198073 ⎘
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 Electromechanical actuators for lens positioning
Sub-classes:OPTICAL ELEMENT HOLDER, OPTICAL ELEMENT HOLDING DEVICE, AND VAPOR DEPOSITION APPARATUS
#2Optical element driving mechanism
#3Electromagnetic actuators for digital cameras
#4Electromagnetic actuators for digital cameras
#5Optical disc device, control method thereof, program, and information storage medium
#6Optical information processing apparatus and optical information processing method, and adjustment device, adjustment method, and adjustment program for optical information processing apparatus
#7OPTICAL DISK DEVICE AND METHOD OF DRIVING THE SAME
#8Apparatus and method for controlling tape movement in a rotary head data storage system and retrieval system
#9Lens holder driving device capable of easily mounting upper elastic member to outer yoke
#10Lateral displacement and rotational displacement sensor
#11OPTICAL PICKUP APPARATUS AND METHOD OF CONTROLLING THE SAME
#12SMART STEERING FOR FOUR WIRE THREE-DIMENSIONAL (3D) ACTUATOR
#13HOLOGRAPHY WITH INTERFERENCE REVIVAL
#14OPTICAL ELEMENT FOR OPTICAL PICKUP DEVICE, OPTICAL PICKUP DEVICE AND METHOD FOR ASSEMBLING OPTICAL PICKUP DEVICE
#15Use of a photoelectric converted signal to inspect an objective lens driving device
#16Optical pickup apparatus
#17Optical pickup device
#18Hologram information reproducing device
#19Optical pickup, optical disk drive, optical information recording/replaying device, and tilt adjusting method
#20Optical pickup and optical disc device
#21Optical pick up apparatus
#22Optical pickup device, and information recording and reproduction device
#23Method for correcting influence of thickness unevenness of recording medium, information recording/reproducing apparatus using the same method and optical head unit
#24Method for correcting influence of thickness unevenness of recording medium, information recording/reproducing apparatus using the same method and optical head unit
#25Method for correcting influence of thickness unevenness of recording medium, information recording/reproducing apparatus using the same method and optical head unit
#26Method for correcting influence of thickness unevenness of recording medium, information recording/reproducing apparatus using the same method and optical head unit
#27DISC DRIVE WITH IMPROVED RESISTANCE AGAINST MECHANICAL SHOCKS
#28Optical disk apparatus
#29Method for discriminating operation type of a disk device
#30Method of manufacturing an optical device and an optical device thereof
#31Optical pickup for optical disk drive and driving method thereof
#32Disk drive with optical pickup unit
#33Method for correcting influence of thickness unevenness of recording medium, information recording/reproducing apparatus using the same method and optical head unit
#34Method for correcting influence of thickness unevenness of recording medium, information recording/reproducing apparatus using the same method and optical head unit
#35Method for correcting influence of thickness unevenness of recording medium, information recording/reproducing apparatus using the same method and optical head unit
#36Method for correcting influence of thickness unevenness of recording medium, information recording/reproducing apparatus using the same method and optical head unit
#37Disc drive with improved resistance against mechanical shocks
#38Pivoting optical device
#39Multifunctional optical device
#40Optical recording medium tilt compensating device, tilt compensating method, and optical recording device and optical reproducing device utilizing the tilt compensating method
#41Adjustment optical disc for optical pick-up, adjustment method for optical pick-up, and adjustment apparatus for optical pick-up
#42Adjustment optical disc for optical pick-up, adjustment method for optical pick-up, and adjustment apparatus for optical pick-up
#43Spherical aberration compensation actuator and optical pickup system
#44Apparatus for preventing damage of actuator coil in optical disc system and method for the same
#45METHOD FOR CONTROLLING PICK-UP HEAD DURING A LONG SEEK
#46Method for correcting a position of an optical pickup before track following
#47Optical pickup unit and optical disc device
#48Method of driving step motor of compact disc drive