Method and arrangement of equipment for the protection of buildings and people from acts of violence

Claim 1

Arrangement for the detection of armed persons seeking entry in buildings, for identifying the nature of the weapon and the individual, and for detaining the potential perpetrator of violence by surprise by a security staff, giving no opportunity for resistance, said arrangement comprising the combination of the following apparatus: (a) an entrance region to the building including an entrance at one end, an exit at the other end, and an entrance hall therebetween; (b) means for guiding the persons and cause them to pass singly through the entrance region (11), the entrance region is shaped and equipped with channeling walls, passages, items of furniture (23) and railings; (c) at least one metal detector (1) near the entrance to detect metal objects that are brought in; (d) at least one X-ray generator (2) with sensor (3) to identify and evaluate metal objects; (e) at least one monitor (10) to analyze X-ray images from said X-ray generator; (f) at least one gas-jet or spray device (7) with an infrared light beam (26) as a triggering device to label a suspect person; (g) means for detaining single individuals at the end of the entrance hall including, a revolving door (4); (h) at least one sensor (9) in the region of passage through the revolving door, with a pulse generator to detect the gas-jet or spray marking; (i) pulse-controlled means (21) for locking and unlocking the revolving door position: (j) a hatch (6) in the region of the revolving door; and (k) a loudspeaker/microphone means mounted in the region of the revolving door.