Photograph treater

A technology for processing devices and photos, applied in the directions of printing devices, printing equipment, optics, etc., which can solve the problems of image quality deterioration and inability to change laser intensity, etc.
CN1393735AInactive Publication Date: 2003-01-29NORITZ CORP
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NORITZ CORP
Publication Date
2003-01-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

A photographic processing apparatus according to the present invention exposes photographic papers using a laser beam modulated based on image data and includes laser beam emitting device and changeover means for changing over the intensity of the laser beam outputted from the laser beam emitting device in a plurality of levels (for example, three levels consisting of a high level, a middle level and a low level).
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Description

technical field

[0001] The present invention relates to a photo processing apparatus for exposing printing paper by modulating laser light according to image data. Background technique

[0002] In recent years, photograph processing apparatuses employing a so-called digital exposure method have been widely used. Regarding the digital exposure method, the printing paper is exposed by modulating light according to the digital image data. By adopting the digital exposure method, various image processing such as color correction, density correction, and sharpening processing can be performed with a high degree of freedom, and rapid printing and development processing can be performed, thereby achieving reproducibility and analysis in color and density. Good quality prints with good compatibility.

[0003] As one of the above-mentioned digital exposure methods, a scanning exposure method in which a printing paper is exposed by scanning modulated laser light using a polygon mirr...

Claims

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