Analog/digital converter

Communications: electrical – Audible indication – Percussion-type sound producer

Patent

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Details

H03K 1302

Patent

active

045845654

ABSTRACT:
A/D converters in which a carrier frequency signal is frequency-modulated with the analog signal to be converted. The frequency-modulated signal is fed in parallel to a plurality of resonance means each of which is tuned to a different resonance frequency in the peak frequency deviation range. Depending on whether a resonator is in the resonance state or not, it is assigned a logical value "1" or a logical value "O". The logical value pattern corresponding to the resonance pattern of all resonators then represents the digitized instantaneous value of the analog signal.

REFERENCES:
patent: 4366467 (1982-12-01), Cushman

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