198080 ⎘
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 Piezo-electric actuators
Angular motor shaft with rotational attenuation
#2OPTICAL DISC AND RECORDING AND REPRODUCING APPARATUS AND METHOD
#3Optical pickup assemblies and drive systems with the same
#4Objective lens actuator utilizing piezoelectric elements
#5Micro-Actuator, HGA Equipped with the Micro-Actuator and Method for Manufacturing the HGA
#6Micro-actuator, HGA equipped with the micro-actuator and method for manufacturing the HGA
#7Optical near-field generator and recording and reproduction apparatus
#8Optical pickup device having an electromechanical conversion element for recording and/ or reproducing information
#9Optical head having a position detection portion and optical disk device utilizing the optical head
#10Optical pickup device
#11Method for forming optical aperture, near-field optical head, method for fabricating near-field optical head, and information recording/reading apparatus
#12Objective lens actuator and optical pickup unit employing the same
#13Optical pickup apparatus
#14Write/read head supporting mechanism, and write/read system
#15Lens driving device for optical read and/or write system and optical read/write system
#16SYNTHETIC NUMERICAL APERTURE DEVICE AND METHOD
#17Optical head device, and optical recording/reproducing device