Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664319 | Magnetic reinitialization of thin film magnetoresistive reproducing heads at the suspension level of media drive manufacturing | Samir Elias Abboud, Nickolas Christopher Apuzzo, Jeffrey Bernard Brown, David Hannon, Raymond P. Mallette +3 more | 1997-09-09 |
| 5619387 | Disk storage device with spiral data track and incremental error offsets in angularly spaced imbedded concentric servo patterns | Hal Hjalmar Ottesen, Richard Greenberg, Dana H. Brown | 1997-04-08 |
| 5617289 | Magnetic reinitialization of thin film magnetoresistive reproducing heads at the suspension level of media drive manufacturing | Samir Elias Abboud, Nickolas Christopher Apuzzo, Jeffrey Bernard Brown, David Hannon, Raymond P. Mallette +3 more | 1997-04-01 |
| 5570247 | Self servo writing file | Dana H. Brown, Thomas C. Christensen, Wayne A. Rogelstad | 1996-10-29 |
| 5559460 | Peak detection circuit for suppressing magnetoresistive thermal asperity transients in a data channel | — | 1996-09-24 |
| 5557482 | Multipath channel apparatus and method for data storage devices and communications systems wherein a data path is selected based on errors | Thomas C. Christensen | 1996-09-17 |
| 5497111 | Peak detection circuit for suppressing magnetoresistive thermal asperity transients in a data channel | — | 1996-03-05 |
| 5488524 | Self adaptive head for semi-contact recording | — | 1996-01-30 |
| 5455723 | Method and apparatus for ramp load and unload | Zine-Eddine Boutaghou, Hal Hjalmar Ottesen | 1995-10-03 |
| 5442492 | Data recovery procedure using DC offset and gain control for timing loop compensation for partial-response data detection | Joe M. Poss | 1995-08-15 |
| 5412518 | Individual MR transducer head/disk/channel adaptive bias current system | Jodie A. Christner, Gregory Kerwin, Joe M. Poss | 1995-05-02 |
| 5379162 | Customized data recovery procedures selected responsive to readback errors and transducer head and disk parameters | Bradley Ellsworth Hanson | 1995-01-03 |
| 5287235 | Slider air bearing surface with angled rail configuration | Richard Fred Harwood | 1994-02-15 |
| 5245487 | Transducer head for rigid disk drive | — | 1993-09-14 |
| 4970609 | Clocking method and apparatus for use with partial response coded binary data | Townsend H. Porter, Jr., James W. Rae | 1990-11-13 |
| 4945427 | Magnetic disk recording with variable track width and variable track density | — | 1990-07-31 |
| 4860138 | Differentially sensitive single track read/write head design with improved biasing | Albert W. Vinal | 1989-08-22 |
| 4821125 | Compensation of write current adn delta-V for recording component and radial position | Thomas C. Christensen, Jonathan Darrel Coker, Richard C. Jaworski, Gregory Kerwin, Dean C. Palmer +1 more | 1989-04-11 |
| 4613915 | Twin track vertical magnetic recording servo control method and apparatus with offset voltage compensation | William G. Crouse, Albert W. Vinal | 1986-09-23 |
| 4516165 | Error recovery procedure using selective erasure | Dean C. Palmer | 1985-05-07 |
| 4458280 | Servo writing transducer design and writing method | — | 1984-07-03 |
| 4305080 | Compensating driver circuit for thermal print head | David E. Cutshall, Gerald M. Heiling, Ronald L. Soderstrom, James M. Thompson | 1981-12-08 |
| 4286296 | Transducer positioning system | — | 1981-08-25 |