Track selection control means for magnetic signal recording and

Track-following servo for disk drive with multiple reference win

Transducer for data storage device

Transmissive doppler frequency shifter

Transversal filter used as an equalizer for data readout from a

Two-sided use of floppy disks

Ultra Fast Backup (UFB) track concept and method for...

Using a measured error to determine coefficients to provide...

Using a measured error to determine coefficients to provide...

Using a read element and a read/write coupling path to detect wr

Using read channel noise to initialize read channel for head pos

Validator for magnetic tickets

Variable frequency-response equalizer

Variable read output impedance control circuit for a...

Variable speed recording and/or reproducing apparatus including

VCM driver and PWM amplifier

Verification of recorded messages

Video and audio signal recording apparatus with editing-use eras

Video cassette recorder power supply capable of breaking supply

Video cassette selection machine