Patent ID: 6179246
Filing Date: 2001-01-30
Classification: F41G

Abstract:
A seeker head for target tracking missiles, comprising:an image resolving seeker gimbal suspended in a seeker gimbal assembly;means for aligning said image resolving seeker to a target by target deviation signals;inertial sensors;means for defining a inertially stabilized reference coordinate system from signals from said image resolving seeker and from said seeker gimbal assembly, said stabilized reference coordinate system having an axis pointing to said target;means for pointing said stabilized reference coordinate system to predicted target positions, in case of deterioration of a target-tracking function of said seeker, in accordance with line of sight information of said reference coordinate system then present; andmeans for aligning said seeker with said axis of said reference coordinate system, when said deterioration ceases, said signals from said seeker then resuming the tracking function of said seeker again.