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    • 2. 发明授权
    • Video apparatus for generating a conductively isolated control signal
    • 用于产生导电隔离控制信号的视频装置
    • US4680511A
    • 1987-07-14
    • US845689
    • 1986-03-28
    • William V. FitzgeraldRonald E. FernslerKevin E. Nortrup
    • William V. FitzgeraldRonald E. FernslerKevin E. Nortrup
    • H02M3/28H02M3/335H04N3/18H04N5/63H01J29/70
    • H04N5/63H02M3/33523H02M2001/0032Y02B70/16
    • An input signal for controlling a television power supply has "power-on" and "power-off" signal states. When the input signal is in the "power-on" state, it couples a clock signal to a primary winding of a transformer causing an alternating current voltage that is conductively isolated from the input signal to be developed across a secondary winding of the transformer. When the input signal is in the "power-off" state, it decouples the clock signal from the primary winding so that no alternating current voltage is developed across the secondary winding. The signal across the secondary winding is demodulated in a demodulator that produces a control signal that is conductively isolated from the input signal. The control signal is coupled to a regulator of the power supply. A power-on state of the control signal occurs when the alternating current voltage is developed at the secondary winding terminal. A power-off state of the control signal occurs when the alternating current voltage is absent.
    • 用于控制电视电源的输入信号具有“上电”和“断电”信号状态。 当输入信号处于“上电”状态时,它将时钟信号耦合到变压器的初级绕组,导致与输入信号导电隔离的交流电压,以跨变压器的次级绕组开发。 当输入信号处于“断电”状态时,它会将时钟信号与初级绕组分离,从而在次级绕组之间不产生交流电压。 次级绕组中的信号在解调器中被解调,该解调器产生与输入信号导电隔离的控制信号。 控制信号耦合到电源的调节器。 当在次级绕组端子处产生交流电压时,发生控制信号的通电状态。 当不存在交流电压时,发生控制信号的断电状态。
    • 7. 发明授权
    • Self-enabling data-collision avoidance arrangement using a peak detector
    • 使用峰值检测器进行自启用数据冲突避免布置
    • US5180934A
    • 1993-01-19
    • US705613
    • 1991-05-28
    • Kevin E. Nortrup
    • Kevin E. Nortrup
    • G06F13/376G06F13/14
    • G06F13/14
    • In a system for communicating between multiple signal sources and at least one destination, communications occur via a communications, line shared by the signal sources. The multiple signal sources are coupled to the shared communications line via respective interface circuits. The interface circuits operate to determine which signal source will control the shared communications line. The operation of the interface circuits involves a switching or enabling function responsive to signal activity from one of the signal sources. The switching operation also involves assigning relative priorities to the signal sources. The priortizing feature results from an interaction between the relative impedances of the signal sources and the destination.
    • 在用于在多个信号源和至少一个目的地之间进行通信的系统中,通信通过由信号源共享的通信进行通信。 多个信号源经由相应的接口电路耦合到共享通信线路。 接口电路用于确定哪个信号源将控制共享通信线路。 接口电路的操作涉及响应来自信号源之一的信号活动的切换或使能功能。 切换操作还涉及为信号源分配相对优先级。 优先特征是由信号源和目的地的相对阻抗之间的相互作用产生的。