Electronic anti-theft alarm device esp. for 230V equipment in department stores, includes central control arrangement with intrinsic power supply

摘要

An electronic anti-theft alarm device for 230-V electrical appliance, such as electric drill, uses only the available electrical fittings of the appliance for monitoring the 230-V appliance, and comprises a central control with monitoring electronics, intrinsic power supply, built-in alarm sensor, electrical terminals for the external alarm sensor, specially modified socket outlet rail, and terminator.