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    • 2. 发明授权
    • Electromagnetic switch matrix device
    • 电磁开关矩阵装置
    • US3953813A
    • 1976-04-27
    • US480809
    • 1974-06-19
    • Norio YanoSeiei OkoshiSadayuki MitsuhashiNorio Suzuki
    • Norio YanoSeiei OkoshiSadayuki MitsuhashiNorio Suzuki
    • H04Q3/64H01H63/36H01H67/30H03K17/00H01H67/14
    • H01H63/36
    • An electromagnetic matrix switch device, suitable for use in an automatic exchange or computer, comprising a two-dimensional array of cross-point elements, each of which comprises a magnetically actuated switch adapted to bridge its associated pair of row and column signal lines and a magnetic core positioned in magnetically-coupled relationship to the switch to actuate it in response to a current pulse applied to its associated pair of row and column control lines. Each magnetic core has provided therearound first and second windings connected to its associated row control line and third and fourth windings connected to its associated column control line, the polarity of those windings being such that application of the current pulse to the row and column control lines will cause the first and fourth windings to produce magnetic fields in a direction opposite to those produced by the second and third windings. Provision is made for short-circuiting the second and third windings of each magnetic core simultaneously with the application of the current pulse to a selected pair of the control lines, whereby only the magnetic core located at the intersection of the selected pair of the control lines produces a magnetic field sufficient to actuate its associated switch.
    • 一种适用于自动交换或计算机的电磁矩阵开关装置,包括交叉点元件的二维阵列,每个交叉点元件包括一个磁力驱动的开关,其适于桥接其相关联的行和列信号线对,以及 磁芯定位成与开关的磁耦合关系,以响应于施加到其相关联的行和列控制线对的电流脉冲来致动它。 每个磁芯已经提供了连接到其相关联的行控制线的第一和第二绕组,连接到其相关联的列控制线的第三和第四绕组,那些绕组的极性使得将电流脉冲施加到行和列控制线 将导致第一和第四绕组在与由第二和第三绕组产生的方向相反的方向上产生磁场。 规定了将电流脉冲施加到所选择的一对控制线路的同时使每个磁芯的第二和第三绕组短路,从而只有位于所选择的一对控制线路的交叉处的磁芯 产生足以致动其相关开关的磁场。