Image scanning reading and recording system
    1.
    发明授权
    Image scanning reading and recording system 失效
    图像扫描读取和记录系统

    公开(公告)号:US4930016A

    公开(公告)日:1990-05-29

    申请号:US376186

    申请日:1989-07-06

    摘要: An image scanning reading and recording apparatus delivers an original bearing an image to a reading position, scans the original with a first light beam to read the image to produce image information, processes the image information according to prescribed image recording conditions to produce an image signal, modulates a second light beam with the image signal to produce a halftone dot signal, and applies the halftone dot signal to a photo-sensitive medium to record the image thereon. An original feeding mechanism is coupled to the image scanning reading and recording apparatus. The image scanning reading and recording apparatus includes a control unit connectable to an additional memory for storing image recording conditions for originals stored in the original feeding mechanism. The orginal feeding mechanism successively feeds the originals to the image scanning reading and recording apparatus, and identifies the originals as they are fed. The contol unit selects those of the image recording conditions stored in the additional memory which correspond to the orginal identified by the identifying means and records the image on the photosensitive medium according to the selected image recording conditions.

    摘要翻译: 图像扫描读取和记录装置将具有图像的原稿传送到读取位置,用第一光束扫描原稿以读取图像以产生图像信息,根据规定的图像记录条件处理图像信息以产生图像信号 利用图像信号调制第二光束以产生半色调点信号,并将半色调点信号施加到光敏介质上以在其上记录图像。 原稿馈送机构耦合到图像扫描读取和记录装置。 图像扫描读取和记录装置包括可连接到附加存储器的控制单元,用于存储存储在原稿馈送机构中的原稿的图像记录条件。 原稿进给机构将原稿连续地馈送到图像扫描读取和记录装置,并且在原稿馈送时识别原稿。 轮廓单元选择存储在附加存储器中的对应于由识别装置识别的原件的图像记录条件的那些,并根据所选择的图像记录条件将图像记录在感光介质上。

    Method of forming halftone screen
    2.
    发明授权
    Method of forming halftone screen 失效
    形成半色调网的方法

    公开(公告)号:US4773734A

    公开(公告)日:1988-09-27

    申请号:US14415

    申请日:1987-02-13

    申请人: Masahiro Inoda

    发明人: Masahiro Inoda

    CPC分类号: H04N1/4058 Y10S359/90

    摘要: A halftone dot image is produced by superposing image information produced by scanning an original on a halftone screen composed of a plurality of scanning lines constituted by electrically generated halftone screen signals and arranged side by side in a direction normal to a scanning direction in which the scanning lines extend. Each of dots of the halftone screen is formed with an integral number of scanning lines commensurate with a screen angle of the halftone screen. The halftone screen signals are equalized in level at mutually corresponding areas in the respective dots.

    摘要翻译: 半色调点图像通过将由原稿扫描产生的图像信息叠加在由电产生的半色调网屏信号构成的多条扫描线组成的半色调屏幕上,沿垂直于扫描方向的方向并排布置, 线延伸。 半色调网屏的每个点形成有与半色调屏幕的屏幕角相当的整数个扫描线。 半色调屏幕信号在各个点的相互对应的区域处的电平相等。

    Original table for reading images
    3.
    发明授权
    Original table for reading images 失效
    用于阅读图像的原始表格

    公开(公告)号:US4974098A

    公开(公告)日:1990-11-27

    申请号:US236961

    申请日:1988-08-26

    IPC分类号: H04N1/407

    CPC分类号: H04N1/4076

    摘要: According to this invention, since black regions are provided along the advancing direction on an original plate, the dark-time output levels of the linear sensor would not be affected by dust adhered on the original plate or the presence of trimming lines. Since a calibration region is provided, the circuit system can be calibrated with the maximum and minimum values of the signals from the linear sensor to thereby achieve more precise reading of images.

    摘要翻译: 根据本发明,由于在原版上沿着前进方向设置黑色区域,因此线性传感器的黑暗时间输出水平将不受附着在原版上的灰尘或修剪线的存在的影响。 由于提供了校准区域,所以可以利用来自线性传感器的信号的最大值和最小值校准电路系统,从而实现图像的更精确的读取。