical system

TILT ADJUSTMENT CONTROL METHOD OF NEAR-FIELD OPTICAL SYSTEM

Optical disc apparatus and defocus correcting method

METHOD FOR DETERMINING FOCUS HEIGHT

OPTICAL UNIT, CONTROL METHOD, AND OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE

Reproducing system for use with optical devices

FOCUS POSITION CONTROL APPARATUS, OPTICAL DISC APPARATUS USING THE SAME, AND FOCUS POSITION CONTROL METHOD

Optical disc apparatus and method of making layer-to-layer jump in multilayer optical disc

Servo control using digital signal processing for optical disk drive

Optical recording/reproduction method, optical recording/reproduction device, program, and optical recording medium

METHOD FOR CALIBRATING ACTUATOR

Method for controlling focus on label side

OPTICAL PICKUP AND OPTICAL DISC DEVICE

Optical disc apparatus

METHOD FOR ADJUSTING TILT OF OPTICAL PICK-UP HEAD

Light irradiation device for recording information in a hologram recording medium

Optical pickup, optical information recording method, and optical disc apparatus

Optical disk device, method of controlling optical head, and control device for optical head

Optical information recorder/reproducer, optical information recording/reproducing method and control circuit

LIGHT ILLUMINATING APPARATUS AND LIGHT ILLUMINATING METHOD

RECORDING/REPRODUCTION METHOD AND HOLOGRAM RECORDING MEDIUM

System and method for dual-beam recording and readout of multilayered optical data storage media

INFORMATION RECORDING AND REPRODUCING DEVICE

INFORMATION RECORDING AND REPRODUCING DEVICE

Optical Disc Apparatus and Focus Offset Control Method

INFORMATION RECORDING AND REPRODUCING DEVICE

Optical disc apparatus, method of adjusting focus offset for optical disc apparatus, and program for executing focus offset adjustment

OPTICAL DISC DRIVE WITH DELAYED LAYER JUMP

METHOD AND APPARATUS FOR RECORDING AND/OR REPRODUCING DATA INTO AND/OR FROM OPTICAL DISK

Fabrication method of multilayer optical record medium and recording apparatus for multilayered optical record medium

Optical disc apparatus, focus position control method and recording medium

DROP-OUT DETECTING CIRCUIT AND OPTICAL DISC DEVICE

Optical scanning device and method for scanning

Optical information apparatus with gap control system

Optical disc apparatus and correction servo control signal generation method

SIGNAL PROCESSING DEVICE FOR OPTICAL DISC, INTEGRATED CIRCUIT, OPTICAL DISC DEVICE, AND OPTIMUM RECORDING FOCUS POSITION DETECTING METHOD

Optical disc device, method for activating optical disc device, and control circuit

Optical disc device

Information recording device and information reproducing device

Optical disc apparatus and optical disc replay method

Optical head

OPTICAL DISC READING APPARATUS AND METHOD THEREFORE

Positioning control unit and optical disk drive

Optical disc device and media type determination method

METHOD AND DEVICE FOR ENHANCED ROBUSTNESS OF NEAR-FIELD OPTICAL SYSTEMS

Focus Servo Method, Optical Reproducing Method, and Optical Reproducing Apparatus

Optical pickup device and recording/reproducing device

Optical disc device

Focus control device, and optical disc device

Optical pickup device, optical pickup controller and optical pickup control method

Method for Improving Focus Accuracy of an Optical Pickup Head

INFORMATION RECORDING/REPRODUCING APPARATUS

Near field optical recording/reproducing apparatus and method of normalizing gap error signal of the same

Method and apparatus for deciding spherical aberration compensation value

Optical pickup apparatus, optical read/write apparatus, and gap control method

Objective lens and optical information recording/reproducing device having the same

OPTICAL DISC READING APPARATUS AND METHOD THEREFORE

Near-field gap pull-in method and optical disc apparatus therefor

Servo parameter detection method and optical pickup device using the same

Optical head, control method for optical head, and optical information processing apparatus

Defocus detection device, defocus detection method and optical disk unit using the same

Optical pickup and information device

Gap controller and optical information processor

Optical disc including a learning area having first and second regions, and methods for reproducing and recording data on the optical disc

Optical head device, optical information recording/reproducing apparatus and operation method of optical information recording/reproducing apparatus

Optical recording method, optical recording apparatus and optical recording medium

OPTICAL DISC APPARATUS AND DETERMINATION METHOD OF OPTIMUM FOCUS POSITION

Signal clamping device and method thereof and related optical storage system

Optical information recording/reproducing apparatus, diffraction-grating fabricating apparatus, optical information recording medium, and positioning control method

Apparatus and method for recording/reproducing holographic data

Optical pickup device, optical recording/reproducing apparatus and gap-control method

Servo control apparatus and method, and disk recording or playback apparatus

Optical system for detecting data signal and tracking error signal including polarizing optical element

SIL NEAR-FIELD SYSTEM

Optical disk apparatus and method of controlling optical disk apparatus

Optical fly height measurement

OPTICAL SCANNING DEVICE

Radial To Focus Cross Talk Cancellation In Optical Storage Systems

Optical disk device and control method for the same

Method for calibrating focus level on a light scribe disc

Focusing control method for label side of lightscribe discs

Method for calibrating focus balance of optical disk drive

Initial focus optimization for an optical scanning device

Disc device

Optical disc, optical disc unit and method of controlling the optical disc unit

Method and device for tilt compensation in an optical storage system

SERVO CONTROL APPARATUS IN OPTICAL DISC DEVICE AND METHOD OF CONTROLLING SERVO

Optical pickup device

Optical information recording method, optical information reproducing method, optical information recording apparatus and optical information reproducing apparatus

Optical Data Storage System and Method of Optical Recording and/or Reading

Information Processing Device

Method and System With Focus Control for Scanning an Information Carrier

OPTICAL PICKUP DEVICE AND OPTICAL DISK APPARATUS

OPTICAL PICKUP DEVICE AND OPTICAL DISK APPARATUS

Optical disc apparatus, information recording method, and information reproduction method

OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING AND REPRODUCING APPARATUS, AND POSITION CONTROL METHOD

Optical information recording and reproducing apparatus

Optical Pick-Up and/or Recording Device

Apparatus and method to write/reproduce data to/from optical disc

OPTICAL HEAD APPARATUS, INFORMATION RECORDING/REPRODUCING APPARATUS INCLUDING THE OPTICAL HEAD APPARATUS, AND INFORMATION RECORDING/REPRODUCING METHOD

Optical head and apparatus for optically recording and reproducing information

Method of controlling focus of optical information storage media recording and/or reproduction apparatus and apparatus therefor

Method for selecting focus servo process

Disc apparatus

OPTICAL DISC APPARATUS, OPTICAL DISC DETERMINATION METHOD, PROGRAM, AND INTEGRATED CIRCUIT

Optical head apparatus and optical information apparatus

Optical recording apparatus, optical recording method, recording medium, and reproducing method

Optical drive servo with a servo processor receiving photodetector signals

Optical disk drawing apparatus, optical disk drawing system and optical disk drawing method

Optical disc apparatus

FOCUS CONTROL METHOD AND OPTICAL DISC DRIVE

Method of accessing information stored in predetermined data area on optical disc and information reproducing apparatus thereof

Optical Disc Apparatus

Optical recording medium driving device and spherical aberration adjustment method

Optical disc apparatus and semiconductor device

Device for correcting output of optical pickup

Photodetector and optical pickup apparatus

OPTICAL DISC DRIVE AND METHOD OF CONTROLLING THE SAME

Optical Recording Medium Having a Control Layer

OPTICAL DISC DRIVE AND CONTROL METHOD THEREOF

Optical disc drive and control method thereof

Method and optical disk recording/Drawing apparatus

Approximating topology of optically writable medium surface

Optical disc signal processing apparatus, optical disc signal reproducing apparatus, signal processing circuit, and signal reproducing circuit

Optical Storage Interface Aparatus

Recording and reproducing apparatus, recording and reproducing method, and method of determining type of recording medium

Optical head and optical disk device capable of detecting spherical aberration

OPTICAL DISC DRIVE AND METHOD OF CONTROLLING ACTUATOR

Optical Pickup Device

Method for determining focusing error gain for accessing to optical disc

Optical disc device

OPTICAL DISC DRIVE, METHOD OF MOVING BEAM SPOT AND COMPUTER-EXECUTABLE PROGRAM IMPLEMENTABLE BY THE OPTICAL DISC DRIVE

Optical reader/writer with dedicated focus tracking beam

Optical recording/reproducing apparatus, optical pickup, and tracking error detecting method

Reproducing apparatus, and method of adjusting spherical aberration correction and focus bias

Optical Recording Apparatus With Drawing Capability of Visible Image on Disk Face

OPTICAL DISC RECORDING APPARATUS CAPABLE OF MARKING LABEL SIDE OF OPTICAL DISC

Focus servo recovery processing method for optical disc device and optical disc device

Method of focus error signal adjustment in optical disk device and optical disk drive

Optical disc recording/reproducing apparatus and focus-servo method thereof

Optical pick-up unit

Tilt compensation method and apparatus

Focus pull-in control device and method thereof

Integrated optical unit, adjusting method therefor, and optical pickup

Optical disc apparatus

Facilitating focusing of a multi-function digital media drive

Optical disk stabilizing apparatus and method of controlling optical disk stabilizing apparatus

Focus offset calibration

Information reproducing apparatus and information reproducing method

Optical disc apparatus

Actuator calibration using a focus error signal

Optical disc device, optical pickup control method and optical disc discriminating method

Extended focus control

Disc driving apparatus and information readout method

Optical disc including a learning area having first and second regions, and methods for reproducing and recording data on the optical disc

Digital servo system with moving average filter

Digital servo system with pre-processing old control states

Information recording and reproduction method and information recording and reproduction apparatus

Optical pickup device and recording and/or reproducing apparatus

Optical recording and reproducing apparatus, optical head, optical recording and reproducing method and skew detection method

Optical disc apparatus, method of adjusting focus offset for optical disc apparatus, and program for executing focus offset adjustment

Focus control for optical scanner

Focus servo control method in optical disc device

Disc drive apparatus

Optical disc drive focusing apparatus

Focusing control method for reading/writing optical disc

Optical recording apparatus with drawing capability of visible image on disk face

Information recording or reproducing device and recording or reproducing method

Optical disc apparatus and defocus control method

Optical head and optical disk unit

Optical pickup control apparatus, optical pickup control method, and optical disc apparatus

Optical information recording medium manfacturing method therefor, manufacturing apparatus therefor, and optical information recording and reproducing apparatus

Three-dimensional information recording and reading method

Focus control via AC input signal

Recording apparatus

Optical pickup device and focus control method therefor

Method of detecting focus error signal of optical head and optical recording/reproducing apparatus utilizing the same

Defocus detection device, defocus detection method and optical disk unit using the same

Focus point calibration for optimum recording quality

Focus control device and method of adjusting focus gain prior to focus-servo operation

Optical recording apparatus capable of optimizing write defocus and method thereof

Method and apparatus for drawing visible image on optical disk by vibrating laser beam focus

Method and apparatus for controlling layer jumping of pickup head of optical disk drive

Optical disk drive with target focus control

Optical disk device

Optical disk apparatus

OPTICAL DISC DRIVE CAPABLE OF GENERATING DIGITAL SERVO CONTROL SIGNALS AND METHOD THEREOF

Optical disc reading and reproducing apparatus

Optical disc reading and reproducing apparatus

Optical disk, optical disk apparatus, and image recording method

Optical disk, optical disk apparatus, and method of optimizing focus

Optical disc including a plurality of data layers

Optical pickup device, optical recording and reproducing apparatus and gap detection method

Rotation control method and storage apparatus

Objective lens drive device

Method for adjusting focus or tracking detection unit, and optical disc device

Apparatus and method of compensating for tilt and/or defocus of a disc during recording

High-speed focus pull-in controllers for adaptively responding to disk surface vibration of an optical disk device and focus control methods thereof

Optical pickup device for optical disks having different track pitches

Optical pickup device

Optical disk apparatus and control method for controlling distance between a head and a disk

Method for manufacturing recording media, method for manufacturing production plate used when manufacturing recording media, apparatus for manufacturing recording media, and apparatus for manufacturing production plate used when manufacturing recording media

Optical information recording medium and optical information recording and reproducing apparatus

Optical pickup

Optical disc apparatus, an optical disc method, and a semiconductor integrated circuit capable of adjusting a focus position of a light beam and a spherical aberration

Recording/reproducing apparatus with optical path correction system

Hologram recording and reproducing apparatus

Optical system for detecting data signal and tracking error signal

Recording and/or reproducing apparatus and method with a signal quality determining device and method

Optical pickup apparatus capable of compensating thickness deviation of optical recording media

Recording apparatus

Holographic recording and reconstructing apparatus and mask for use therein

Apparatus for recording information and apparatus for recording and reproducing information

Recording/reproducing apparatus for optical information recording medium and optical head

Method and device for detecting optical data and reading-writing apparatus for optical data

Optical pickup device and optical disk device and optical device and composite optical element

Disc apparatus for reproducing a signal on a disc using a laser beam

Optical head device, and optical recording/reproducing device

Enhancing optical density

Optical disk drive focusing apparatus

Optical disk drive focusing apparatus using sum signal

Optical disc drive focusing apparatus

Approximating topology of optical disc surface

Optical disk device

Focus control method of optical pick-up system and apparatus thereof

Optical storage system having differential phase detector