Galvanomirror unit

Details Galvanomirror unit Galvanomirror unit

1991-12-17

1993-09-28

Dzierzynski, Paul M.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

359221, 359223, G11B 795

Patent

active

052491730

ABSTRACT:
A galvanomirror unit including a galvanomirror for reflecting a laser beam and a driving mechanism which adjusts the position of the galvanomirror to change the direction of light reflected by the galvanomirror. The driving mechanism includes a torsion spring to which the galvanomirror is secured and which is made of a leaf spring lying in a plane substantially parallel with the direction of gravity when in a free state.

REFERENCES:
patent: 2108815 (1938-02-01), Gille et al.
patent: 2189311 (1940-02-01), Dimmick
patent: 2423285 (1947-07-01), Badmaieff
patent: 3885094 (1975-05-01), Russell
patent: 4268129 (1981-05-01), Araki
patent: 4564757 (1986-01-01), LaBudde et al.
patent: 4589102 (1986-05-01), Volleau et al.
patent: 4607356 (1986-08-01), Bricot et al.
English Abstract to Japanese Patent No. 61-137234.
English Abstract to Japanese Patent No. 62-143236.
English Abstract to Japanese Patent No. 63-160024.
English Abstract to Japanese Patent No. 63-311225.
English Abstract to Japanese Patent No. 60-40029.

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