Optical device

Details Optical device Optical device

1992-03-17

1994-03-22

Dzierzynski, Paul M.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 4411, 369 4414, G11B 700

Patent

active

052971279

ABSTRACT:
One end of each of a plurality of plate springs is fixed to an optical pickup body slidably supported by supporting shafts through sliding bearings, and each of a plurality of bearings is fixed to the other end of each of the plate springs. The bearings are pressed against the supporting shafts by the energizing force of the plate springs, and a force is applied to the optical pickup body by the pressing force of the bearings in a direction opposite to gravity.

REFERENCES:
patent: 4499572 (1985-02-01), Yoshikawa et al.
patent: 4504935 (1985-03-01), Jansen
patent: 4751694 (1988-06-01), Naito et al.
patent: 4942562 (1990-07-01), Suzuki
patent: 5063548 (1991-11-01), Yamashita et al.
patent: 5083302 (1992-01-01), Tsuyuguchi et al.

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