Multiplexed-demultiplexed synchro demodulation apparatus

Details Multiplexed-demultiplexed synchro demodulation apparatus Multiplexed-demultiplexed synchro demodulation apparatus

1980-02-01

1982-05-04

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

318654, 364816, G08C 1100

Patent

active

043284833

ABSTRACT:
The outputs of a three-wire synchro are applied to a multiplexer which provides the multiplexed synchro outputs to an amplifier and demodulator. The demodulated synchro outputs are applied to a demultiplexer whose outputs are filtered to provide demodulated d.c. voltages corresponding to the synchro output signals. The demodulated d.c. voltages are applied to a conversion circuit for providing the sine and cosine of the angular position of the three-wire synchro device. The multiplexer, demultiplexer and demodulator are synchronized by the synchro a.c. reference signal.

REFERENCES:
patent: 3848172 (1974-11-01), Thomas

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