Facsimile communication system and method
    6.
    发明授权
    Facsimile communication system and method 失效
    传真通信系统及方法

    公开(公告)号:US4153916A

    公开(公告)日:1979-05-08

    申请号:US849708

    申请日:1977-11-08

    CPC分类号: H04N1/3333 H04N2201/3335

    摘要: A facsimile communication system and method in which facsimile information from original documents is sequentially transmitted from a transmitter to a remote receiver. The transmitter is utilized for changing the data transfer speed of the facsimile information in accordance with an instruction signal provided by the remote receiver. The remote receiver supervises the error rate level of each unit of facsimile information of the original documents and provides the instruction signal when the error rate level is detected to exceed a reference error rate level.

    摘要翻译: 一种传真通信系统和方法,其中从原始文档的传真信息从发射机顺序发送到远程接收机。 发射机用于根据由远程接收机提供的指示信号来改变传真信息的数据传输速度。 远程接收器监视原始文档的传真信息的每个单元的错误率级别,并且当检测到错误率级别超过参考错误率级别时提供指令信号。

    System for controlling idling rpm by synchronous control of
supplementary air
    8.
    发明授权
    System for controlling idling rpm by synchronous control of supplementary air 失效
    通过辅助空气同步控制来控制怠速转速的系统

    公开(公告)号:US4475505A

    公开(公告)日:1984-10-09

    申请号:US456112

    申请日:1983-01-06

    CPC分类号: F02D31/005 F02D43/00

    摘要: A system adapted to control a control valve for controlling the quantity of supplementary air being supplied to an internal combustion engine, in a feedback manner responsive to a difference between actual engine rpm and desired engine rpm at engine idle. The above control valve is opened in synchronism with a signal indicative of a predetermined rotational position of the engine. The system is also adapted to detect a total quantity of suction air including the supplementary air being supplied to the engine, in synchronism with the above predetermined rotational position signal, to supply a quantity of fuel corresponding to the detected total suction air quantity. Further, the system is adapted to start opening the control valve upon a lapse of such a period of time after each pulse of the predetermined engine rotational position signal has been inputted to the system that a proper value of the total suction air quantity can be detected at the time of inputting of the next pulse of the same signal to the system.

    摘要翻译: 一种适于控制控制阀的系统,其以响应于发动机怠速时的实际发动机转速和期望发动机转速之差的反馈方式来控制供给内燃机的辅助空气量。 上述控制阀与表示发动机的预定旋转位置的信号同步地打开。 该系统还适于与上述预定旋转位置信号同步地检测包括供给发动机的辅助空气的吸入空气的总量,以提供与检测到的总吸入空气量相对应的燃料量。 此外,该系统适于在已经将预定的发动机旋转位置信号的每个脉冲已经输入到系统之后经过这样的一段时间以开始打开控制阀,从而可以检测到总吸入空气量的适当值 在将相同信号的下一个脉冲输入到系统时。