Inventor · disambiguated record
Zachary Keirn
Also filed as: KEIRN ZACHARY · KEIRN ZACHARY A
24 granted patents·122 citations·filing 1998–2013
94Inventor score
Top patents by PatentIndex Score
24 records- 0196US7730384B2Method and apparatus for evaluating performance of a read channelAGERE SYSTEMS INC·Filed 2005·Granted Jun 1, 2010·47 cites·10 claims
- 0295US7525460B1Timing loop based on analog to digital converter output and method of useMARVELL INT LTD·Filed 2007·Granted Apr 28, 2009·36 cites·52 claims
- 0385US8107328B1Method and apparatus for calibrating optical recording systemLIU JINGFENG·Filed 2008·Granted Jan 31, 2012·5 cites·16 claims
- 0481US7825836B1Limit equalizer output based timing loopMARVELL INT LTD·Filed 2008·Granted Nov 2, 2010·3 cites·21 claims
- 0578US6501607B2Channel quality monitor (CQM) for digital peak detection (DPD)TEXAS INSTRUMENTS INC·Filed 2001·Granted Dec 31, 2002·15 cites·34 claims
- 0675US7961124B1Timing loop based on analog to digital converter output and method of useMARVELL INT LTD·Filed 2009·Granted Jun 14, 2011·2 cites·17 claims
- 0770US7817512B1Method and apparatus to correct wobble phase slip in optical recordersMARVELL INT LTD·Filed 2007·Granted Oct 19, 2010·1 cites·54 claims
- 0863US7933181B1Method and system for radial and tangential tilt calibration of optical storage systemsMARVELL INT LTD·Filed 2008·Granted Apr 26, 2011·0 cites·19 claims
- 0960US8995242B1Method and system for radial and tangential tilt calibration of optical storage systemsMARVELL INT LTD·Filed 2013·Granted Mar 31, 2015·0 cites·20 claims
- 1059US7102549B1Method and apparatus for programmable codeword encoding and decoding using truncated codewordsAGERE SYSTEMS INC·Filed 2005·Granted Sep 5, 2006·4 cites·20 claims
- 1158US8957793B1Limit equalizer output based timing loopLIU JINGFENG·Filed 2012·Granted Feb 17, 2015·0 cites·20 claims
- 1258US8553510B1Method and system for radial and tangential tilt calibration of optical storage systemsOBERG MATS·Filed 2012·Granted Oct 8, 2013·0 cites·19 claims
- 1357US7969848B1System and method of decoupling asymmetry from baseline compensationMARVELL INT LTD·Filed 2008·Granted Jun 28, 2011·0 cites·20 claims
- 1457US7526707B2Method and apparatus for encoding and decoding data using a pseudo-random interleaverAGERE SYSTEMS INC·Filed 2005·Granted Apr 28, 2009·4 cites·31 claims
- 1555US8385165B1Method and apparatus for calibrating optical recording systemMARVELL INT LTD·Filed 2012·Granted Feb 26, 2013·0 cites·19 claims
- 1655US8046669B2Method and apparatus for evaluating performance of a read channelAGERE SYSTEMS INC·Filed 2011·Granted Oct 25, 2011·1 cites·10 claims
- 1754US8243569B1Method and system for radial and tangential tilt calibration of optical storage systemsOBERG MATS·Filed 2011·Granted Aug 14, 2012·0 cites·20 claims
- 1853US8274413B1Limit equalizer output based timing loopLIU JINGFENG·Filed 2010·Granted Sep 25, 2012·0 cites·20 claims
- 1951US7965597B1Method and apparatus for recordingMARVELL INT LTD·Filed 2010·Granted Jun 21, 2011·0 cites·20 claims
- 2050US8755260B2Collimator for optical pick-up unitsOBERG MATS·Filed 2012·Granted Jun 17, 2014·0 cites·18 claims
- 2150US7119977B2Reduced recovery time for perpendicular recording systemsAGERE SYSTEMS INC·Filed 2005·Granted Oct 10, 2006·0 cites·20 claims
- 2243US8830808B1Method and apparatus for zero offset and gain startNI BIN·Filed 2010·Granted Sep 9, 2014·0 cites·20 claims
- 2343US7941732B2Method and apparatus for evaluating performance of a read channelAGERE SYSTEMS INC·Filed 2010·Granted May 10, 2011·0 cites·9 claims
- 2439US6236692B1Read channel for increasing density in removable disk storage devicesTEXAS INSTRUMENTS INC·Filed 1998·Granted May 22, 2001·4 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Zachary Keirn files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →