CH322503A
(en )
1957-06-15
Circuit arrangement for frequency demodulation
FR1113390A
(en )
1956-03-28
Linear frequency modulation detector
AT187146B
(en )
1956-10-25
Circuit arrangement for demodulating frequency-modulated input oscillations
CH348730A
(en )
1960-09-15
Circuit for demodulating a frequency-modulated wave
FR1146867A
(en )
1957-11-15
Radio telegraphy system
CH271266A
(en )
1950-10-15
Circuit for angle-modulated oscillations.
CH301274A
(en )
1954-08-31
Single sideband carrier frequency telephone system.
AT184216B
(en )
1955-12-27
Circuit for receiving oscillations of the UHF band
CH331378A
(en )
1958-07-15
Device for sending telegraph signals
CH325324A
(en )
1957-10-31
Circuit arrangement for frequency modulation
CH298708A
(en )
1954-05-15
Device for ultra-short wave amplitude modulation.
FR1129797A
(en )
1957-01-25
Advanced Frequency Modulation Radio Receiver
FR1130829A
(en )
1957-02-12
Frequency modulated oscillator
FR1183389A
(en )
1959-07-07
Receiver for frequency shift telegraphy
FR1103962A
(en )
1955-11-15
Balanced frequency modulator
FR1114403A
(en )
1956-04-12
Device for generating ultra-short, frequency modulated waves
DK84524C
(en )
1958-03-10
Coupling for demodulation of frequency modulated oscillations.
DK87430C
(en )
1959-06-15
Coupling for demodulation of frequency modulated input oscillations.
AT186673B
(en )
1956-09-10
Carrier Frequency Telegraphy Facility
AT194445B
(en )
1958-01-10
Demodulation circuit for frequency and phase modulated oscillations
DK90980C
(en )
1961-05-29
Telegraph transmitter.
FR1158714A
(en )
1958-06-18
Device for frequency modulation
DK88683C
(en )
1960-03-14
Oscillating frequency converter.
CH308158A
(en )
1955-06-30
Modulation circuit.
FR1161218A
(en )
1958-08-25
Demodulation circuit for frequency modulated waves