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Blair I. Finkelstein
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Tucson, AZ, US
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last 30 patents
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Patent Grant
Optical storage drive employing variable write speed for reduced la...
Patent number
5,625,615
Issue date
Apr 29, 1997
International Business Machines Corporation
James J. Dente
G11 - INFORMATION STORAGE
Information
Patent Grant
Reading optical disks having substrates with diverse axial thicknesses
Patent number
5,621,717
Issue date
Apr 15, 1997
International Business Machines Corporation
Blair I. Finkelstein
G11 - INFORMATION STORAGE
Information
Patent Grant
Switchable filter for modulating laser intensity and reducing laser...
Patent number
5,606,541
Issue date
Feb 25, 1997
International Business Machines Corporation
Blair I. Finkelstein
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording device capable of reducing thermal interf...
Patent number
5,602,806
Issue date
Feb 11, 1997
International Business Machines Corporation
Patrick C. Arnett
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Information
Patent Grant
Optimized laser read power based upon scan speed of optical medium...
Patent number
5,586,099
Issue date
Dec 17, 1996
International Business Machines Corporation
Blair I. Finkelstein
G11 - INFORMATION STORAGE
Information
Patent Grant
Monitoring and adjusting laser write power in an optical disk recor...
Patent number
5,450,383
Issue date
Sep 12, 1995
International Business Machines Corporation
David E. Call
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Information
Patent Grant
Optical disk recorders using disks coatings close to outer surfaces...
Patent number
5,420,834
Issue date
May 30, 1995
International Business Machines Corporation
Blair I. Finkelstein
G11 - INFORMATION STORAGE
Information
Patent Grant
Two-sided optical disks having recording layers disposed close to o...
Patent number
5,392,262
Issue date
Feb 21, 1995
International Business Machines Corporation
Blair I. Finkelstein
G11 - INFORMATION STORAGE
Information
Patent Grant
Laser power control with defocusing offset during data recording
Patent number
5,383,175
Issue date
Jan 17, 1995
International Business Machines Corporation
Blair I. Finkelstein
G11 - INFORMATION STORAGE
Information
Patent Grant
Split detector system for direct read-while-write operation on magn...
Patent number
5,283,775
Issue date
Feb 1, 1994
International Business Machines, Inc.
Blair I. Finkelstein
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Information
Patent Grant
Calibrating lasers for optical recording using a maximal readback s...
Patent number
5,185,733
Issue date
Feb 9, 1993
International Business Machines Corporation
Blair I. Finkelstein
G11 - INFORMATION STORAGE
Information
Patent Grant
System for predicting laser end-of life from the power vs. current...
Patent number
5,172,365
Issue date
Dec 15, 1992
International Business Machines Corporation
David E. Call
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Information
Patent Grant
Optical disk recorder for diverse media types and having a predeter...
Patent number
5,136,569
Issue date
Aug 4, 1992
International Business Machines Corporation
Alan A. Fennema
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Information
Patent Grant
Utilizing wasted laser light in optical systems
Patent number
5,115,420
Issue date
May 19, 1992
International Business Machines Corporation
Blair I. Finkelstein
G11 - INFORMATION STORAGE