Inventor
HENDERSON IAN E
US6 patents
Patents
6 patentsUS5038333AAug 6, 1991
Positioning systems including reliable track crossing detection for high speed relative motions
IBM59 citations94
US4914725AApr 3, 1990
Transducer positioning servo mechanisms employing digital and analog circuits
IBM86 citations93
US5090002AFeb 18, 1992
Positioning systems employing velocity and position control loops with position control loop having an extended range
IBM22 citations91
US5272692ADec 21, 1993
Data storage member having areas in which intensity-modulated signals are overlaid with magneto-optically recorded signals
IBM6 citations61
US5050144ASep 17, 1991
Recording intensity modulated signals and polarization-modulated optical signals in the same area of a storage member
IBM6 citations61
US5555237ASep 10, 1996
Contamination detection apparatus and method using write power calibration values
IBM3 citations57