US3523291A
(en )
1970-08-04
Data transmission system
RU94042898A
(ru )
1997-12-20
Демодулятор методом фазовой манипуляции
GB1036316A
(en )
1966-07-20
Improvements in or relating to data transmission systems
GB1281664A
(en )
1972-07-12
System for the accurate reproduction of pulse code modulation signals received as an unfavourable signal-to-noise ratio
JPS5019202B1
(fr )
1975-07-04
GB1499580A
(en )
1978-02-01
Digital device for detecting the presence of an nrz message
ATE189567T1
(de )
2000-02-15
Steuervorrichtungen für digitale funkempfänger
GB974721A
(en )
1964-11-11
Pulse code modulation coder
ES425145A1
(es )
1976-06-16
Un metodo para convertir una senal de datos en codigo bina-rio en otra senal en codigo de dos impulsos con la misma po-laridad y otros dos con polaridad opuesta por cada bit.
SU416862A1
(fr )
1974-02-25
US4153814A
(en )
1979-05-08
Transition coding method for synchronous binary information and encoder and decoder employing the method
GB1332360A
(en )
1973-10-03
Data modem having phase frequency and amplitude distortion compensating means
GB1434813A
(en )
1976-05-05
Transmission system
GB1113143A
(en )
1968-05-08
Digital data transmission system for increasing information rate without increase of bandwidth
GB1124743A
(en )
1968-08-21
Digital processing of fsk and psk signals
GB1392546A
(en )
1975-04-30
Binary data communication apparatus
US4319087A
(en )
1982-03-09
Secret communication system
GB1153125A
(en )
1969-05-21
Data Transmission System
SU649135A2
(ru )
1979-02-25
Система св зи с дельта-модул цией
GB1193475A
(en )
1970-06-03
Improvements in or relating to Coded Information Transmission Systems
GB1148805A
(en )
1969-04-16
Binary code signals transmission system
FI59516C
(fi )
1981-08-10
Foerfarande foer aostadkommande av fassynkronisering
GB1519972A
(en )
1978-08-02
Data transmission system
US4201884A
(en )
1980-05-06
Digital data transmission system
GB1281169A
(en )
1972-07-12
Improvements in or relating to phase modulation transmission systems