Multiple-beam optical recording apparatus

Details Multiple-beam optical recording apparatus Multiple-beam optical recording apparatus

1997-02-11

1999-10-19

Tran, Thang V.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

359204, 347243, G11B 700, G02B 2608

Patent

active

059700343

ABSTRACT:
A multiple-optical scanner includes an optical source that produces a plurality of optical beams such that the plurality of optical beams cross each other substantially at a location of a rotary polygonal mirror when viewed in a direction of a rotational axis of the rotary polygonal mirror.

REFERENCES:
patent: 4474422 (1984-10-01), Kitamura
patent: 5014075 (1991-05-01), Okino
patent: 5245462 (1993-09-01), Kanci et al.
patent: 5461412 (1995-10-01), Paoli et al.
patent: 5552820 (1996-09-01), Genovese
patent: 5724087 (1998-03-01), Sugano et al.

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