Track-synchronous audio signal recording method and apparatus

Tracking circuit for an optical information recording and reprod

Tracking control device

Tracking error balance adjustment circuit and a current...

Tracking error detecting apparatus for an optical head with skew

Tracking error detecting apparatus for optical head

Tracking error detecting system for optical head

Tracking error signal detecting device with a two-beam system fo

Tracking servo signal generating device for an optical disc

Tracking servo system for an information recording disc player

Tracking signal error generator for optical information devices

Transferring information via the lead-in area of an information

Trial writing method and optical disk system using the same

Two axis electromagnetic actuator

Two axis electromagnetic actuator with axis balanced suspension

Universal CD player

User table of contents data recovering method of a recordable op

Variable data recording/reproducing control apparatus and...

Variable data recording/reproducing speed control apparatus...

Variable speed disk drive and method of controlling the disk...