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PCE
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DIFF Subgroup
G11B 15/467

in arrangements for recording or reproducing wherein both record carriers and heads are driven

Introduced: January 1985

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 > Controlling, regulating, or indicating speed > in arrangements for recording or reproducing wherein both record carriers and heads are driven

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 > Controlling, regulating, or indicating speed > in arrangements for recording or reproducing wherein both record carriers and heads are driven

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

IPC defines codes here since 1985.

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