Telecommunications – Receiver or analog modulated signal frequency converter – Frequency or phase modulation
Patent
1987-12-18
1990-02-27
Griffin, Robert L.
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency or phase modulation
455264, 455304, H04B 116
Patent
active
049053078
ABSTRACT:
A synchyronous receiver with direct mixing comprising a phase detector and an amplitude demodulator is provided with a square-law envelope detector and means for making the envelope signal audible or visible for tuning purposes.
REFERENCES:
patent: 4086593 (1978-04-01), Chelikowsky et al.
Griffin Robert L.
Kuntz Curtis
Telefunken electronic GmbH
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