Patent ID: 6116537
Filing Date: 2000-09-12
Classification: F41G

Abstract:
A seeker head for target tracking missiles having an optical seeker de-coupled from the movements of the missile, comprising:(a) a non-rotating platform, which is mounted in the missile for rotation about pitch and yaw axes about an origin, the platform carrying the optical seeker,(b) a missile-fixed torquer assembly for generating torques about mutually orthogonal axes by directly engaging the platform, and(c) an inertial sensor unit mounted on the platform, the signals from the inertial sensor unit being applied to the torquer assembly to de-couple the platform from the movements of the missile, wherein(d) the optical seeker comprises a Cassegrain type optical system, having a concave mirror facing the field of view and a secondary mirror facing the concave mirror, and a detector, the field of view being imaged on the detector through the concave mirror and the secondary mirror, and(e) the inertial sensor unit is mounted on the secondary mirror on the side thereof remote from the concave mirror.