Inventor
CUNNINGHAM EARL ALBERT
US21 patents
⚠️ This page may combine multiple inventors who share the name “CUNNINGHAM EARL ALBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
20 patentsUS6005742ADec 21, 1999
Method and apparatus for controlling a multiple-stage actuator for a disk drive
IBM65 citations96
US5936788AAug 10, 1999
Method and apparatus for ramp load and unload
IBM47 citations96
US5920441AJul 6, 1999
Method and apparatus for controlling a multiple-stage actuator for a disk drive
IBM86 citations96
US5831786ANov 3, 1998
Disk drive having position sensor for ramp load and unload, and method for its use
IBM38 citations96
US5790334AAug 4, 1998
Circuit and method for optimizing bias supply in a magnetoresistive head based on the thermal properties of the MR head itself
IBM53 citations96
US6002540ADec 14, 1999
Method and apparatus for rotary actuator arc compensation correction in a direct access storage device
IBM20 citations92
US5978163ANov 2, 1999
Circuit and method for optimizing bias supply in a magnetoresistive head based on temperature
IBM44 citations92
US5854722ADec 29, 1998
Method and apparatus for rotary actuator arc compensation correction in a direct access storage device
IBM43 citations92
US6043942AMar 28, 2000
Selectable write precompensation in a direct access storage device (DASD)
IBM35 citations91
US5748415AMay 5, 1998
Magnetoresistive head with a magnetoresistive film shaped to provide an improved read sensitivity profile
IBM20 citations90
US5682274AOct 28, 1997
Method and apparatus for positioning transducers to correct for read and write element misregistration offsets which vary dependent on rotary actuator angular position across a disk medium
IBM34 citations88
US6079044AJun 20, 2000
Method and error correcting code (ECC) apparatus for storing predefined information with ECC in a direct access storage device
IBM9 citations74
US6057977AMay 2, 2000
Compact servo pattern optimized for M-R heads
IBM11 citations74
US6014277AJan 11, 2000
Multipath channel apparatus and method using offset parameters to compensate for amplitude and timing errors in data storage devices
IBM7 citations72
US5923502AJul 13, 1999
Magneto-resistive head including a selectively placed low-reluctance path between shields
IBM15 citations70
US5783981AJul 21, 1998
Magnetic reinitialization of thin film magnetoresistive reproducing heads at the suspension level of media drive manufacturing
IBM10 citations69
US5664319ASep 9, 1997
Magnetic reinitialization of thin film magnetoresistive reproducing heads at the suspension level of media drive manufacturing
IBM10 citations69
US6307705B1Oct 23, 2001
Method and apparatus for reducing track switch latency in a disk drive
IBM10 citations67
US5790352AAug 4, 1998
Magnetoresistive head with asymmetric leads
IBM3 citations63
US5859739AJan 12, 1999
Magnetic data reading apparatus and method using inductive and magnetoresistive heads
IBM6 citations60