Playback system for recording disk having flexible, deformable r

Details Playback system for recording disk having flexible, deformable r Playback system for recording disk having flexible, deformable r

1980-02-01

1982-04-27

Phillips, Charles E.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

G11B 2500

Patent

active

043274358

ABSTRACT:
Apparatus for playing out information recorded on a side of a wafer-like rotary data-storage element, which element is deformable into a non-planar body of revolution. The apparatus includes a turntable for receiving and rotating such an element, and, according to the particular embodiment, either a positive or a negative pressurizing system for effecting element deformation on the turntable. Also included is a reading head mounted for tracking along a radial path which parallels the recorded side of an element deformed on the turntable.

REFERENCES:
patent: 3369227 (1968-02-01), Boissevain
patent: 4114183 (1978-09-01), Ganske et al.
patent: 4208683 (1980-06-01), Kleczkowski

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