Driving; Starting; Stopping; Arrangements for control or regulation thereof

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function > Driving; Starting; Stopping; Arrangements for control or regulation thereof

CPC:

Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function (driving or guiding heads G11B3/00 - G11B7/00, G11B21/00) > Driving; Starting; Stopping; Arrangements for control or regulation thereof

Of 11 combined children, 9 exist in both systems.

2 codes are CPC-only extensions.

4 shared codes have differing titles between IPC and CPC.

Child Classifications

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G11B 15/1808 +3 CPC CPC only CPC only
G11B 15/1883 +1 CPC CPC only CPC only
G11B 15/20 Moving record carrier backwards or forwards by finite amounts, i.e. backspacing, forward spacing IPC+CPC Available in IPC and CPC
G11B 15/22 Stopping means ( slowing-down preparatory to stopping or speed-changing G11B15/48; speed-controlling by mechanical linkage G11B15/50 ) IPC+CPC Available in IPC and CPC
G11B 15/24 Drive disengaging means IPC+CPC Available in IPC and CPC
G11B 15/26 Driving record carriers by members acting directly or indirectly thereon IPC+CPC Available in IPC and CPC
G11B 15/38 Driving record carriers by pneumatic means +1 CPC IPC+CPC Available in IPC and CPC
G11B 15/40 Driving record carriers otherwise than by electric motor IPC+CPC Available in IPC and CPC
G11B 15/43 Control or regulation of mechanical tension of record carrier, e.g. tape tension IPC+CPC Available in IPC and CPC
G11B 15/44 Speed-changing arrangements; Reversing arrangements; Drive transfer means therefor +2 CPC IPC+CPC Available in IPC and CPC
G11B 15/46 Controlling, regulating, or indicating speed +1 CPC IPC+CPC Available in IPC and CPC