Self-powered horizon crossing indicator

Details Self-powered horizon crossing indicator Self-powered horizon crossing indicator

1995-09-28

1998-07-07

Grant, William

Aeronautics and astronautics

Spacecraft

With special crew accommodations

244158R, 73178R, B64G 136

Patent

active

057756465

ABSTRACT:
The apparatus is an earth horizon crossing indicator used in a spacecraft attitude control system, which uses power from a self-contained battery rather than power from the spacecraft electrical system. The battery is typically of the lithium thionyl chloride type. This reduces the weight and complexity of the spacecraft attitude control system and allows the resources of the spacecraft electrical system to be used for other devices.

REFERENCES:
patent: 3337160 (1967-08-01), Eckermann, Jr.
patent: 5079419 (1992-01-01), Falbel
patent: 5152482 (1992-10-01), Perkins et al.
patent: 5452869 (1995-09-01), Basuthankur et al.

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