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Dive into the research topics where Mark David Hagen is active.

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Featured researches published by Mark David Hagen.


Archive | 1982

Rotatable display work station

Mark David Hagen; Peter J. Mendel; John Leon Regehr


Archive | 1992

Disk drive servo control

Todd Barry Anderson; Mark E. Bofferding; Martin Ren Green; Mark David Hagen; Joseph M. Humel; William J. Hunt; Lawrence Peter Segar; John Jeffrey Stephenson; Michael Charles Stich


Archive | 1995

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

Dana Henry Brown; Earl Albert Cunningham; Kevin Jack Erickson; Richard Hunt Estry; Thomas William Glaser; Mark David Hagen; Hal Hjalmar Ottesen; Dean Curtis Palmer; John Jeffrey Stephenson


Archive | 1995

Method and apparatus for reducing servo interference in a magneto-resistive head using skew between head and servo pattern

Earl Albert Cunningham; Jodie Ann Christner; Thomas Charles Christensen; David Timothy Flynn; Mark Andrew Bergquist; Mark David Hagen


Archive | 1991

Method and apparatus for positioning transducers

Dana Henry Brown; Earl Albert Cunningham; Kevin Jack Erickson; Richard Hunt Estry; Thomas William Glaser; Mark David Hagen; Hal Hjalmar Ottesen; Dean Curtis Palmer; John Jeffrey Stephenson


Archive | 1996

Method and apparatus for servo positioning in a direct access storage device with a transducer read element width greater than ⅓ and less than ½ width of a data cylinder

Dana Henry Brown; Mark David Hagen; John Charles Purkett


Archive | 1994

Method and apparatus for phase modulated servo positioning in a direct access storage device

Todd Barry Anderson; Mark David Hagen


Archive | 1994

Verfahren und Vorrichtung zur Positionnierung mittels Phasenmodulation in einer Speichereinheit mit direktem Zugriff METHOD AND DEVICE FOR THE POSITIONING by means of phase modulation in a storage unit with direct access

Todd Barry Anderson; Mark David Hagen


Archive | 1994

Device for demodulating phase modulation servo signal and phase modulation servo method

Todd Barry Anderson; Mark David Hagen; バリー アンダーソン トッド; デイビッド ヘイゲン マーク


Archive | 1991

Verfahren und Vorrichtung zum Positionieren von Wandlern

Dana Henry Brown; Earl Albert Cunningham; Kevin Jack Erickson; Richard Hunt Estry; Thomas William Glaser; Mark David Hagen; Hal Hjalmar Ottesen; Dean Palmer; John Jeffrey Stephenson

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