CH263782A
(en )
1949-09-15
Device for automatic correction of the frequency of an oscillator.
FR969267A
(en )
1950-12-18
High frequency amplifier
NL155414B
(en )
FREQUENCY DETECTOR.
FR952475A
(en )
1949-11-17
Amplifier device for high frequency
FR970385A
(en )
1951-01-03
Magnetron tube for ultra-short electromagnetic oscillations
DK77064C
(en )
1954-02-08
Apparatus for stabilizing the frequency of a microwave signal source.
DK82768C
(en )
1957-06-03
Apparatus for stabilizing the frequency of a microwave signal source.
FR948331A
(en )
1949-07-28
Frequency modulator
FR969757A
(en )
1950-12-26
Microwave generator system, more specifically of the magnetron type
CH258470A
(en )
1948-11-30
Circuit for frequency modulation of a feedback tube generator.
DK78138C
(en )
1954-09-20
Apparatus for stabilizing the frequency of a microwave oscillator.
DK71901C
(en )
1950-12-27
Apparatus for frequency modulation of a transmitter.
DK81240C
(en )
1956-07-02
Apparatus for stabilizing microwave oscillations.
FR984507A
(en )
1951-07-06
Frequency modulator
FR1004214A
(en )
1952-03-27
Frequency modulator
DK77659C
(en )
1954-06-14
Apparatus for frequency stabilization of a microwave oscillator.
DK72822C
(en )
1951-07-30
Apparatus for measuring the amplitude of a wave signal.
DK82655C
(en )
1957-04-15
Apparatus for reducing the phase velocity of electromagnetic waves.
DK82704C
(en )
1957-04-23
Apparatus for generating a normal frequency.
DK78172C
(en )
1954-09-27
Apparatus for the production of gases.
DK76362C
(en )
1953-09-14
Apparatus for monitoring a frequency difference.
FI21859A
(en )
1947-02-10
Copying for frequency modulation is provided
FI23909A
(en )
1949-09-10
Frequency setting for electromagnetic relays
DK80156C
(en )
1955-11-21
Apparatus for amplifying centimeter waves.
FI21860A
(en )
1947-02-10
High frequency signal system