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1986-03-26
Radiofrequency transducer and method of using same
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1988-02-03
Determining mean frequency of time varying signals
ZA848834B
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1985-07-31
Apparatus and method of cooling using stored ice slurry
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1984-03-22
Process and device for the synchronization of digital signals
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1991-01-23
Apparatus for measuring the frequency of microwave signals
IL74250A0
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1985-05-31
Counting apparatus and method for sampling the frequency of an input signal
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1990-01-18
Apparatus and method for demodulating signals having continuous phase or frequency modulation
NZ190429A
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1982-05-31
Method of reducing interference components in frequency modulated signal
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1989-02-23
Phase modulation method and apparatus
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1988-06-08
Methods of and apparatus for converting digital signals
ES535443A0
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1986-02-01
METHOD AND APPARATUS FOR THE TRANSMISSION OF VOCAL FREQUENCY SIGNALS
GB2146178B
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1986-12-31
Method and apparatus for rotation of microwave signal polarization
JPS57135375A
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1982-08-20
Apparatus for and method of determining presence and frequency of periodic signal
EP0125768A3
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1987-01-28
Method and apparatus for generating phase locked digital clock signals
GB2147110B
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1987-09-03
Determining the amplitude ratio and phase difference of signals of equal frequency
DE3163100D1
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1984-05-17
Method of comparing the modulation of two broadcast signals and circuit for carrying out this method
PL236297A2
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1983-03-14
Method of and system for controllable phase shifting of monochromatic signal within medium frequency range
PL236298A2
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1983-03-14
Method of and system for controllable phase shifting of modulated narrow-band signals in any frequency range
BG46734A1
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1990-02-15
Method for receiving of frequency modulated analogous signals
GB2071466B
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1984-06-20
Method of and apparatus for demultiplexing signals
PL240210A1
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1983-09-26
Method of generating carrier frequency,control frequency and local signals for multi-channel carrier frequency system and carrier frequency network
PL266747A1
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1988-03-03
Method of and circuit for changing carrier wave modulating signal
PL242222A2
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1984-03-26
Method of and system for digital measurement of mean value of phase shift
PL257200A1
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1988-06-23
Method of measurement of phase shift between two oscillations of the same frequency and the system for measurement of phase shift between two oscillations of the same frequency
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1984-03-26
Method of recording of spectra and measurement of their frequency and system therefor