Aeronautics and astronautics – Missile stabilization or trajectory control – Automatic guidance
Patent
1996-09-27
1997-10-28
Carone, Michael J.
Aeronautics and astronautics
Missile stabilization or trajectory control
Automatic guidance
250347, F42B 1501, G01J 502
Patent
active
056810091
ABSTRACT:
A seeker device, such as a seeker head, includes a housing for both a first optical assembly and a second optical assembly. In the preferred embodiment, the first optical assembly is an infrared telescope having a fixed, relatively narrow field of view for receiving incoming energy via a first path through an optical opening through the housing. The second optical assembly may be a pivotable mirror that is pivoted to provide a wide field of regard. The incoming energy that impinges the pivotable mirror enters through a second path through the optical opening. The energy from the pivotable mirror is redirected into the infrared telescope. In the preferred embodiment, the redirection is achieved by a dichroic mirror that has a high transmissivity with respect to long wave infrared energy and a high reflectivity with respect to mid wave infrared energy. In an exoatmospheric mode, the long wave infrared energy that passes through the dichroic mirror from the narrow field of view is utilized, while in an endoatmospheric mode mid wave infrared energy from the wide field of regard is utilized.
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Lynch William C.
Vandersteen Anthony D.
Biewlawski W. Mark
Carone Michael J.
Groth Henry J.
Lockheed Missiles and Space Company
McHugh Terry
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