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    • 3. 发明授权
    • Lateral registration adjusting device for use in a laser beam printer
    • 用于激光束打印机的侧向对位调节装置
    • US4814792A
    • 1989-03-21
    • US173451
    • 1988-03-25
    • Koji YamanobeShigeru YamazakiHidetake Tanaka
    • Koji YamanobeShigeru YamazakiHidetake Tanaka
    • B41J2/44G03G15/22G06K15/12G01D9/42
    • G06K15/1219
    • A lateral registration adjusting device for use in an optical writing system, such as a laser beam printer, is provided. When a sheet of recording paper has arrived at a registration roller which is driven to rotate intermittently in association with the rotation of a photosensitive drum, a discrepancy between the sheet of recording paper and a reference position in the lateral direction transverse to the direction of transportation of the sheet of recording paper is detected. Based on this information of lateral discrepancy, the writing start position for writing an image on the photosensitive drum in a scan line is adjusted such that the lateral discrepancy is absorbed. Thus, when the image is formed on the drum and then transferred onto the sheet of recording paper, there is obtained a predetermined relative positional relationship between the sheet of recording paper and the image in the lateral direction at all times.
    • 提供了一种用于诸如激光束打印机的光学书写系统中的横向配准调整装置。 当一张记录纸已经到达与驱动与感光鼓的旋转间歇地旋转的定位辊时,记录纸张与横向于运输方向的横向方向上的参考位置之间的差异 的记录纸。 基于横向差异的信息,调整用于在扫描线上将感光鼓上的图像​​写入的写入开始位置,使得侧向偏差被吸收。 因此,当图像形成在滚筒上然后转印到记录纸上时,总是在纸张的记录纸和图像之间在所有方向上获得预定的相对位置关系。
    • 5. 发明授权
    • Method and apparatus for adjusting operation time of servosystem
    • 调整伺服系统运行时间的方法和装置
    • US4532463A
    • 1985-07-30
    • US461094
    • 1983-01-26
    • Hidetake Tanaka
    • Hidetake Tanaka
    • H02P23/00G05B5/01
    • H02P23/16
    • A method and apparatus for automatically adjusting an operation time of a servosystem into a predetermined allowable range, either from the outside or from the inside. An average operation time of the servosystem is calculated and then an amount of level shift is calculated from the resulting average operation time. Based on the resulting level shift, the operation time of the servosystem is stepwisely shifted at a given time interval. After the shift, an average operation time of the servosystem is calculated again. This is repeated until the average operation time enters the allowable range.
    • 一种从外部或从内部自动调节伺服系统的操作时间到预定允许范围的方法和装置。 计算伺服系统的平均运行时间,然后根据所得到的平均运行时间计算出电平偏移量。 基于所产生的电平偏移,伺服系统的操作时间以给定的时间间隔逐步偏移。 移位后,再次计算伺服系统的平均运行时间。 直到平均运行时间进入允许范围为止。
    • 7. 发明授权
    • Image system with connection to operational units
    • 连接到操作单元的图像系统
    • US4924320A
    • 1990-05-08
    • US161471
    • 1988-02-26
    • Hidetake TanakaShigeru YamazakiKoji YamanobeHiroaki KotabeYasushi NakazatoMasahiko Banno
    • Hidetake TanakaShigeru YamazakiKoji YamanobeHiroaki KotabeYasushi NakazatoMasahiko Banno
    • G03G21/00G03G15/36G06K15/00G06K15/16H04N1/00H04N1/32
    • H04N1/32561G06K15/00G06K15/16G06K2215/0082G06K2215/0085G06K2215/0088
    • A modular type image forming system includes a laser printer main unit and a plurality of optional units, such as both side processing unit, a large quantity paper feeding unit and a mail box unit, each of which is operatively coupled to said main unit through a commonly usable optical fiber cable through a commonly usable connector. Each unit has its own CPU and serial communications between the CPUs of different units may be carried out through the optical cables. The CPU of the main unit may determine the identity of each of the optional units connected thereto through such communications. The main unit also includes an interface circuit through which the main unit is operatively coupled to each of the optional units. The interface circuit includes a port selector which establishes a connection pattern between the main and optional units in accordance with the identity information of each of the optional units connected. When paper is fed into a transportation path, paper ID is assigned to the paper and retained until the paper is discharged. If the paper is removed from the path without passing a predetermined location, the same image is printed again.
    • 模块化图像形成系统包括激光打印机主单元和多个可选单元,诸如两侧处理单元,大量给纸单元和邮箱单元,每个可选单元通过一个或多个单元可操作地耦合到所述主单元 通常可用的光缆通过通用的连接器。 每个单元都有自己的CPU,不同单元的CPU之间的串行通信可以通过光缆进行。 主单元的CPU可以通过这种通信来确定与其连接的每个可选单元的身份。 主单元还包括接口电路,主单元通过该接口电路可操作地耦合到每个可选单元。 接口电路包括端口选择器,其根据所连接的每个可选单元的身份信息建立主单元和可选单元之间的连接模式。 将纸张送入运输路径时,将纸张ID分配给纸张,并保留到纸张排出。 如果在不通过预定位置的情况下将纸张从路径中取出,则再次打印相同的图像。