Ground station data storage system

Details Ground station data storage system Ground station data storage system

1976-10-21

1979-02-13

Nusbaum, Mark E.

Boots, shoes, and leggings

324186, 235 92T, G04F 1000

Patent

active

041399005

ABSTRACT:
Data relating to the attitude and spin rate of a spacecraft is stored in a data storage system located at an earth station in communication with the spacecraft. Leading and trailing edges of the data, usually in the form of pulses, received from sensors suitably mounted on the spacecraft, address locations in a random access memory (RAM) into which the count accumulated in a counter is written. At the end of each group of pulses, referred to as a frame, data relating to the status of the pulses received from the spacecraft is also loaded into the random access memory. Simultaneously, a computer is signalled that a complete frame of data has been loaded in the random access memory. The computer then generates address and other signals such that the data can be read out of memory and thereby allow the computer to calculate the attitude and spin rate of the spacecraft.

REFERENCES:
patent: 3434115 (1969-03-01), Chomiki
patent: 3656060 (1972-04-01), Bauernfeind et al.
patent: 3699459 (1972-10-01), Watson
patent: 3773038 (1973-11-01), Smith et al.
patent: 3835383 (1974-09-01), Crofford
patent: 3876867 (1975-08-01), Schull et al.
patent: 3889189 (1975-06-01), Lode
patent: 3969616 (1976-07-01), Mimken
patent: 3984662 (1976-10-01), Sorenson

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