Patent ID: 6041508
Filing Date: 2000-03-28
Classification: F41G

Abstract:
An apparatus for enabling a user to orient an aiming axis of an aimable device at a desired orientation with respect to a line of sight from the user to a target, the apparatus comprising:(a) an irradiator, adapted to be rigidly mounted on the aimable device and including:(i) a first light source for emitting light of a first color, and(ii) a second light source for emitting light of a second color; and(b) a viewer, operative to move independently of said irradiator when said irradiator is mounted on the aimable device, and including:(i) an eyeport wherethrough the user observes the target, thereby establishing the line of sight,(ii) a viewer axis having a fixed orientation with respect to the line of sight when the user observes the target, the aiming axis having an actual orientation relative to said viewer axis, and(iii) an optical system, including a first input element, for receiving said emitted light of said first color, and a second input element, for receiving said emitted light of said second color, said optical system operative to project onto said eyeport an image, of said emitted light, representative of said actual orientation of the aiming axis relative to said viewer axis.