Image forming device

Details Image forming device Image forming device

2007-07-10

2007-07-10

Tran, Huan (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

C347S245000

Reexamination Certificate

active

11008286

ABSTRACT:
An image forming device equipped with a light scanning device having a polygon mirror that deflects laser light by rotating, a focusing element for focusing deflected laser light onto a photosensitive body, and a reflection mirror reflecting and guiding to the photosensitive body the laser light which passes through the focusing element, given that a distance L between an end surface of the focusing element and the reflection mirror is 8 mm≦L≦25 mm, and an angle Θ formed by incident light and reflected light of the reflection mirror is 25°≦Θ≦45°, the focusing element, the reflection mirror, and the photosensitive body are disposed such that a relationship between L and Θ satisfies 8 mm ≦LtanΘ≦12 mm is provided.

REFERENCES:
patent: 5231458 (1993-07-01), Nishimura
patent: 6570696 (2003-05-01), Ori
patent: 6862032 (2005-03-01), Haginoya et al.
patent: 2004/0183884 (2004-09-01), Haginoya et al.
patent: 8-2000 (1996-01-01), None
patent: 08-006321 (1996-12-01), None
patent: 2004-109335 (2004-04-01), None

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