Gun muzzle reference system

F - Mech Eng,Light,Heat,Weapons – 41 – G

Patent

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Details

354/10, 343/12,

F41G 5/00 (2006.01) F41G 1/46 (2006.01) F41G 3/32 (2006.01) F41G 5/24 (2006.01)

Patent

CA 1223652

ABSTRACT OF THE DISCLOSURE The specification describes a muzzle reference system for correcting errors in aiming signals produced by a fire-control system of an artillery gun having a gun muzzle pivotable about a first axis and movable about a second axis extending perpendicularly of the first axis, the muzzle reference system comprising laser beam transmitting means adapted to be mounted on the gun for movement with the barrel about the second axis and directing a laser beam along an optical axis in response to an activating signal; means adapted to be mounted at the distal end of the barrel for reflecting a laser beam received from the transmitting means along the optical axis substantially along a reference optical axis at a predetermined angular position of the barrel about the first axis; laser beam receiving means adapted to be mounted on the gun for receiving a laser beam reflected substantially along the reference optical axis and producing signals representative of the deviation of the reflected beam from the predetermined optical axis; means connected to the receiving means and adapted to be connected to the fire-control system for converting the deviation representative signals to aiming correction signals and for adding the latter to the aiming signals; and means for monitoring the position of the barrel about the first axis and applying the activating signal to the transmitting means when the barrel is at its predetermined position.

427089

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