Apparatus for detecting errors in a digital data stream encoded

Details Apparatus for detecting errors in a digital data stream encoded Apparatus for detecting errors in a digital data stream encoded

1982-09-07

1985-02-26

Smith, Jerry

Excavating

H03K 1324, H03K 1332

Patent

active

045021422

ABSTRACT:
In the decoding of a data stream encoded in a Miller type code the number of intermediate duration transition intervals are counted between successive transition intervals of long duration. Whenever an odd number of intermediate duration transition intervals are detected between successive transition intervals of long duration, an error signal is produced. The error signal is developed by two gates utilizing signals otherwise present in the decoding apparatus.

REFERENCES:
patent: 3156893 (1964-11-01), Harel
patent: 3405235 (1968-10-01), Carter
patent: 3524164 (1970-08-01), Cox et al.
patent: 3744023 (1973-04-01), Carpetier et al.
patent: 4122441 (1978-10-01), Robinson et al.
patent: 4309694 (1982-01-01), Henry

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