| Patent | Date |
|---|
Handling of verification data in disk drive cache
Grant 11,422,710 - Ehrlich , et al. August 23, 2 | 2022-08-23 |
Split-actuator Drive That Coordinates Timing Of Aggressor And Victim For Effective Victim Disturbance-feedforward
App 20220246172 - EHRLICH; Richard M. | 2022-08-04 |
Split-actuator Disk Drive That Uses Microactuator Feedforward To Reduce Effects Of Cross-actuator Coupling
App 20220115038 - CALFEE; Gary W. ; et al. | 2022-04-14 |
Handling Of Verification Data In Disk Drive Cache
App 20220050602 - EHRLICH; Richard M. ; et al. | 2022-02-17 |
Split-actuator disk drive that uses microactuator feedforward to reduce effects of cross-actuator coupling
Grant 11,205,450 - Calfee , et al. December 21, 2 | 2021-12-21 |
Split-actuator drive that coordinates timing of aggressor and victim for effective victim disturbance-feedforward
Grant 11,189,309 - Ehrlich November 30, 2 | 2021-11-30 |
Split-actuator disk drive that uses microactuator feedforward to reduce effects of cross-actuator coupling
Grant 11,189,310 - Calfee , et al. November 30, 2 | 2021-11-30 |
Split-actuator Disk Drive That Uses Microactuator Feedforward To Reduce Effects Of Cross-actuator Coupling
App 20210366512 - CALFEE; Gary W. ; et al. | 2021-11-25 |
Split-actuator Disk Drive That Uses Microactuator Feedforward To Reduce Effects Of Cross-actuator Coupling
App 20210366511 - CALFEE; Gary W. ; et al. | 2021-11-25 |
Disk drive with efficient handling of off-track events during sequential write
Grant 11,062,733 - Ehrlich July 13, 2 | 2021-07-13 |
Seek scheduling in a split actuator drive
Grant 11,036,436 - Calfee , et al. June 15, 2 | 2021-06-15 |
Disk Drive With Efficient Handling Of Off-track Events During Sequential Write
App 20210098019 - EHRLICH; Richard M. | 2021-04-01 |
Seek Scheduling In A Split Actuator Drive
App 20210096769 - Calfee; Gary W. ; et al. | 2021-04-01 |
Seek Scheduling In A Split Actuator Drive
App 20210096764 - CALFEE; Gary W. ; et al. | 2021-04-01 |
Shingled magnetic recording drive that updates media cache data in-place
Grant 10,936,498 - Ehrlich , et al. March 2, 2 | 2021-03-02 |
Disk-drive with efficient command reordering
Grant 10,777,218 - Ehrlich Sept | 2020-09-15 |
Disk drive with efficient handling of off-track events during sequential write
Grant 10,770,110 - Ehrlich Sep | 2020-09-08 |
Data center dual stage drive with data striping
Grant 10,685,678 - Ehrlich | 2020-06-16 |
Disk drive that efficiently handles random mixed-R/W command-streams
Grant 10,678,442 - Hara , et al. | 2020-06-09 |
Data Center Dual Stage Drive With Data Striping
App 20200126592 - EHRLICH; Richard M. | 2020-04-23 |
Disk-drive With Efficient Command-reordering
App 20200082844 - EHRLICH; Richard M. | 2020-03-12 |
SMR drive that maintains physical locations of bands via flush/copy operations
Grant 10,565,119 - Schmidt , et al. Feb | 2020-02-18 |
Data center dual stage drive with data striping
Grant 10,431,257 - Ehrlich O | 2019-10-01 |
Disk-drive with efficient command-reordering
Grant 10,418,053 - Ehrlich Sept | 2019-09-17 |
Smr Drive That Maintains Physical Locations Of Bands Via Flush/copy Operations
App 20190278711 - SCHMIDT; Thorsten ; et al. | 2019-09-12 |
Disk-drive With Efficient Command-reordering
App 20190279660 - EHRLICH; Richard M. | 2019-09-12 |
Shingled Magnetic Recording Drive That Updates Media Cache Data In-place
App 20190278710 - EHRLICH; Richard M. ; et al. | 2019-09-12 |
Disk Drive That Efficiently Handles Random Mixed-r/w Command-streams
App 20190163368 - HARA; Takeyori ; et al. | 2019-05-30 |
Scheduling Database Compaction In Ip Drives
App 20190087437 - ZAYAS; Fernando A. ; et al. | 2019-03-21 |
Disk drive that efficiently handles random mixed-R/W command-streams
Grant 10,198,188 - Hara , et al. Fe | 2019-02-05 |
Disk Drive That Efficiently Handles Random Mixed-r/w Command-streams
App 20180260115 - HARA; Takeyori ; et al. | 2018-09-13 |
Hybrid-HDD that gives up old NAND data at the last moment
Grant 9,996,303 - Ehrlich , et al. June 12, 2 | 2018-06-12 |
Power state change in disk drive based on disk access history
Grant 9,940,051 - Ehrlich , et al. April 10, 2 | 2018-04-10 |
Low-overhead storage of a hibernation file in a hybrid disk drive
Grant 9,804,784 - Ehrlich , et al. October 31, 2 | 2017-10-31 |
Write reordering in a hybrid disk drive
Grant 9,747,043 - Zayas , et al. August 29, 2 | 2017-08-29 |
Hybrid-HDD policy for what host-R/W data goes into NAND
Grant 9,703,699 - Ehrlich , et al. July 11, 2 | 2017-07-11 |
Scheduling Database Compaction In Ip Drives
App 20170031959 - ZAYAS; Fernando A. ; et al. | 2017-02-02 |
Hybrid-HDD with improved data retention
Grant 9,536,619 - Ehrlich , et al. January 3, 2 | 2017-01-03 |
Hybrid-hdd With Improved Data Retention
App 20160351270 - EHRLICH; Richard M. ; et al. | 2016-12-01 |
Low-overhead Storage Of A Hibernation File In A Hybrid Disk Drive
App 20160320970 - EHRLICH; Richard M. ; et al. | 2016-11-03 |
Hybrid-hdd That Limits Dirty Data In Nand
App 20160291888 - BUDIMAN; Mine Wonkyung ; et al. | 2016-10-06 |
Hybrid-HDD that limits dirty data in NAND
Grant 9,459,802 - Budiman , et al. October 4, 2 | 2016-10-04 |
Power State Change In Disk Drive Based On Disk Access History
App 20160283155 - EHRLICH; Richard M. ; et al. | 2016-09-29 |
Low-overhead storage of a hibernation file in a hybrid disk drive
Grant 9,417,820 - Ehrlich , et al. August 16, 2 | 2016-08-16 |
Temperature-defined data-storage policy for a hybrid disk drive
Grant 9,396,755 - Budiman , et al. July 19, 2 | 2016-07-19 |
Write Reordering In A Hybrid Disk Drive
App 20160085457 - ZAYAS; Fernando Anibal ; et al. | 2016-03-24 |
Hybrid-hdd Policy For What Host-r/w Data Goes Into Nand
App 20160077962 - EHRLICH; Richard M. ; et al. | 2016-03-17 |
Hybrid-hdd That Gives Up Old Nand Data At The Last Moment
App 20150324121 - EHRLICH; Richard M. ; et al. | 2015-11-12 |
Multi-mode Nand-caching Policy For Hybrid-hdd
App 20150277764 - EHRLICH; Richard M. ; et al. | 2015-10-01 |
Timing of power state change in a disk drive based on disk access history
Grant 8,982,499 - Ehrlich , et al. March 17, 2 | 2015-03-17 |
Timing Of Power State Change In A Disk Drive Based On Disk Access History
App 20150055243 - EHRLICH; Richard M. ; et al. | 2015-02-26 |
Power State Change In Disk Drive Based On Disk Access History
App 20140258745 - EHRLICH; Richard M. ; et al. | 2014-09-11 |
System And Method For Fetching Data During Reads In A Data Storage Device
App 20140250272 - HALL; Andre ; et al. | 2014-09-04 |
Temperature-defined Data-storage Policy For A Hybrid Disk Drive
App 20140233132 - BUDIMAN; Mine Wonkyung ; et al. | 2014-08-21 |
Low-overhead Storage Of A Hibernation File In A Hybrid Disk Drive
App 20140164675 - EHRLICH; Richard M. ; et al. | 2014-06-12 |
Write Reordering In A Hybrid Disk Drive
App 20130242425 - ZAYAS; Fernando A. ; et al. | 2013-09-19 |
Splitting A Data Stream Between Two Storage Media In A Hybrid Disk Drive
App 20120275046 - EHRLICH; Richard M. | 2012-11-01 |
Proximity detection method for magnetic head and recording medium
Grant 8,203,802 - Ehrlich , et al. June 19, 2 | 2012-06-19 |
Proximity Detection Method For Magnetic Head And Recording Medium
App 20110242955 - EHRLICH; Richard M. ; et al. | 2011-10-06 |
Proximity detection method for magnetic head and recording medium
Grant 8,018,669 - Ehrlich , et al. September 13, 2 | 2011-09-13 |
Proximity detection method for magnetic head and recording medium
Grant 8,004,788 - Ehrlich , et al. August 23, 2 | 2011-08-23 |
Proximity Detection Method For Magnetic Head And Recording Medium
App 20110141601 - EHRLICH; Richard M. ; et al. | 2011-06-16 |
Method And System For Generating Random Numbers In A Storage Device
App 20110075840 - Zayas; Fernando A. ; et al. | 2011-03-31 |
Determination of wedge offset correction values for a disk drive
Grant 7,894,156 - Ehrlich , et al. February 22, 2 | 2011-02-22 |
Proximity Detection Method For Magnetic Head And Recording Medium
App 20110013305 - Ehrlich; Richard M. ; et al. | 2011-01-20 |
Low track-per-inch (TPI) zone with reduced need for adjacent-track-erasure (ATE) refresh
Grant 7,864,476 - Ehrlich January 4, 2 | 2011-01-04 |
Determination Of Wedge Offset Correction Values For A Disk Drive
App 20100246056 - EHRLICH; Richard M. ; et al. | 2010-09-30 |
Fly-Height Management Via Harmonic Sensing
App 20100208387 - Ehrlich; Richard M. | 2010-08-19 |
Method And System For Maintaining Cache Data Integrity With Flush-Cache Commands
App 20100205367 - Ehrlich; Richard M. ; et al. | 2010-08-12 |
Disk drive write method
Grant 7,721,049 - Ehrlich , et al. May 18, 2 | 2010-05-18 |
Method and apparatus for phase-shift null-burst-pattern
Grant 7,719,781 - Ehrlich , et al. May 18, 2 | 2010-05-18 |
Hard disk drive off track event method and device
Grant 7,623,312 - Ehrlich November 24, 2 | 2009-11-24 |
Adjacent-track-erasure (ate) Refresh With Increased Track Resolution For Often-written Areas
App 20090244775 - Ehrlich; Richard M. | 2009-10-01 |
Low Track-per-inch (tpi) Zone With Reduced Need For Adjacent-track-erasure (ate) Refresh
App 20090237842 - Ehrlich; Richard M. | 2009-09-24 |
In Drive Written Spirals For Self Servo Writing
App 20090086357 - Ehrlich; Richard M. | 2009-04-02 |
Hard Disk Drive Off Track Event Method And Device
App 20090086366 - Ehrlich; Richard M. | 2009-04-02 |
Systems and methods for rewriting data of data tracks potentially affected by data transfer operations in rotatable storage media
Grant 7,502,283 - Schmidt , et al. March 10, 2 | 2009-03-10 |
Method And Apparatus For Phase-shift Null-burst-pattern
App 20090040641 - Ehrlich; Richard M. ; et al. | 2009-02-12 |
Method and apparatus for phase-shift null-burst-pattern
Grant 7,457,066 - Ehrlich , et al. November 25, 2 | 2008-11-25 |
Disk drive servo
Grant 7,440,224 - Ehrlich , et al. October 21, 2 | 2008-10-21 |
Multi-quadrant wedge offset reduction field values for disk drive servo
App 20080239555 - Ehrlich; Richard M. ; et al. | 2008-10-02 |
Systems and methods for dynamically affecting power dissipation in a disk drive including a fixed output voltage regulator
Grant 7,375,441 - Tanner , et al. May 20, 2 | 2008-05-20 |
Disk drive that balances seek speed and seek acoustics
Grant 7,352,527 - Ehrlich , et al. April 1, 2 | 2008-04-01 |
Systems for self-servowriting in multiple portions with multiple passes per servowriting step
Grant 7,330,330 - Ehrlich February 12, 2 | 2008-02-12 |
Method And Apparatus For Phase-shift Null-burst-pattern
App 20070279786 - Ehrlich; Richard M. ; et al. | 2007-12-06 |
Systems and methods for using worf to identify burst patterns for repair
Grant 7,298,568 - Ehrlich , et al. November 20, 2 | 2007-11-20 |
Systems and methods for multipass servowriting with a null burst pattern
Grant 7,292,402 - Ehrlich , et al. November 6, 2 | 2007-11-06 |
Disk drive write method
App 20070226411 - Ehrlich; Richard M. ; et al. | 2007-09-27 |
Method for optimizing dynamic stroke in the self servo-write process
Grant 7,274,527 - Calfee , et al. September 25, 2 | 2007-09-25 |
Apparatus to reject disk drive disturbance
Grant 7,265,931 - Ehrlich September 4, 2 | 2007-09-04 |
Systems and methods for repairable servo burst patterns
Grant 7,262,930 - Ehrlich , et al. August 28, 2 | 2007-08-28 |
Propagation self servowrite using self-written spiral signals for in-process calibration
Grant 7,256,956 - Ehrlich August 14, 2 | 2007-08-14 |
Disk drive servo
App 20070171564 - Ehrlich; Richard M. ; et al. | 2007-07-26 |
Methods using extended servo patterns with variable multi-pass servowriting and self-servowriting
Grant 7,245,451 - Ehrlich July 17, 2 | 2007-07-17 |
System and method for state space control of seek acoustics
App 20070156396 - Ehrlich; Richard M. | 2007-07-05 |
Methods for conditional servowriting
Grant 7,227,714 - Ehrlich June 5, 2 | 2007-06-05 |
Systems for Self-Servowriting in Multiple Portions with Multiple Passes Per Servowriting Step
App 20070109680 - Ehrlich; Richard M. | 2007-05-17 |
Dynamic stroke optimization in the self servo-write process
Grant 7,215,498 - Calfee , et al. May 8, 2 | 2007-05-08 |
Variable frequency chevron in printed media reference pattern to improve servo demodulation
Grant 7,206,148 - Ehrlich April 17, 2 | 2007-04-17 |
Systems and methods for two-step self-servowriting using optimal intermediate pattern
Grant 7,206,157 - Ehrlich April 17, 2 | 2007-04-17 |
Systems using extended servo patterns with multi-pass servowriting and self-servowriting
Grant 7,199,962 - Ehrlich April 3, 2 | 2007-04-03 |
Systems using extended servo patterns with variable multi-pass servowriting and self-servowriting
Grant 7,190,546 - Ehrlich March 13, 2 | 2007-03-13 |
Methods for selective multi-pass servowriting and self-servowriting
Grant 7,180,696 - Ehrlich February 20, 2 | 2007-02-20 |
Systems for self-servowriting with multiple passes per servowriting step
Grant 7,180,695 - Ehrlich February 20, 2 | 2007-02-20 |
Systems and rotatable media for increasing the usable position error signal (PES) region
Grant 7,177,110 - Ehrlich , et al. February 13, 2 | 2007-02-13 |
Methods for increasing the usable position error signal (PES) region
Grant 7,177,109 - Ehrlich , et al. February 13, 2 | 2007-02-13 |
HDD with rapid availability of critical data after critical event
Grant 7,174,421 - Ehrlich February 6, 2 | 2007-02-06 |
Systems and methods for reducing power dissipation in a disk drive including an adjustable output voltage regulator
Grant 7,170,707 - Tanner , et al. January 30, 2 | 2007-01-30 |
Method for providing variable gain, iterative embedded runout correction in a disk drive
Grant 7,167,336 - Ehrlich , et al. January 23, 2 | 2007-01-23 |
Systems for variable multi-pass servowriting and self-servowriting
Grant 7,167,335 - Ehrlich January 23, 2 | 2007-01-23 |
Methods for self-servowriting using write-current variation
Grant 7,149,043 - Ehrlich December 12, 2 | 2006-12-12 |
Methods for WORF improvement in conditional servowriting
Grant 7,136,251 - Ehrlich , et al. November 14, 2 | 2006-11-14 |
Systems and methods for two-step self-servowriting without removing timing eccentricity on intermediate patterns
Grant 7,133,240 - Ehrlich , et al. November 7, 2 | 2006-11-07 |
Two-pass-per-track servo burst patterns
Grant 7,130,146 - Ehrlich October 31, 2 | 2006-10-31 |
Systems and methods for two-step reference pattern self-servowriting
Grant 7,116,511 - Ehrlich October 3, 2 | 2006-10-03 |
Systems and methods for multipass servowriting with a null burst pattern
App 20060215306 - Ehrlich; Richard M. ; et al. | 2006-09-28 |
Electronic storage device with rapid data availability
App 20060218361 - Ehrlich; Richard M. ; et al. | 2006-09-28 |
Two-pass-per-track servo burst patterns
App 20060209455 - Ehrlich; Richard M. | 2006-09-21 |
Propagation self servowrite using self-written spiral signals for in-process calibration
App 20060209449 - Ehrlich; Richard M. | 2006-09-21 |
Systems and methods for efficient writing of low-RRO phase-burst servo patterns
Grant 7,110,209 - Ehrlich , et al. September 19, 2 | 2006-09-19 |
Methods for self-servowriting with multiple passes per servowriting step
Grant 7,106,543 - Ehrlich September 12, 2 | 2006-09-12 |
Methods for WORF improvement in conditional servowriting
Grant 7,106,548 - Ehrlich September 12, 2 | 2006-09-12 |
Systems for selective multi-pass servowriting and self-servowriting
Grant 7,099,105 - Ehrlich August 29, 2 | 2006-08-29 |
Systems and methods for two-step self-servowriting using per-head final pattern writing
Grant 7,099,107 - Ehrlich August 29, 2 | 2006-08-29 |
Methods to determine gross and fine positioning on a reference surface of a media
Grant 7,095,580 - Ehrlich , et al. August 22, 2 | 2006-08-22 |
Methods for searching for SAM patterns using multiple sets of servo demodulation detection parameters
Grant 7,092,177 - Ehrlich August 15, 2 | 2006-08-15 |
Template pattern for improving printed media self-servo writing
Grant 7,092,183 - Ehrlich August 15, 2 | 2006-08-15 |
Marker-zone to determine gross positioning on a reference surface of a media
Grant 7,092,182 - Ehrlich , et al. August 15, 2 | 2006-08-15 |
Method to reject disk drive disturbance
Grant 7,088,546 - Ehrlich August 8, 2 | 2006-08-08 |
Servo demodulator systems including multiple servo demodulators
Grant 7,075,742 - Ehrlich July 11, 2 | 2006-07-11 |
Methods for searching for SAM patterns at multiple nominal frequencies
Grant 7,072,128 - Ehrlich July 4, 2 | 2006-07-04 |
Systems and methods for efficient writing of low-RRO phase-burst servo patterns
App 20060132962 - Ehrlich; Richard M. ; et al. | 2006-06-22 |
Systems and methods for conditional servowriting
Grant 7,061,708 - Ehrlich , et al. June 13, 2 | 2006-06-13 |
Systems for searching for SAM patterns at multiple nominal frequencies
Grant 7,054,083 - Ehrlich May 30, 2 | 2006-05-30 |
Methods for improving printed media self-servo writing
Grant 7,054,092 - Ehrlich May 30, 2 | 2006-05-30 |
Systems and methods for reducing power dissipation in a disk drive including an adjustable output voltage regulator
App 20060103965 - Tanner; Brian K. ; et al. | 2006-05-18 |
Methods for increasing the usable position error signal (PES) region
App 20060098326 - Ehrlich; Richard M. ; et al. | 2006-05-11 |
Systems and methods for dynamically affecting power dissipation in a disk drive including a fixed output voltage regulator
App 20060097708 - Tanner; Brian K. ; et al. | 2006-05-11 |
Systems and rotatable media for increasing the usable position error signal (PES) region
App 20060098327 - Ehrlich; Richard M. ; et al. | 2006-05-11 |
Systems for self-servowriting using write-current variation
Grant 7,027,244 - Ehrlich April 11, 2 | 2006-04-11 |
Variable frequency chevron in printed media reference pattern to improve servo demodulation
Grant 7,019,925 - Ehrlich March 28, 2 | 2006-03-28 |
Systems for detecting multiple occurrences of a SAM pattern to thereby improve servo-demodulation robustness
Grant 7,016,133 - Ehrlich March 21, 2 | 2006-03-21 |
Method for microjog calibration by read-write zone
App 20060056093 - Ehrlich; Richard M. ; et al. | 2006-03-16 |
System for microjog calibration by read-write zone
App 20060056092 - Ehrlich; Richard M. ; et al. | 2006-03-16 |
Systems and methods for printed-media SSW reference pattern with extra servo bursts used near OD
Grant 7,009,802 - Ehrlich March 7, 2 | 2006-03-07 |
Systems for preventing channel control values from being corrupted to thereby improve servo-demodulation robustness
Grant 7,006,311 - Ehrlich February 28, 2 | 2006-02-28 |
Systems for improving servo-demodulation robustness
Grant 7,006,315 - Ehrlich February 28, 2 | 2006-02-28 |
Methods for preventing channel control values from being corrupted to thereby improve servo-demodulation robustness
Grant 7,006,312 - Ehrlich February 28, 2 | 2006-02-28 |
Methods for variable multi-pass servowriting and self-servowriting
Grant 6,999,264 - Ehrlich February 14, 2 | 2006-02-14 |
Methods for detecting multiple occurrences of a SAM pattern to thereby improve servo-demodulation robustness
Grant 6,995,935 - Ehrlich February 7, 2 | 2006-02-07 |
Methods using extended servo patterns with multi-pass servowriting and self-servowriting
Grant 6,995,937 - Ehrlich February 7, 2 | 2006-02-07 |
Systems for WORF improvement in conditional servowriting
Grant 6,995,940 - Ehrlich February 7, 2 | 2006-02-07 |
Systems for limiting channel control values to thereby improve servo-demodulation robustness
Grant 6,992,856 - Ehrlich January 31, 2 | 2006-01-31 |
Methods for limiting channel control values to thereby improve servo-demodulation robustness
Grant 6,992,855 - Ehrlich January 31, 2 | 2006-01-31 |
Systems for conditional servowriting
Grant 6,987,632 - Ehrlich January 17, 2 | 2006-01-17 |
Systems and methods for two-step self-servowriting using per-head final pattern writing
App 20060007583 - Ehrlich; Richard M. | 2006-01-12 |
Method for optimizing dynamic stroke in the self servo-write process
App 20060005403 - Calfee; Gary W. ; et al. | 2006-01-12 |
Systems and methods for two-step self-servowriting without removing timing eccentricity on intermediate patterns
App 20060007585 - Ehrlich; Richard M. ; et al. | 2006-01-12 |
Systems and methods for two-step self-servowriting using optimal intermediate pattern
App 20060007584 - Ehrlich; Richard M. | 2006-01-12 |
Systems and methods for two-step reference pattern self-servowriting
App 20060007586 - Ehrlich; Richard M. | 2006-01-12 |
Methods for improving printed media self-servo writing
App 20060001999 - Ehrlich; Richard M. | 2006-01-05 |
Dynamic stroke optimization in the self servo-write process
App 20050280916 - Calfee, Gary W. ; et al. | 2005-12-22 |
Variable Frequency Chevron In Printed Media Reference Pattern To Improve Servo Demodulation
App 20050275963 - Ehrlich, Richard M. | 2005-12-15 |
Systems for self-servowriting with multiple passes per servowriting step
App 20050248872 - Ehrlich, Richard M. | 2005-11-10 |
Methods Using Extended Servo Patterns With Multi-pass Servowriting And Self-servowriting
App 20050237653 - Ehrlich, Richard M. | 2005-10-27 |
Methods for selective multi-pass servowriting and self-servowriting
App 20050237658 - Ehrlich, Richard M. | 2005-10-27 |
Methods for conditional servowriting
App 20050237649 - Ehrlich, Richard M. | 2005-10-27 |
Systems using extended servo patterns with variable multi-pass servowriting and self-servowriting
App 20050237656 - Ehrlich, Richard M. | 2005-10-27 |
Methods for self-servowriting using write-current variation
App 20050237645 - Ehrlich, Richard M. | 2005-10-27 |
Methods for variable multi-pass servowriting and self-servowriting
App 20050237654 - Ehrlich, Richard M. | 2005-10-27 |
Systems for self-servowriting using write-current variation
App 20050237646 - Ehrlich, Richard M. | 2005-10-27 |
Methods using extended servo patterns with variable multi-pass servowriting and self-servowriting
App 20050237655 - Ehrlich, Richard M. | 2005-10-27 |
Systems for conditional servowriting
App 20050237648 - Ehrlich, Richard M. | 2005-10-27 |
Systems For Worf Improvement In Conditional Servowriting
App 20050237659 - Ehrlich, Richard M. | 2005-10-27 |
Systems for selective multi-pass servowriting and self-servowriting
App 20050237657 - Ehrlich, Richard M. | 2005-10-27 |
Methods for WORF improvement in conditional servowriting
App 20050237650 - Ehrlich, Richard M. | 2005-10-27 |
Ramp arrangement and method for measuring the position of an actuator in a rotating media data storage device
Grant 6,946,854 - Zayas , et al. September 20, 2 | 2005-09-20 |
Methods for improving servo-demodulation robustness
Grant 6,943,981 - Ehrlich September 13, 2 | 2005-09-13 |
Ramp arrangement and method for measuring the position of an actuator in a rotating media data storage device
Grant 6,933,735 - Zayas , et al. August 23, 2 | 2005-08-23 |
Stepping power consumption levels in a hard disk drive to maximize performance while minimizing power consumption
App 20050174678 - Zayas, Fernando A. ; et al. | 2005-08-11 |
Systems and methods for using worf to identify burst patterns for repair
App 20050157416 - Ehrlich, Richard M. ; et al. | 2005-07-21 |
Variable frequency chevron in printed media reference pattern to improve servo demodulation
App 20050157417 - Ehrlich, Richard M. | 2005-07-21 |
Systems and methods for conditional servowriting
App 20050141124 - Ehrlich, Richard M. ; et al. | 2005-06-30 |
Systems and methods for rewriting user data in rotatable storage media
App 20050141129 - Schmidt, Thorsten ; et al. | 2005-06-30 |
Operating a rotatable media storage device at multiple spin-speeds
App 20050141375 - Ehrlich, Richard M. ; et al. | 2005-06-30 |
Methods for WORF improvement in conditional servowriting
App 20050141126 - Ehrlich, Richard M. ; et al. | 2005-06-30 |
Systems and methods for rewriting data of data tracks potentially affected by data transfer operations in rotatable storage media
App 20050141128 - Schmidt, Thorsten ; et al. | 2005-06-30 |
Methods to determine gross and fine positioning on a reference surface of a media
App 20050128629 - Ehrlich, Richard M. ; et al. | 2005-06-16 |
Template pattern for improving printed media self-servo writing
App 20050128621 - Ehrlich, Richard M. | 2005-06-16 |
Marker-zone to determine gross positioning on a reference surface of a media
App 20050128620 - Ehrlich, Richard M. ; et al. | 2005-06-16 |
Method for storing HDD critical data in flash
App 20050125600 - Ehrlich, Richard M. | 2005-06-09 |
HDD with rapid availability of critical data after critical event
App 20050125601 - Ehrlich, Richard M. | 2005-06-09 |
Method for providing critical data in an HDD after critical event
App 20050125651 - Ehrlich, Richard M. | 2005-06-09 |
Rapid availability of critical data through reallocation
App 20050122610 - Ehrlich, Richard M. | 2005-06-09 |
Method for rapid availability of critical data through re-allocation
App 20050125603 - Ehrlich, Richard M. | 2005-06-09 |
HDD with storage of critical data in FLASH
App 20050125602 - Ehrlich, Richard M. | 2005-06-09 |
Systems and methods for repairable servo burst patterns
App 20050073770 - Ehrlich, Richard M. ; et al. | 2005-04-07 |
Systems for limiting channel control values to thereby improve servo-demodulation robustness
App 20050063088 - Ehrlich, Richard M. | 2005-03-24 |
Methods for limiting channel control values to thereby improve servo-demodulation robustness
App 20050063087 - Ehrlich, Richard M. | 2005-03-24 |
Methods for searching for SAM patterns using multiple sets of servo demodulation detection parameters
App 20050013027 - Ehrlich, Richard M. | 2005-01-20 |
Systems for searching for SAM patterns at multiple nominal frequencies
App 20050013031 - Ehrlich, Richard M. | 2005-01-20 |
Servo demodulator systems including multiple servo demodulators
App 20050013026 - Ehrlich, Richard M. | 2005-01-20 |
Methods for searching for SAM patterns at multiple nominal frequencies
App 20050013030 - Ehrlich, Richard M. | 2005-01-20 |
Disk drive disturbance rejection using accelerometer and/or back-EMF measurements
App 20040257693 - Ehrlich, Richard M. | 2004-12-23 |
Method to reject disk drive disturbance
App 20040257692 - Ehrlich, Richard M. | 2004-12-23 |
Disk drive system model for determining a threshold to perform disturbance rejection
App 20040246833 - Ehrlich, Richard M. | 2004-12-09 |
Disk drive disturbance rejection using spindle motor speed
App 20040246617 - Ehrlich, Richard M. | 2004-12-09 |
Apparatus to reject disk drive disturbance
App 20040246618 - Ehrlich, Richard M. | 2004-12-09 |
Ramp arrangement and method for measuring the position of an actuator in a rotating media data storage device
App 20040140816 - Zayas, Fernando A. ; et al. | 2004-07-22 |
Ramp arrangement and method for measuring the position of an actuator in a rotating media data storage device
App 20040140795 - Zayas, Fernando A. ; et al. | 2004-07-22 |
Systems for preventing channel control values from being corrupted to thereby improve servo-demodulation robustness
App 20040125479 - Ehrlich, Richard M. | 2004-07-01 |
Methods for improving servo-demodulation robustness
App 20040125484 - Ehrlich, Richard M. | 2004-07-01 |
Systems for detecting multiple occurrences of a SAM pattern to thereby improve servo-demodulation robustness
App 20040125481 - Ehrlich, Richard M. | 2004-07-01 |
Methods for detecting multiple occurrences of a SAM pattern to thereby improve servo-demodulation robustness
App 20040125482 - Ehrlich, Richard M. | 2004-07-01 |
Systems for improving servo-demodulation robustness
App 20040125483 - Ehrlich, Richard M. | 2004-07-01 |
Methods for preventing channel control values from being corrupted to thereby improve servo-demodulation robustness
App 20040125485 - Ehrlich, Richard M. | 2004-07-01 |
Hard disk drive having self-written servo burst patterns
Grant 6,519,107 - Ehrlich , et al. February 11, 2 | 2003-02-11 |
Synchronous detection of wide bi-phase coded servo information for disk drive
App 20020150179 - Leis, Michael D. ; et al. | 2002-10-17 |
Synchronous detection of wide bi-phase coded servo information for disk drive
Grant 6,452,990 - Leis , et al. September 17, 2 | 2002-09-17 |
In-drive correction of servo pattern errors
Grant 6,061,200 - Shepherd , et al. May 9, 2 | 2000-05-09 |
In drive correction of servo pattern errors
Grant 5,793,559 - Shepherd , et al. August 11, 1 | 1998-08-11 |
Position feedback system for volume holographic storage media
Grant 5,777,760 - Hays , et al. July 7, 1 | 1998-07-07 |
Disk drive having on-board triggered digital sampling analyzer
Grant 5,444,583 - Ehrlich , et al. August 22, 1 | 1995-08-22 |
Digital multi-rate notch filter for sampled servo digital control system
Grant 5,325,247 - Ehrlich , et al. June 28, 1 | 1994-06-28 |
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