Method and device for code generation in the transmission of...

Coded data generation or conversion – Digital code to digital code converters – To or from minimum d.c. level codes

Reexamination Certificate

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C341S050000, C341S051000, C713S150000

Reexamination Certificate

active

07460034

ABSTRACT:
A method and a device for generating codes in the transmission of data via a communications system having at least two subscribers, in which a first subscriber receives at least one data word and forwards the data word or an at least partially changed data word to at least one second subscriber, the data being represented as bits which are able to assume two different values, and at least two bits of a data word are coded in at least three bits in such a way that in the three coded bits always at least two bits of the same value follow each other and that, after the reception of one or two of the three coded bits, one may already be able to decide which first code bit is to be emitted.

REFERENCES:
patent: 4961221 (1990-10-01), Abiven
patent: 5442647 (1995-08-01), Loebig
Lyuh C-G et al., “Low power bus encoding with crosslink delay elimination”, Proceedings 15thAnnual IEEE International ASIC/SOC Conference, Rochester, NY, USA, Sep. 25-28, 2002, Piscataway, N.J., USA, Sep. 25, 2002, pp. 389-393.
Duprat J et al., “Some results about on-line computation of functions”, Proceedings of the 9thSymposium on Computer Arithmetic, 1989, Santa Monica, CA, USA, Sep. 6-8, 1989, IEEE Comput. Soc. Press, Washington, D.C., USA, Sep. 6, 1989, pp. 112-118.
“A New 8B10B Block Code for High Speed Data Transmission Over Unshielded Twisted Pair Channels”, Alistair Coles, Hewlett Packard, Oct. 1996.

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