Demodulators – Amplitude modulation demodulator – Having specific distortion – noise or other interference...
Patent
1979-03-09
1984-03-20
Grimm, Siegfried H.
Demodulators
Amplitude modulation demodulator
Having specific distortion, noise or other interference...
329102, 329105, 375 94, H03D 318, H03K 900, H03K 1300
Patent
active
044384076
ABSTRACT:
In a demodulator the signal to be demodulated is applied to the information inputs of a shift register by way of a circuit, for example an RS flip-flop, which extends the signal duration and makes it possible to scan the signal with the shift register. The signal outputs of the shift register control two signal inputs of a second flip-flop by way of logic gates. The circuits required for constructing the demodulator can all be provided, without difficulty, in monolithic semiconductor technology and can be integrated with other circuits on a common semiconductor chip.
REFERENCES:
patent: 3623075 (1971-11-01), Bench et al.
patent: 3925686 (1975-12-01), Nomiya
patent: 3997847 (1976-12-01), Tong
patent: 4034301 (1977-07-01), Kashio
patent: 4059806 (1977-11-01), Vagt, Jr.
patent: 4115738 (1978-09-01), Mitarai et al.
Schulenburg, "Einfache Fernsteuerung fur 9 Kanale", Elektronik 1975, vol. 10, pp. 104-105.
Grimm Siegfried H.
Siemens Aktiengesellschaft
Westin Edward P.
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