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    • 1. 发明授权
    • Method for controlling data transmissions on a single channel radio
frequency network
    • 用于控制单个信道射频网络上的数据传输的方法
    • US5493722A
    • 1996-02-20
    • US185740
    • 1994-01-24
    • John T. GunnDavid R. Pritchard
    • John T. GunnDavid R. Pritchard
    • H04B7/00H04L12/28G08C17/02
    • H04B7/00H04W24/00H04W74/004H04W74/006
    • A site system for remotely monitoring and controlling portable machines is provided which includes a single channel radio frequency network. At least one portable machine has a microcontroller for controlling operation of the portable machine, a plurality of sensors for supplying machine operational data to the microcontroller, and a radio frequency transceiver unit. The radio frequency transceiver unit communicates with the microcontroller, and with the single channel radio frequency network. At least one host computer has a radio frequency transceiver unit. The host computer communicates with a predetermined portable machine by data transmissions on the single channel radio frequency network. A radio frequency protocol controls radio frequency data transmissions on the single channel radio frequency network.
    • 提供了一种用于远程监测和控制便携式机器的现场系统,其包括单通道射频网络。 至少一个便携式机器具有用于控制便携式机器的操作的微控制器,用于向微控制器提供机器操作数据的多个传感器和射频收发器单元。 射频收发器单元与单片机和单通道射频网络通信。 至少一台主机具有射频收发器单元。 主机通过单通道射频网络上的数据传输与预定的便携机进行通信。 无线电频率协议控制单信道射频网络上的射频数据传输。