Light scanning device

Details Light scanning device Light scanning device

1994-05-09

1995-10-24

Dzierzynski, Paul M.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359198, 359212, 359216, 359226, 384226, G02B 2608

Patent

active

054614988

ABSTRACT:
In a preferred mode of a light scanning device, a reflection mirror is designed in an inverted cup-shaped form and has a hexahedral means portion at the outer side thereof and a bearing at the bottom portion thereof. The bearing includes a pivot receiving portion and a damping portion. The pivot is erectly provided on the rotational center axis of the reflection mirror such that it is not rotated. The upper end of the pivot rotatably supports the pivot receiving portion, so that the reflection mirror is rotatably supported by the housing. A motor for rotating the reflection mirror is disposed at the inner side of the reflection mirror. However, other structures are possible that result in a resonance rotating number that is approximately one-third of the operational rotating number.

REFERENCES:
patent: 4512626 (1985-04-01), Kamiya et al.
patent: 5069515 (1991-12-01), Itami et al.
patent: 5173797 (1992-12-01), Zedekar et al.
patent: 5254893 (1993-10-01), Ide

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