Method and apparatus to generate a monitoring signal for an...

Method and circuit for controlling head position

Method and circuit for correcting track zero crossing signal in

Method and circuit for detecting playback signal which is...

Method and circuit for evaluating a wobble signal

Method and circuit for uniformly controlling sled velocity of a

Method and device for adjusting a control parameter of a...

Method and device for adjusting focus bias in optical disc...

Method and device for automatically correcting positioning...

Method and device for canceling a land-groove offset...

Method and device for controlling the position of an optical...

Method and device for controlling tracking of optical memory car

Method and device for correcting optical path deviation of...

Method and device for correcting track deviation in optical disc

Method and device for detecting an amount of actuator offset for

Method and device for directing an incident optical beam to...

Method and device for initializing optical recording medium of p

Method and device for playing optical discs and method for...

Method and device for reading out optically recorded data and co

Method and device for recording and reproducing tracking informa