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DIFF Subgroup
H03K 17/30

Modifications for providing a predetermined threshold before switching (shaping pulses by thresholding H03K5/08)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Modifications for providing a predetermined threshold before switching

CPC: Modifications for providing a predetermined threshold before switching (shaping pulses by thresholding H03K5/08)

Full Title

Full titles differ between systems:

IPC:

Electronic switching or gating, i.e. not by contact-making and -breaking > Modifications for providing a predetermined threshold before switching

CPC:

Electronic switching or gating, i.e. not by contact-making and –breaking (gated amplifiers H03F3/72; switching arrangements for exchange systems using static devices H04Q3/52) > Modifications for providing a predetermined threshold before switching (shaping pulses by thresholding H03K5/08)

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

Child Classifications

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