Inventor
HAGEN MARK D
US16 patents
⚠️ This page may combine multiple inventors who share the name “HAGEN MARK D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEXAS INSTRUMENTS INC
6 patentsUS6812669B2Nov 2, 2004
Resonant scanning mirror driver circuit
TEXAS INSTRUMENTS INC24 citations92
US7352691B2Apr 1, 2008
Double difference phase detection
TEXAS INSTRUMENTS INC25 citations91
US7389052B2Jun 17, 2008
Calibration method for station orientation
TEXAS INSTRUMENTS INC6 citations62
US6956350B2Oct 18, 2005
Resonant scanning mirror driver circuit
TEXAS INSTRUMENTS INC6 citations62
US6714338B2Mar 30, 2004
MEM's mirror internal sensor linearization based on driver linearity
TEXAS INSTRUMENTS INC2 citations61
US7215888B2May 8, 2007
System and method of implementing variable loop gain in an optical wireless link based on distance
TEXAS INSTRUMENTS INC0 citations40
WESTERN DIGITAL TECH INC
5 patentsUS7126776B1Oct 24, 2006
Disk drive having a sector clock that is synchronized to the angular speed of the spindle motor
WESTERN DIGITAL TECH INC218 citations98
US6639748B1Oct 28, 2003
Disk drive that discerns the polarity of a head signal from a sync mark to enhance data detection
WESTERN DIGITAL TECH INC152 citations97
US6603622B1Aug 5, 2003
Disk drive employing a sync mark detector comprising a matched filter and a dual polarity correlator
WESTERN DIGITAL TECH INC243 citations97
US6369969B1Apr 9, 2002
Disk drive for detecting a polarity error of a magnetoresistive head by detecting a sync mark
WESTERN DIGITAL TECH INC158 citations97
US6369974B1Apr 9, 2002
Disk drive with method of constructing a continuous position signal and constrained method of linearizing such position signal while maintaining continuity
WESTERN DIGITAL TECH INC152 citations96