Coded data generation or conversion – Digital code to digital code converters – To or from minimum d.c. level codes
Reexamination Certificate
2008-01-01
2008-01-01
Mai, Lam T. (Department: 2819)
Coded data generation or conversion
Digital code to digital code converters
To or from minimum d.c. level codes
C341S050000
Reexamination Certificate
active
07315262
ABSTRACT:
A coding method for a sequence of elements that can be equal to at least two distinct values, the elements forming at least one input symbol. The coding method comprises a stretching step of stretching at least one of the input symbols, to form a stretched symbol, such that the stretched symbol does not have any successive transitions. The coding method further comprises a cancelling step of canceling the disparity of the stretched symbol to form a coded symbol, such that the coded symbol comprises approximately the same number of elements of each value.
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A.X. Widmark et al., “A DC-Balanced, Partitioned-Block, 8B/10B Transmission Code”, IBM Journal of Research and Development, vol. 27, No. 5, pp. 440-451, Sep. 1983.
Buriau Sylvain
Closset Arnaud
Cook Barry Michael
Frouin Laurent
Walker Christopher Paul Hulme
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Mai Lam T.
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