Assembly having flux-directing return yoke for magneto-optical d

Assembly suitable for writing high density data on a...

Audio and general digital data recording and/or reproducing appa

Bias magnetic field abnormality detecting apparatus which contro

Bias magnetic field generating apparatus for magneto-optical rec

Bias magnetic field impress apparatus for opto-magnetic disk app

Bias magnetic field moving apparatus for a photomagnetic recordi

Bias-Magnetic field generating system of photo-magnetic recordin

Bias-magnetic-field generating apparatus in magneto-optical info

Biasing level controller for magneto-optical recording device

Biasing magnet positioning mechanism

Capacitance detection control circuit for positioning a magnetic

Channeled dielectric re-recordable data storage medium

Coil driving system, information storage apparatus, and...

Coil for use with magneto-optical head

Compact disc with additional memory addressable by disc player

Compact optical disc recording/reproducing system

Compact-size magneto-optical head apparatus

Components and assembly procedure for thermal assisted...

Composite magnetic head device for magnetic recording device