EEPR4 or E2PR4

Industry

CPC
G11B20/10064

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B20/00Signal processing not specific to the method of recording or reproducing Circuits therefor

Current Industry

G11B20/10064EEPR4 or E2PR4

Industries

Patents Grantslast 30 patents

Information Patent Grant
Identifying a defect in a data-storage medium
- Patent number 9,837,119
- Issue date Dec 5, 2017
- STMicroelectronics, Inc.
- Shayan Srinivasa Garani
- G11 - INFORMATION STORAGE
Information Patent Grant
Identifying a defect in a data-storage medium
- Patent number 9,324,370
- Issue date Apr 26, 2016
- STMicroelectronics, Inc.
- Shayan Srinivasa Garani
- G11 - INFORMATION STORAGE
Information Patent Grant
Rendering data write errors detectable
- Patent number 8,996,967
- Issue date Mar 31, 2015
- STMicroelectronics, Inc.
- Mustafa N. Kaynak
- G11 - INFORMATION STORAGE
Information Patent Grant
Detecting data-write errors
- Patent number 8,745,466
- Issue date Jun 3, 2014
- STMicroelectronics, Inc.
- Mustafa N. Kaynak
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive adapting equalizer relative to bit error rate of sequenc...
- Patent number 7,944,639
- Issue date May 17, 2011
- Western Digital Technologies, Inc.
- Alvin J. Wang
- G11 - INFORMATION STORAGE
Information Patent Grant
E2PR4 viterbi detector and method for adding a branch metric to the...
- Patent number 7,346,836
- Issue date Mar 18, 2008
- STMicroelectronics, Inc.
- Hakan Ozdemir
- G11 - INFORMATION STORAGE
Information Patent Grant
E2PR4 viterbi detector and method for adding a branch metric to the...
- Patent number 7,290,200
- Issue date Oct 30, 2007
- STMicroelectronics, Inc.
- Hakan Ozdemir
- G11 - INFORMATION STORAGE
Information Patent Grant
Modified viterbi detector for jitter noise dominant channels
- Patent number 6,728,928
- Issue date Apr 27, 2004
- Texas Instruments Incorporated
- Taehyun Jeon
- G11 - INFORMATION STORAGE
Information Patent Grant
Reduced-complexity sequence detection
- Patent number 6,553,541
- Issue date Apr 22, 2003
- Texas Instruments Incorporated
- Borivoje Nikolic
- G11 - INFORMATION STORAGE
Information Patent Grant
Detector error suppression circuit and method
- Patent number 6,546,518
- Issue date Apr 8, 2003
- Texas Instruments Incorporated
- Michael Leung
- G11 - INFORMATION STORAGE
Information Patent Grant
Error correction using reliability values for data matrix
- Patent number 6,434,719
- Issue date Aug 13, 2002
- Cirrus Logic Inc.
- Jay Neil Livingston
- G11 - INFORMATION STORAGE
Information Patent Grant
Rate 5/6 maximum transition run code for read channels
- Patent number 6,278,748
- Issue date Aug 21, 2001
- Texas Instruments Incorporated
- Leo Fu
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal error-correction system and method
- Patent number 6,154,870
- Issue date Nov 28, 2000
- Seagate Technology LLC
- Lisa Fredrickson
- G11 - INFORMATION STORAGE
Information Patent Grant
Parity channel code for enhancing the operation of a remod/demod se...
- Patent number 6,052,248
- Issue date Apr 18, 2000
- Cirrus Logic, Inc.
- David E. Reed
- G11 - INFORMATION STORAGE
Information Patent Grant
Trellis coding system for disc storage systems
- Patent number 6,032,284
- Issue date Feb 29, 2000
- Cirrus Logic, Inc.
- William G. Bliss
- G11 - INFORMATION STORAGE
Information Patent Grant
PR4 equalization and an EPR4 remod/demod sequence detector in a sam...
- Patent number 5,961,658
- Issue date Oct 5, 1999
- Cirrus Logic, Inc.
- David E. Reed
- G11 - INFORMATION STORAGE
Information Patent Grant
Sampled amplitude read channel with simplified sequence detector ma...
- Patent number 5,862,161
- Issue date Jan 19, 1999
- Cirrus Logic, Inc.
- David E. Reed
- G11 - INFORMATION STORAGE
Information Patent Grant
Fixed sample rate sampled amplitude read channel for zoned magnetic...
- Patent number 5,812,336
- Issue date Sep 22, 1998
- Cirrus Logic, Inc.
- Mark S. Spurbeck
- G11 - INFORMATION STORAGE
Information Patent Grant
Cost reduced interpolated timing recovery in a sampled amplitude re...
- Patent number 5,760,984
- Issue date Jun 2, 1998
- Cirrus Logic, Inc.
- Mark S. Spurbeck
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk sampled amplitude read channel employing interpolated...
- Patent number 5,726,818
- Issue date Mar 10, 1998
- Cirrus Logic, Inc.
- David E. Reed
- G11 - INFORMATION STORAGE
Information Patent Grant
Equalization for sample value estimation and sequence detection in...
- Patent number 5,585,975
- Issue date Dec 17, 1996
- Cirrus Logic, Inc.
- William G. Bliss
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
IDENTIFYING A DEFECT IN A DATA-STORAGE MEDIUM
- Publication number 20120047396
- Publication date Feb 23, 2012
- STMicroelectronics, Inc.
- Shayan Srinivasa GARANI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETECTING DATA-WRITE ERRORS
- Publication number 20120036395
- Publication date Feb 9, 2012
- STMicroelectronics, Inc.
- Mustafa N. KAYNAK
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
RENDERING DATA WRITE ERRORS DETECTABLE
- Publication number 20120036414
- Publication date Feb 9, 2012
- STMicroelectronics, Inc.
- Mustafa N. KAYNAK
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
E2PR4 viterbi detector and method for adding a branch metric to the...
- Publication number 20080270874
- Publication date Oct 30, 2008
- STMicroelectronics, Inc.
- Hakan Ozdemir
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
E2PR4 viterbi detector and method for adding a branch metric to the...
- Publication number 20040010748
- Publication date Jan 15, 2004
- STMicroelectronics, Inc.
- Hakan Ozdemir
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
E2PR4 viterbi detector and method for adding a branch metric to the...
- Publication number 20040010749
- Publication date Jan 15, 2004
- STMicroelectronics, Inc.
- Hakan Ozdemir
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Modified viterbi detector for jitter noise dominant channels
- Publication number 20020184597
- Publication date Dec 5, 2002
- Taehyun Jeon
- G11 - INFORMATION STORAGE

EEPR4 or E2PR4

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Identifying a defect in a data-storage medium

Identifying a defect in a data-storage medium

Rendering data write errors detectable

Detecting data-write errors

Disk drive adapting equalizer relative to bit error rate of sequenc...

E2PR4 viterbi detector and method for adding a branch metric to the...

E2PR4 viterbi detector and method for adding a branch metric to the...

Modified viterbi detector for jitter noise dominant channels

Reduced-complexity sequence detection

Detector error suppression circuit and method

Error correction using reliability values for data matrix

Rate 5/6 maximum transition run code for read channels

Signal error-correction system and method

Parity channel code for enhancing the operation of a remod/demod se...

Trellis coding system for disc storage systems

PR4 equalization and an EPR4 remod/demod sequence detector in a sam...

Sampled amplitude read channel with simplified sequence detector ma...

Fixed sample rate sampled amplitude read channel for zoned magnetic...

Cost reduced interpolated timing recovery in a sampled amplitude re...

Magnetic disk sampled amplitude read channel employing interpolated...

Equalization for sample value estimation and sequence detection in...

Patents Applicationslast 30 patents

IDENTIFYING A DEFECT IN A DATA-STORAGE MEDIUM

DETECTING DATA-WRITE ERRORS

RENDERING DATA WRITE ERRORS DETECTABLE

E2PR4 viterbi detector and method for adding a branch metric to the...

E2PR4 viterbi detector and method for adding a branch metric to the...

E2PR4 viterbi detector and method for adding a branch metric to the...

Modified viterbi detector for jitter noise dominant channels