Viswanath Annampedu

Person

Allentown, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Decision feed forward equalization for intersymbol interference can...
- Patent number 11,611,458
- Issue date Mar 21, 2023
- NVIDIA Corporation
- Vishnu Balan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock data recovery convergence in modulated partial response systems
- Patent number 11,477,004
- Issue date Oct 18, 2022
- NVIDIA Corp.
- Pervez Mirza Aziz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock data recovery convergence using signed timing injection
- Patent number 11,212,073
- Issue date Dec 28, 2021
- NVIDIA Corp.
- Pervez Mirza Aziz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock data recovery convergence using signed timing injection
- Patent number 10,700,846
- Issue date Jun 30, 2020
- NVIDIA Corp.
- Pervez Mirza Aziz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Timing phase estimation for clock and data recovery
- Patent number 9,385,858
- Issue date Jul 5, 2016
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Amaresh V. Malipatil
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for memory efficient repeatable run out processing
- Patent number 9,305,581
- Issue date Apr 5, 2016
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for fly-height control using servo data
- Patent number 9,305,582
- Issue date Apr 5, 2016
- Avago Technologies General IP (Singapore) Pte. Ltd.
- George Mathew
- G11 - INFORMATION STORAGE
Information Patent Grant
Receiver with pipelined tap coefficients and shift control
- Patent number 9,294,313
- Issue date Mar 22, 2016
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Tomasz Prokop
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock and data recovery architecture with adaptive digital phase skew
- Patent number 9,143,367
- Issue date Sep 22, 2015
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Pervez M. Aziz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Flaw scan circuit for repeatable run out (RRO) data
- Patent number 9,093,096
- Issue date Jul 28, 2015
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Alignment of sampling phases in a multi-channel time-interleaved an...
- Patent number 9,083,366
- Issue date Jul 14, 2015
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Viswanath Annampedu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System and method for determining channel loss in a dispersive comm...
- Patent number 8,902,959
- Issue date Dec 2, 2014
- LSI Corporation
- Viswanath Annampedu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for pattern detection
- Patent number 8,874,410
- Issue date Oct 28, 2014
- LSI Corporation
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and apparatus for improved detection of servo sector data u...
- Patent number 8,848,304
- Issue date Sep 30, 2014
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive continuous time linear equalizer
- Patent number 8,817,867
- Issue date Aug 26, 2014
- LSI Corporation
- Viswanath Annampedu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for validating detection of RRO address marks
- Patent number 8,699,160
- Issue date Apr 15, 2014
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for sequence detection in data processing
- Patent number 8,566,381
- Issue date Oct 22, 2013
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for signal polarity determination
- Patent number 8,526,131
- Issue date Sep 3, 2013
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for spiral waveform detection
- Patent number 8,498,072
- Issue date Jul 30, 2013
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for detecting a reference pattern
- Patent number 8,456,775
- Issue date Jun 4, 2013
- LSI Corporation
- Jeffery Grundvig
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for improved timing recovery
- Patent number 8,411,385
- Issue date Apr 2, 2013
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for improved address mark detection
- Patent number 8,405,924
- Issue date Mar 26, 2013
- Agere Systems LLC
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for reduced format data processing
- Patent number 8,325,433
- Issue date Dec 4, 2012
- LSI Corporation
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for diversity combined data detection
- Patent number 8,261,171
- Issue date Sep 4, 2012
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for improved synchronization between an asynchr...
- Patent number 8,254,049
- Issue date Aug 28, 2012
- Agere Systems Inc.
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for sector address mark detection
- Patent number 8,243,381
- Issue date Aug 14, 2012
- Agere Systems Inc.
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and apparatus for gain estimation using servo data with imp...
- Patent number 8,199,422
- Issue date Jun 12, 2012
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and systems for estimating time corresponding to peak signa...
- Patent number 8,059,349
- Issue date Nov 15, 2011
- Agere Systems Inc.
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for fly-height control using servo address mark...
- Patent number 8,054,573
- Issue date Nov 8, 2011
- LSI Corporation
- George Mathew
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for improved timing recovery
- Patent number 8,054,931
- Issue date Nov 8, 2011
- Agere Systems Inc.
- Viswanath Annampedu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Clock Data Recovery Convergence In Modulated Partial Response Systems
- Publication number 20220311592
- Publication date Sep 29, 2022
- NVIDIA Corp.
- Pervez Mirza Aziz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CLOCK DATA RECOVERY CONVERGENCE USING SIGNED TIMING INJECTION
- Publication number 20200336286
- Publication date Oct 22, 2020
- NVIDIA Corp.
- Pervez Mirza Aziz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DUAL THRESHOLD AUTOMATIC GAIN CONTROL SYSTEM AND METHOD
- Publication number 20160218734
- Publication date Jul 28, 2016
- Avago Technologies General IP (Singapore) PTE. LTD.
- Amaresh V. Malipatil
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SELECTING FLOATING TAP POSITIONS IN A FLOATING TAP EQUALIZER
- Publication number 20150349988
- Publication date Dec 3, 2015
- LSI Corporation
- Viswanath Annampedu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVER WITH PIPELINED TAP COEFFICIENTS AND SHIFT CONTROL
- Publication number 20150195108
- Publication date Jul 9, 2015
- LSI Corporation
- Tomasz Prokop
- G11 - INFORMATION STORAGE
Information Patent Application
CLOCK AND DATA RECOVERY ARCHITECTURE WITH ADAPTIVE DIGITAL PHASE SKEW
- Publication number 20150016497
- Publication date Jan 15, 2015
- LSI Corporation
- Pervez M. Aziz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ADAPTIVE CONTINUOUS TIME LINEAR EQUALIZER
- Publication number 20140269888
- Publication date Sep 18, 2014
- LSI Corporation
- Viswanath Annampedu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Timing Phase Estimation for Clock and Data Recovery
- Publication number 20140241478
- Publication date Aug 28, 2014
- LSI Corporation
- Amaresh V. Malipatil
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and Method for Determining Channel Loss in a Dispersive Comm...
- Publication number 20140204987
- Publication date Jul 24, 2014
- LSI Corporation
- Viswanath Annampedu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS FOR IMPROVED DETECTION OF SERVO SECTOR DATA U...
- Publication number 20140029129
- Publication date Jan 30, 2014
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
FLAW SCAN CIRCUIT FOR REPEATABLE RUN OUT (RRO) DATA
- Publication number 20140033000
- Publication date Jan 30, 2014
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
METHODS AND APPARATUS FOR VALIDATING DETECTION OF RRO ADDRESS MARKS
- Publication number 20130107687
- Publication date May 2, 2013
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Pattern Detection
- Publication number 20120303327
- Publication date Nov 29, 2012
- LSI CORPORATION
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEMS AND METHODS FOR DIVERSITY COMBINED DATA DETECTION
- Publication number 20120197920
- Publication date Aug 2, 2012
- LSI CORPORATION
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Reduced Format Data Processing
- Publication number 20120182643
- Publication date Jul 19, 2012
- LSI CORPORATION
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Improved Timing Recovery
- Publication number 20120155587
- Publication date Jun 21, 2012
- LSI CORPORATION
- Viswanath Annampedu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and Methods for Spiral Waveform Detection
- Publication number 20120134043
- Publication date May 31, 2012
- LSI CORPORATION
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Signal Polarity Determination
- Publication number 20120134042
- Publication date May 31, 2012
- LSI CORPORATION
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Sequence Detection in Data Processing
- Publication number 20120036173
- Publication date Feb 9, 2012
- LSI CORPORATION
- Viswanath Annampedu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS FOR GAIN ESTIMATION USING SERVO DATA WITH IMP...
- Publication number 20120026620
- Publication date Feb 2, 2012
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Detecting a Reference Pattern
- Publication number 20110157737
- Publication date Jun 30, 2011
- LSI CORPORATION
- Jeffrey Grundvig
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Fly-Height Control Using Servo Data
- Publication number 20110043938
- Publication date Feb 24, 2011
- George Mathew
- G11 - INFORMATION STORAGE
Information Patent Application
Methods and Systems for Estimating Time Corresponding to Peak Signa...
- Publication number 20100232046
- Publication date Sep 16, 2010
- Agere Systems Inc.
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Fly-Height Control Using Servo Address Mark...
- Publication number 20100177430
- Publication date Jul 15, 2010
- George Mathew
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Memory Efficient Repeatable Run Out Processing
- Publication number 20100142078
- Publication date Jun 10, 2010
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Sector Address Mark Detection
- Publication number 20100118690
- Publication date May 13, 2010
- Agere Systems Inc.
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Acquiring Modified Rate Burst Demodulation...
- Publication number 20090268322
- Publication date Oct 29, 2009
- Agere Systems Inc.
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Reducing the Effects of ADC Mismatch
- Publication number 20090267819
- Publication date Oct 29, 2009
- Agere Systems Inc.
- Viswanath Annampedu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Systems and Methods for Improved Synchronization Between an Asynchr...
- Publication number 20090052075
- Publication date Feb 26, 2009
- Agere Systems Inc.
- Viswanath Annampedu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and Methods for Improved Timing Recovery
- Publication number 20090052602
- Publication date Feb 26, 2009
- Agere Systems Inc.
- Viswanath Annampedu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Viswanath Annampedu

Person

Patents Grantslast 30 patents

Decision feed forward equalization for intersymbol interference can...

Clock data recovery convergence in modulated partial response systems

Clock data recovery convergence using signed timing injection

Clock data recovery convergence using signed timing injection

Timing phase estimation for clock and data recovery

Systems and methods for memory efficient repeatable run out processing

Systems and methods for fly-height control using servo data

Receiver with pipelined tap coefficients and shift control

Clock and data recovery architecture with adaptive digital phase skew

Flaw scan circuit for repeatable run out (RRO) data

Alignment of sampling phases in a multi-channel time-interleaved an...

System and method for determining channel loss in a dispersive comm...

Systems and methods for pattern detection

Methods and apparatus for improved detection of servo sector data u...

Adaptive continuous time linear equalizer

Methods and apparatus for validating detection of RRO address marks

Systems and methods for sequence detection in data processing

Systems and methods for signal polarity determination

Systems and methods for spiral waveform detection

Systems and methods for detecting a reference pattern

Systems and methods for improved timing recovery

Method and apparatus for improved address mark detection

Systems and methods for reduced format data processing

Systems and methods for diversity combined data detection

Systems and methods for improved synchronization between an asynchr...

Systems and methods for sector address mark detection

Methods and apparatus for gain estimation using servo data with imp...

Methods and systems for estimating time corresponding to peak signa...

Systems and methods for fly-height control using servo address mark...

Systems and methods for improved timing recovery

Patents Applicationslast 30 patents

Clock Data Recovery Convergence In Modulated Partial Response Systems

CLOCK DATA RECOVERY CONVERGENCE USING SIGNED TIMING INJECTION

DUAL THRESHOLD AUTOMATIC GAIN CONTROL SYSTEM AND METHOD

SELECTING FLOATING TAP POSITIONS IN A FLOATING TAP EQUALIZER

RECEIVER WITH PIPELINED TAP COEFFICIENTS AND SHIFT CONTROL

CLOCK AND DATA RECOVERY ARCHITECTURE WITH ADAPTIVE DIGITAL PHASE SKEW

ADAPTIVE CONTINUOUS TIME LINEAR EQUALIZER

Timing Phase Estimation for Clock and Data Recovery

System and Method for Determining Channel Loss in a Dispersive Comm...

METHODS AND APPARATUS FOR IMPROVED DETECTION OF SERVO SECTOR DATA U...

FLAW SCAN CIRCUIT FOR REPEATABLE RUN OUT (RRO) DATA

METHODS AND APPARATUS FOR VALIDATING DETECTION OF RRO ADDRESS MARKS

Systems and Methods for Pattern Detection

SYSTEMS AND METHODS FOR DIVERSITY COMBINED DATA DETECTION

Systems and Methods for Reduced Format Data Processing

Systems and Methods for Improved Timing Recovery

Systems and Methods for Spiral Waveform Detection

Systems and Methods for Signal Polarity Determination

Systems and Methods for Sequence Detection in Data Processing

METHODS AND APPARATUS FOR GAIN ESTIMATION USING SERVO DATA WITH IMP...

Systems and Methods for Detecting a Reference Pattern

Systems and Methods for Fly-Height Control Using Servo Data

Methods and Systems for Estimating Time Corresponding to Peak Signa...

Systems and Methods for Fly-Height Control Using Servo Address Mark...

Systems and Methods for Memory Efficient Repeatable Run Out Processing

Systems and Methods for Sector Address Mark Detection

Systems and Methods for Acquiring Modified Rate Burst Demodulation...

Systems and Methods for Reducing the Effects of ADC Mismatch

Systems and Methods for Improved Synchronization Between an Asynchr...

Systems and Methods for Improved Timing Recovery