Optical recording and reproducing apparatus

Details Optical recording and reproducing apparatus Optical recording and reproducing apparatus

1990-07-02

1992-07-14

Levy, Stuart S.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

369219, 369244, 360104, G11B 1730, G11B 2102

Patent

active

051309726

ABSTRACT:
An optical recording and reproducing apparatus includes a movable portion carrying a movable optical system, a sliding member slidable on a guide shaft, and a rotation limiting device engaged with an auxiliary guide shaft so as to limit the rotation of the sliding member. In order to reduce the friction of the sliding member, the center of gravity of the movable portion is disposed in the vicinity of the axis of the guide shaft. Further, the construction is such that a thrust moment produced by a drive device and acting around the center of gravity of the movable portion is reduced to substantially zero.

REFERENCES:
patent: 4427905 (1984-01-01), Sutton
patent: 4441130 (1984-04-01), Boehm et al.
patent: 4613962 (1986-09-01), Inoue et al.
patent: 4740946 (1988-04-01), Yumura et al.
patent: 4812934 (1989-03-01), Suzuki et al.
patent: 4825432 (1989-04-01), Takahashi
patent: 4862441 (1989-08-01), Yumura et al.

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