CH262680A
(en )
1949-07-15
Circuit for amplifying an electrical signal.
CH262681A
(en )
1949-07-15
Circuit for amplifying an electrical signal.
CH265044A
(en )
1949-11-15
Speed-modulated amplifier tube.
DK73580C
(en )
1952-01-02
Coupling for amplification of electrical oscillations.
CH296195A
(en )
1954-01-31
Toggle circuit.
CH265059A
(en )
1949-11-15
Circuit for amplifying an electrical signal.
DK72705C
(en )
1951-07-02
Coupling for amplification of an electrical signal.
DK75725C
(en )
1953-04-20
Coupling for amplification of an electrical signal.
CH263431A
(en )
1949-08-31
Pseudo push-pull circuit.
CH248292A
(en )
1947-04-30
Cone coupling.
DK75367C
(en )
1953-02-02
Coupling for amplification of electrical oscillations.
DK70848C
(en )
1950-04-11
Coupling for distribution of signal pulsations.
CH268997A
(en )
1950-06-15
Electric signal system.
DK73243C
(en )
1951-10-22
Amplifier circuit for electrical signals.
DK80492C
(en )
1956-02-06
Coupling for amplification of electrical oscillations.
AT172815B
(en )
1952-10-25
Tube amplifier circuit
FR944142A
(en )
1949-03-28
Electrical signal amplifier assembly
FR919538A
(en )
1947-03-11
Amplifier
FR932178A
(en )
1948-03-15
Modulated amplifier
DK71299C
(en )
1950-07-31
Coupling to generate an approximately constant electrical operating magnitude.
DK71642C
(en )
1950-10-30
Receiver amplifier coupling.
DK81811C
(en )
1957-01-28
Coupling for amplification of electrical signal oscillations.
DK85103C
(en )
1958-02-24
Apparatus for amplification of electric waves.
CH260747A
(en )
1949-03-31
Ultra-shortwave amplifier circuit.
DK73914C
(en )
1952-03-24
Terminal coupling.