characterised by the way in which the control signals are generated

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Electronic switching or gating, i.e. not by contact-making and -breaking > characterised by the way in which the control signals are generated

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) > characterised by the way in which the control signals are generated

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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H03K 17/941 +1 CPC CPC only CPC only
H03K 17/945 Proximity switches (H03K17/96 takes precedence) since 1980 +1 CPC IPC+CPC Available in IPC and CPC
H03K 17/96 Touch switches (specially adapted for electronic time-pieces with no moving parts G04G21/08) since 1980 +7 CPC IPC+CPC Available in IPC and CPC
H03K 17/965 Switches controlled by moving an element forming part of the switch since 1980 IPC+CPC Available in IPC and CPC