Driving mechanisms

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Projectors or projection-type viewers; Accessories therefor > Details > Details specially adapted for motion-picture projection > Driving mechanisms

CPC:

Projectors or projection-type viewers; Accessories therefor (devices for changing pictures G03B23/00) > Details > Details specially adapted for motion-picture projection (with film moving continuously through the gate G03B41/02) > Driving mechanisms

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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G03B 21/44 Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed IPC+CPC Available in IPC and CPC