System for controlling recording and reproducing data using...

System for controlling rotary drive of recorded disk player

System for controlling the change of read side for an optical re

System for copy protection of recorded information

System for creating, reading and writing on rotatable informatio

System for creating, reading and writing on rotatable informatio

System for creating, reading and writing on rotatable informatio

System for creating, reading and writing on rotatable informatio

System for creating, reading and writing on rotatable informatio

System for creating, reading and writing on rotatable informatio

System for creating, reading and writing on rotatable informatio

System for creating, reading and writing on rotatable informatio

System for creating, reading and writing on rotatable informatio

System for creating, reading and writing on rotatable informatio

System for creating, reading and writing on rotatable informatio

System for creating, reading and writing on rotatable informatio

System for creating, reading and writing on rotatable storage me

System for creating, reading and writing on rotatable...

System for creating, reading and writing on rotatable...

System for detecting a CD on a tray in a compact disk player hav