Eric Rolf Christensen

Person

Tucson, AZ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dynamically controlling magnetoresitive bias
- Patent number 8,988,815
- Issue date Mar 24, 2015
- International Business Machines Corporation
- Said A. Ahmad
- G11 - INFORMATION STORAGE
Information Patent Grant
Dynamically controlling magnetoresistive bias
- Patent number 8,767,326
- Issue date Jul 1, 2014
- Industrial Business Machines Corporation
- Said Abdullah Ahmad
- G11 - INFORMATION STORAGE
Information Patent Grant
Fixing tap coefficients in a programmable finite-impulse-response e...
- Patent number 8,625,226
- Issue date Jan 7, 2014
- International Business Machines Corporation
- Eric Rolf Christensen
- G11 - INFORMATION STORAGE
Information Patent Grant
Technique for fixing tap coefficients in a programmable finite-impu...
- Patent number 8,605,380
- Issue date Dec 10, 2013
- International Business Machines Corporation
- Eric Rolf Christensen
- G11 - INFORMATION STORAGE
Information Patent Grant
Providing removable storage management services using removable sto...
- Patent number 8,132,050
- Issue date Mar 6, 2012
- International Business Machines Corporation
- Allen Keith Bates
- G11 - INFORMATION STORAGE
Information Patent Grant
Method to evaluate a data storage device using magnetic spacing losses
- Patent number 8,111,473
- Issue date Feb 7, 2012
- International Business Machines Corporation
- Eric Rolf Christensen
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for correcting magnetic tape dimensional instab...
- Patent number 8,094,402
- Issue date Jan 10, 2012
- International Business Machines Corporation
- Nhan X. Bui
- G11 - INFORMATION STORAGE
Information Patent Grant
Providing removable storage management services using removable sto...
- Patent number 7,913,117
- Issue date Mar 22, 2011
- International Business Machines Corporation
- Allen Keith Bates
- G11 - INFORMATION STORAGE
Information Patent Grant
Accessing removable storage management services to obtain replaceme...
- Patent number 7,870,427
- Issue date Jan 11, 2011
- International Business Machines Corporation
- Allen Keith Bates
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fast forward magnetic tape cartridge at first mount
- Patent number 7,719,782
- Issue date May 18, 2010
- International Business Machines Corporation
- Allen Keith Bates
- G11 - INFORMATION STORAGE
Information Patent Grant
Determination of magnetic tape write quality employing write equali...
- Patent number 7,139,142
- Issue date Nov 21, 2006
- International Business Machines Corporation
- David Berman
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for removing noise spikes
- Patent number 6,256,157
- Issue date Jul 3, 2001
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Programmable digital centerline tracking threshold apparatus and me...
- Patent number 5,920,438
- Issue date Jul 6, 1999
- International Business Machines Corporation
- Eric Rolf Christensen
- G11 - INFORMATION STORAGE
Information Patent Grant
Programmable digital envelope following threshold generation appara...
- Patent number 5,877,644
- Issue date Mar 2, 1999
- International Business Machines Corporation
- Eric Rolf Christensen
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape edge detector using off tape and on tape MR noise
- Patent number 5,457,585
- Issue date Oct 10, 1995
- International Business Machines Corporation
- Eric R. Christensen
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DYNAMICALLY CONTROLLING MAGNETORESITIVE BIAS
- Publication number 20140240865
- Publication date Aug 28, 2014
- International Business Machines Corporation
- Said A. AHMAD
- G11 - INFORMATION STORAGE
Information Patent Application
DYNAMICALLY CONTROLLING MAGNETORESITIVE BIAS
- Publication number 20140063638
- Publication date Mar 6, 2014
- International Business Machines Corporation
- Said Abdullah AHMAD
- G11 - INFORMATION STORAGE
Information Patent Application
FIXING TAP COEFFICIENTS IN A PROGRAMMABLE FINITE-IMPULSE-RESPONSE E...
- Publication number 20130128374
- Publication date May 23, 2013
- International Business Machines Corporation
- Eric R. Christensen
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEMS AND METHODS FOR CORRECTING MAGNETIC TAPE DIMENSIONAL INSTAB...
- Publication number 20110170214
- Publication date Jul 14, 2011
- International Business Machines Corporation
- Nhan X. Bui
- G11 - INFORMATION STORAGE
Information Patent Application
PROVIDING REMOVABLE STORAGE MANAGEMENT SERVICES USING REMOVABLE STO...
- Publication number 20110119167
- Publication date May 19, 2011
- International Business Machines Corporation
- Allen Keith Bates
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD TO EVALUATE A DATA STORAGE DEVICE USING MAGNETIC SPACING LOSSES
- Publication number 20110051274
- Publication date Mar 3, 2011
- International Business Machines Corporation
- ERIC ROLF CHRISTENSEN
- G11 - INFORMATION STORAGE
Information Patent Application
PROVIDING REMOVABLE STORAGE MANAGEMENT SERVICES USING REMOVABLE STO...
- Publication number 20090040650
- Publication date Feb 12, 2009
- International Business Machines Corporation
- Allen Keith Bates
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ACCESSING REMOVABLE STORAGE MANAGEMENT SERVICES TO OBTAIN REPLACEME...
- Publication number 20090044047
- Publication date Feb 12, 2009
- International Business Machines Corporation
- Allen Keith Bates
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Determination of magnetic tape write quality employing write equali...
- Publication number 20060092539
- Publication date May 4, 2006
- International Business Machines Corporation
- David Berman
- G11 - INFORMATION STORAGE

Eric Rolf Christensen

Person

Patents Grantslast 30 patents

Dynamically controlling magnetoresitive bias

Dynamically controlling magnetoresistive bias

Fixing tap coefficients in a programmable finite-impulse-response e...

Technique for fixing tap coefficients in a programmable finite-impu...

Providing removable storage management services using removable sto...

Method to evaluate a data storage device using magnetic spacing losses

Systems and methods for correcting magnetic tape dimensional instab...

Providing removable storage management services using removable sto...

Accessing removable storage management services to obtain replaceme...

Fast forward magnetic tape cartridge at first mount

Determination of magnetic tape write quality employing write equali...

Method and apparatus for removing noise spikes

Programmable digital centerline tracking threshold apparatus and me...

Programmable digital envelope following threshold generation appara...

Tape edge detector using off tape and on tape MR noise

Patents Applicationslast 30 patents

DYNAMICALLY CONTROLLING MAGNETORESITIVE BIAS

DYNAMICALLY CONTROLLING MAGNETORESITIVE BIAS

FIXING TAP COEFFICIENTS IN A PROGRAMMABLE FINITE-IMPULSE-RESPONSE E...

SYSTEMS AND METHODS FOR CORRECTING MAGNETIC TAPE DIMENSIONAL INSTAB...

PROVIDING REMOVABLE STORAGE MANAGEMENT SERVICES USING REMOVABLE STO...

METHOD TO EVALUATE A DATA STORAGE DEVICE USING MAGNETIC SPACING LOSSES

PROVIDING REMOVABLE STORAGE MANAGEMENT SERVICES USING REMOVABLE STO...

ACCESSING REMOVABLE STORAGE MANAGEMENT SERVICES TO OBTAIN REPLACEME...

Determination of magnetic tape write quality employing write equali...