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    • 1. 发明授权
    • System for controlling image formation
    • 用于控制图像形成的系统
    • US4980814A
    • 1990-12-25
    • US244638
    • 1988-09-12
    • Masao HosakaKazutoshi ShimadaYoshitaka Ogino
    • Masao HosakaKazutoshi ShimadaYoshitaka Ogino
    • G05B19/042
    • G05B19/0421G05B2219/2214G05B2219/25197G05B2219/25278G05B2219/25434G05B2219/25449G05B2219/25482
    • A control system suitable for control of an image forming apparatus such as a copying machine having a plurality of objects to be controlled. This system comprises a plurality of control units to individually and independently control those objects to be controlled, a monitor control unit to monitor those control units, and a system bus which is commonly connected to the control units and monitor control unit. The control units time-sharingly and cyclically execute their control operations by time-sharingly occupying the system bus one by one. The monitor control unit operates in parallel with the control units. The control units and monitor control unit are formed on the same semiconductor substrate consisting of, for example, Si or GaAs. The system bus may be a LAN bus or an optical fiber. With this control system, each control unit can execute its own control operation irrespective of an interruption request, so that the processing program procedure is simplified and a reliability of control is also improved.
    • 一种适于控制诸如具有多个待控制物体的复印机的图像形成装置的控制系统。 该系统包括多个控制单元,用于单独和独立地控制要控制的物体,监控控制单元以监视这些控制单元,以及系统总线,该系统总线与控制单元和监视器控制单元相连。 控制单元通过一个一个地分时地共享系统总线来分时地和周期地执行它们的控制操作。 监视器控制单元与控制单元并行操作。 控制单元和监视器控制单元形成在由例如Si或GaAs组成的相同半导体衬底上。 系统总线可以是LAN总线或光纤。 利用该控制系统,每个控制单元可以执行其自身的控制操作,而不管中断请求如何,从而简化了处理程序过程,并且还提高了控制的可靠性。