Internal reference for stellar tracker

Details Internal reference for stellar tracker Internal reference for stellar tracker

1977-12-05

1980-02-05

Mullins, James B.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

356152, G01B 1126

Patent

active

041874226

ABSTRACT:
A self-calibrating star tracker in which a light signal source located on the detector is reflected into the optics and redirected from the optics back onto the detector. In this manner, movement of the detector or optics from a known position can be sensed and calibration of the instrument can be conducted at any time (i.e., pre-flight or during the mission). The star tracker is contemplated to be used with an inertial guidance system and comprises a detector and optics.

REFERENCES:
patent: 3349664 (1967-10-01), Kohlenberger
patent: 3990796 (1976-11-01), Foltz, Jr.

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