H ELECTRICITY
H03 ELECTRONIC CIRCUITRY
H03M CODING; DECODING; CODE CONVERSION IN GENERAL
7/00 Conversion of a code where information is represented by a given sequence or number of digits to a code where the same; , similar or subset of; information is represented by a different sequence or number of digits
H03M7/30 Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
H03M7/46 Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind