Fast closure method for a data signal channel
Fast erase method and apparatus for digital media
File protect and amount of tape sensing apparatus
File protect sleeve
Filter calibration method in a disc drive and apparatus
Filter for disk drive bi-phase servo demodulation
Filtering a read signal to attenuate secondary pulses caused by
Flaw detector for magnetographic quality inspection
Floppy disc device with a delay mechanism
Floppy disc drive unit
Floppy disc magnetic head apparatus compatible with both horizon
Floppy disk driving with suitable on-delay and off-delay timing
Floppy disk interface with multiple disk images
Flux closed single pole perpendicular head for ultra narrow...
FM audio record reproducing apparatus having circuitry for preve
Four head sequential switch scanning type magnetic recording/rep
Frequency domain approach for efficient computation of...
Frequency extension method and apparatus for fast rise time...
Frequency response adjusting device for magnetic sound recorder
Frequency response equalizer