FREQUENCY-KEYED SIGNAL RECEIVER Russian patent published in 1994 - IPC

Abstract RU 2018206 C1

FIELD: telegraph and other data transmitting systems working at no carrier frequency. SUBSTANCE: receiver has band filters 1, 2, quadrature detectors 3, 4, subtracter 5, clock synchronization unit 6, decoders 7, 10, digital commutator 8, clock frequency divider 9, analysis unit 11. EFFECT: improved design. 3 dwg

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RU 2 018 206 C1

Authors

Zelenevskij V.V.

Nikolaev A.V.

Dates

1994-08-15—Published

1989-12-22—Filed