TREA

using magnetic means

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Industry

  • CPC
  • G11B3/091
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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

G11B3/091using magnetic means
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Tone arm system for record turntable
    • Patent number 4,127,274
    • Issue date Nov 28, 1978
    • Joseph W. Griffith
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Pickup arm lifting device
    • Patent number 4,062,548
    • Issue date Dec 13, 1977
    • Matsushita Electric Industrial Co., Ltd.
    • Akira Kagata
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents