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(en )
1990-09-04
Bus architecture for digital communications
CS273304B2
(en )
1991-03-12
Digital linking system with disassembled control
CS271302B2
(en )
1990-09-12
Digital transmission system with distributed control
CA1137584A
(en )
1982-12-14
Multiprocessor system for the processing of digital data
CS271303B2
(en )
1990-09-12
Multigate switching element
US4460994A
(en )
1984-07-17
Loop communication system
BE903857R
(nl )
1986-06-16
Telecommuncatie schakelsysteem en daarin toegepaste prioriteitsinrichting.
DK157587B
(da )
1990-01-22
Fremgangsmaade og kredsloeb til overfoering af datasignaler mellem datasignalsendere og datasignalmodtagere, som er tilsluttet et dataformidlingsanlaegs dataformidlingsindretninger
JPS58139543A
(ja )
1983-08-18
通信回路網
US5049871A
(en )
1991-09-17
Loop communication system
US4627050A
(en )
1986-12-02
Time division multiplexed computerized branch exchange
PL88863B3
(en )
1976-10-30
Circuit arrangement for data processing telephone exchange installations with systems for message transmission[us3591722a]
US4254496A
(en )
1981-03-03
Digital communication bus system
US4763122A
(en )
1988-08-09
Parallel switching with round robin priority
JPS62500836A
(ja )
1987-04-02
チャネル ユニットにおけるディジタル伝送回線の折り返しの方法および装置
DK151674B
(da )
1987-12-21
Fremgangsmaade og kredsloeb til formidling af data mellem dataterminaler
US4203001A
(en )
1980-05-13
Apparatus for establishing multi-address and conference call connections
JPS62500835A
(ja )
1987-04-02
環状化チャネル ユニット
US3665110A
(en )
1972-05-23
Switching arrangement for centrally controlled telephone exchange installation
NO940220L
(no )
1994-01-21
Koesystem for svitsjer med "hurtigkrets"-egenskaper
PL66875B1
(esLanguage )
1972-08-31
US3859465A
(en )
1975-01-07
Data transmission system with multiple access for the connected users
JPH0191556A
(ja )
1989-04-11
不定形通信網のノ−ド装置
US3655922A
(en )
1972-04-11
Switching arrangement for telephone exchange-installation
US3385931A
(en )
1968-05-28
Error detecting circuits for telephone register and sender apparatus