TREA

with vibrating mechanical coupling means between pick-up element and sound producing element

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Industry

  • CPC
  • G11B3/001
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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B3/00Recording by mechanical cutting, deforming or pressing

Current Industry

G11B3/001with vibrating mechanical coupling means between pick-up element and sound producing element
Industries