Invention Grant
US08058970B2 System and methods for automatically moving access barriers initiated by mobile transmitter devices 有权
用于自动移动由移动发射机设备发起的接入障碍的系统和方法

System and methods for automatically moving access barriers initiated by mobile transmitter devices
Abstract:
A discrete add-on control system for a barrier operating system is provided. The control system includes a mobile transmitter, a barrier state transmitter a controller and an indicator. The mobile transmitter automatically and periodically generates a mobile signal. The barrier state transmitter generates a barrier state signal. The controller is connected to the barrier operating system, receives the mobile signal and the barrier state signal, and commands the barrier operating system to move a barrier based upon the mobile signal and the barrier state signal. The indicator indicates a condition of the barrier.
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