198040 ⎘
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 into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
Sub-classes:Optical information processing device
#2Non-rotating optical storage using adjustable mirrors
#3DVD navigator based on a vehicle-mounted terminal capable of unloading disc in the sleep state
#4Optical disc drive
#5Information recording apparatus, information recording method, information reproducing apparatus, and information reproducing method
#6Optical head, objective lens, optical disc device, computer, optical disc player, and optical disc recorder
#7Optical read/write apparatus
#8Information processing system
#9INFORMATION PROCESSING SYSTEM
#10APPARATUS AND METHOD FOR PERMANENTLY DELETING DATA OF OPTICAL DISK
#11Optical disc apparatus
#12CONTROL SIGNAL FOR THREE DIMENSIONAL OPTICAL DATA STORAGE
#13Information recording medium, recording/reproducing method, and recording/reproducing apparatus
#14Recording medium of stream data, and recording method and playback method of the same
#15Boundary Detection Apparatus, Boundary Detection Method, Boundary Detection Program, and Information Recording Medium
#16Optical element feeding device and optical pickup unit using the same
#17Method for Improving Robustness of Optical Disk Readout
#18Optical disk drive
#19Method for identifying optical disc type, data recording and/or reproducing apparatus, and medium using the same
#20Alignment of Holographic Images on Detector
#21Apparatus and method for recording and reproducing optical information
#22Pickup unit and disk drive unit provided with such a pickup unit
#23Optical disk device
#24Optical disc apparatus
#25Method for automatically correcting an operation type of a disk drive
#26Drive for disc shaped optical data carrier
#27Optical pickup for optical disk drive and driving method thereof
#28Optical disk device and optical component used therein
#29Apparatus for recording optical information
#30Recording medium of stream data, and recording method and playback method of the same
#31Recording medium of stream data, and recording method and playback method of the same
#32Recording medium of stream data, and recording method and playback method of the same
#33Recording medium of stream data, and recording method and playback method of the same
#34Recording medium of stream data, and recording method and playback method of the same
#35Stream data generation method and partial erase processing method
#36Mirror angle measurement and servo control apparatus for holographic digital data storage system
#37Optical disk drive system with quasi-parallel tasking and servo control method
#38Hologram recording and reproduction apparatus, hologram recording and reproduction method and hologram recording medium
#39Optical pickup device and optical disk record/playback device for reducing the size of the record/playback device
#40Pickup shift device
#41Optical disc apparatus and still operation method capable of performing still operation without deteriorating optical disc