Optics: measuring and testing – Angle measuring or angular axial alignment – With photodetection remote from measured angle
Patent
1989-03-03
1990-07-31
Jordan, Charles T.
Optics: measuring and testing
Angle measuring or angular axial alignment
With photodetection remote from measured angle
2502036, 2502062, 356141, 364455, B64G 136
Patent
active
049445871
ABSTRACT:
A star sensor compares predetermined star information stored in a memory and actual star information corresponding to star image signals from an imaging device. A processing device generates an attitude signal corresponding to the attitude of a base with respect to the star when the predetermined and the actual star information substantially coincide. A correcting device corrects the predetermined star information when the predetermined star information and the actual star information are not substantially the same.
REFERENCES:
patent: 3263088 (1966-07-01), Goldfischer
patent: 3992106 (1976-11-01), Auerbach
patent: 4084087 (1978-04-01), Mehwald
patent: 4306691 (1981-12-01), Boxenhorn et al.
patent: 4617634 (1986-10-01), Izumida et al.
patent: 4621329 (1986-11-01), Jacob
patent: 4746976 (1988-05-01), Kamel et al.
IAF-84-375, "Autonomous GPS-INS-STAR Integrated Navigation System Concept for Maneuvering Spacecraft", T. Tanabe, M. Harigae and H. Koyama, Univ. of Tokyo, Oct. 7-13, 1984.
Jordan Charles T.
Kabushiki Kaisha Toshiba
Wendtland Richard W.
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