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PCE
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DIFF Subgroup
G06G 7/18

for integration or differentiation; for forming integrals (G06G7/19 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: for integration or differentiation

CPC: for integration or differentiation; for forming integrals (G06G7/19 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Devices in which the computing operation is performed by varying electric or magnetic quantities > Arrangements for performing computing operations, e.g. amplifiers specially adapted therefor > for integration or differentiation

CPC:

Devices in which the computing operation is performed by varying electric or magnetic quantities > Arrangements for performing computing operations, e.g. amplifiers specially adapted therefor > for integration or differentiation; for forming integrals (G06G7/19 takes precedence)

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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  • G06G 7/1806 CPC only CPC only
  • G06G 7/1813 CPC only CPC only
  • G06G 7/182 using magnetic elements since 1980 IPC+CPC Available in IPC and CPC
  • G06G 7/188 using electromechanical elements since 1980 IPC+CPC Available in IPC and CPC