Optical apparatus and optical system

Details Optical apparatus and optical system Optical apparatus and optical system

1997-07-29

2000-09-19

Sugarman, Scott J.

Optical: systems and elements

Single channel simultaneously to or from plural channels

359611, 359718, G02B 2710, G02B 302

Patent

active

061221058

ABSTRACT:
In an image reading device in which an original is illuminated by a light source, and a reflected beam from the original is imaged on a sensor through a rod lens array, a light-shielding member is arranged between the beam exit surface of the light source and the incident surface of the rod lens array to prevent the beam from the light source from being directly incident on the rod lens array to cause a flare. An image reading device and information processing apparatus in which the image quality is rarely degraded by the flare beam are provided.

REFERENCES:
patent: 3574283 (1971-04-01), Albers
patent: 5504317 (1996-04-01), Takahashi
patent: 5572285 (1996-11-01), Takagi
patent: 5619306 (1997-04-01), Baxter et al.
patent: 5703605 (1997-12-01), Takahashi et al.

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