Actuator

Details Actuator Actuator

2007-12-04

2007-12-04

Tran, Thang V. (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

Reexamination Certificate

active

10493701

ABSTRACT:
An actuator (23) includes six suspension members (61) to (64), (71), and (72) that connect a bobbin (5) for holding a lens holder (2) to a suspension base (8), and an aberration-correcting element (9) mounted on the bobbin (5). One-end portions of the two lower suspension members (71) and (72) are fixed to both sides of the aberration-correcting element (9) between which the optical axis of an objective lens (1) is disposed, and the other-end portions of the suspension members (71) and (72) are fixed to both sides of the suspension base (8) spaced in the X-axis direction. First and second driving signals (S1) and (S2) are supplied to the aberration-correcting element (9) through the suspension members (71) and (72).

REFERENCES:
patent: 2003/0007445 (2003-01-01), Hashimoto et al.
patent: 2001-266394 (2001-09-01), None
patent: 2002-117568 (2002-04-01), None
patent: 2003222780 (2003-08-01), None

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