CH224079A
(en )
1942-10-31
Ultra-high frequency device with a transmission line, the transmission characteristics of which are variable.
CH232472A
(en )
1944-05-31
Relay station for the transmission of high frequency oscillations.
DK65842C
(en )
1947-11-10
Coupling for Transforming Frequency Modulated Oscillations into Amplitude Modulated Oscillations with a Desired Frequency.
CH213354A
(en )
1941-01-31
Receiver for modulated high frequency oscillations.
CH230610A
(en )
1944-01-15
Circuit for generating frequency-modulated high-frequency oscillations.
DK67504C
(en )
1948-08-30
Coupling to Receive Frequency Modulated Oscillations.
DK69486C
(en )
1949-07-04
Coupling for rectification of frequency modulated oscillations.
DK69334C
(en )
1949-06-13
Coupling for stabilizing oscillators for frequency modulated high frequency oscillations.
DK67686C
(en )
1948-09-27
Receiver for Receiving Frequency Modulated Oscillations.
CH228557A
(en )
1943-08-31
Device for frequency doubling of ultra-high frequency oscillations.
DK60740C
(en )
1943-03-29
Radio receiver coupling for modulation of a received signal with locally generated oscillations.
DK67107C
(en )
1948-06-28
Coupling to Frequency modulation of electrical oscillations.
DK66012C
(en )
1947-12-08
Mixing coupling with diode tube, especially for very high frequency oscillations.
DK67187C
(en )
1948-07-12
Frequency modulation coupling with constant Frequency oscillation.
DK61562C
(en )
1943-11-15
Coupling to Frequency Doubling of High Frequency Oscillations.
DK72375C
(en )
1951-04-09
Coupling for stabilizing the carrier frequency of a frequency modulated oscillation.
DK66554C
(en )
1948-04-05
Systems for Frequency Transformation of High Frequency Oscillations.
DK75875C
(en )
1953-05-26
Coupling for transmission of electrical oscillations.
DK72404C
(en )
1951-04-16
Coupling for transmission of electrical oscillations.
DK76356C
(en )
1953-09-14
Coupling for constant maintenance of the average frequency of a frequency modulated oscillator.
DK79110C
(en )
1955-04-12
Coupling for generating frequency modulated oscillations.
DK72867C
(en )
1951-08-06
Coupling to limit the amplitude of electrical oscillations.
DK60514C
(en )
1943-01-18
Transmission system for emitting modulated high-frequency oscillations.
DK62673C
(en )
1944-09-11
Coupling with a High Frequency Microphone.
CH227275A
(en )
1943-05-31
Receiver for frequency-modulated oscillations with amplitude limiter.