Apparatus for recording an image by irradating a plurality of li

Details Apparatus for recording an image by irradating a plurality of li Apparatus for recording an image by irradating a plurality of li

1993-12-09

1996-07-23

Reinhart, Mark J.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

B41J 247

Patent

active

055394442

ABSTRACT:
An aperture plate is disposed between a reduction optical system (imaging optical system) and a light source unit in which a plurality of light source parts each emitting a light beam are arranged in a predetermined arrangement pattern. In the aperture plate, a plurality of apertures are arranged in the same pattern as the arrangement pattern of the light source parts. Light beams from the light source parts are directed toward the reduction optical system through the apertures which face the respective light source parts so that reduction images of the apertures are formed on a photosensitive material. Even if the light source parts are located a little displaced from a predetermined arrangement pattern, images of the apertures will be focused on a photosensitive material. This enables easy adjustment of the locations of the light source parts and recording of a high quality image.

REFERENCES:
patent: 4268871 (1981-05-01), Kawamura
patent: 4743091 (1988-05-01), Gelbart
patent: 4884857 (1989-12-01), Prakash et al.

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