Inventor
OKAMOTO TERUMITSU
JP5 patents
Patents
5 patentsUS5317461AMay 31, 1994
Magnetic disk apparatus having a circuit for detecting a position of servo information recorded on a target track
NEC CORP7 citations72
US5523683AJun 4, 1996
Induction sensor responsive to a displacement of a movable body
NEC CORP14 citations71
US5053899AOct 1, 1991
Exact position control of a relative position between a magnetic head and a recording medium
NEC CORP18 citations69
US5818803AOct 6, 1998
Apparatus for driving an information recording medium and a method for driving same
NEC CORP5 citations61
US4972132ANov 20, 1990
Stepping motor drive control circuit for a magnetic disk drive
NEC CORP1 citations48