Solid state optical data reader using an electric field for rout

Solid state optical disk reader

Solid state optical disk reader

Speed control of optical information reproduction apparatus

Speed detection apparatus, speed control motor, and track jump c

Spherical aberration compensation actuator and optical...

Spherical aberration compensation adjustment

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

Subaperture coarse tracking optical system for optical data stor