Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor

Classification Context

Section:

PHYSICS

Class:

INFORMATION STORAGE

Subclass:

INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER

Related Keywords

Child Classifications

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• G11B 3/02 Arrangements of heads
• G11B 3/44 Styli, e.g. sapphire, diamond
• G11B 3/58 Cleaning record carriers or styli, e.g. removing shavings or dust
• G11B 3/6 Turntables for record carriers
• G11B 3/64 Re-recording, i.e. transcribing information from one grooved record carrier on to one or more similar or dissimilar record carriers
• G11B 3/66 Erasing information, e.g. for reuse of record carrier
• G11B 3/68 Record carriers