Information recording system

Details Information recording system Information recording system

1982-06-02

1985-06-25

Richardson, Robert L.

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

G11B 700

Patent

active

045258244

ABSTRACT:
Disclosed is an information recording system having a recording light beam passing through a focus lens, and a focus servo mechanism for adjusting the position of the focus lens, characterized by the provision of a bias beam of a weak intensity for producing a continuous control signal for the focus servo mechanism.

REFERENCES:
patent: 3969576 (1976-07-01), Boonstra et al.

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