198055 ⎘
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; Arrangements for mechanically moving the whole head; Sled-type positioners with position sensing by means of an auxiliary system using an external scale
LONG SEEK CONTROL SYSTEM AND METHOD THEREOF USED IN OPTICAL INFORMATION REPRODUCTION/RECORDING SYSTEM
#2OPTICAL DISK DEVICE
#3Optical disk drive
#4OPTICAL DISC DRIVE AND METHOD OF CONTROLLING ACTUATOR
#5Optical disc drive apparatus, method of controlling the position of optical pickup unit, method of detecting an innermost positon of an optical pickup unit
#6Optical disk device and optical component used therein
#7Optical disk drive, information processing apparatus and control method of optical disk drive
#8Method and apparatus for determining position of optical pick-up head
#9Method and apparatus for detecting the landing of optical pickup head
#10Position control of opticial head in a recording device