DC-free codes

Details DC-free codes DC-free codes

2007-03-05

2009-11-24

Young, Brian (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from minimum d.c. level codes

Reexamination Certificate

active

07623048

ABSTRACT:
An encoder comprises a DC tracking device that generates a metric based on portions of a communication signal and an invert signal as a function of the metric, wherein the invert signal has a flip state and a nonflip state. An inverter that selectively inverts the portions based on said invert signal to reduce an average DC value of the communication signal.

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