Disc reading apparatus with disc shoot journaled in frame

Details Disc reading apparatus with disc shoot journaled in frame Disc reading apparatus with disc shoot journaled in frame

1985-07-08

1987-09-01

McElheny, Jr., Donald

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

G11B 700

Patent

active

046913114

ABSTRACT:
Apparatus for writing and/or reading information in an information surface of a rotating disc by means of a radiation spot (5) includes a one-piece injection-moulded or die-cast frame (11) and a motor unit (57) with a motor shaft (43) which carries a turntable (45) and which is journalled in the frame (11). The device further comprises an optical system with a movable lens system (17), and a lens-system driving device (13) with a movable lens carrier (15).

REFERENCES:
patent: 3912278 (1975-10-01), Teutsch
patent: 4150406 (1979-04-01), Stollorz
patent: 4152728 (1979-05-01), Camerik
patent: 4358803 (1982-11-01), Van Der Giessen
patent: 4389717 (1983-06-01), Camerik
patent: 4545046 (1985-10-01), Jansen et al.

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