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    • 7. 发明授权
    • Manhole cover with signal transmitter
    • 带信号发射器的人孔盖
    • US08258977B1
    • 2012-09-04
    • US12276811
    • 2008-11-24
    • Luis Montestruque
    • Luis Montestruque
    • G08B23/00
    • H04Q9/00G01F1/002G01F15/063H01Q1/225H04Q2209/40H04Q2209/88
    • A manhole cover is for use with a system for transmitting data to an above surface receiver. The manhole cover includes a body suitable for covering a manhole. At least a portion of the body is formed from a radio wave penetrable material so that radio waves may pass through the body. A microprocessor is provided for receiving a signal representing at least one environmental parameter inside a manhole enclosure measured by a sensor, and for responding to the signal by directly or indirectly causing a change to a parameter in the enclosure. A transmitting element in communication with the microprocessor transmits the signal to the surface above the manhole cover. Circuitry connects the microprocessor and the transmitting element for driving the transmitting element to transmit the signal. The microprocessor may be programmed to run an energy conservation cycle, which preserves power from the power source. Any one of numerous antenna designs may be embedded in the body of the cover.
    • 人孔盖用于将数据传输到上述表面接收器的系统。 井盖包括适于覆盖人孔的主体。 身体的至少一部分由无线电波穿透材料形成,使得无线电波可以穿过身体。 提供微处理器用于接收表示由传感器测量的人孔外壳内的至少一个环境参数的信号,并且通过直接或间接地引起对外壳中的参数的改变来响应该信号。 与微处理器通信的发射元件将信号发送到人孔盖上方的表面。 电路连接微处理器和发射元件,用于驱动发射元件传输信号。 微处理器可以被编程为运行节能循环,其保持来自电源的功率。 许多天线设计中的任何一个可以嵌入在盖的主体中。