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IPC Subgroup
G11B 19/02

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

Introduced: September 1968

Last revised: January 2006

Full Title

Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports 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

7 direct subcodes

Child Classifications

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  • G11B 19/04 Arrangements for preventing, inhibiting, or warning against, double recording on the same blank, or against other recording or reproducing malfunctions
  • G11B 19/06 by counting or timing of machine operations
  • G11B 19/08 by using devices external to the driving mechanisms, e.g. coin-freed switch
  • G11B 19/1 by sensing presence or absence of record in accessible stored position or on turntable
  • G11B 19/12 by sensing distinguishing features of records, e.g. diameter
  • G11B 19/14 by sensing movement or position of head, e.g. means moving in correspondence with head movements