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    Multiple pitch carriage line spacing
    2.
    发明授权
    Multiple pitch carriage line spacing 失效
    多点移动运输线间距

    公开(公告)号：US3643039A

    公开(公告)日：1972-02-15

    申请号：US3643039D

    申请日：1968-09-19

    Applicant: IBM

    Inventor： BARCOMB JAMES G ,  KOZOL EUGENE T

    IPC: B41J11/42 ,  G06K15/16 ,  B41J15/00

    CPC classification number: B41J11/42 ,  G06K15/16 ,  Y10S400/902

    Abstract: A printer carriage is operated to space a document by using a counter which may be set by program command to any count from a single increment which is a submultiple of a line space to a maximum count of the total number of increments for a full page. The counter is operated to subtract in response to each step advance by the carriage motor until a predetermined count is reached at which a stopping sequence is initiated to stop the carriage at the desired number of increments.

    Abstract translation: 操作打印机托架以通过使用可以由程序命令设置的计数器来放置文档，该计数器从作为行空格的多个单个增量的任何计数到全页的总增量的最大计数。 操作计数器以响应于滑架电机的每个步进提前减去，直到达到预定的计数，在该预定计数下启动停止序列以以期望的增量数停止滑架。

    Random firing of multiple width print hammers
    3.
    发明授权
    Random firing of multiple width print hammers 失效
    随机点阵多幅打印锤

    公开(公告)号：US3921517A

    公开(公告)日：1975-11-25

    申请号：US48171874

    申请日：1974-06-21

    Applicant: IBM

    Inventor： BARCOMB JAMES G ,  CONANT ROBERT K

    IPC: G06K15/00 ,  B41J9/12 ,  B41J9/14

    CPC classification number: B41J9/14 ,  B41J9/12

    Abstract: In a printer using print hammers covering two adjacent print positions, random firing of the print hammers is made possible by using additional storage means for storing three bits for each print position. When a print hammer is fired for one of a pair of associated print positions, a bit is loaded into the storage for the other of the associated print positions and the bit count is advanced each time the hammer is optioned to fire for the associated print position. When the bit count reaches 0 0 0 the print hammer may be fired again. For an intermediate count firing of the print hammer is inhibited.

    Abstract translation: 在使用覆盖两个相邻打印位置的打印锤的打印机中，通过使用用于存储每个打印位置的三位的附加存储装置，使得打印锤的随机点火成为可能。 当针对一对相关联的打印位置中的一个打印打印锤时，对于相关联的打印位置中的另一个打印位置将一个位加载到存储器中，并且每当锤被选择为相关联的打印位置发射时，位计数被提升 。 当位计数达到0 0 0时，打印锤可能会再次点火。 对于打印锤的中间计数点火被禁止。

    Hammer driver timing from a print buffer ring
    5.
    发明授权
    Hammer driver timing from a print buffer ring 失效
    来自打印缓冲环的HAMMER驱动时序

    公开(公告)号：US3602138A

    公开(公告)日：1971-08-31

    申请号：US3602138D

    申请日：1969-12-30

    Applicant: IBM

    Inventor： BARCOMB JAMES G

    IPC: B41J7/36 ,  B41J9/14 ,  G06K15/06 ,  B41J9/00 ,  B41J1/20 ,  G06F7/00

    CPC classification number: B41J9/14

    Abstract: There is disclosed timing logic which is useful in high speed chain printer apparatus. The function of the logic is to time the print hammers accurately to any pulse duration that is needed regardless of the print scan timing. In the version specifically described, the logic times the hammer pulse to 2.5 print scans by modifying the hammer address by one-half of a print scan.

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