Garage door opener security device
作者： Richard R. Horst , Sandra L. Horst
DOI:
关键词:
摘要: A device is provided to prevent unauthorized opening of the garage door by interrupting flow electrical power automatic opener. power-interrupting switch, suspended from a desired overhead location in garage, interposed between source and opener selectively interrupt or complete electricity By flow, deactivated will remain unresponsive possible remote control signal.
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