Method and apparatus for powering a security device
作者： Lee H. Eckert , Lawrence R. Yeager , Gary Mark Shafer
DOI:
关键词:
摘要: A security apparatus and method for protecting merchandise items is presented. In the preferred embodiment, a device includes housing with an access door that has open position closed position, primary power source, secondary source alarm system. The system determines when voltage of drops below threshold value. When value, switches to its power. in standby mode, it will not generate alarms operating on source. However, been placed into position.
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