This meant a system that used a blank firing replica gun, and a system to detect blank rounds being fired. Very cool, and the way he went about it includes some interesting electronics.

Owners of particular types of blank firing guns, which have become popular with criminals, have been urged to hand the ...

Blank firing guns are produced for a number of reasons - such as for use in theatre or film, as starting pistols, or at firearms' demonstration events. Instead of firing bullets, they use ...