Mark Douglas Warne from The Villages, FL, age 69

Mark Warne Phones & Addresses

Name / Title

Company / Classification

Phones & Addresses

Mark Warne
Director

OPTIMAL MEDICINE INC

Mark Warne
President

Warne Design Inc
Architecture & Planning · Graphic Design

33 Western Ter, Minneapolis, MN 55426
763 591-9337

Self-Equalization Method For Partial-Response Maximum-Likelihood Disk Drive Systems
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US Patent:

54265410, Jun 20, 1995
Filed:

Mar 31, 1994
Appl. No.:

8/221321
Inventors:

Jonathan D. Coker - Rochester MN
Richard L. Galbraith - Rochester MN
Walter Hirt - Zurich, CH
David J. Stanek - Rochester MN
Mark D. Warne - Rochester MN
Assignee:

International Business Machines Corporation - Armonk NY
International Classification:

G11B 509
US Classification:

360 65
Abstract:

Apparatus and method for providing equalization adjustment for a filter are provided in a PRML data channel. A first predetermined test pattern is written. Relative error is measured in both magnitude and phase for predetermined frequencies. A relative magnitude ratio for the predetermined frequencies and a phase delay between the predetermined frequencies are identified. A tap set is generated having predefined frequency responses at a plurality of predefined discrete frequencies.