Arcuate scanning tape drive with a servo mechanism...
Arrangement for positioning a transducer to at least one track o
Arrangement for recording and indexing information
Arrangement for reproducing an electric signal
Arrangement for retrieving information recorded on a semi-random
Asymmetric seek velocity profile to improve power failure...
Asynchronous analog demodulator and method for a null-type...
Asynchronous digital demodulator and method for a null-type...
Asynchronous digital PES demodulation disk drive servo control s
Asynchronous position error signal detector employing weighted a
Asynchronous track code encodement and detection for disk drive
Atmospheric pressure measuring apparatus and method of...
Audio cassette player with permanently installed cassette
Audio recorder which can play back a temporal code irrespective
Audiocard return mechanism
Aural-visual product display
Auto centering of disks on a hard disk drive
Auto reverse cassette deck capable of recording/reproducing with
Auto reverse type tape player capable of selectively switching b
Auto tracking apparatus for scanning tracks with controllable he