Modifications for introducing a time delay before switching (modifications to provide a choice of time-intervals for executing more than one switching action H03K17/296)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Modifications for introducing a time delay before switching

CPC: Modifications for introducing a time delay before switching (modifications to provide a choice of time-intervals for executing more than one switching action H03K17/296)

Full Title

Full titles differ between systems:

IPC:

Electronic switching or gating, i.e. not by contact-making and -breaking > Modifications for introducing a time delay 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 introducing a time delay before switching (modifications to provide a choice of time-intervals for executing more than one switching action H03K17/296)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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H03K 17/284 in field effect transistor switches since 1980 IPC+CPC Available in IPC and CPC
H03K 17/288 in tube switches since 1980 IPC+CPC Available in IPC and CPC
H03K 17/292 in thyristor, unijunction transistor or programmable unijunction transistor switches since 1980 IPC+CPC Available in IPC and CPC