Digital word-framing technique and system

Details Digital word-framing technique and system Digital word-framing technique and system

1983-06-20

1986-08-12

Roskoski, Bernard

Communications: electrical

Audible indication

Percussion-type sound producer

371 47, H03M 1300

Patent

active

046059210

ABSTRACT:
A method is provided for decoding an encoded signal that includes a series of encoded digital data messages. Each message is encoded in such a way that each bit thereof is contained in the ordering of a complementary bit pair. Each encoded message is separated by a plurality of non-complementary bits. Decoding is provided by simultaneously analyzing a plurality of bit pairs of the encoded signal and producing an output when there are identified (i) a string of complementary bit pairs having a length in pairs equal to the number of bits in one of the messages and (ii) a plurality of non-complementary bits in at least one of the positions immediately preceding or immediately following the string.

REFERENCES:
patent: 3403377 (1968-09-01), Connolly et al.
patent: 3449717 (1969-06-01), Smith et al.
patent: 4316285 (1982-02-01), Bobilin et al.
patent: 4389636 (1983-06-01), Riddle, Jr.
patent: 4397020 (1983-08-01), Howson

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