DIFF Subgroup
H04L 17/04 with keyboard co-operating with code-bars
Introduced: September 1968
Full Title
Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code > Apparatus or circuits at the transmitting end > with keyboard co-operating with code-bars
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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