End-point optical tracker

Details End-point optical tracker End-point optical tracker

1981-11-30

1988-09-27

Buczinski, Stephen C.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

244 313, 244 316, 350 64, 350 69, G01J 120, G01B 1126, F41G 700

Patent

active

047737549

ABSTRACT:
An optical tracker for automatically following a designated end-point of an elongated target, such as the nose of a missile, by orienting the received image to align with a predetermined reference and nutating the image over orthogonal detectors to detect an alignment error between the end-point of the target and the optical axis of the optical system. Orientation alignment errors are corrected by appropriately rotating an image rotating optical element about the optical axis, while the optical axis alignment errors are corrected by responsively redirecting the optical system until detected errors are minimal.

REFERENCES:
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patent: 3428812 (1969-02-01), Burke
patent: 3513315 (1970-05-01), Sundstrom et al.
patent: 3753538 (1973-08-01), Marsh et al.
patent: 3762819 (1973-10-01), Myer
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patent: 3954340 (1976-05-01), Blomqvist et al.
patent: 3956627 (1976-05-01), Kikuchi et al.
patent: 3974383 (1976-08-01), Chapman
patent: 4006356 (1977-02-01), Johnson et al.
patent: 4193688 (1980-03-01), Watkins

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