Invention Grant
US08285271B1 Wireless telephone interface for remote command of an operator for an automatic gate 失效
无线电话接口,用于远程命令自动门的操作员

Wireless telephone interface for remote command of an operator for an automatic gate
Abstract:
A wireless telephone interface for use with the control operator of an automatic gate system. A device utilized as a telephone extension device where a user can remotely call the device and by entering a code, can wirelessly command the gate operator to initiate a movement of the gate to either an open or closed position. This system is designed as a direct telephone interface without the complexity of a telephone entry system. The key benefit is a programmable hold open time “per command”.
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