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    • 10. 发明授权
    • System for controlling signal strength in a remote transmitter
    • 用于控制远程发射机信号强度的系统
    • US6127740A
    • 2000-10-03
    • US322839
    • 1999-05-28
    • Timothy S. RoddyPhilip LeMay
    • Timothy S. RoddyPhilip LeMay
    • B60R25/00B60L1/00
    • B60R25/24B60R25/406Y10T307/826Y10T307/937
    • A system for controlling power in a remote signalling device includes an electronic controller, a transmitter portion and a signal conditioning portion. The electronic controller preferably determines the characteristics of the desired transmitted signal and provides information regarding those characteristics to the transmitter portion. The electronic controller also provides a power control signal to the transmitter portion. The controller determines the characteristics of the power control signal depending on the characteristics of the desired transmitted signal and other preselected factors. The power control signal preferably is processed by the signal conditioning portion so that it provides the desired voltage to the transmitter portion. The power control signal regulates the signal strength from the transmitter portion so that more consistent and effective communications are provided to accommodate a variety of transmitted signals and varying operating conditions over the life of the remote signalling device.
    • 用于控制远程信号装置中的电力的系统包括电子控制器,发射器部分和信号调节部分。 电子控制器优选地确定期望的发射信号的特性,并向发射机部分提供关于这些特征的信息。 电子控制器还向发射机部分提供功率控制信号。 控制器根据期望的发送信号的特性和其他预先选择的因素确定功率控制信号的特性。 功率控制信号优选地由信号调节部分处理,使得其向发射器部分提供期望的电压。 功率控制信号调节来自发射器部分的信号强度,使得提供更一致和有效的通信以在远程信号装置的寿命期间适应各种发射信号和变化的操作条件。