| Patent | Date |
|---|
Method and apparatus for writing servo bursts with compensation for erase bands in a direct access storage device
Grant 6,023,389 - Cunningham February 8, 2 | 2000-02-08 |
Method and apparatus for reducing servo interference in a magneto-resistive head using skew between head and servo pattern
Grant 5,790,341 - Cunningham , et al. August 4, 1 | 1998-08-04 |
Disk storage device with spiral data track and incremental error offsets in angularly spaced imbedded concentric servo patterns
Grant 5,619,387 - Ottesen , et al. April 8, 1 | 1997-04-08 |
Self servo writing file
Grant 5,570,247 - Brown , et al. October 29, 1 | 1996-10-29 |
Multipath channel apparatus and method for data storage devices and communications systems wherein a data path is selected based on errors
Grant 5,557,482 - Christensen , et al. September 17, 1 | 1996-09-17 |
Peak detection circuit for suppressing magnetoresistive thermal asperity transients in a data channel
Grant 5,497,111 - Cunningham March 5, 1 | 1996-03-05 |
Self adaptive head for semi-contact recording
Grant 5,488,524 - Cunningham January 30, 1 | 1996-01-30 |
Method and apparatus for ramp load and unload
Grant 5,455,723 - Boutaghou , et al. October 3, 1 | 1995-10-03 |
Data recovery procedure using DC offset and gain control for timing loop compensation for partial-response data detection
Grant 5,442,492 - Cunningham , et al. August 15, 1 | 1995-08-15 |
Individual MR transducer head/disk/channel adaptive bias current system
Grant 5,412,518 - Christner , et al. May 2, 1 | 1995-05-02 |
Customized data recovery procedures selected responsive to readback errors and transducer head and disk parameters
Grant 5,379,162 - Cunningham , et al. January 3, 1 | 1995-01-03 |
Slider air bearing surface with angled rail configuration
Grant 5,287,235 - Cunningham , et al. February 15, 1 | 1994-02-15 |
Clocking method and apparatus for use with partial response coded binary data
Grant 4,970,609 - Cunningham , et al. November 13, 1 | 1990-11-13 |
Magnetic disk recording with variable track width and variable track density
Grant 4,945,427 - Cunningham July 31, 1 | 1990-07-31 |
Differentially sensitive single track read/write head design with improved biasing
Grant 4,860,138 - Vinal , et al. August 22, 1 | 1989-08-22 |
Compensation of write current adn delta-V for recording component and radial position
Grant 4,821,125 - Christensen , et al. April 11, 1 | 1989-04-11 |
Twin track vertical magnetic recording servo control method and apparatus with offset voltage compensation
Grant 4,613,915 - Crouse , et al. September 23, 1 | 1986-09-23 |
Error recovery procedure using selective erasure
Grant 4,516,165 - Cunningham , et al. May 7, 1 | 1985-05-07 |
Compensating driver circuit for thermal print head
Grant 4,305,080 - Cunningham , et al. December 8, 1 | 1981-12-08 |
Transducer positioning system
Grant 4,286,296 - Cunningham August 25, 1 | 1981-08-25 |
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