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Licentia Patent Verwaltungs GmbH
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Licentia Patent Verwaltungs GmbH
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Publication of FR52992EpublicationCriticalpatent/FR52992E/en
H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
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FR52992D1943-07-131943-07-13
Method of transmitting messages by means of frequency modulated carrier waves
ExpiredFR52992E
(en)