20090271144 | DETECTION UNIT PROTECTED AGAINST DETACHMENT AND/OR FORCED ENTRY AND SYSTEM THAT COMPRISES AT LEAST ONE SUCH UNIT - A detection unit integrates at least one motion detector, a presence detector, a camera, or a combination of at least two such devices, in particular as a component of a security, alarm and/or surveillance system, whereby the functional elements of the unit are housed in a housing that is attached to a wall, a pole, a roof or the like, via an attachment accessory, in particular of the articulated arm type or the like. The unit also includes an element ( | 10-29-2009 |