Disk shaped recording reproduction device

Details Disk shaped recording reproduction device Disk shaped recording reproduction device

1988-09-28

1991-01-15

Shoop, Jr., William M.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

248636, 248562, G11B 360

Patent

active

049858840

ABSTRACT:
In conventional disk shaped recording reproduction devices, vibrations have been absorbed by the up and down motion of protruding rods which are supported in a viscous liquid such as a silicon oil. According to this invention, an inexpensive elastic body is used, which is heated by a heater so that, by maintaining the temperature of the elastic body within a certain range, the deterioration of the vibration absorbing characteristics of the elastic body with temperature changes is considerably reduced and the elastic body can be made more compact.

REFERENCES:
patent: 2157158 (1939-05-01), Blessing
patent: 3786288 (1974-01-01), Joannou
patent: 4054291 (1977-10-01), Maeda
patent: 4225142 (1980-09-01), Zolt
patent: 4475184 (1984-10-01), Cooper et al.
patent: 4633973 (1987-01-01), Kitano

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