Bistable circuits

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Circuits for generating electric pulses; Monostable, bistable or multistable circuits > Generators characterised by the type of circuit or by the means used for producing pulses > by the use, as active elements, of field-effect transistors with internal or external positive feedback > Bistable circuits

CPC:

Circuits for generating electric pulses; Monostable, bistable or multistable circuits (H03K4/00 takes precedence; for digital function generators in computers G06F1/02) > Generators characterised by the type of circuit or by the means used for producing pulses (H03K3/64 - H03K3/84 take precedence) > by the use, as active elements, of field-effect transistors with internal or external positive feedback (H03K3/023, H03K3/027 take precedence) > Bistable circuits

CPC subdivides this area 4x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

IPC defines codes here since 1995.

Child Classifications

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H03K 3/356008 CPC only CPC only
H03K 3/356017 +3 CPC CPC only CPC only
H03K 3/356069 +1 CPC CPC only CPC only
H03K 3/356086 +1 CPC CPC only CPC only
H03K 3/356104 +3 CPC CPC only CPC only
H03K 3/3562 of the primary-secondary type since 1995 +1 CPC IPC+CPC Available in IPC and CPC
H03K 3/3565 Bistables with hysteresis, e.g. Schmitt trigger since 1995 IPC+CPC Available in IPC and CPC