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    • 5. 发明授权
    • Guide wire communication system and method
    • 导线通讯系统及方法
    • US4791570A
    • 1988-12-13
    • US873032
    • 1986-06-11
    • Leigh E. ShermanGary L. WhatcottRichard M. DicksDavid C. Madsen
    • Leigh E. ShermanGary L. WhatcottRichard M. DicksDavid C. Madsen
    • G05D1/02G06F15/48
    • G05D1/0297G05D1/0265
    • A guidance system for guiding a plurality of unmanned vehicles along guide wires. A plurality of data communication circuits are provided which form an extensive network. A traffic control computer composes a coded vehicle instruction for assigning tasks and allocates resources to said unmanned vehicles. The traffic control computer polls the status of each vehicle at varying time intervals and receives a response from said vehicle. The network connecting the computer and the communication circuits prevents reception of data transmissions from more than one vehicle at a time. Other messages are temporarily, stored. Data transmitters generate low frequency, low power signals which have a high data transmission rate. Digital data is converted at the transmitters into cosine waveforms of selected frequencies. The cosine waveforms are transposed into sine waveforms at receivers. Low impedance or high impedance characteristics are imposed upon the guide wires. A low frequency, high gain transmit antenna for each vehicle is prorated.
    • 一种用于沿导丝引导多个无人驾驶车辆的引导系统。 提供形成广泛网络的多个数据通信电路。 交通控制计算机构成用于分配任务的编码车辆指令,并向所述无人车辆分配资源。 交通控制计算机以变化的时间间隔轮询每个车辆的状态并接收来自所述车辆的响应。 连接计算机和通信电路的网络阻止一次从多于一个车辆接收数据传输。 暂时存储其他消息。 数据发射机产生具有高数据传输速率的低频,低功率信号。 发射机将数字数据转换成所选频率的余弦波形。 余弦波形在接收器处转换成正弦波形。 引导线上施加低阻抗或高阻抗特性。 每个车辆的低频,高增益发射天线是按比例分配的。
    • 10. 发明授权
    • Guide wire communication system and method
    • 导线通讯系统及方法
    • US4902948A
    • 1990-02-20
    • US214242
    • 1988-07-01
    • Leigh E. ShermanGary L. WhatcottRichard M. DicksDavid C. Madsen
    • Leigh E. ShermanGary L. WhatcottRichard M. DicksDavid C. Madsen
    • G05D1/02
    • G05D1/0297G05D1/0265
    • A guidance system for guiding a plurality of unmanned vehicles along guide wires. A plurality of data communication circuits are provided which form an extensive network. A traffic control computer composes a coded vehicle instruction for assigning tasks and allocates resources to said unmanned vehicles. The traffic control computer polls the status of each vehicle at varying time intervals and receives a response from said vehicle.The network connecting the computer and the communication circuits prevents reception of data transmissions from more than one vehicle at a time. Other messages are temporarily stored.Data transmitters generate low frequency, low power signals which have a high data transmission rate.Digital data is converted at the transmitters into cosine waveforms of selected frequencies. The cosine waveforms are transposed into sine waveforms at receivers. Low impedance or high impedance characteristics are imposed upon the guide wires.A low frequency, high gain transmit antenna for each vehicle is prorated.
    • 一种用于沿导丝引导多个无人驾驶车辆的引导系统。 提供形成广泛网络的多个数据通信电路。 交通控制计算机构成用于分配任务的编码车辆指令,并向所述无人车辆分配资源。 交通控制计算机以变化的时间间隔轮询每个车辆的状态并接收来自所述车辆的响应。 连接计算机和通信电路的网络阻止一次从多于一个车辆接收数据传输。 暂时存储其他消息。 数据发射机产生具有高数据传输速率的低频,低功率信号。 发射机将数字数据转换成所选频率的余弦波形。 余弦波形在接收器处转换成正弦波形。 引导线上施加低阻抗或高阻抗特性。 每个车辆的低频,高增益发射天线是按比例分配的。