BE573211A
(en )
1959-03-16
Filtered.
CH363673A
(en )
1962-08-15
Telegraph receiver
DK94414C
(en )
1962-10-01
Coupling time secretion of interfering signals.
CH372351A
(en )
1963-10-15
Signal transmission system
FR1152807A
(en )
1958-02-26
Advanced elastic coupling
DK104002C
(en )
1966-03-21
Coupling for stereophonic reproduction of signals.
FR1192727A
(en )
1959-10-28
Elastic coupling
CH396996A
(en )
1965-08-15
Amplifier for single sideband signals
CH332681A
(en )
1958-09-15
Single sideband receiver for voice signals
FR1202595A
(en )
1960-01-12
Elastic coupling
DK88164C
(en )
1959-11-16
Elastic coupling.
DK97412C
(en )
1963-11-25
Television receiver coupling to counteract interfering signals.
DK89568C
(en )
1960-08-22
Television receiver coupling to counteract interfering signals.
DK90329C
(en )
1961-01-30
Single-sided tape equipment for transmitting voice signals.
DK87898C
(en )
1959-09-28
Receiver for frequency modulated signals.
FR1172418A
(en )
1959-02-10
Talking clock
FR1206899A
(en )
1960-02-12
Connection filter
DK96365C
(en )
1963-07-01
Coupling for receiving signals.
DK86028C
(en )
1958-08-11
Signal receiver.
DK92309C
(en )
1961-12-04
Single sideband receiver for voice signals.
DK88236C
(en )
1959-12-07
Method of making compresses.
DK96844C
(en )
1963-09-09
Coupling for stereophonic reproduction of signals.
FR1176751A
(en )
1959-04-15
Improvements to automatic couplings
FI33946A
(en )
1964-02-10
Improvements in the transmission of numerical signals in the telephone system
DK105211C
(en )
1966-09-05
Coupling for stereophonic reproduction of signals.