START-STOP MESSAGE RECEIVING DEVICE Russian patent published in 2003 - IPC

FIELD: electric and radio communications. SUBSTANCE: device designed for use in wire, radio, radio-relay, and meteor-burst communication lines incorporating or not backward channel has receiver 1, frequency discriminator 2 incorporating two matched filters 3, 5, two amplitude detectors 4, 6, subtracting unit 7, two nonlinear components 18, 19 with type y = x^k characteristic, where x and y are input and output signals, respectively; k = 3, 4, , and also signal selection and synchronization unit 8, clock generator 9, solving unit 10, two switches 11, 13, memory unit 12, squarer 14, accumulator 15, and gating threshold unit 16. EFFECT: reduced misoperation probability. 1 cl, 3 dwg