Nils Graef

Person

Foster City, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Memory read-channel with signal processing on general purpose proce...
- Patent number 9,753,877
- Issue date Sep 5, 2017
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Nils Graef
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hard input low density parity check decoder
- Patent number 9,544,090
- Issue date Jan 10, 2017
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
LDPC decoder variable node units having fewer adder stages
- Patent number 9,356,623
- Issue date May 31, 2016
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Memory read-channel with selective transmission of error correction...
- Patent number 9,069,687
- Issue date Jun 30, 2015
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Nirav P. Dave
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Methods and apparatus for intercell interference mitigation using m...
- Patent number 8,797,795
- Issue date Aug 5, 2014
- LSI Corporation
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Grant
Low-latency decoder
- Patent number 8,578,256
- Issue date Nov 5, 2013
- Agere Systems LLC
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Systems and methods for variable compensated fly height measurement
- Patent number 8,503,128
- Issue date Aug 6, 2013
- Agere Systems Inc.
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Grant
Error-floor mitigation of codes using write verification
- Patent number 8,484,535
- Issue date Jul 9, 2013
- Agere Systems LLC
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for storing survivor paths in a viterbi detect...
- Patent number 8,375,281
- Issue date Feb 12, 2013
- Agere Systems LLC
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Stabilized digital quadrature oscillator
- Patent number 8,248,170
- Issue date Aug 21, 2012
- Applied Micro Circuit Corporation
- Dariush Dabiri
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Turning off buffer when a digital back end operates at a same data...
- Patent number 8,250,386
- Issue date Aug 21, 2012
- Agere Systems Inc.
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Grant
Power reduced queue based data detection and decoding systems and m...
- Patent number 8,245,120
- Issue date Aug 14, 2012
- LSI Corporation
- Changyou Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selectively strengthening and weakening check-node messages in erro...
- Patent number 8,245,098
- Issue date Aug 14, 2012
- LSI Corporation
- Yang Han
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Systems and methods for joint LDPC encoding and decoding
- Patent number 8,196,002
- Issue date Jun 5, 2012
- Agere Systems Inc.
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for low cost LDPC decoding
- Patent number 8,161,348
- Issue date Apr 17, 2012
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
LDPC decoders using fixed and adjustable permutators
- Patent number 8,161,345
- Issue date Apr 17, 2012
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for storing survivor paths in a Viterbi detect...
- Patent number 8,140,947
- Issue date Mar 20, 2012
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Systems and methods for variable fly height measurement
- Patent number 8,098,451
- Issue date Jan 17, 2012
- Agere Systems Inc.
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Grant
Reduced-complexity multiple-input, multiple-output detection
- Patent number 8,077,812
- Issue date Dec 13, 2011
- Agere Systems Inc.
- Nils Graef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for evaluating performance of a read channel
- Patent number 8,046,669
- Issue date Oct 25, 2011
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for storing survivor paths in a Viterbi detect...
- Patent number 8,032,818
- Issue date Oct 4, 2011
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Reduced-power programming of multi-level cell (MLC) memory
- Patent number 8,014,196
- Issue date Sep 6, 2011
- Agere Systems Inc.
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for prioritizing error correction data
- Patent number 7,971,125
- Issue date Jun 28, 2011
- Agere Systems Inc.
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for evaluating performance of a read channel
- Patent number 7,941,732
- Issue date May 10, 2011
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Global minimum-based MLD demapping for soft-output MIMO detection
- Patent number 7,876,847
- Issue date Jan 25, 2011
- Agere Systems Inc.
- Nils Graef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low-power read channel for magnetic mass storage systems
- Patent number 7,729,075
- Issue date Jun 1, 2010
- Agere Systems Inc.
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for evaluating performance of a read channel
- Patent number 7,730,384
- Issue date Jun 1, 2010
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Systems and methods for low power multi-rate data paths
- Patent number 7,707,449
- Issue date Apr 27, 2010
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Systems and methods for generating erasure flags
- Patent number 7,702,989
- Issue date Apr 20, 2010
- Agere Systems Inc.
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Grant
MLD demapping using sub-metrics for soft-output MIMO detection and...
- Patent number 7,676,001
- Issue date Mar 9, 2010
- Agere Systems Inc.
- Nils Graef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MEMORY READ-CHANNEL WITH SIGNAL PROCESSING ON GENERAL PURPOSE PROCE...
- Publication number 20120290894
- Publication date Nov 15, 2012
- Nils Graef
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR STORING SURVIVOR PATHS IN A VITERBI DETECT...
- Publication number 20120198316
- Publication date Aug 2, 2012
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Stabilized Digital Quadrature Oscillator
- Publication number 20120126903
- Publication date May 24, 2012
- Applied Micro Circuits Corporation
- Dariush Dabiri
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Systems and Methods for Variable Compensated Fly Height Measurement
- Publication number 20120087035
- Publication date Apr 12, 2012
- Agere System Inc.
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Application
ERROR-FLOOR MITIGATION OF CODES USING WRITE VERIFICATION
- Publication number 20120030539
- Publication date Feb 2, 2012
- Agere Systems Inc.
- Nils Graef
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HARD INPUT LOW DENSITY PARITY CHECK DECODER
- Publication number 20110246862
- Publication date Oct 6, 2011
- Nils Graef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods And Apparatus For Intercell Interference Mitigation Using M...
- Publication number 20110216586
- Publication date Sep 8, 2011
- Nils Graef
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MEMORY READ-CHANNEL WITH SELECTIVE TRANSMISSION OF ERROR CORRECTION...
- Publication number 20110191652
- Publication date Aug 4, 2011
- Nirav P. Dave
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Evaluating Performance of a Read Channel
- Publication number 20110119566
- Publication date May 19, 2011
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LOW-LATENCY DECODER
- Publication number 20100275088
- Publication date Oct 28, 2010
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Systems and Methods for Variable Fly Height Measurement
- Publication number 20100202082
- Publication date Aug 12, 2010
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Application
Method and Apparatus for Evaluating Performance of a Read Channel
- Publication number 20100185924
- Publication date Jul 22, 2010
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LDPC DECODER VARIABLE NODE UNITS HAVING FEWER ADDER STAGES
- Publication number 20100131819
- Publication date May 27, 2010
- Agere Systems Inc.
- Nils Graef
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LDPC DECODERS USING FIXED AND ADJUSTABLE PERMUTATORS
- Publication number 20100107030
- Publication date Apr 29, 2010
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Systems and Methods for Music Recognition
- Publication number 20100093393
- Publication date Apr 15, 2010
- Nils Graef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Power Reduced Queue Based Data Detection and Decoding Systems and M...
- Publication number 20100070837
- Publication date Mar 18, 2010
- LSI Corporatrion
- Changyou Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REDUCED-POWER PROGRAMMING OF MULTI-LEVEL CELL (MLC) MEMORY
- Publication number 20100057977
- Publication date Mar 4, 2010
- Agere Systems Inc.
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Application
SELECTIVELY STRENGTHENING AND WEAKENING CHECK-NODE MESSAGES IN ERRO...
- Publication number 20100042897
- Publication date Feb 18, 2010
- LSI Corporation
- Yang Han
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
REDUCED-COMPLEXITY MULTIPLE-INPUT, MULTIPLE-OUTPUT DETECTION
- Publication number 20090304124
- Publication date Dec 10, 2009
- Agere Systems Inc.
- Nils Graef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and Methods for Low Cost LDPC Decoding
- Publication number 20090199071
- Publication date Aug 6, 2009
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Low-power read channel for magnetic mass storage systems
- Publication number 20090109564
- Publication date Apr 30, 2009
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEMS AND METHODS FOR FAX BASED DIRECTED COMMUNICATIONS
- Publication number 20090030901
- Publication date Jan 29, 2009
- Agere Systems Inc.
- Nils Graef
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR JOINT LDPC ENCODING AND DECODING
- Publication number 20080301527
- Publication date Dec 4, 2008
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Systems and Methods for Communications Activity Status
- Publication number 20080258908
- Publication date Oct 23, 2008
- LSI Corporation
- Nils Graef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and Methods for Copying Digital Information from a Digital M...
- Publication number 20080259479
- Publication date Oct 23, 2008
- LSI Corporation
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEMS AND METHODS FOR PRIORITIZING ERROR CORRECTION DATA
- Publication number 20080168330
- Publication date Jul 10, 2008
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SYSTEMS AND METHODS FOR PREPARING DIRECTIONAL INSTRUCTIONS
- Publication number 20080140310
- Publication date Jun 12, 2008
- Agere Systems Inc.
- Nils Graef
- G01 - MEASURING TESTING
Information Patent Application
Systems and Methods for Generating Erasure Flags
- Publication number 20080077829
- Publication date Mar 27, 2008
- Agere Systems Inc.
- Nils Graef
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Electronic Message Preparation
- Publication number 20080077675
- Publication date Mar 27, 2008
- Agere Systems Inc.
- Nils Graef
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Systems and methods for low power multi-rate data paths
- Publication number 20070237171
- Publication date Oct 11, 2007
- Agere Systems Inc.
- Nils Graef
- H03 - BASIC ELECTRONIC CIRCUITRY

Person

Patents Grantslast 30 patents

Memory read-channel with signal processing on general purpose proce...

Hard input low density parity check decoder

LDPC decoder variable node units having fewer adder stages

Memory read-channel with selective transmission of error correction...

Methods and apparatus for intercell interference mitigation using m...

Low-latency decoder

Systems and methods for variable compensated fly height measurement

Error-floor mitigation of codes using write verification

Method and apparatus for storing survivor paths in a viterbi detect...

Stabilized digital quadrature oscillator

Turning off buffer when a digital back end operates at a same data...

Power reduced queue based data detection and decoding systems and m...

Selectively strengthening and weakening check-node messages in erro...

Systems and methods for joint LDPC encoding and decoding

Systems and methods for low cost LDPC decoding

LDPC decoders using fixed and adjustable permutators

Method and apparatus for storing survivor paths in a Viterbi detect...

Systems and methods for variable fly height measurement

Reduced-complexity multiple-input, multiple-output detection

Method and apparatus for evaluating performance of a read channel

Method and apparatus for storing survivor paths in a Viterbi detect...

Reduced-power programming of multi-level cell (MLC) memory

Systems and methods for prioritizing error correction data

Method and apparatus for evaluating performance of a read channel

Global minimum-based MLD demapping for soft-output MIMO detection

Low-power read channel for magnetic mass storage systems

Method and apparatus for evaluating performance of a read channel

Systems and methods for low power multi-rate data paths

Systems and methods for generating erasure flags

MLD demapping using sub-metrics for soft-output MIMO detection and...

Patents Applicationslast 30 patents

MEMORY READ-CHANNEL WITH SIGNAL PROCESSING ON GENERAL PURPOSE PROCE...

METHOD AND APPARATUS FOR STORING SURVIVOR PATHS IN A VITERBI DETECT...

Stabilized Digital Quadrature Oscillator

Systems and Methods for Variable Compensated Fly Height Measurement

ERROR-FLOOR MITIGATION OF CODES USING WRITE VERIFICATION

HARD INPUT LOW DENSITY PARITY CHECK DECODER

Methods And Apparatus For Intercell Interference Mitigation Using M...

MEMORY READ-CHANNEL WITH SELECTIVE TRANSMISSION OF ERROR CORRECTION...

Method and Apparatus for Evaluating Performance of a Read Channel

LOW-LATENCY DECODER

Systems and Methods for Variable Fly Height Measurement

Method and Apparatus for Evaluating Performance of a Read Channel

LDPC DECODER VARIABLE NODE UNITS HAVING FEWER ADDER STAGES

LDPC DECODERS USING FIXED AND ADJUSTABLE PERMUTATORS

Systems and Methods for Music Recognition

Power Reduced Queue Based Data Detection and Decoding Systems and M...

REDUCED-POWER PROGRAMMING OF MULTI-LEVEL CELL (MLC) MEMORY

SELECTIVELY STRENGTHENING AND WEAKENING CHECK-NODE MESSAGES IN ERRO...

REDUCED-COMPLEXITY MULTIPLE-INPUT, MULTIPLE-OUTPUT DETECTION

Systems and Methods for Low Cost LDPC Decoding

Low-power read channel for magnetic mass storage systems

SYSTEMS AND METHODS FOR FAX BASED DIRECTED COMMUNICATIONS

SYSTEMS AND METHODS FOR JOINT LDPC ENCODING AND DECODING

Systems and Methods for Communications Activity Status

System and Methods for Copying Digital Information from a Digital M...

SYSTEMS AND METHODS FOR PRIORITIZING ERROR CORRECTION DATA

SYSTEMS AND METHODS FOR PREPARING DIRECTIONAL INSTRUCTIONS

Systems and Methods for Generating Erasure Flags

Systems and Methods for Electronic Message Preparation

Systems and methods for low power multi-rate data paths