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    • 47. 发明授权
    • Liquid crystal device and image forming apparatus utilizing liquid
crystal device
    • 液晶装置和利用液晶装置的图像形成装置
    • US4907859A
    • 1990-03-13
    • US205685
    • 1988-05-25
    • Yoshihiro TakadaNagao Hosono
    • Yoshihiro TakadaNagao Hosono
    • G02F1/133
    • G02F1/133382
    • An image forming apparatus comprising: a light signal generator which comprises an exposure light source and a light-path switching means capable of interrupting the transmission of light rays at arbitrary portions of the cross-sectional area of the path of the light rays emitted from the light source, and an image-bearing member so disposed as to be illuminated with light signals from said light signal generator, wherein the light signal generator comprises: the light-path switching means which in turn comprises scanning lines, data lines and a ferroelectric liquid crystal material having an operational temperature range in which the ferroelectric liquid crystal material behaves as a ferroelectric liquid crystal and driven by selective application of signals to the scanning lines and the data lines so as to assume either one of light-transmitting state and light-interrupting state, and temperature control means for controlling the temperature of the liquid crystal material within the operational temperature range by means of at least one of heating means and cooling means.
    • 一种图像形成装置,包括:光信号发生器,其包括曝光光源和光路切换装置,所述光信号发生器能够中断在从所述光源发射的光线的路径的横截面积的任意部分处的光线的透射 光源和图像承载部件,其被设置成被来自所述光信号发生器的光信号照明,其中所述光信号发生器包括:光路切换装置,其又包括扫描线,数据线和铁电液体 具有其中铁电液晶材料作为铁电液晶的工作温度范围的晶体材料,并通过选择性地向扫描线和数据线施加信号而驱动,以便呈现透光状态和光中断 状态和用于控制液晶材料的温度的温度控制装置 工作温度范围通过加热装置和冷却装置中的至少一个。
    • 48. 发明授权
    • Color image recording apparatus
    • 彩色图像记录装置
    • US4882621A
    • 1989-11-21
    • US117528
    • 1987-11-06
    • Akio SuzukiYoshihiro Takada
    • Akio SuzukiYoshihiro Takada
    • B41J2/21B41J2/01B41J2/525B41M1/18H04N1/23H04N1/387H04N1/46H04N1/48H04N1/50H04N1/60
    • H04N1/6097B41M1/18H04N1/2307H04N1/2338H04N1/2353H04N1/502H04N1/60
    • A color image recording apparatus which can form by color correction, a high-quality image on a recording material, with which an image is printed on a back surface of a transparent layer thereof and the printed image is observed from the transparent layer side and can protect an image surface or improve image quality. The apparatus comprises input means for inputting color image information; color correcting means for performing color correction of the color image information; converting means for performing mirror image conversion of the color image information; image forming means for performing image formation based on image signals from the color correcting means; and means for changing correcting parameters of the color correcting means and instructing a converting operation by the converting means in correspondence with types of recording materials of the image forming means.
    • 从透明层侧观察可以通过颜色校正形成彩色图像记录装置,在记录材料上形成图像被印刷在其透明层的背面上的高质量图像和打印图像,并且可以 保护图像表面或提高图像质量。 该装置包括用于输入彩色图像信息的输入装置; 颜色校正装置,用于执行彩色图像信息的颜色校正; 转换装置,用于执行彩色图像信息的镜像转换; 图像形成装置,用于基于来自颜色校正装置的图像信号进行图像形成; 以及用于改变色彩校正装置的校正参数并根据图像形成装置的记录材料的类型指示转换装置的转换操作的装置。
    • 50. 发明授权
    • Color image recording apparatus
    • 彩色图像记录装置
    • US4829323A
    • 1989-05-09
    • US87918
    • 1987-08-21
    • Akio SuzukiMasaharu OhkuboYoshihiro Takada
    • Akio SuzukiMasaharu OhkuboYoshihiro Takada
    • B41J2/01B41J2/05B41J2/07B41J2/205B41J2/21H04N1/23
    • B41J2/2107
    • A color image recording apparatus to record a color image by printing coloring agents of different colors comprises: recording heads such as ink jet heads to record coloring agents such as inks of different colors; temperature sensors, provided for the recording heads, for detecting temperatures of the heads; a color correction circuit to perform the color correction of an input color image signal; a drive circuit to drive the heads in response to correction outputs of the color correcting circuit; and a change control circuit to change correction characteristics of the color correcting circuit on the basis of detection outputs of the temperature sensors. The color processes are changed in accordance with a change in temperature of each head. With this apparatus, even if the temperatures of the respective color heads differ, stable color reproducibility can be maintained.
    • 通过印刷不同颜色的着色剂来记录彩色图像的彩色图像记录装置包括:诸如喷墨头的记录头以记录诸如不同颜色的油墨的着色剂; 提供用于记录头的温度传感器,用于检测头部的温度; 颜色校正电路,用于执行输入彩色图像信号的颜色校正; 驱动电路,用于响应于所述颜色校正电路的校正输出而驱动所述磁头; 以及改变控制电路,用于根据温度传感器的检测输出来改变色彩校正电路的校正特性。 颜色处理根据每个头部的温度变化而改变。 利用该装置,即使各个彩色头的温度不同,也可以保持稳定的色彩再现性。