198059 ⎘
Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation , reproducing using an optical beam at lower power ; Record carriers therefor; Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only Multi-beam tracking systems
Radial servo device for super-resolution optical disc and servo control method therefor
#2Diffractive optical element, projection device and measuring device
#3HYDRAULIC PUMP/MOTOR WITH ROTATION DETECTION MECHANISM
#4Recording/reproducing apparatus
#5METHOD FOR DETERMINING PHASE DIFFERENCE OF TRACKING ERROR SIGNAL
#6Optical pickup and optical recording and reproducing device
#7Optical recording and playback apparatus
#8Optical head device and optical disc device
#9Optical pickup and optical information storage system including the same
#10Optical pickup and optical information storage system including the same
#11Optical recording and reading method, optical recording and reading apparatus, optical recording medium, and method for producing an optical recording medium
#12LENS DRIVING DEVICE, INFORMATION RECORDING AND PLAYBACK APPARATUS, AND ELECTRONIC INSTRUMENT
#13Optical disk device
#14Optical pickup device and optical disc apparatus for recording and reproducing information on and from optical disc including plurality of recording layers
#15Apparatus comprising a pickup providing multiple beams
#16Optical disk apparatus
#17Optical pickup apparatus
#18OPTICAL PICKUP DEVICE, OPTICAL DISC APPARATUS, AND INFORMATION RECORDING METHOD
#19Optical pickup and optical read/write apparatus
#20Optical recording medium driving apparatus, and method of generating tracking error signal
#21Optical pickup device
#22Optical information processing device and tracking control method thereof for use with grooveless multilayer optical disc
#23Reproducing method and reproducing apparatus
#24Diffraction grating, aberration correction element and optical head device
#25Optical pickup device and optical disc device
#26Optical pickup and optical information storage medium system using the same
#27Method for determining phase difference of tracking error signal in optical disc drive
#28METHOD FOR DETERMINING ECCENTRICITY OF OPTICAL DISC
#29Optical recording and reading method, optical recording and reading apparatus, optical recording medium, and method for producing an optical recording medium
#30Optical Pickup Apparatus
#31METHOD FOR DETECTING OBLIQUITY OF OPTICAL DISC DRIVE BASED ON FUNCTION BETWEEN OBLIQUITY AND CENTRAL ERROR SIGNAL BIAS
#32Optical disk device and optical disk recording method
#33Method of generating tracking error signal, optical pickup device, and optical disc drive device adopting the method
#34OPTICAL PICKUP AND OPTICAL DISC DRIVE INCLUDING THE OPTICAL PICKUP
#35Compatible optical pickup and optical information storage medium apparatus using the same
#36Optical head device and optical disc device
#37Optical pickup device and optical disc apparatus
#38Optical pickup apparatus
#39Method of controlling light, and optical pickup device and optical disk drive adopting the method
#40Optical pickup device and optical disc apparatus
#41Portable optical card readers
#42Optical pickup
#43Optical pickup apparatus
#44METHOD FOR DETECTING OBLIQUITY OF OPTICAL DISC DRIVE
#45Semiconductor integrated circuit and optical disk device having the same
#46System comprising an optical disc and an apparatus for reading of respective data
#47Optical disk apparatus
#48OPTICAL BEAM FORMING APPARTUS
#49Automatic power control system for optical disc drive and method thereof
#50Optical pickup and optical disc apparatus
#51Optical disk drive and method for determining type of a blu-ray disk
#52Optical Disk Drive and Method for Performing Layer Jumps
#53COMPATIBLE OPTICAL RECORDING MEDIUM
#54Diffraction grating, aberration correction element and optical head device
#55Optical pickup device
#56Optical drive device
#57Automatic power control system for optical disc drive and method thereof
#58Apparatus for controlling servo signal gains of an optical disc drive and method of the same
#59OPTICAL HEAD DEVICE, OPTICAL INFORMATION PROCESSING APPARATUS, AND SIGNAL DETECTING METHOD
#60GRATING ELEMENT, OPTICAL PICKUP OPTICAL SYSTEM AND METHOD OF DESIGNING GRATING ELEMENT
#61Optical disk apparatus
#62Optical disc apparatus and optical disc reproducing method
#63WRITING METHOD FOR MULTILAYER OPTICAL DISC
#64Optical pick-up and optical information recording and reproducing apparatus
#65Optical disc apparatus and tracking control method
#66Optical storage medium, mastering method and apparatus for reading of respective data
#67Optical head device and optical information recording/reproducing device
#68Tracking control device, tracking control method, and optical disc apparatus
#69TRACKING SERVO METHOD OF OPTICAL VIDEO DISC PLAYER AND ITS SPECIAL DEVICE
#70Optical disc device
#71Optical pickup device and optical disc device
#72Tracking control device, tracking control method, and optical disc device
#73Optical pickup device
#74Light spot position control apparatus and light spot position control method
#75Optical pickup device
#76Optical pickup and optical disc device
#77OPTICAL RECORDING DEVICE AND METHOD OF OPERATING AN OPTICAL RECORDING DEVICE
#78DEVICE AND METHOD FOR SCANNING AN OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING MEDIUM
#79Optical head device, optical information device, and diffractive element
#80OPTICAL SYSTEM WITH A NUMBER OF RADIATION SOURCES
#81Optical pickup device
#82NOISE REMOVING APPARATUS AND METHOD, AND OPTICAL PICKUP
#83Land/groove track and pickup head movement direction detection
#84Optical pickup device
#85Record medium, optical disk unit using it, and recording method
#86Optical head apparatus and optical disc apparatus
#87OPTICAL HEAD DEVICE AND OPTICAL INFORMATION RECORDING OR REPRODUCING DEVICE
#88Optical pickup device
#89Optical pickup apparatus and optical disc apparatus including the same
#90Optical pickup apparatus
#91TRACK WRITING WITH RADIAL ERROR OFFSET CORRECTION
#92Optical pickup apparatus
#93Optical pickup apparatus
#94Optical pickup device and optical disc apparatus
#95Optical drive device and amplification rate determining method
#96Automatic power control system for optical disc drive and method thereof
#97TRACKING BY CROSS CORRELATING CENTRAL APERTURES OF MULTIPLE BEAMS
#98OPTICAL HEAD DEVICE, OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE AND ERROR SIGNAL GENERATION METHOD
#99Optical pickup device
#100Optical pickup and optical disk device
#101Optical pickup apparatus
#102Optical pickup apparatus
#103Optical pickup apparatus for use on a multi-layered optical information storage medium
#104PHOTOELECTRIC CONVERTING DEVICE, AND OPTICAL DISK APPARATUS AND ADJUSTMENT METHOD OF THE SAME
#105OPTICAL HEAD DEVICE AND OPTICAL INFORMATION RECORDING OR REPRODUCING APPARATUS WITH THE SAME
#106Optical pickup device and optical recording medium information reproduction device
#107OPTICAL DATA RECORDING/REPRODUCING SYSTEM PICKING UP MULTIPLE TRACKS BETWEEN GUARD BANDS
#108Optical disc device
#109Optical pickup and information device for reducing an influence of stray light in an information recording medium
#110Disc drive and photo-detector circuits
#111OPTICAL PICKUP DEVICE AND OPTICAL DISC DRIVE
#112OPTICAL RECORDING METHOD, OPTICAL RECORDING APPARATUS, OPTICAL RECORDING MEDIUM, AND OPTICAL RECORDING AND REPRODUCING METHOD
#113OPTICAL DISC DEVICE, TRACKING ERROR SIGNAL GENERATING CIRCUIT, TRACKING ERROR SIGNAL CORRECTING METHOD, AND PROGRAM
#114Optical pickup and optical data processing device using the same
#115Optical pickup and optical data processing device using the same
#116Method and apparatus for recording/reproducing data on/from a recording medium
#117Optical pickup apparatus, reproducing apparatus, recording apparatus, and tracking error signal generation method
#118TRACKING ERROR SIGNAL GENERATION METHOD AND OPTICAL DISC APPARATUS
#119Optical pickup apparatus
#120Diffraction element and optical head device equipped therewith
#121OPTICAL PICKUP APPARATUS
#122OPTICAL PICKUP DEVICE AND PHOTODETECTOR
#123Optical pickup device and optical disc apparatus
#124Optical pickup device and optical disc device
#125OPTIMIZING FOCUS CROSSTALK CANCELLING
#126OPTICAL HEAD AND OPTICAL INFORMATION RECORDER/REPRODUCER EMPLOYING IT
#127Optical pickup device
#128Optical disc recording and playback apparatus
#129OPTICAL PICKUP AND OPTICAL INFORMATION STORAGE MEDIUM SYSTEM EMPLOYING THE OPTICAL PICKUP
#130Optical pickup device and information recording/reproducing apparatus
#131COMPENSATING GAIN OF AN OPTICAL RECORDING APPARATUS
#132OPTICAL DISC APPARATUS AND LENS SHIFT CORRECTION METHOD
#133OPTICAL DISC APPARATUS AND LENS SHIFT CORRECTION METHOD OF OPTICAL DISC APPARATUS
#134Diffractive optical element and optical head
#135Optical pickup device and information recording/reproduction device
#136Optical pickup apparatus, optical recording medium driving apparatus, and signal recording/reproducing method
#137Arithmetic processing circuit unit and disc device
#138Photonic crystal laser
#139OPTICAL PICKUP
#140Automatic power control system for optical disc drive and method thereof
#141Recording apparatus and recording medium, and computer program
#142OPTICAL HEAD DEVICE AND OPTICAL INFORMATION RECORDING OR REPRODUCING APPARATUS EQUIPPED WITH SAME
#143Optical pickup for recording and reproducing information with a plurality of types of optical information recording mediums
#144Portable optical card readers
#145Optical head device and optical information processing device
#146Optical pickup unit and optical disk apparatus having a phase-differing periodic structure
#147Apparatus comprising a pickup providing three beams for reading data from or writing data to an optical storage medium, and respective optical storage medium
#148Optical disc device and converging position correction method
#149Method of Reading Out Information from a Multiple Layer Optical Recording Medium and Optical Readout Device
#150Optical Pickup Apparatus and Optical Disk Drive
#151Optical pick-up head, optical information apparatus, and optical information reproducing method
#152Optical head device and diffractive element, optical information apparatus, computer, disc player, car navigation system, optical disc recorder, and vehicle
#153Optical Disk Drive and Tracking Error Detection Method For an Optical Disk Drive
#154Optical recording medium recording and reproducing apparatus and tracking control method
#155Optical Reader/Writer With Dedicated Focus Tracking Beam
#156Optical pickup apparatus and beam splitter
#157High Frequency Central Aperture Tracking
#158Cross-Talk Cancellation in Three-Spots Push-Pull Tracking Error Signal in Optical Disc Systems
#159Optical pickup and optical disc unit
#160Device and method for scanning an optical recording medium and optical recording medium
#161Optical System
#162Optical head and optical disk device
#163Optical System With Filtered Push Pull Radial Tracking
#164Radial Tracking Method and Apparatus for an Optical Information Carrier Format with Non-Uniformly Spaced Tracks
#165Optical pick-up and disc apparatus having the same
#166OPTICAL PICK-UP AND DISC APPARATUS HAVING THE SAME
#167Optical System with 3 Spot Radial Tracking
#168Phase shift grating for phase shift differential push-pull tracking
#169OPTICAL INFORMATION STORAGE MEDIUM SYSTEM AND METHOD OF GENERATING TRACKING ERROR SIGNAL
#170Optical pickup device
#171Optical disc medium and optical disc device
#172Optical pickup apparatus
#173Optical pickup device
#174Optical pickup apparatus
#175SIGNAL PROCESSING DEVICE AND OPTICAL DISC PLAYBACK APPARATUS
#176Apparatus and method for controlling tracking error balance in optical disc apparatus
#177TRACK-JUMPING METHOD FOR OPTICAL DISK DRIVE
#178Actuator Position Control Method and Corresponding Apparatus
#179Optical pickup
#180Optical head and optical disc device
#181Diffractive part
#182Optical Disc Device for Recording and Reproducing
#183Optical pick-up head, optical information apparatus, and optical information reproducing method
#184Optical head device with multiple diffracting planes, and an optical information apparatus, computer, video recording/reproducing apparatus, video reproducing apparatus, server, and car navigation system including the same
#185Optical state recognizer, information processor, and optical state recognizing method
#186Optical pick-up head, optical information apparatus, and optical information reproducing method
#187Photodetector capable of correctly carrying out phase adjustment
#188Optical Pickup Device
#189Optical Pickup
#190Optical pick-up head, optical information apparatus, and optical information reproducing method
#191Method and apparatus for determining the reading power of an optical reproducing device
#192Optical pickup and optical disc apparatus
#193Optical pickup unit and optical pickup device having same and information writing/reading device having same
#194Optical head and optical disc device
#195OPTICAL PICK-UP
#196Optical pickup apparatus and optical recording/reproducing system using the same
#197Optical pickup and optical information recording apparatus using the same
#198Optical pickup and optical information recording apparatus using the same
#199Optical pickup and optical information recording apparatus using the same
#200Optical pickup and optical information recording apparatus using the same
#201Optical pickup and optical information recording apparatus using the same
#202Optical-integrated unit and optical pickup device used for reading and/or writing information from/onto an optical record medium
#203Holographic diffraction element and optical pickup device using holographic diffraction element
#204Optical pickup and optical recording or reproducing apparatus
#205Optical pick-up
#206HIGH PASS FILTERING DEVICE FOR AN OPTICAL DISC DRIVE
#207Power control system and related method
#208Signal processing apparatus and method for an optical disc drive
#209Optical disk apparatus and tracking method
#210Laser power control system and method
#211Optical disc device and optical pickup
#212Apparatus for controling servo signal gains of an optical disc drive and method of same
#213Automatic power control system for optical disc drive and method thereof
#214Optical pickup device
#215Objective lens holding device and optical pickup apparatus
#216Apparatus for optical pick-up
#217Optical pickup and optical disc drive
#218Optical recording apparatus
#219Optical disc apparatus, tracking control method, and integrated circuit
#220Diffraction grating and optical pickup device
#221Beam spot position control device and beam spot position control method, and optical disk recording and reproducing device
#222Method of identifying a type of an optical disc and the device therefor
#223Optical pick-up head, optical information apparatus, and optical information reproducing method
#224Optical pick-up head, optical information apparatus, and optical information reproducing method
#225Optical pickup device having three light sources with a holographic element for directing diffraction light to photodetectors
#226Optical pickup apparatus and optical disk apparatus
#227Optical pickup apparatus
#228Optical pickup and optical disc apparatus including a multi-section diffractive element
#229Optical pickup apparatus
#230Differential push-pull gain controlling method and apparatus to reduce the effects of rotational eccentricity
#231Optical pickup device with diffraction patterns on object lens
#232Optical device and optical pickup device
#233Optical pickup device
#234Optical pickup device
#235Optical pickup
#236Apparatus and method for reading information from an information carrier
#237OPTICAL RECORDING DISK APPARATUS
#238OPTICAL HEAD UNIT AND OPTICAL DISC APPARATUS
#239Optical pickup
#240Apparatus for reading and/or writing optical recording media
#241Optical disc apparatus
#242Optical head unit and optical disc apparatus
#243SERVO SYSTEM AND RELATED METHOD OF ADJUSTING THE MAGNITUDE OF DETECTING SIGNALS OUTPUTTED FROM A PICK-UP HEAD BEFORE UTILIZING THE DETECTING SIGNALS TO GENERATE SERVO SIGNALS
#244Optical pickup device and optical disk apparatus
#245Optical pickup
#246Optical pickup device recording and/or reproducing information on and/or from a plurality of kinds of recording media
#247Device and method for reading multilayer optical disk
#248Method and device for adjusting an amplification for producing a focus error signal
#249Disc-driving apparatus and method for controlling the same
#250Optical pickup
#251Optical disc device, optical pickup control method and optical disc discriminating method
#252Optical head and optical disc apparatus
#253Optical element, optical pickup device, and optical information recording and/or reproducing apparatus
#254Optical recording medium, and recording and reproducing method and optical recording and reproducing apparatus of optical recording medium
#255Optical pickup
#256Diffraction element and optical disk device
#257Optical disk apparatus and pickup unit
#258OPTICAL STORAGE DEVICE AND METHOD OF GENERATING TRACKING ERROR SIGNAL THEREIN
#259Disk recording apparatus, method, and recording control program
#260Optical pickup unit and information recording apparatus using the same
#261Multilayer recording medium and optical pickup for recording and/or reproducing the same
#262Optical pickup, optical recording and/or reproducing apparatus using the same, and method for detecting tracking error signal
#263Optical semiconductor device
#264Photo diode ic
#265METHOD FOR ADJUSTING MECHANICAL ERROR OF OPTICAL DISC READING DEVICE
#266Land/groove track and pickup head movement direction detection
#267Optical head unit and optical disc apparatus
#268Diffraction grating, optical pickup device, and optical disk apparatus
#269Optical disk apparatus with phase difference offset
#270Diffraction element and optical pick-up apparatus having the same
#271Diffraction element and optical pick-up apparatus having the same
#272Optical pickup device and focusing control method of the same
#273Optical recording device
#274Diffraction element and optical pick-up apparatus having the same
#275Actuator position control method and corresponding apparatus
#276Apparatus and method for controlling tracking servo in near field optics
#277Diffraction element and optical pick-up apparatus having the same
#278Optical pick-up apparatus and method for multi-optical disk type recording/reproducing
#279Optical pickup apparatus employing a grating and a hologram that generate multiple beams detected by a photodetector
#280Optical information recording/reproducing apparatus comprising spherical aberration mechanism
#281Method of detecting focus error signal of optical head and optical recording/reproducing apparatus utilizing the same
#282Optical pickup, optical disk drive, light detecting apparatus, and signal generating method for optical pickup
#283Optical scanning device
#284Optical pickup
#285Disk area detection method and apparatus
#286Optical pickup device
#287Demodulation of tracking error signal to obtain lens position for lens motion control in an optical disc system
#288Optical scanning device
#289Optical disk apparatus and method of controlling optical disk apparatus
#290Optical disk recording device and pickup device
#291Optical pickup device
#292Optical recording medium having relationship between pit depths, wavelength and refractive index
#293Method of improving readability in optical drives
#294Optical pickup and disc drive apparatus
#295Optical pickup
#296Disc drive calibration with forced track traversing signal
#297Optical head, optical drive apparatus, and method for generating tracking error signal
#298Optical pickup apparatus and optical disc apparatus
#299Light receiving and emitting integrated device, optical pickup provided therewith, and optical disk apparatus
#300Optical head device and optical information recording or reproducing device