DIFF Subgroup
H03M 1/24 using relatively movable reader and disc or strip
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Analogue/digital conversion; Digital/analogue conversion > Analogue/digital converters > pattern-reading type > using relatively movable reader and disc or strip
CPC:
Analogue/digital conversion; Digital/analogue conversion (conversion of analogue values to or from differential modulation H03M3/00) > Analogue/digital converters ( H03M1/10 take precedence) > pattern-reading type > using relatively movable reader and disc or strip
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1985.
Child Classifications
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- H03M 1/26 with weighted coding, i.e. the weight given to a digit depends on the position of the digit within the block or code word, e.g. there is a given radix and the weights are powers of this radix since 1985 IPC+CPC Available in IPC and CPC