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    • 6. 发明授权
    • Image forming method
    • 图像形成方法
    • US4605972A
    • 1986-08-12
    • US646911
    • 1984-08-31
    • Isamu Hatanaka
    • Isamu Hatanaka
    • G06K15/12H04N1/036H04N1/40H04N1/50H04N1/23G01D15/14G02F1/13
    • G06K15/129G06K15/1252H04N1/036H04N1/40031H04N1/504
    • In a method for forming an image, a liquid crystal shutter array or matrix is positioned between a photosensitive material and a light source, and light emitted by the light source to the photosensitive material is controlled by driving each liquid crystal shutter portion constituting a picture element of the liquid crystal shutter array or matrix. Drive of the liquid crystal shutter portion is controlled by using the driving pulses having a pulse width shorter than the response time of the liquid crystal and by changing the pulse width or the number of the driving pulses in accordance with an image signal. The photosensitive material is of the type which can express a half tone. When the liquid crystal shutter array or matrix which intercepts light upon application of a voltage is used, the driving pulses are applied prior to exposure to intercept light. Then application of the driving pulses is stopped for a time corresponding to the image signal so that the liquid crystal shutter allows the light to pass therethrough.
    • 在形成图像的方法中,液晶快门阵列或矩阵位于感光材料和光源之间,并且通过驱动构成图像元素的每个液晶快门部分来控制由光源发射到感光材料的光 的液晶快门阵列或矩阵。 通过使用具有比液晶的响应时间短的脉冲宽度的驱动脉冲并根据图像信号改变脉冲宽度或驱动脉冲数来控制液晶快门部分的驱动。 感光材料是可以表达半色调的类型。 当使用在施加电压时截取光的液晶快门阵列或矩阵,在曝光之前施加驱动脉冲以截取光。 然后施加驱动脉冲停止与图像信号相对应的时间,使得液晶快门允许光通过。
    • 8. 发明授权
    • Printing system with liquid crystal shutter matrix panel
    • 带液晶快门矩阵面板的打印系统
    • US5050001A
    • 1991-09-17
    • US549038
    • 1990-07-06
    • Isamu HatanakaMasaaki Takimoto
    • Isamu HatanakaMasaaki Takimoto
    • B41J2/465H04N1/036H04N1/195
    • B41J2/465H04N1/036H04N1/195H04N2201/0426
    • A printing system includes a liquid crystal shutter matrix panel, a light source for illuminating the liquid crystal shutter matrix panel from its back, and a photosensitive medium disposed in confronting relation to the illuminating means with the liquid crystal shutter matrix panel interposed therebetween. A positioning unit positions the liquid crystal shutter matrix panel and the photosensitive medium longitudinally and transversely with respect to each other. An image data generator generates image data from a desired image. The shutter of the liquid crystal shutter matrix panel is driven by a liquid crystal driver on the basis of the image data generated by the image data generator. An image formed by the liquid crystal shutter matrix panel is focused onto the photosensitive medium by a focusing optical system, thereby reproducing the image on the photosensitive medium.
    • 打印系统包括液晶快门矩阵面板,用于从其背面照亮液晶快门矩阵面板的光源以及与液晶快门矩阵面板插入的与照明装置相对设置的感光介质。 定位单元相对于彼此纵向和横向地定位液晶快门矩阵面板和感光介质。 图像数据生成器从期望的图像生成图像数据。 基于由图像数据生成器生成的图像数据,液晶快门矩阵面板的快门由液晶驱动器驱动。 由液晶快门矩阵面板形成的图像通过聚焦光学系统聚焦在感光介质上,从而在感光介质上再现图像。