198985 ⎘
Signal processing not specific to the method of recording or reproducing; Circuits therefor; Digital recording or reproducing using self-clocking codes characterised by the use of three levels two levels are symmetric, in respect of the sign to the third level which is "zero"
Adaptive correction of symmetrical and asymmetrical saturation in magnetic recording devices
#2Adaptive correction of symmetrical and asymmetrical saturation in magnetic recording devices
#3Detecting a periodic sequence of servo signals
#4Apparatus, system, and method for detecting a periodic sequence of servo signals
#5High-density recording method for hard disk drives and a pre-amplifier circuit suitable for use with same