Magnetic card reader

Magnetic head apparatus with variable inductance

Magnetic recording correction circuit for reducing interference

Magnetic recording/reproducing apparatus with rotary drum...

Method and apparatus for demodulating a servo burst signal in a

Method and apparatus for performing seek operations in a...

Method and apparatus for preparing recorded program material to

Method and device for improving bass response in magnetic tape r

Method for digitally demodulating position signals recorded on r

Methods for searching for SAM patterns at multiple nominal...

Methods for searching for SAM patterns using multiple sets...

Modulator-demodulator for obtaining and demodulating frequency-m

Moire interference reducing circuit for FM video recorders

Multiple servo sensor configuration for magnetic tape timing...