Spin rate timing system

Boots – shoes – and leggings

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244169, 244171, G06F 1520, B64G 120

Patent

active

041617800

ABSTRACT:
Apparatus for use in determining the orientation of a spinning spacecraft d for controlling the attitude motion thereof. In response to commands from an external processor, the apparatus enables a selected thruster at a commanded time delay after a solar-or earth-sensor reference pulse and fires the thruster a commanded number of times. The time difference between various sensor inputs is measured to determine spin rate and other data which is used by the external processor in calculating the firing sequence of the thrusters.

REFERENCES:
patent: 3899928 (1975-08-01), Fraiture
patent: 3944172 (1976-03-01), Becker
patent: 3977633 (1976-08-01), Keigler et al.
patent: 4012018 (1977-03-01), Lorell et al.

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