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    • 4. 发明授权
    • Remote control system transmitting a control pulse sequence through
interlocked electromechanical relays
    • 遥控系统通过互锁机电继电器传输控制脉冲序列
    • US4625205A
    • 1986-11-25
    • US559390
    • 1983-12-08
    • Matthew J. Relis
    • Matthew J. Relis
    • G08C19/18G08C25/00H04Q1/00
    • G08C25/00G08C19/18
    • A remote control system including a central encoder for transmitting a single sequence of control pulses to a plurality of remote decoders, each of which performs a predetermined function when it has received a selected number of pulses. Reliability of the system is enhanced by including in the encoder and all of the decoders a number of electromechanical relays arranged in a special triple redundant configuration, such that no failure in any one relay can cause a decoder to perform its function at an undesired time or can prevent a decoder from properly performing its function at a desired time. In addition, the special use of supplemental relay contacts ensures that no failure of any solid state device in the encoder or decoders can cause a decoder to perform its function at an undesired time.
    • 一种遥控系统,包括用于将多个控制脉冲发送到多个远程解码器的中央编码器,每个遥控解码器在接收到选定数量的脉冲时都执行预定功能。 通过在编码器和所有解码器中包括以特殊三重冗余配置布置的多个机电继电器来增强系统的可靠性,使得任何一个继电器中的故障都不会导致解码器在不期望的时间执行其功能, 可以防止解码器在期望的时间正确地执行其功能。 此外,特别使用补充继电器触点确保编码器或解码器中的任何固态设备的故障都不会导致解码器在不期望的时间内执行其功能。
    • 5. 发明授权
    • Pulse signal transmitter and receiver
    • 脉冲信号发射器和接收器
    • US3845473A
    • 1974-10-29
    • US31297172
    • 1972-12-07
    • MATSUSHITA ELECTRIC IND CO LTD
    • KAWASHIMA K
    • B06B1/02G06F3/023G08C19/18H04Q5/14
    • G08C19/18B06B1/023G06F3/0232
    • A code entered by depressing a key, on a keyboard is converted into a binary code and stored in a memory, and in response to the depression of the key a pulse generator starts oscillation and the output pulses are counted by a counter. When the content in the counter coincides with that in the memory, a comparator gives the coincidence signal in response to which the pulse generator is de-energized. In response to the pulses from the pulse generator, an oscillator starts oscillation at a frequency considerably higher than the repetitive frequency of the pulses for a time interval equal to the pulse duration so that the pulse modulated signal is transmitted. The transmitted signal is received by a receiver in which the pulses contained in the signal are counted and converted into a binary code for storage. A controlled device is controlled in response to the binary code read out.
    • 通过在键盘上按下键输入的代码被转换成二进制代码并存储在存储器中,并且响应于键的按下,脉冲发生器开始振荡,并且通过计数器对输出脉冲进行计数。 当计数器中的内容与存储器中的内容一致时,比较器给出符合信号的脉冲发生器被断电。 响应于来自脉冲发生器的脉冲,振荡器以等于脉冲持续时间的时间间隔显着地高于脉冲的重复频率的频率开始振荡,从而发送脉冲调制信号。 发送的信号由接收机接收,其中包含在信号中的脉冲被计数并转换成用于存储的二进制码。 响应于读出的二进制代码来控制受控设备。