Apparatus for finely adjusting optical components

Apparatus for fixing a half mirror of an optical pickup and...

Apparatus for fixing half mirror of optical pickup

Apparatus for focusing a light beam onto an information memory m

Apparatus for high density holographic optical data storage

Apparatus for high-speed recording compressed digital audio data

Apparatus for improved search on information storage member rota

Apparatus for initializing and method of manufacturing...

Apparatus for insertion of information into existing information

Apparatus for insertion of information into existing information

Apparatus for making a data record carrier

Apparatus for monitoring optical path differences utilizing an e

Apparatus for mounting and rotating an optical card for recordin

Apparatus for optically recording and reproducing information fr

Apparatus for optically scanning an information plane

Apparatus for pre-forming servo-track portions and sector addres

Apparatus for reading an optical record carrier

Apparatus for reading from and/or writing to optical...

Apparatus for reading information

Apparatus for reading optically encoded soundtracks