Balanced disparity frame sync

Details Balanced disparity frame sync Balanced disparity frame sync

2004-10-07

2010-12-14

Nguyen, Linh V (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from minimum d.c. level codes

C341S059000, C341S068000, C341S069000, C375S355000, C375S357000, C375S368000, C370S465000, C370S508000, C370S509000

Reexamination Certificate

active

07852238

ABSTRACT:
A coder is fed with pre-coded data such that the absolute value of the RDS of the code words as produced by the coder is limited. This is achieved by ensuring that in a group of 2 code words the RDS of the first code word is compensated by the RDS of the second conde word. The RDS at the end of the second code word is then zero and the excursions of the RDS from the start of the first code word until the end of the second code word are limited because there are only a limited number of bits that can contribute to an increase of the absolute value of the RDS. This principle can easily be applied to the 17PP coder.

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