Inventor

Kelly Fitzpatrick

Inventor
Sudbury, MA, US

Overview

31→
Patents
1997–2018
Patent span
Physics
Primary field (CPC G)

Patents· 31 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 transducer42%
H03MCoding36%
H04LTransmission of digital information, e.g. telegraphic communication11%
G06FElectric digital data processing6%
G01RMeasuring electric variables2%
H03HImpedance networks, e.g. resonant circuits2%
H04BTransmission2%
PatentTitleYear
9,864,549'Systems and methods for high throughput multi-input compression'20189,525,436'Data detector with extended states'20168,908,812'Methods and apparatus for map detection with reduced complexity'20148,862,957'Symbol selective scaling with parity forcing'20148,854,753'Systems and methods for auto scaling in a data processing system'20148,773,790'Systems and methods for dynamic scaling in a read data processing system'20148,762,440'Systems and methods for area efficient noise predictive filter calibration'20148,711,984'Methods and apparatus for map detection with reduced complexity'2014RE044614'Reliability unit for determining a reliability value for at least one bit decision'20138,411,537'Systems and methods for recovering information from a defective medium'20138,407,571'Methods and apparatus for processing a received signal using a multiple-step trellis and selection signals for multiple trellis paths'20138,321,770'Path comparison unit for determining paths in a trellis that compete with a survivor path'20128,250,431'Systems and methods for phase dependent data detection in iterative decoding'20128,161,357'Systems and methods for using intrinsic data for regenerating data from a defective medium'20128,149,527'Systems and methods for reducing attenuation of information derived from a defective medium'20128,095,855'Systems and methods for regenerating data from a defective medium'20127,937,649'Reliability unit for determining a reliability value for at least one bit decision'20117,865,814'Path metric difference computation unit for computing path differences through a multiple-step trellis'20117,607,072'Method and apparatus for-soft-output viterbi detection using a multiple-step trellis'20097,430,704'Trellis-based detection process and system'20087,173,783'Media noise optimized detector for magnetic recording'20077,089,483'Two stage detector having viterbi detector matched to a channel and post processor matched to a channel code'20066,732,328'Two stage detector having viterbi detector matched to a channel and post processor matched to a channel code'20046,446,236'Reading encoded information subject to random and transient errors'20026,417,788'High rate runlength limited codes for 10-bit ECC symbols'20026,310,739'Method and system for detection recording media defacts'20016,259,384'High rate runlength limited codes for 10-bit ECC symbols'20016,249,398'Class of fixed partial response targets in a PRML sampled data detection channel'20016,201,485'High rate runlength limited codes for 8-bit ECC symbols'20015,949,357'Time-varying maximum-transition-run codes for data channels'19995,689,532'Reduced complexity EPR4 post-processor for sampled data detection'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1999Based in Mountain View, CA, US· patent location history
2001–2008Patents assigned to MAXTOR CORP (8)· patent assignee history
2001–2018Based in Sudbury, MA, US· patent location history
2001Based in Westborough, MA, US· patent location history
2001Based in Los Altos, CA, US· patent location history
2004–2006Based in Westboro, MA, US· patent location history
2009–2013Patents assigned to AGERE SYSTEMS INC (8)· patent assignee history
2012–2014Patents assigned to TAN WEIJUN (9)· patent assignee history
2012–2014Patents assigned to FITZPATRICK KELLY (8)· patent assignee history
2012–2014Patents assigned to YANG SHAOHUA (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAN WEIJUN92012–2014
AGERE SYSTEMS INC82009–2013
FITZPATRICK KELLYself82012–2014
MAXTOR CORP82001–2008
YANG SHAOHUA72012–2014
Locations
LocationPatentsSpan
Sudbury, Massachusetts, US252001–2018
Westboro, Massachusetts, US22004–2006
Mountain View, California, US21997–1999
Westborough, Massachusetts, US12001
Los Altos, California, US12001