Optical pickup device

Details Optical pickup device Optical pickup device

2006-02-07

2006-02-07

Goma, Tawfik A. (Department: 2653)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

Reexamination Certificate

active

06996035

ABSTRACT:
A laser driving integrated circuit (8) to drive a laser element is mounted in an optical housing, and a wiring pattern of an actuator line (6) for supplying an actuator (1) with drive signals to drive the actuator (1) through a relay circuit board and a wiring pattern of a laser drive line (5) for supplying drive signals from the laser driving integrated circuit (8) to the laser element are formed on the same flexible wiring board (4), and, when the flexible wiring board (4) is folded, a shielding part (7) connected to the ground line is arranged to intervene between the overlapping wiring patterns of the actuator line (6) and the laser drive line (5) of the flexible wiring board (4).

REFERENCES:
patent: 5528403 (1996-06-01), Kawaguchi et al.
patent: 5559571 (1996-09-01), Miyamoto et al.
patent: 6831882 (2004-12-01), Takashima et al.
patent: 2001/0028621 (2001-10-01), Moriyama

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