Spherical aberration compensation by wavelength
Split type optical pick-up device
Split type optical pick-up device with a tracking error detector
Stabilized optical pick-up device inhibiting the effect of the f
Stabilized optical pick-up unit for use in a disk player
Startup procedure of optical drive after recording or...
Steering laser beam while etching optical servo tracks for magne
Stepping motor control method and disk drive apparatus
Stepping motor control method and disk drive apparatus
Storage apparatus
Storage apparatus and its focus control method
Storage apparatus and servo recovery method of it
Stylus position sensing apparatus for video disc player
Stylus tracking aid using two bimorph elements longitudinally al
Subaperture coarse tracking optical system for optical data stor
Subminiature rotary actuator optical head
Substrate for optical recording medium, optical recording...
Substrate for optical recording medium, optical recording...
Super-resolution optical head apparatus
Support structure for an optical pickup