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热词
    • 3. 发明授权
    • Method of and apparatus for all busy detection
    • 所有繁忙检测的方法和装置
    • US3949176A
    • 1976-04-06
    • US437679
    • 1974-01-29
    • Yoshiro HayashiTakeaki YamagataAkio OtaniTadashi MinamiKuniomi Aizawa
    • Yoshiro HayashiTakeaki YamagataAkio OtaniTadashi MinamiKuniomi Aizawa
    • H04M3/22H04Q3/00
    • H04Q3/00
    • A method of and an apparatus for detecting the all make busy state of a line concentrator or an exchange in which all outgoing circuits are divided into a plurality of groups, at least one circuit is specified from each of the groups, the specified circuits are successively scanned with a scanning signal producing therefrom a plurality of phase pulse signals having phase ranges resulting from dividing phase ranges by at least the number of the specified circuits of the groups corresponding to the latter phase ranges which are one period of the scanning signal divided by the number of the groups, the busy state of the specified circuit of a group is detected to decide the busy state of the group, and the busy states of all groups at one cycle of the scanning are detected to detect the all make busy state of the line concentrator or the exchange.
    • 一种用于检测线路集线器或交换机的所有繁忙状态的方法和装置,其中所有输出电路被分成多个组,至少一个电路从每个组指定,所指定的电路依次 用扫描信号扫描多个相位脉冲信号,所述相位脉冲信号具有相位范围,所述相位范围是由相位范围除以至少相应于作为扫描信号的一个周期的后一个相位范围的组的指定电路的数量 检测组的指定电路的忙碌状态,确定组的忙碌状态,检测到扫描的一个周期的所有组的忙碌状态,以检测所有组的忙碌状态 线路集线器或交换机。