Bilderzeugungsgerät

Details

Veröffentlichungs-Nr.

EP4808104

Anmeldetag

3. März 2026

Veröffentlichung

16. September 2026

Rechtsraum

EP

IPC

H04N1/028, H04N1/60

Abstract

In an image forming apparatus (1), a light source (52) emits light having a first spectrum (blue light) and light having a second spectrum, and a controller (10) determines, as a ratio between an amount of reflected light of the blue light from a calibration original document prepared for calibrating the light having the second spectrum and a calibration reference value as a reference of the amount of reflected light, a correction value for calibration of an amount of the light having the blue light, and corrects the correction value by multiplying the calibration reference value by a sum of: a value of a Z reference value, i.e., a reference of a Z value in an XYZ color system based on the amount of reflected light of the blue light, divided by the Z value; and a weight according to a value of the Z value subtracted from the Z reference value.

Anmelder

Firma

KYOCERA Document Solutions Inc.

Land

🇯🇵 Japan

Fachgebiete