Analog apparatus for determining the attitude errors of a three-

Details Analog apparatus for determining the attitude errors of a three- Analog apparatus for determining the attitude errors of a three-

1976-05-17

1978-04-11

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

356141, G01V 120

Patent

active

040840875

ABSTRACT:
An apparatus to be used with a horizon sensor comprising an oscillating mirror and a plurality of bolometers on board a three-axis stabilized satellite. Means are provided to derive signals from the radiance signals produced by the bolometers and other means use said derived signals to sample the deviation signal representing the direction deviation of the optical axis of said mirror in order to produce the attitude error signals.

REFERENCES:
patent: 3230376 (1966-01-01), Goetze et al.
patent: 3535521 (1970-10-01), Levine
patent: 3591292 (1971-07-01), Feuchter et al.
patent: 3657547 (1972-04-01), Mansfield

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