| 摘要 |
A remote controlled overhead garage door locking mechanism including a power supply, a control box containing a radio-receiver and a reversing polarity module, an actuator, a housing with a sliding bar, a limit switch, a power relay, and the remote radio-transmitter with two (LOCK and UNLOCK) buttons. The mention locking mechanism could be used with any garage door opener and provide comfort of operation by remote control from a distance. When the garage door is locked, the circuitry comprising a limit switch and power relay turns OFF power from the garage door opener to prevent possible damage to the door itself or to the garage door opener mechanism.
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