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    • 12. 发明授权
    • Recording medium feed mechanism for a printer and method of medium feed
control
    • 用于打印机的记录介质进给机构和介质进给控制方法
    • US5328281A
    • 1994-07-12
    • US947229
    • 1992-09-18
    • Hiroshi NaritaNaoki AsaiYoshikazu Itoh
    • Hiroshi NaritaNaoki AsaiYoshikazu Itoh
    • B41J11/48B41J23/02
    • B41J23/025B41J11/48
    • A recording medium feed mechanism for a printer includes first, second and third transport sections in the printer along a medium pathway wherein the first transport section is disposed at the insertion point of the recording medium into the printer, the second transport section is disposed immediately before the printer section relative to the direction of transport of the recording medium and the third transport section is disposed immediately after the printer section relative to the direction of transport of the recording medium. A single drive source is adapted for driving in common drive rollers at all three transport sections. First, second and third opening/closing mechanisms are incorporated respectively at the first, second and third transport sections to provide closure and medium engagement and its transport when the medium is present at a particular transport section and to provide its opening when the medium is not present or no longer present at a particular transport section. A method of control is provided for determining when a recording medium is present or absent from a particular transport section utilizing a recording medium stop member and detector in the medium pathway from which the location of the leading or trailing edges of the recording medium can be ascertained. Enhancement in accurate control is achieved in medium transport permitting the extension of data printing in medium margins adjacent the leading and trailing edges of the medium.
    • 用于打印机的记录介质进给机构包括沿着介质路径的打印机中的第一,第二和第三传送部分,其中第一传送部分设置在记录介质的插入点处于打印机中,第二传送部分紧接在之前 打印机部分相对于记录介质的传送方向和第三传送部分设置在打印机部分之后相对于记录介质的传送方向。 单个驱动源适于在所有三个运输部分的普通驱动辊中驱动。 首先,第二和第三打开/关闭机构分别结合在第一,第二和第三输送部分以提供关闭和介质接合以及当介质存在于特定运输部分时的运输,并且当介质不在 存在或不再存在于特定运输部分。 提供了一种控制方法,用于确定何时记录介质存在于或不存在于使用介质路径中的记录介质停止构件和检测器的特定传送区段中,可以确定记录介质的前缘或后缘的位置 。 在中等传输中实现精确控制的增强,允许在介质的前缘和后缘附近的中等边缘扩展数据打印。
    • 15. 发明授权
    • Simplex/duplex image forming apparatus with document memory
    • 具有文件存储器的单面/双面成像装置
    • US5731879A
    • 1998-03-24
    • US628939
    • 1996-04-08
    • Yoshio ManiwaIkuo OkumuraYoshikazu Itoh
    • Yoshio ManiwaIkuo OkumuraYoshikazu Itoh
    • G03G21/00G03G15/00H04N1/00H04N1/32H04N1/21
    • H04N1/00578H04N1/00572H04N1/0058H04N1/00657H04N1/32363H04N1/3248H04N2201/3288
    • When an image is formed on one surface of each sheet of printing paper, the controller provides controls so that image data for all pages is stored in the HDD, and the image data stored in the HDD is successively converted to actual images from the final page by the drum with the printed sheets discharged onto the discharged paper tray. When image are formed on duplex surfaces of each sheet of printing paper, the controller provides controls so that image data for only odd number pages is stored in the HDD, image data for odd number pages is successively converted by the drum to actual images in the regular order with the printed sheets stacked on the duplex tray, and the sheets stacked on the duplex tray are successively fed from the top one to the drum with the image data for odd number pages stored in the HDD converted to actual images by the drum in the reverse page order with the printed sheets discharged onto the discharged paper tray.
    • 当在每张打印纸的一个表面上形成图像时,控制器提供控制,使得所有页面的图像数据被存储在HDD中,并且存储在HDD中的图像数据被连续地从最终页面转换成实际图像 通过滚筒将打印的纸张排出到排出的纸盘上。 当在每张打印纸的双面表面上形成图像时,控制器提供控制,使得只有奇数页的图像数据被存储在HDD中,奇数页的图像数据被滚筒依次转换为实际的图像 正常订购堆叠在双面纸盘上的打印纸,并且堆叠在双面纸盘上的纸张从顶部连续地馈送到滚筒,用于存储在HDD中的奇数页的图像数据通过滚筒转换成实际图像 将打印的纸张排出到排出的纸盘上的反向页面顺序。