LexDanaLexDanabeta
Inventor

Sedat Oelcer

Inventor
Kilchberg, CH

Overview

74→
Patents
1991–2020
Patent span
Physics
Primary field (CPC G)

Patents· 74 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 transducer54%
H04LTransmission of digital information, e.g. telegraphic communication13%
H03MCoding12%
G06FElectric digital data processing5%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses4%
H04MTelephonic communication3%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use3%
H03HImpedance networks, e.g. resonant circuits2%
H04BTransmission2%
H03KPulse technique1%
PatentTitleYear
10,680,655Partial reverse concatenation for data storage devices using composite codes202010,484,018Partial reverse concatenation for data storage devices using composite codes20199,659,593'Dynamic gain control for use with adaptive equalizers'20179,633,690'Cycle-slip resilient iterative data storage read channel architecture'20179,558,782'Partial reverse concatenation for data storage devices using composite codes'20179,418,698'Dynamic gain control for use with adaptive equalizers'20169,318,148'Combined soft detection/soft decoding in tape drive storage channels'20169,251,843'Iterative data storage read channel architecture having dropout mitigation'20169,236,084'Dynamic gain control for use with adaptive equalizers'20169,225,360'Iterative data storage read channel architecture'20159,214,187'Cycle-slip resilient iterative data storage read channel architecture'20159,202,518'Combined soft detection/soft decoding in tape drive storage channels'20159,190,076'Data format using an efficient reverse concatenated modulation code for magnetic tape recording'20159,183,852'Magnetic tape recording in data format using an efficient reverse concatenated modulation code'20159,178,534'Methods for partial reverse concatenation for data storage devices using composite codes'20159,047,918'Adaptive soft-output detector for magnetic tape read channels'20159,042,049'Adaptive soft-output detector for magnetic tape read channels'20159,036,287'Adaptive soft-output detector for magnetic tape read channels'20158,988,798'Iterative data storage read channel architecture'20158,964,321'Iterative data storage read channel architecture having dropout mitigation'20158,872,573'Gain control with multiple integrators'20148,854,759'Combined soft detection/soft decoding in tape drive storage channels'20148,797,670'Adaptive soft-output detector for magnetic tape read channels'20148,743,499'Adaptive soft-output detector for magnetic tape read channels'20148,743,500'Adaptive soft-output detector for magnetic tape read channels'20148,743,498'Adaptive soft-output detector for magnetic tape read channels'20148,670,199'Data-dependent noise-predictive maximum likelihood detection (DD-NPML) for magnetic recording'20148,625,226'Fixing tap coefficients in a programmable finite-impulse-response equalizer'20148,605,380'Technique for fixing tap coefficients in a programmable finite-impulse-response equalizer'20138,443,273'Data dependent NPML detection and systems thereof'20138,254,048'Dual gain control for magnetic data storage system'20128,194,342'Equalizer computation in a media system using a data set separator sequence'20128,130,021'Gain control with multiple integrators'20128,094,397'System, method, and computer program product for characterizing media associated with data storage channels'20128,077,764'16-state adaptive noise predictive maximum-likelihood detection system'20118,019,034'Common state-space multi-channel digital sample timing phase control of multiple read channels for correlated signals'20117,982,992'Dual gain control for magnetic data storage system'20117,982,997'Method for an equalizer computation in a media system using a data set separator sequence'20117,924,524'System and method for generating an amplitude error signal in a magnetic tape recording channel'20117,885,030'Methods and systems for delay compensation in global PLL-based timing recovery loops'20117,864,467'Gain control for data-dependent detection in magnetic storage read channels'20117,821,733'Using a measured error to determine coefficients to provide to an equalizer to use to equalize an input signal'20107,777,980'Multi-channel data detection phase locked loop error combination logic'20107,773,326'Methods for multi-channel data detection phase locked loop error combination'20107,773,327'Multi-channel data detection phase locked loop frequency error combination logic'20107,760,821'Oversampled channel response identification'20107,733,592'Methods for multi-channel data detection phase locked loop frequency error combination'20107,596,176'Apparatus, system, and method for adaptive asynchronous equalization using leakage'20097,589,927'Dynamically adapting a read channel equalizer'20097,573,665'Magnetic tape read channel signal values developed employing intermediate bits of the path memory of a PRML Viterbi detector'20097,522,367'Asynchronous read channel shaped toward generalized partial response characteristics'20097,522,680'Apparatus, system, and method for asymmetric maximum likelihood detection'20097,495,854'Dynamic method for asymmetry compensation in a storage read channel'20097,480,327'System and method for controlling line driver power in digital subscriber line modems'20097,457,355'Method for an equalizer computation in a media system using a data set separator sequence'20087,436,615'Using a measured error to determine coefficients to provide to an equalizer to use to equalize an input signal'20087,433,142'Using at least one servo channel to provide timing recovery and timing information to data channels'20087,430,084'Magnetic tape read channel signal values developed employing intermediate bits of the path memory of a PRML viterbi detector'20087,428,116'Method for a cyclic dibit response estimation in a media system using a data set separator sequence'20087,394,608'Read channel apparatus for asynchronous sampling and synchronous equalization'20087,359,135'Dynamically adapting a magnetic tape read channel equalizer'20087,352,802'System and method for controlling line driver power in digital subscriber line modems'20087,271,971'Dynamically adapting a magnetic tape read channel equalizer'20077,254,180'Discrete multitone transmission systems'20077,106,533'Apparatus, system, and method for mitigating signal asymmetry'20067,000,167'Decoding low density parity check codes'20066,985,536'Block coding for multilevel data communication'20066,973,123'System and method for controlling line driver power in digital subscriber line modems'20056,965,637'System and method for controlling line driver power in a shared digital subscriber line modem'20056,895,547'Method and apparatus for low density parity check encoding of data'20056,665,349'Filtered multitone transmission application to DSL technologies'20036,061,407'Transmission method and apparatus employing trellis-augmented precoding'20005,455,843'Adaptive equalizing apparatus and method for token ring transmission systems using unshielded twisted pair cables'19955,060,088'Adaptive equalization for recording systems using partial-response signaling'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2020Patents assigned to IBM (72)· patent assignee history
1995Based in Kusnacht, CH· patent location history
2000–2009Based in Au, CH· patent location history
2006–2020Based in Kilchberg, CH· patent location history
2011–2017Patents assigned to OELCER SEDAT (18)· patent assignee history
2011–2017Patents assigned to HUTCHINS ROBERT A (12)· patent assignee history
2011Based in Kilchber, CH· patent location history
2012–2014Patents assigned to HUTCHINS ROBERT ALLEN (6)· patent assignee history
2012Based in Rueschlikon, CH· patent location history
2014–2017Patents assigned to MITTELHOLZER THOMAS (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM721991–2020
OELCER SEDATself182011–2017
HUTCHINS ROBERT A122011–2017
MITTELHOLZER THOMAS82014–2017
HUTCHINS ROBERT ALLEN62012–2014
Locations
LocationPatentsSpan
Kilchberg, CH602006–2020
Au, CH102000–2009
Rueschlikon, CH12012
Kilchber, CH12011
Kusnacht, CH11995