Coded data generation or conversion – Digital code to digital code converters – To or from minimum d.c. level codes
Reexamination Certificate
2007-04-16
2009-06-09
Mai, Lam T (Department: 2819)
Coded data generation or conversion
Digital code to digital code converters
To or from minimum d.c. level codes
C375S253000
Reexamination Certificate
active
07545292
ABSTRACT:
A modulation apparatus and method employs first and second conversion means for translating input data into an alternate form for recording. The first conversion means converts a portion of input data matching a first data pattern into a first code pattern in accordance with a first table which maintains an even/odd-characteristic and a second conversion means converts a portion of input data matching a second data pattern into a second code pattern in accordance with a second table which does not maintain an even/odd-characteristic.
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Depke Robert J.
Mai Lam T
Rockey Depke & Lyons, LLC
Sony Corporation
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