198127 ⎘
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; Heads, e.g. forming of the optical beam spot or modulation of the optical beam; Means for guiding the beam from the source to the record carrier or from the record carrier to the detector Means for controlling the beam wavefront, e.g. for correction of aberration
Sub-classes:Optical disc and optical disc device
#2Optical disc and optical disc device
#3Image display device and light guiding device with diffraction elements
#4Optical disc and optical disc device
#5Optical information reproduction apparatus and optical information reproduction method
#6Optical disc device, control method thereof, program, and information storage medium
#7Holographic memory information encoding method, holographic memory recording method, and holographic memory device
#8OPTICAL DISC DEVICE
#9Method for designing objective lens and objective lens
#10Optical system for optical pickup
#11Optical disk device, optical pickup, and optical recording medium
#12INTEGRATED MICRO-OPTICAL SYSTEMS AND CAMERAS INCLUDING THE SAME
#13Optical disc apparatus
#14Optical pickup apparatus
#15Optical device
#16HOLOGRAM RECORDING DEVICE
#17Objective Lens and Optical Pickup Apparatus
#18METHOD FOR IDENTIFYING AN ABNORMAL DISC
#19Optical disk device
#20Objective lens and optical information recording/reproducing apparatus
#21METHOD AND DEVICE FOR OPTICAL RECORDING MEDIUM, AND OPTICAL RECORDING AND REPRODUCING APPARATUS
#22Objective lens for optical pickup device, optical pickup device and optical information recording/reproducing apparatus
#23RECORDING AND REPRODUCING DEVICE, RECORDING AND REPRODUCING METHOD, RECORDING DEVICE, RECORDING METHOD, REPRODUCING DEVICE, AND REPRODUCING METHOD
#24Optical disc device, method for activating optical disc device, and control circuit
#25Method for determining spherical aberration
#26Liquid crystal optical element and optical pickup apparatus
#27Optical pickup, optical element, optical information device, computer, optical information medium player, car navigation system, optical information medium recorder and optical disk server for use with a light source which emits a divergent beam
#28Hologram recording device
#29Hologram recording device and hologram recording method
#30Apparatus and method for recording/reproducing holographic data
#31Optical Head Device, Optical Information Device, Optical Disc Player, Car Navigation System, Optical Disc Recorder, and Optical Disc Server
#32Aberration Detector and Optical Pickup With Same
#33Optical Scanning Device
#34Optical Pick-Up for Use in a Multi-Disc Optical Player and Method for Correcting Optical Aberrations in Such an Optical Pick-Up Unit
#35Actuator for an Optical Scanning Device
#36Optical pickup device and optical disk apparatus
#37Optical pickup device
#38Integrated micro-optical systems and cameras including the same
#39OPTICAL PICKUP DEVICE
#40OPTICAL PICKUP APPARATUS AND OPTICAL DISC APPARATUS USING THE SAME
#41Optical pickup apparatus
#42Optical disc drive apparatus
#43Objective lens and optical pickup apparatus
#44Optical head and optical disk device capable of detecting spherical aberration
#45Hologram recorder
#46Optical system
#47Objective lens driving unit and optical pickup device having the same
#48Optical pickup device and optical element used for the same
#49Optical pickup device
#50Optical pickup and optical disc apparatus
#51Recording and reproducing apparatus
#52Optical pickup apparatus and optical element
#53Optical pickup apparatus and optical element
#54Aberration detection device and optical pickup device provided with same
#55Light wavefront measuring instrument, light wavefront measuring method, and light source adjusting method
#56Hologram recording device and phase mask having a diffusing pattern with a minimum unit in relation to a minimum unit of a spatial modulator
#57Optical scanning device
#58Hologram recording/reproducing device and optical unit
#59Optical head and optical disk unit
#60Converging optical element and optical pickup apparatus
#61Optical head device
#62Object lens for optical pickup device, optical pickup device and optical information recording/reproducing device
#63Inline type speckle multiplexed hologram recording apparatus and inline type speckle multiplexed hologram recording method
#64Method for adjusting focus or tracking detection unit, and optical disc device
#65Optical 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
#66Objective optical system and optical pickup device using it
#67Objective lens and optical pickup device using it
#68Objective lens
#69Optical pick-up system, optical pick-up device, and optical information recording and/or reproducing apparatus
#70Method for making an optical pickup apparatus having a movable unit supported by springs attached to a fixed unit