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G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
G11B3/02—Arrangements of heads
G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
G11B3/12—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse
G11B3/20—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by elastic means, e.g. spring
FR343992D1903-09-261904-06-15
Improvements to recording and reproducing devices applicable to phonographs
ExpiredFR343992A
(en)