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PCE
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DIFF Main Group
H03K 5/00

Manipulating of pulses not covered by one of the other main groups of this subclass (circuits with regenerative action H03K3/00, H03K4/00; by the use of non-linear magnetic or dielectric devices H03K3/45)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Manipulation of pulses not covered by one of the other main groups of this subclass

CPC: Manipulating of pulses not covered by one of the other main groups of this subclass (circuits with regenerative action H03K3/00, H03K4/00; by the use of non-linear magnetic or dielectric devices H03K3/45)

Full Title

Full titles differ between systems:

IPC:

Manipulation of pulses not covered by one of the other main groups of this subclass

CPC:

Manipulating of pulses not covered by one of the other main groups of this subclass (circuits with regenerative action H03K3/00, H03K4/00; by the use of non-linear magnetic or dielectric devices H03K3/45)

Of 14 combined children, 10 exist in both systems.

4 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

7 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • H03K 2005/00286 2nd only CPC only CPC only
  • H03K 2005/00293 2nd only CPC only CPC only
  • H03K 5/00006 CPC only CPC only
  • H03K 5/159 Applications of delay lines not covered by the preceding subgroups IPC+CPC Available in IPC and CPC
  • H03K 5/19 Monitoring patterns of pulse trains (indicating amplitude G01R19/00; indicating frequency G01R23/00; measuring characteristics of individual pulses G01R29/02) since 1980 IPC+CPC Available in IPC and CPC