Transducer head vibration dampening

Details Transducer head vibration dampening Transducer head vibration dampening

1978-12-05

1980-08-05

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

248636, G11B 2116, G11B 548

Patent

active

042165059

ABSTRACT:
A metallic mass is placed into frictional engagement with a transducer head structure. Vibrations of such transducer head structure are dampened by relative displacement between the metallic mass and frictionally engaged transducer head structure. Plastic deformation of the metallic mass frictionally engaging the transducer head structure may also be employed to dampen vibrations. The metallic mass may be pressed into frictional engagement with the transducer head structure, and vibrations from the frictionally engaged transducer head structure may be transmitted through the metallic mass to the viscoelastic polymeric layer to set up shearing strains in that layer causing the mass to dampen vibrations of the transducer head structure by lagging oscillation in frictional engagement with that transducer head structure.

REFERENCES:
patent: 3326440 (1967-06-01), Barnes et al.
patent: 4017898 (1977-04-01), Toombs et al.

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