Inventor

Zachary Keirn

Inventor
Loveland, CO, US

Overview

24→
Patents
2001–2015
Patent span
Physics
Primary field (CPC G)

Patents· 24 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer59%
H03MCoding32%
G04BMechanically-driven clocks or watches3%
H04HBroadcast communication3%
H04LTransmission of digital information, e.g. telegraphic communication3%
PatentTitleYear
8,995,242'Method and system for radial and tangential tilt calibration of optical storage systems'20158,957,793'Limit equalizer output based timing loop'20158,830,808'Method and apparatus for zero offset and gain start'20148,755,260'Collimator for optical pick-up units'20148,553,510'Method and system for radial and tangential tilt calibration of optical storage systems'20138,385,165'Method and apparatus for calibrating optical recording system'20138,274,413'Limit equalizer output based timing loop'20128,243,569'Method and system for radial and tangential tilt calibration of optical storage systems'20128,107,328'Method and apparatus for calibrating optical recording system'20128,046,669'Method and apparatus for evaluating performance of a read channel'20117,969,848'System and method of decoupling asymmetry from baseline compensation'20117,965,597'Method and apparatus for recording'20117,961,124'Timing loop based on analog to digital converter output and method of use'20117,941,732'Method and apparatus for evaluating performance of a read channel'20117,933,181'Method and system for radial and tangential tilt calibration of optical storage systems'20117,825,836'Limit equalizer output based timing loop'20107,817,512'Method and apparatus to correct wobble phase slip in optical recorders'20107,730,384'Method and apparatus for evaluating performance of a read channel'20107,525,460'Timing loop based on analog to digital converter output and method of use'20097,526,707'Method and apparatus for encoding and decoding data using a pseudo-random interleaver'20097,119,977'Reduced recovery time for perpendicular recording systems'20067,102,549'Method and apparatus for programmable codeword encoding and decoding using truncated codewords'20066,501,607'Channel quality monitor (CQM) for digital peak detection (DPD)'20026,236,692'Read channel for increasing density in removable disk storage devices'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2015Based in Loveland, CO, US· patent location history
2006–2011Patents assigned to AGERE SYSTEMS INC (6)· patent assignee history
2009–2015Patents assigned to MARVELL INT LTD (15)· patent assignee history
2012–2015Patents assigned to KEIRN ZACHARY (8)· patent assignee history
2012–2015Patents assigned to OBERG MATS (6)· patent assignee history
2012–2015Patents assigned to LIU JINGFENG (4)· patent assignee history
2014–2015Based in Boulder, CO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MARVELL INT LTD152009–2015
KEIRN ZACHARYself82012–2015
AGERE SYSTEMS INC62006–2011
OBERG MATS62012–2015
LIU JINGFENG42012–2015
Locations
LocationPatentsSpan
Loveland, CO, US222001–2015
Boulder, CO, US22014–2015