| 8006172 |
Auxiliary path iterative decoding |
Keith Gary Boyer, Jin Lu |
2011-08-23 |
| 7911730 |
Magnetic head and tape drive for reading multiple data formats |
— |
2011-03-22 |
| 7675710 |
Tape drive with read/write head having legacy read elements and with special-purpose read channels |
Matthew P. Wojciechowski |
2010-03-09 |
| 7478315 |
Parallel spectral equalization channels with low density parity check codes |
David Pereira |
2009-01-13 |
| 7206873 |
Throughput optimization by activation of selected parallel channels in a multichannel tape drive |
— |
2007-04-17 |
| 7139141 |
System and method for read/write optimization |
James C. Cates, Keith Gary Boyer, Robert G. Brocko, Larry Blanchard, Michael L. Leonhardt |
2006-11-21 |
| 7019930 |
Digital filtering and digital automatic gain control for a variable speed read channel |
— |
2006-03-28 |
| 7006317 |
Dynamically allocated parallel equalization and detection of a PRML read channel in a multi-channel drive |
Richard A. Gill, Keith Gary Boyer |
2006-02-28 |
| 6894858 |
Read equalizer optimization based on the PTR effects to write equalization |
Keith Gary Boyer |
2005-05-17 |
| 6870698 |
Drum electronics control interface and protocol for recording/reproducing apparatus |
Michael Blatchley |
2005-03-22 |
| 6744594 |
Servo write head with gaps for writing high and low frequency transitions |
Edward V. Denison, Mark L. Watson, Steven G. Trabert |
2004-06-01 |
| 6710967 |
High frequency and low frequency servo pattern |
Robert G. Brocko, Steven G. Trabert, Ronald Dean Gillingham |
2004-03-23 |
| 5637999 |
Opamp based broad band phase shifter for use in detecting flaws in the media of disks for use in disk drives |
— |
1997-06-10 |