G11B3/12 - CPC Classification

Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor; Arrangements of heads; Arranging, supporting, or driving of heads or of transducers relatively to record carriers Supporting in balanced, counterbalanced or loaded operative position during transducing , e.g. loading in direction of traverse

• G11B3/121 » {By using mechanical means not provided for in , , e.g. using cams} 2
• G11B3/125 » {by using electric or magnetic means} 2
• G11B3/14 » by using effects of gravity or inertia, e.g. counterweight 0
• G11B3/20 » by elastic means, e.g. spring 1
• G11B3/28 » providing transverse bias parallel to record 0

Recent Application in this class: