Control of operating function, e.g. switching from recording to reproducing

Full Title

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 > Control of operating function, e.g. switching from recording to reproducing

Classification Context

Section:

PHYSICS

Class:

INFORMATION STORAGE

Subclass:

INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER

Child Classifications

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• G11B 15/03 by using counters
• G11B 15/04 Preventing, inhibiting, or warning against accidental erasing or double recording
• G11B 15/05 by sensing features present on, or derived from, record carrier or container
• G11B 15/1 Manually-operated control; Solenoid-operated control
• G11B 15/12 Masking of heads; Selecting or switching of heads between operative and inoperative functions; Masking of beams, e.g. of light beams
• G11B 15/16 by sensing presence, absence or position of record carrier or container