Method and apparatus for encoding and decoding binary informatio

Details Method and apparatus for encoding and decoding binary informatio Method and apparatus for encoding and decoding binary informatio

1987-08-28

1989-11-28

Shoop, Jr., William M.

Coded data generation or conversion

Digital code to digital code converters

To or from nrz codes

341 68, H03M 512

Patent

active

048840742

ABSTRACT:
A method for encoding and decoding successive information trains serially coded wherein each information bit is transmitted during a determined time interval, at least one level change appearing for each bit during this time interval, wherein, during the encoding, each information train is preceded by a heading having a time duration of two determined time intervals during which a code violation is carried out so that, during at least one time interval, no transition appears and wherein, while decoding, said violation is detected for finding the heading.

REFERENCES:
patent: 3795903 (1974-03-01), Lindsey
patent: 4079251 (1978-03-01), Osann, Jr.
patent: 4080572 (1978-03-01), Hastings et al.
patent: 4185273 (1980-01-01), Gowan
patent: 4355423 (1982-10-01), Theall
patent: 4417320 (1983-11-01), Ei
patent: 4443787 (1984-04-01), Denk et al.
patent: 4449119 (1984-05-01), Hanna et al.
Norton, Drop Your Costs, But Not Your Bits With A Manchester-Data Decoder, Electronic Design, 19 Jul. 1979, pp. 110-116.

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