Magnetic-tape apparatus comprising a rotary scanning device with

Method and apparatus for a 200 NS write to read switch time...

Method and apparatus for alternatively reading or writing data t

Method and apparatus for decreasing a transition time of a read

Method and apparatus for driving actuator of storage disk...

Method and apparatus for increasing the recording time of a digi

Method and apparatus for maintaining consistent track pitch...

Method and apparatus for producing programmable selection of mus

Method and apparatus for reducing transition time for a magnetic

Method and apparatus for reproducing magnetic tape using rotary

Method and apparatus for reproduction of magnetic tape by using

Method and apparatus for substituting a higher quality audio sou

Method and apparatus for switching between data and servo modes

Method and apparatus for tracking a helical track recording

Method and arrangement for servoing and formatting magnetic reco

Method and device for entering test mode in an integrated...

Method and system for the magnetic recording of information elem

Method for generating head switching signals in video cassette r

Method for recording digital data using a set of heads including

Method for transmitting record control signals and record contro