Synchro-to-digital converter employing common processing apparat

Details Synchro-to-digital converter employing common processing apparat Synchro-to-digital converter employing common processing apparat

1975-11-04

1977-12-06

Caldwell, Sr., John W.

Communications: electrical

Digital comparator systems

340177R, 340347SY, G08C 1938

Patent

active

040620050

ABSTRACT:
Circuitry monitors a plurality of rotating shafts, and provides a corresponding plurality of binary output words each characterizing the angular position of an associated shaft. Synchro and Scott "T" per-shaft monitoring elements are sampled by common multiplexer-central processor units which provide derived shaft position and shaft rate information to an appropriate one of plural shaft position output processors.
In accordance with varying aspects of the present invention, the output processors include a rate multiplier controlled by the computer generated shaft rate signal, and a counter presetable by the CPU generated position signal, and advanced (decremented) by the rate multiplier output.

REFERENCES:
patent: 2991462 (1961-07-01), Hose
patent: 3023959 (1962-03-01), Rabin et al.
patent: 3273136 (1966-09-01), Steer
patent: 3440644 (1969-04-01), Burgis et al.
patent: 3618073 (1971-11-01), Domchick et al.
patent: 3670324 (1972-06-01), Trevor
patent: 3831170 (1974-08-01), Christensen
patent: 3895365 (1975-07-01), Freed
patent: 3984831 (1976-10-01), Jones et al.

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