Transmitting/receiving methods and systems for DC balance...

Details Transmitting/receiving methods and systems for DC balance... Transmitting/receiving methods and systems for DC balance...

2007-03-29

2009-02-17

Jeanglaude, Jean B (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from minimum d.c. level codes

C341S050000, C341S051000

Reexamination Certificate

active

07492288

ABSTRACT:
DC balance encoded data is transmitted by transmitting a preamble of dummy data that is configured to provide an intermediate number of bits of a given logic value that is at least one bit of the given logic value but less than a maximum number of bits of the given logic value in the DC balance encoded data, to thereby reduce the simultaneous switching noise that is caused by transmission of a first word of DC balance encoded data. The preamble may contain one or more words of fixed and/or variable dummy data.

REFERENCES:
patent: 4486739 (1984-12-01), Franaszek et al.
patent: 5387911 (1995-02-01), Gleichert et al.
patent: 5533034 (1996-07-01), Kuwata et al.
patent: 6421291 (2002-07-01), Watanabe et al.
patent: 6633951 (2003-10-01), Cohen
patent: 6779724 (2004-08-01), Yamada

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