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John M. Gerpheide
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Silver Spring, MD, US
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last 30 patents
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Patent Grant
M-ary (d,k) runlength limited coding for multi-level data
Patent number
5,781,130
Issue date
Jul 14, 1998
Optex Corporation
Steven W. McLaughlin
G11 - INFORMATION STORAGE
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Patent Grant
Partial response coding for a multi-level optical recording channel
Patent number
5,537,382
Issue date
Jul 16, 1996
Optex Corporation
Steven W. McLaughlin
G11 - INFORMATION STORAGE