Circuit elements having no moving parts

Introduced: September 1968

Of 14 combined children, 7 exist in both systems.

7 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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F15C 1/001 CPC only CPC only
F15C 1/002 CPC only CPC only
F15C 1/003 CPC only CPC only
F15C 1/005 CPC only CPC only
F15C 1/006 CPC only CPC only
F15C 1/007 CPC only CPC only
F15C 1/008 CPC only CPC only
F15C 1/02 Details IPC+CPC Available in IPC and CPC
F15C 1/08 Boundary-layer devices, e.g. wall-attachment amplifiers IPC+CPC Available in IPC and CPC
F15C 1/14 Stream-interaction devices; Momentum-exchange devices, e.g. operating by exchange between two orthogonal fluid jets +2 CPC IPC+CPC Available in IPC and CPC
F15C 1/16 Vortex devices, i.e. devices in which use is made of the pressure drop associated with vortex motion in a fluid IPC+CPC Available in IPC and CPC
F15C 1/18 Turbulence devices, i.e. devices in which a controlling stream will cause a laminar flow to become turbulent IPC+CPC Available in IPC and CPC
F15C 1/20 Direct-impact devices i.e., devices in which two collinear opposing power streams are impacted IPC+CPC Available in IPC and CPC
F15C 1/22 Oscillators since 1974 IPC+CPC Available in IPC and CPC