Sunnyvale, California
United States
9
2008-04-17
The entities that hold a legal rights for patent applications filed by inventor Lee Dong-Jun:
Dong-Jun Lee from Sunnyvale, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Online identification of secondary actuator transfer function via system decoupling in multiple-stage actuator servo systems in disk drives
#2 | 2008-01-10Method and apparatus for single written-in Repeatable Run-Out correction function used in multi-stage actuation control of hard disk drive
#3 | 2007-12-20Method and apparatus for a single piezoelectric micro-actuator in a head gimbal assembly of a hard disk drive
#4 | 2007-09-20Algorithm for DSA/microactuator total loop gain calibration
#5 | 2006-06-01Method and apparatus for estimating micro-actuator stroke sensitivity in a hard disk drive
#6 | 2006-05-25Method and apparatus using micro-actuator stroke sensitivity estimates in a hard disk drive
#7 | 2006-03-23Method and apparatus of dual stage servo control with dual control paths and decoupling feedback for track following in a hard disk drive
#8 | 2006-01-12Method and apparatus of dual stage servo control for track following in a hard disk drive
#9 | 2005-10-06Method and apparatus of micro-actuator control of the flying height of a read/write head in a hard disk drive
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