Electrodynamic focus and radial slide drive for an optical disc

Details Electrodynamic focus and radial slide drive for an optical disc Electrodynamic focus and radial slide drive for an optical disc

1983-04-11

1985-03-12

McElheny, Jr., Donald

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 45, 369220, G11B 700

Patent

active

045049351

ABSTRACT:
An apparatus for recording and/or reading information on an optically readable rotating disc (3) comprises a slide (6)which can be driven in a radial direction in order to move an objective (1) arranged on the slide along the disc. The objective is driven directly in the radial direction by radial drive means (33) which act directly, i.e. not via the bearing means (21, 22), on the objective.

REFERENCES:
patent: 3969574 (1976-07-01), Janssen et al.

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