CPC Subgroup
H04L 25/497 by correlative coding, e.g. partial response coding or echo modulation coding
Full Title
Baseband systems > Synchronous or start-stop systems, e.g. for Baudot code > Transmitting circuits; Receiving circuits > using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels > by correlative coding, e.g. partial response coding or echo modulation coding
1 direct subcode
Child Classifications
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