G11B3/5854 - CPC Classification

Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor; Cleaning record carriers or styli, e.g. removing shavings or dust or electrostatic charges during transducing operation for record carriers using means not contacting the record carrier

• G11B3/5863 » {connected to the pick-up arm or head} 0
• G11B3/5872 » {connected to a separate arm} 0