Patent ID: 8184981
Filing Date: 2012-05-22
Classification: A61B,F41A,F41G,F41J,G01S

Abstract:
1. An identification friend or foe system for military firearms and ground targets to determine whether a target that has been selected is a friendly target comprising: an interrogator attached to said firearm and containing IR signal source arranged to radiate encrypted request signals, a RF detection system that receives a RF response signal and a visual alert sign that is activated by said received response signal, a transponder containing IR detection system attached to a friendly target that receives said IR request signal, a RF signal source attached to a friendly target and arranged to radiate said RF response signals, and a sound alert buzzer mounted on said friendly target and activated by said received request signal, wherein the improvement comprises: said interrogator additionally having a RF transmitter, which sends encrypted RF request signal in area to which sightline of said firearm is directed, and a single electronic unit mounted in convenient place of the firearm, which contains transmitting and receiving electronic channels and a microprocessor that controls IR and RF channels of said interrogator, wherein said transmitting and receiving electronic channels are connected to said microprocessor that develops coded request signal, processes input response signals and activates said visual alert sign, said transponder additionally having RF receiver, which receives encrypted RF request signal emitted by said interrogator, and a single electronic unit mounted in convenient place of said friendly target, which contains transmitting and receiving electronic channels and a microprocessor that controls IR and RF channels of said transponder, wherein said transmitting and receiving electronic channels are connected to said microprocessor that develops coded response signal, processes input request signals and activates said sound alert buzzer, wherein the interrogator additionally comprises: