BE582539A
(en )
1959-12-31
Communication system.
NL144783B
(en )
1975-01-15
HIGH-FREQUENT TRANSMISSION SYSTEM.
BE578298A
(en )
1959-08-17
Connection device.
NL149660B
(en )
1976-05-17
TRANSMISSION SYSTEM.
OA01475A
(en )
1969-07-21
Synchronizer device.
BE575672A
(en )
1959-05-29
Telephone system.
DK94089C
(en )
1962-08-13
Coupling in a receiver in a selective call transmission system.
DK103730C
(en )
1966-02-14
Coupling in a color television receiver.
DK103894C
(en )
1966-03-07
Automatic telephone system.
DK108141C
(en )
1967-09-18
Coupling for use in a color television receiver.
DK107756C
(en )
1967-07-03
Coupling for use in a color television receiver.
CH379588A
(en )
1964-07-15
Switching in a receiver in a transmission system with selective calling for each receiver participating in the system
CH360292A
(en )
1962-02-15
Coupling device
BE577233A
(en )
1959-07-16
Elastic coupling.
DK97193C
(en )
1963-10-28
Coupling in automatic telephone systems.
CH408122A
(en )
1966-02-28
Electroacoustic transmission system
CH387707A
(en )
1965-02-15
Line telephone system with selective call transmission and identification
DK92258C
(en )
1961-11-27
Coupling to automatic telephone systems.
DK97706C
(en )
1964-01-13
Receiver for use in a color television transmission system.
DK99149C
(en )
1964-06-29
Coupling for signal transmission in automatic telephone systems.
DK102257C
(en )
1965-08-02
Coupling in an automatic telephone system.
DK97415C
(en )
1963-11-25
Coupling for coin-operated telephones in telephone systems.
DK96796C
(en )
1963-09-02
Coupling network in telephone exchange systems.
CA563277A
(en )
1958-09-16
Telephone ringing-signal transmission system
DK113719B
(en )
1969-04-21
Two-way transmitter for impulse transmission.