Larry LeeRoy Tretter

Person

Tucson, AZ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Direct measurement of magnetoresistive head resistance in a storage...
- Patent number 11,978,489
- Issue date May 7, 2024
- International Business Machines Corporation
- Jake Asmus
- G11 - INFORMATION STORAGE
Information Patent Grant
Flexible electrical cable with four copper layers
- Patent number 11,842,829
- Issue date Dec 12, 2023
- International Business Machines Corporation
- Sassan K. Shahidi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-circuit calibration of anti-aliasing filter
- Patent number 10,418,061
- Issue date Sep 17, 2019
- International Business Machines Corporation
- Larry L. Tretter
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
In-circuit calibration of anti-aliasing filter
- Patent number 10,229,711
- Issue date Mar 12, 2019
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Grant
In-circuit calibration of anti-aliasing filter
- Patent number 9,899,056
- Issue date Feb 20, 2018
- International Business Machines Corporation
- Larry L. Tretter
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Write driver DC resistance calibration
- Patent number 9,741,365
- Issue date Aug 22, 2017
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Grant
In-circuit calibration method of anti-aliasing filter
- Patent number 9,734,861
- Issue date Aug 15, 2017
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Grant
Detection of open write heads and/or cables in tape drives
- Patent number 9,576,594
- Issue date Feb 21, 2017
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Grant
Detection of open write heads and/or cables in tape drives
- Patent number 9,349,387
- Issue date May 24, 2016
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Grant
Write driver DC resistance calibration
- Patent number 9,330,689
- Issue date May 3, 2016
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Grant
Device select system for multi-device electronic system
- Patent number 8,879,209
- Issue date Nov 4, 2014
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Gain control with multiple integrators
- Patent number 8,872,573
- Issue date Oct 28, 2014
- International Business Machines Corporation
- Jacob Lee Dahle
- G11 - INFORMATION STORAGE
Information Patent Grant
Device select system for multi-device electronic system
- Patent number 8,587,902
- Issue date Nov 19, 2013
- International Business Machines Corporation
- Robert Glenn Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual gain control for magnetic data storage system
- Patent number 8,254,048
- Issue date Aug 28, 2012
- International Business Machines Corporation
- Jacob Lee Dahle
- G11 - INFORMATION STORAGE
Information Patent Grant
Flexible cable comprising liquid crystal polymer
- Patent number 8,213,120
- Issue date Jul 3, 2012
- International Business Machines Corporation
- Sassan K. Shahidi
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method to transfer data to and from a sequential info...
- Patent number 8,159,770
- Issue date Apr 17, 2012
- International Business Machines Corporation
- Nhan Xuan Bui
- G11 - INFORMATION STORAGE
Information Patent Grant
Gain control with multiple integrators
- Patent number 8,130,021
- Issue date Mar 6, 2012
- International Business Machines Corporation
- Jacob Lee Dahle
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus, system, and method for measuring magnetoresistive head r...
- Patent number 8,107,181
- Issue date Jan 31, 2012
- International Business Machines Corporation
- Larry LeeRoy Tretter
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus, system, and method for detecting the formation of a shor...
- Patent number 8,044,816
- Issue date Oct 25, 2011
- International Business Machines Corporation
- Brian Axtman
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual gain control for magnetic data storage system
- Patent number 7,982,992
- Issue date Jul 19, 2011
- International Business Machines Corporation
- Jacob Lee Dahle
- G11 - INFORMATION STORAGE
Information Patent Grant
Track-adapted data clocking
- Patent number 7,933,089
- Issue date Apr 26, 2011
- International Business Machines Corporation
- Robert Glenn Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for generating an amplitude error signal in a mag...
- Patent number 7,924,524
- Issue date Apr 12, 2011
- International Business Machines Corporation
- Jacob Lee Dahle
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus, system, and method for controlling recording head substr...
- Patent number 7,742,252
- Issue date Jun 22, 2010
- International Business Machines Corporation
- Robert Glenn Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Open write-head-cable test method and detector
- Patent number 7,729,072
- Issue date Jun 1, 2010
- International Business Machines Corporation
- Jacob L. Dahle
- G01 - MEASURING TESTING
Information Patent Grant
Variable power write driver circuit
- Patent number 7,688,536
- Issue date Mar 30, 2010
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Grant
ESD dissipative coating on cables
- Patent number 7,223,922
- Issue date May 29, 2007
- International Business Machines Corporation
- William Thomas Bandy, IV
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus, system, and method for measuring magnetoresistive head r...
- Patent number 7,130,143
- Issue date Oct 31, 2006
- International Business Machines Corporation
- Larry LeeRoy Tretter
- G11 - INFORMATION STORAGE
Information Patent Grant
Measurement of the write current of a current mode write driver whi...
- Patent number 7,075,344
- Issue date Jul 11, 2006
- International Business Machines Corporation
- Larry LeeRoy Tretter
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus, system, and method for testing an analog to digital conv...
- Patent number 7,039,540
- Issue date May 2, 2006
- International Business Machines Corporation
- Jacob Lee Dahle
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Open head detection circuit and method in a voltage or current mode...
- Patent number 6,952,316
- Issue date Oct 4, 2005
- International Business Machines Corporation
- Larry LeeRoy Tretter
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
FLEXIBLE ELECTRICAL CABLE WITH FOUR COPPER LAYERS
- Publication number 20230298782
- Publication date Sep 21, 2023
- International Business Machines Corporation
- Sassan K. Shahidi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IN-CIRCUIT CALIBRATION OF ANTI-ALIASING FILTER
- Publication number 20190156860
- Publication date May 23, 2019
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Application
IN-CIRCUIT CALIBRATION OF ANTI-ALIASING FILTER
- Publication number 20180068688
- Publication date Mar 8, 2018
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Application
IN-CIRCUIT CALIBRATION OF ANTI-ALIASING FILTER
- Publication number 20180053526
- Publication date Feb 22, 2018
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Application
WRITE DRIVER DC RESISTANCE CALIBRATION
- Publication number 20170032807
- Publication date Feb 2, 2017
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Application
DETECTION OF OPEN WRITE HEADS AND/OR CABLES IN TAPE DRIVES
- Publication number 20170032808
- Publication date Feb 2, 2017
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Application
DEVICE SELECT SYSTEM FOR MULTI-DEVICE ELECTRONIC SYSTEM
- Publication number 20140036393
- Publication date Feb 6, 2014
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus and Method to Transfer Data to and from a Sequential Info...
- Publication number 20120200952
- Publication date Aug 9, 2012
- International Business Machines Corporation
- NHAN XUAN BUI
- G11 - INFORMATION STORAGE
Information Patent Application
GAIN CONTROL WITH MULTIPLE INTEGRATORS
- Publication number 20120126876
- Publication date May 24, 2012
- International Business Machines Corporation
- Jacob Lee Dahle
- G11 - INFORMATION STORAGE
Information Patent Application
DUAL GAIN CONTROL FOR MAGNETIC DATA STORAGE SYSTEM
- Publication number 20110228424
- Publication date Sep 22, 2011
- International Business Machines Corporation
- Jacob Lee Dahle
- G11 - INFORMATION STORAGE
Information Patent Application
DUAL GAIN CONTROL FOR MAGNETIC DATA STORAGE SYSTEM
- Publication number 20100177423
- Publication date Jul 15, 2010
- Jacob Lee Dahle
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEM AND METHOD FOR GENERATING AN AMPLITUDE ERROR SIGNAL IN A MAG...
- Publication number 20100177427
- Publication date Jul 15, 2010
- Jacob Lee Dahle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD TO TRANSFER DATA TO AND FROM A SEQUENTIAL INFO...
- Publication number 20100177436
- Publication date Jul 15, 2010
- International Business Machines Corporation
- NHAN XUAN BUI
- G11 - INFORMATION STORAGE
Information Patent Application
GAIN CONTROL WITH MULTIPLE INTEGRATORS
- Publication number 20100176865
- Publication date Jul 15, 2010
- Jacob Lee Dahle
- G11 - INFORMATION STORAGE
Information Patent Application
TRACK-ADAPTED DATA CLOCKING
- Publication number 20100079891
- Publication date Apr 1, 2010
- Robert Glenn Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Application
FLEXIBLE CABLE COMPRISING LIQUID CRYSTAL POLYMER
- Publication number 20090067089
- Publication date Mar 12, 2009
- Sassan K. Shahidi
- G11 - INFORMATION STORAGE
Information Patent Application
DEVICE SELECT SYSTEM FOR MULTI-DEVICE ELECTRONIC SYSTEM
- Publication number 20080291566
- Publication date Nov 27, 2008
- Robert Glenn Biskeborn
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Variable Power Write Driver Circuit
- Publication number 20080290908
- Publication date Nov 27, 2008
- International Business Machines Corporation
- Larry L. Tretter
- G11 - INFORMATION STORAGE
Information Patent Application
Open Write-Head-Cable Test Method and Detector
- Publication number 20080290863
- Publication date Nov 27, 2008
- International Business Machines Corporation
- Jacob L. Dahle
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS, SYSTEM, AND METHOD FOR DETECTING THE FORMATION OF A SHOR...
- Publication number 20080186634
- Publication date Aug 7, 2008
- Brian Axtman
- G11 - INFORMATION STORAGE
Information Patent Application
APPARATUS, SYSTEM, AND METHOD FOR CONTROLLING RECORDING HEAD SUBSTR...
- Publication number 20080186613
- Publication date Aug 7, 2008
- Robert Glenn Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Application
APPARATUS, SYSTEM, AND METHOD FOR MEASURING MAGNETORESISTIVE HEAD R...
- Publication number 20080100948
- Publication date May 1, 2008
- Larry LeeRoy Tretter
- G11 - INFORMATION STORAGE
Information Patent Application
Sensing mechanism for reading magnetic storage medium
- Publication number 20070279808
- Publication date Dec 6, 2007
- Icko E.T. Iben
- G11 - INFORMATION STORAGE
Information Patent Application
ESD DISSIPATIVE COATING ON CABLES
- Publication number 20070139853
- Publication date Jun 21, 2007
- International Business Machines Corporation
- William Thomas Bandy
- G11 - INFORMATION STORAGE
Information Patent Application
APPARATUS, SYSTEM, AND METHOD FOR MEASURING MAGNETORESISTIVE HEAD R...
- Publication number 20060244442
- Publication date Nov 2, 2006
- Larry LeeRoy Tretter
- G11 - INFORMATION STORAGE
Information Patent Application
APPARATUS, SYSTEM, AND METHOD FOR TESTING AN ANALOG TO DIGITAL CONV...
- Publication number 20060085154
- Publication date Apr 20, 2006
- Jacob Lee Dahle
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ESD dissipative coating on cables
- Publication number 20060023382
- Publication date Feb 2, 2006
- International Business Machines Corporation
- William Thomas Bandy
- G11 - INFORMATION STORAGE
Information Patent Application
Data read transducers for determining lateral position of a tape he...
- Publication number 20050052778
- Publication date Mar 10, 2005
- International Business Machines Corporation
- Nhan Xuan Bui
- G11 - INFORMATION STORAGE
Information Patent Application
Measurement of the write current of a current mode write driver whi...
- Publication number 20040105315
- Publication date Jun 3, 2004
- Larry LeeRoy Tretter
- G11 - INFORMATION STORAGE
Information Patent Application
Open head detection circuit and method in a voltage or current mode...
- Publication number 20040090692
- Publication date May 13, 2004
- International Business Machines Corporation
- Larry LeeRoy Tretter
- G11 - INFORMATION STORAGE

Larry LeeRoy Tretter

Person

Patents Grantslast 30 patents

Direct measurement of magnetoresistive head resistance in a storage...

Flexible electrical cable with four copper layers

In-circuit calibration of anti-aliasing filter

In-circuit calibration of anti-aliasing filter

In-circuit calibration of anti-aliasing filter

Write driver DC resistance calibration

In-circuit calibration method of anti-aliasing filter

Detection of open write heads and/or cables in tape drives

Detection of open write heads and/or cables in tape drives

Write driver DC resistance calibration

Device select system for multi-device electronic system

Gain control with multiple integrators

Device select system for multi-device electronic system

Dual gain control for magnetic data storage system

Flexible cable comprising liquid crystal polymer

Apparatus and method to transfer data to and from a sequential info...

Gain control with multiple integrators

Apparatus, system, and method for measuring magnetoresistive head r...

Apparatus, system, and method for detecting the formation of a shor...

Dual gain control for magnetic data storage system

Track-adapted data clocking

System and method for generating an amplitude error signal in a mag...

Apparatus, system, and method for controlling recording head substr...

Open write-head-cable test method and detector

Variable power write driver circuit

ESD dissipative coating on cables

Apparatus, system, and method for measuring magnetoresistive head r...

Measurement of the write current of a current mode write driver whi...

Apparatus, system, and method for testing an analog to digital conv...

Open head detection circuit and method in a voltage or current mode...

Patents Applicationslast 30 patents

FLEXIBLE ELECTRICAL CABLE WITH FOUR COPPER LAYERS

IN-CIRCUIT CALIBRATION OF ANTI-ALIASING FILTER

IN-CIRCUIT CALIBRATION OF ANTI-ALIASING FILTER

IN-CIRCUIT CALIBRATION OF ANTI-ALIASING FILTER

WRITE DRIVER DC RESISTANCE CALIBRATION

DETECTION OF OPEN WRITE HEADS AND/OR CABLES IN TAPE DRIVES

DEVICE SELECT SYSTEM FOR MULTI-DEVICE ELECTRONIC SYSTEM

Apparatus and Method to Transfer Data to and from a Sequential Info...

GAIN CONTROL WITH MULTIPLE INTEGRATORS

DUAL GAIN CONTROL FOR MAGNETIC DATA STORAGE SYSTEM

DUAL GAIN CONTROL FOR MAGNETIC DATA STORAGE SYSTEM

SYSTEM AND METHOD FOR GENERATING AN AMPLITUDE ERROR SIGNAL IN A MAG...

APPARATUS AND METHOD TO TRANSFER DATA TO AND FROM A SEQUENTIAL INFO...

GAIN CONTROL WITH MULTIPLE INTEGRATORS

TRACK-ADAPTED DATA CLOCKING

FLEXIBLE CABLE COMPRISING LIQUID CRYSTAL POLYMER

DEVICE SELECT SYSTEM FOR MULTI-DEVICE ELECTRONIC SYSTEM

Variable Power Write Driver Circuit

Open Write-Head-Cable Test Method and Detector

APPARATUS, SYSTEM, AND METHOD FOR DETECTING THE FORMATION OF A SHOR...

APPARATUS, SYSTEM, AND METHOD FOR CONTROLLING RECORDING HEAD SUBSTR...

APPARATUS, SYSTEM, AND METHOD FOR MEASURING MAGNETORESISTIVE HEAD R...

Sensing mechanism for reading magnetic storage medium

ESD DISSIPATIVE COATING ON CABLES

APPARATUS, SYSTEM, AND METHOD FOR MEASURING MAGNETORESISTIVE HEAD R...

APPARATUS, SYSTEM, AND METHOD FOR TESTING AN ANALOG TO DIGITAL CONV...

ESD dissipative coating on cables

Data read transducers for determining lateral position of a tape he...

Measurement of the write current of a current mode write driver whi...

Open head detection circuit and method in a voltage or current mode...