System for searching for, detecting and tracking flying targets

Details System for searching for, detecting and tracking flying targets System for searching for, detecting and tracking flying targets

1997-09-22

1999-10-12

Jordan, Charles T.

Aeronautics and astronautics

Missile stabilization or trajectory control

Automatic guidance

89 4105, F41G 700, F41G 506

Patent

active

059644320

ABSTRACT:
An infrared seeker head for a missile includes a viewing lens system and a focal plane array on which the visual field of the lens system is focussed. The image acquired by the focal plane array is displayed on a video display unit. Mounted on the missile launch tube in the beam path of the seeker head viewing lens system is a wide angle lens, which can be retracted to remove it from the seeker head beam path. The wide angle lens enables the gunner to view a large visual field initially. Then, when a "suspicious" object is detected, it can be removed to allow a positive identification of the type of target. A pair of rotating optical wedges are disposed in the beam path of the seeker head, so that its relatively smaller visual field can be diverted to compensate for maneuvering of the target.

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