Patent ID: 8907792

Claim:
A theft protection device ( 108 , 110 ) for the detection of unauthorized intrusion or entrance into a protected area ( 104 ) surrounded by a physical barrier ( 102 ), which has at least one access area ( 106 ) and is physically surmountable from outside the access area ( 106 ) by reaching over or jumping over, wherein the device ( 108 , 110 ) comprises: a laser scanner ( 108 ) which is arranged and oriented such that a surveillance plane ( 114 ) of the laser scanner detects reaching over or jumping over the barrier ( 102 ) to then output a theft signal, wherein the laser scanner ( 108 ) is adapted to configure partial areas of the surveillance plane ( 114 ) into which intrusions are permitted or not permitted, characterized by an authorization device ( 110 ) for the access area ( 106 ) which is configured to activate or deactivate the laser scanner ( 108 ) based upon whether an authorized passage through the access area ( 106 ) has occurred.