GB2138654B
(en )
1985-06-05
Telephone switching system
GB1548768A
(en )
1979-07-18
Coupling networks for time-division telecommunication systems
ES470733A1
(es )
1979-09-16
Un metodo y un aparato para la senalizacion y constitucion de cuadros en un sistema de comunicacion multiplex por divi-sion de tiempo
GB8312984D0
(en )
1983-06-15
Receivers for telephone subscriber line
PT73193B
(en )
1982-07-01
Time division multiplex telecommunication digital switching module
DE3169256D1
(en )
1985-04-18
Single channel duplex communication system
JPS56132847A
(en )
1981-10-17
Telephone channel
ZA781054B
(en )
1979-01-31
Switch-through units for pcm t.d.m.switching networks
AU5006585A
(en )
1986-05-29
Channel assignment system for loop network
JPS57119549A
(en )
1982-07-26
Conference telephone system
JO1049B1
(ar )
1982-07-10
مفتاح توزيع تلفوني من اجل نظام ارسال متعدد متقابل مقسم الزمن و بالاخص من اجل مقاسم تلفونية تعمل بنظام بام
DE3369048D1
(en )
1987-02-12
Subscriber telephone system
DE3376730D1
(en )
1988-06-23
Telephone switching system
IL69580A
(en )
1987-07-31
Communication switching systems
GB1556960A
(en )
1979-12-05
Multi stage switchung network for timedivision multiplex operation
JPS57211897A
(en )
1982-12-25
Central control time division multiplex telephone exchange system such as pcm telephone exchange system circuit device
JPS52103904A
(en )
1977-08-31
Network for connecting pcmtdm automatic telephone switching system
IL65948A0
(en )
1982-09-30
Circuit arrangement for timedivision multiplex telecommunication exchange systems
JPS5326608A
(en )
1978-03-11
Terminal station for carrier telephone multiplex system
JPS54149415A
(en )
1979-11-22
Device having ring structure line network for time division multiplex communication system
JPS5776936A
(en )
1982-05-14
Channel terminating circuit for connecting communication channel
GB2049355B
(en )
1983-02-16
Telephone switches for time division multiplex systems
JPS53116022A
(en )
1978-10-11
Time division multiplex communication system for connecting between twoowire channels
IL65949A0
(en )
1982-09-30
Circuit arrangement for timedivision multiplex telecommunication exchange systems
JPS57171834A
(en )
1982-10-22
Multiplex communication system of switching device