CA499109A
(fr )
1954-01-12
Systeme de communication multiplex a division de temps
CA594467A
(en )
1960-03-15
Radio communication system
CA499348A
(fr )
1954-01-19
Systeme de communication de signaux a ondes
CA499910A
(fr )
1954-02-09
Systeme multiplex de division de temps
AU201961B2
(en )
1955-03-17
Carrier communication system
CA508386A
(fr )
1954-12-21
Systeme de communication de pulsations electriques multiplex
CA507871A
(fr )
1954-12-07
Systeme de telecommunication
CA501908A
(fr )
1954-04-27
Systeme de recepteur telephonique
CA504222A
(fr )
1954-07-13
Systeme telegraphique
AU201801B2
(en )
1955-06-30
Multichannel telegraph system
CA506833A
(fr )
1954-10-26
Systeme synchrometrique de multipliage
AU312754A
(en )
1955-03-17
Carrier communication system
CA518558A
(fr )
1955-11-15
Systeme de communications multiplex
CA505804A
(fr )
1954-09-14
Systeme de signalisation telephonique
AU201491B2
(en )
1955-03-03
Pulse communication system
CA500417A
(fr )
1954-03-02
Systeme de telegraphe porteur
CA500699A
(fr )
1954-03-16
Systeme de transmission
CA499022A
(fr )
1954-01-05
Systemes de communications electriques
AU166993B2
(en )
1954-06-24
Multichannel communication
CA507200A
(fr )
1954-11-09
Systemes de telecommunication
AU208786B2
(en )
1955-06-23
Improvements in or relating to time division multiplex communication systems
AU163638B2
(en )
1954-01-21
Communication system
CA495715A
(fr )
1953-09-01
Systeme de communication
CA493211A
(fr )
1953-05-26
Systeme de communication
CA498159A
(fr )
1953-12-01
Systeme de communication