Process and device for decoding a code signal

Details Process and device for decoding a code signal Process and device for decoding a code signal

1989-07-31

1990-10-23

Lall, Parshotam S.

Boots, shoes, and leggings

364726, 341156, 324 77B, G01R 2316, G06F 15332

Patent

active

049657577

ABSTRACT:
After sampling and conversion into digital values, the digitalized temporal samples of the received code signal (SC) are subjected to a fast Fourier transformation, and the information items (FFT) representing the frequencies of the transform are processed automatically in such a manner as to compare spectra of the transform with stored theoretical values for each possible code signal, in order to determine a set of information items called "conversions" (M1-Mn), from among which a selector then selects a particular "conversion" (MSO) which will reliably identify the received code signal and will activate a display device.

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