Signal receiver
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United States of America Patent
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-
Dec 20, 1988
Grant Date -
N/A
app pub date -
May 20, 1986
filing date -
May 24, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A receiver for the demodulation of FSK signal for passage to ancillary equipment has an error-corrector prior to demodulator. In preparing received signals for error-correction, they are passed to a counter which notes the number of cycles within each symbol of the signal. Thereafter, this count is used by a calculator and a classifier to derive a confidence level indicating the degree of certainty of the symbol having the carrier frequency. This confidence level is used in the error-correcting and/or demodulation operations.
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