FR969267A
(en )
1950-12-18
High frequency amplifier
NL155414B
(en )
FREQUENCY DETECTOR.
CH265353A
(en )
1949-11-30
Frequency division arrangement.
DK74374C
(en )
1952-06-30
Coupling for amplification of ultra-high frequency oscillations.
FR966593A
(en )
1950-10-13
Very high frequency oscillators
DK73203C
(en )
1951-10-15
Coupling for detecting frequency modulated oscillations.
DK70433C
(en )
1950-01-02
Coupling for amplification of electric ultra-high frequency oscillations.
DK74431C
(en )
1952-07-14
Coupling for detecting frequency modulated oscillations.
DK71274C
(en )
1950-07-24
Coupling and electric discharge tubes for amplifying or generating ultra-high frequency electric oscillations.
DK70744C
(en )
1950-03-20
Coupling for limiting and rectifying frequency modulated oscillations.
DK77829C
(en )
1954-07-19
Coupling for generating phase or frequency modulated oscillations.
CH263812A
(en )
1949-09-15
Tube circuit for ultra-high frequency oscillations.
DK75367C
(en )
1953-02-02
Coupling for amplification of electrical oscillations.
DK74700C
(en )
1952-09-15
Coupling for stabilizing the carrier frequency of a frequency modulated oscillation.
DK79110C
(en )
1955-04-12
Coupling for generating frequency modulated oscillations.
ES184153A1
(en )
1949-02-16
AN ASSEMBLY FOR AMPLIFICATION OF ULTRA-HIGH FREQUENCY OSCILLATIONS
DK80492C
(en )
1956-02-06
Coupling for amplification of electrical oscillations.
DK74642C
(en )
1952-09-01
Coupling for silent tuning of a receiver for frequency modulated oscillations.
DK79677C
(en )
1955-08-08
Coupling for generating phase or frequency modulated oscillations.
DK73764C
(en )
1952-02-11
Coupling for amplitude limitation in receivers for frequency modulated oscillations.
CH271793A
(en )
1950-11-15
Circuit for amplifying ultra-high frequency oscillations in a wide frequency band.
DK74272C
(en )
1952-06-09
Coupling for generating sawtooth oscillations.
DK76455C
(en )
1953-10-05
Frequency splitter.
DK78971C
(en )
1955-03-14
Coupling for generating an electrical oscillation whose amplitude and frequency depend on the amplitude and frequency of an input oscillation.
DK81470C
(en )
1956-07-30
Process for the preparation of d- and 1-biotin.