DEVICE TO DETERMINE BULLET HIT COORDINATES Russian patent published in 2009 - IPC F41J5/06 

FIELD: weapons.

SUBSTANCE: invention relates to target complexes, particularly to devices that allow determining the bullet hitting accuracy in shooting by combat and sporting small arms in open and closed shooting galleries. Proposed device comprises a rectangular-frame target with its front and rear covered by rubber screens that make a measuring chamber. Coordinate computation unit and four acoustic transducers are arranged inside aforesaid chamber, connected with amplifiers. Outputs of the latter are connected to coordinate computation unit via time interval measurement unit.

EFFECT: higher accuracy and reliability of coordinate determination irrespective of ambient air temperature and density.

2 dwg