Technique for transmission of voice communications and apparatus

Details Technique for transmission of voice communications and apparatus Technique for transmission of voice communications and apparatus

1984-04-19

1989-04-25

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

375 38, 375122, 381 31, H04B 166, H04B 1406

Patent

active

048254517

ABSTRACT:
Apparatus for transmission of communications including apparatus for transmitting samples of an analog signal by conversion of such samples from their original frequencies to lower frequencies, extrapolating from the samples at the lower frequencies and reconverting the extrapolated samples to the original frequencies.

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patent: 4387455 (1983-06-01), Schwartz
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