Sensor system for preventing the theft of paintings
There is a wide range of expensive security technologies for protecting hanging artworks, such as paintings in historically listed museums, from theft. These high-tech technologies however run into limitations in exhibitions held in very old buildings with thick walls and limited electricity supply in each room, the latter of which is either difficult or impossible to implement. Other technologies have a high false-alarm rate because they react to small movements, such as contact or a draught. The solution here however offers theft protection that is easy to implement for hanging artworks and that has a very low false-alarm rate.
This invention equips the interior of standard artwork hanging systems with a strain gauge and a sensor system. In the event of theft, the strain on the rod changes and triggers an alarm. The simple movement of artworks however does not create a change in the hanger rod and therefore does not sound an alarm.
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