CH232472A
(en )
1944-05-31
Relay station for the transmission of high frequency oscillations.
CH220365A
(en )
1942-03-31
Device for generating ultra-high frequency oscillations.
DK70170C
(en )
1949-11-07
Apparatus for amplifying or generating ultra-high frequency oscillations.
DK66507C
(en )
1948-03-30
Apparatus for generating or amplifying very high frequency oscillations.
CH228557A
(en )
1943-08-31
Device for frequency doubling of ultra-high frequency oscillations.
CH242748A
(en )
1946-05-31
Circuit arrangement for amplifying or generating ultra-high frequency oscillations.
DK69853C
(en )
1949-09-12
Apparatus for generating or amplifying high-frequency oscillations.
DK59365C
(en )
1942-01-05
Coupling for Generating or Amplifying Ultra High Frequency Oscillations.
DK63589C
(en )
1945-06-11
Device for amplifiers for ultra-high frequency oscillations.
DK68010C
(en )
1948-11-29
Apparatus for amplifying sawtooth-shaped oscillations.
DK49101C
(en )
1934-08-06
Apparatus for Receiving High Frequency Waves.
DK63186C
(en )
1945-02-19
Device for amplifiers for ultra-high frequency oscillations.
DK60575C
(en )
1943-02-08
Crystal controlled tube oscillator, especially for high frequency transmitters.
DK49307C
(en )
1934-09-24
Circuit arrangement for generating, amplifying or increasing the frequency of high-frequency oscillations.
DK56158C
(en )
1939-05-08
Clay Procedure and Apparatus.
DK54468C
(en )
1938-03-14
Apparatus for Receiving Sound Waves.
DK52844C
(en )
1937-03-22
Oscillator for generating high frequency oscillations.
DK52079C
(en )
1936-08-31
Apparatus for Generating Short Waves.
DK67150C
(en )
1948-07-05
Electric discharge tubes, in particular for generating ultra-high frequency oscillations.
DK71002C
(en )
1950-05-15
Apparatus for generating ultra-high frequency oscillations.
DK61410C
(en )
1943-10-11
Frequency detector, especially for Fine tuning of High Frequency Amplifiers.
DK62514C
(en )
1944-07-31
Apparatus and electric discharge tube for generating particularly high frequency electric oscillations.
DK59848C
(en )
1942-06-08
Apparatus for the Melting of Fields, in particular of Bones.
DK72706C
(en )
1951-07-02
Apparatus for transmitting or receiving ultra-high frequency electromagnetic waves.
DK63801C
(en )
1945-08-13
Apparatus for AC Telegraphy with Frequency Doubling.