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Priority to NL6515572ApriorityCriticalpatent/NL6515572A/xx
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H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
H03D13/003—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means