AT238265B
(en )
1965-02-10
Transmission system for the transmission of pulse signals
CH393144A
(en )
1965-05-31
Magnetic-electrical signal transmitter
AT239847B
(en )
1965-04-26
Transmission system for the transmission of pulse signals as well as corresponding transmitting and receiving devices
CH411991A
(en )
1966-04-30
Transmission system for the transmission of signals using pulse code modulation
CH417408A
(en )
1966-07-15
Magnetic-electrical signal transmitter
GB821873A
(en )
1959-10-14
A system for detecting and transmitting frequency modulated signals
AT265375B
(en )
1968-10-10
Transmission system for the transmission of signals via a transmission cable
DK113785B
(en )
1969-04-28
System for transmitting data signals by means of a single sideband and partially suppressed carrier.
CH347229A
(en )
1960-06-30
Multi-channel signal transmission system
BE606070A
(en )
1962-01-15
Method of transmitting control signals over a carrier frequency system
FR1197085A
(en )
1959-11-27
Advanced device for the selective transmission of electrical signals
CH372351A
(en )
1963-10-15
Signal transmission system
CH351735A
(en )
1961-01-31
Device on a cable conveyor system for the transmission of control signals
CH379579A
(en )
1964-07-15
Device for the disguised transmission of speech signals
CH393491A
(en )
1965-06-15
Circuit for receiving remote control signals
CH395188A
(en )
1965-07-15
Signal transmission system
CH376141A
(en )
1964-03-31
Circuit arrangement of a railway signal system
CH376810A
(en )
1964-04-15
Selective receiving circuit for ringing signals of a predetermined frequency
BE579218A
(en )
1959-12-01
Receiving circuit for modulated signals (Empfangsschaltung fur modulierte Signal)
AT198320B
(en )
1958-06-25
Transmission device for transmitting signals
CA577839A
(en )
1959-06-16
Converter for wave signal recorders
DK123900B
(en )
1972-08-14
Transmission station for pulse code modulated time division multiplex signals or computer controlled telephone system comprising such a transmission station.
AU244746B2
(en )
1961-02-09
Apparatus for transmitting stored telegraph signals
SU474308A1
(en )
1994-12-30
Method of obtaining microspherical chromaluminosilicate catalyzer
CA602712A
(en )
1960-08-02
Frequency control system