CH260419A
(en )
1949-03-15
Cathode for an electron tube.
DK65890C
(en )
1947-11-17
Electron tubes for amplifying or generating very high frequency electrical oscillations.
DK65364C
(en )
1947-01-27
Electron tubes for generating oscillations.
CH231437A
(en )
1944-03-15
High frequency amplifier circuit.
CH234435A
(en )
1944-09-30
Discharge tube for generating ultra high frequency oscillations.
DK77638C
(en )
1954-06-08
Electric discharge tube for generating or amplifying electrical oscillations.
DK80288C
(en )
1955-12-19
Electron discharge device for generating ultra-high frequency electric oscillations.
DK56281C
(en )
1939-06-12
Electric discharge tube for generating high-frequency oscillations and containing an oscillation generator.
DK66507C
(en )
1948-03-30
Apparatus for generating or amplifying very high frequency oscillations.
DK61952C
(en )
1944-02-21
Electric Discharge Tube for Amplification of High Frequency Oscillations.
DK59365C
(en )
1942-01-05
Coupling for Generating or Amplifying Ultra High Frequency Oscillations.
CH242748A
(en )
1946-05-31
Circuit arrangement for amplifying or generating ultra-high frequency oscillations.
DK74881C
(en )
1952-10-27
Electron tubes for ultra-high frequencies and of the triode type.
DK67728C
(en )
1948-10-04
Apparatus with an electron tube for generating, amplifying or converting ultra-high frequency oscillations.
DK47382C
(en )
1933-05-29
Electron tubes and devices for amplification, rectification and generation of electrical oscillations by means of the same.
DK62893C
(en )
1944-11-13
Device by Pipe Generators for Stabilization of the Frequency.
CH231352A
(en )
1944-03-15
Corpuscular beam apparatus.
DK69853C
(en )
1949-09-12
Apparatus for generating or amplifying high-frequency oscillations.
DK66502C
(en )
1948-03-30
Coupling at Tipping Devices for Generating Deflection Currents.
DK73737C
(en )
1952-02-04
Tube for amplifying ultra-short waves by velocity modulation of an electron current.
DK70170C
(en )
1949-11-07
Apparatus for amplifying or generating ultra-high frequency oscillations.
DK49307C
(en )
1934-09-24
Circuit arrangement for generating, amplifying or increasing the frequency of high-frequency oscillations.
DK53933C
(en )
1937-11-29
Amplifier for high frequency electrical oscillations.
DK69538C
(en )
1949-07-11
Directly heated cathode of supporting metal strips for electron tubes.
DK66554C
(en )
1948-04-05
Systems for Frequency Transformation of High Frequency Oscillations.