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PCE
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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 1/245 CPC only CPC only
  • 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