CH232472A (en )1944-05-31 Relay station for the transmission of high frequency oscillations. CH213354A (en )1941-01-31 Receiver for modulated high frequency oscillations. DK50601C (en )1935-09-02 Receive switch for generating an interference frequency. DK69334C (en )1949-06-13 Coupling for stabilizing oscillators for frequency 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. DK67686C (en )1948-09-27 Receiver for Receiving Frequency Modulated Oscillations. DK69486C (en )1949-07-04 Coupling for rectification of frequency modulated oscillations. CH228557A (en )1943-08-31 Device for frequency doubling of ultra-high frequency oscillations. CH219822A (en )1942-02-28 Circuit for influencing the modulation depth of an amplitude-modulated oscillation. DK65842C (en )1947-11-10 Coupling for Transforming Frequency Modulated Oscillations into Amplitude Modulated Oscillations with a Desired Frequency. DK66554C (en )1948-04-05 Systems for Frequency Transformation of High Frequency Oscillations. DK67107C (en )1948-06-28 Coupling to Frequency modulation of electrical oscillations. CH226580A (en )1943-04-15 Device for balancing the frequency characteristics of tunable oscillation circuits. DK72375C (en )1951-04-09 Coupling for stabilizing the carrier frequency of a frequency modulated oscillation. DK52844C (en )1937-03-22 Oscillator for generating 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. DK61562C (en )1943-11-15 Coupling to Frequency Doubling of High Frequency Oscillations. DK48849C (en )1934-06-11 Circuit arrangement for receiving high frequency oscillations. DK60514C (en )1943-01-18 Transmission system for emitting modulated high-frequency oscillations. DK54516C (en )1938-03-28 Coupling for Receiving modulated High Frequency Oscillations. DK65541C (en )1947-08-25 Coupling for Generating Electrical Oscillations with Ultra-Short Wavelength. DK79110C (en )1955-04-12 Coupling for generating frequency modulated oscillations. DK59365C (en )1942-01-05 Coupling for Generating or Amplifying Ultra High Frequency Oscillations.