CH407246A
(en )
1966-02-15
Circuit arrangement for an electronic telephone exchange
CH402959A
(en )
1965-11-30
Switching network for an electronic switching device
CH429843A
(en )
1967-02-15
Search circuit for extension line groups in electronic telecommunications switchgear
CH329942A
(en )
1958-05-15
Circuit arrangement for free selection processes in telecommunication systems, in particular telephone systems
CH324915A
(en )
1957-10-15
Circuit arrangement for telecommunications, in particular telephone systems
CH399548A
(en )
1965-09-30
Control method for electronic time division multiplex switching devices in telecommunication systems, in particular telephone systems
CH353043A
(en )
1961-03-31
Circuit arrangement for electronic zoning devices in telecommunication systems, in particular telephone systems
AT199710B
(en )
1958-09-25
Circuit arrangement for electronic zoning devices in telecommunication systems, in particular telephone systems
CH388392A
(en )
1965-02-28
Electronic circuit arrangement in a control system, in particular a telecommunications system
CH353408A
(en )
1961-04-15
Circuit arrangement for subscriber station in telecommunication systems, in particular telephone systems, with keypad selection
CH364531A
(en )
1962-09-30
Circuit arrangement for an electronic selector for detouring in telecommunication systems, in particular telephone systems
CH315053A
(en )
1956-07-15
Circuit arrangement in telecommunication systems, in particular telephone systems
CH355483A
(en )
1961-07-15
Identification device for telecommunications, in particular telephone systems
CH353407A
(en )
1961-04-15
Circuit arrangement for an electronic selector for detouring in telecommunications, in particular telephone systems
AT198326B
(en )
1958-06-25
Circuit arrangement for voters in telecommunication systems, in particular telephone systems
CH397785A
(en )
1965-08-31
Relayless subscriber circuit for telecommunications, in particular telephone systems
CH372096A
(en )
1963-09-30
Circuit arrangement for power supply devices in telecommunication systems, in particular telephone systems
CH356498A
(en )
1961-08-31
Double coincidence circuit for telecommunication systems, in particular telephone systems
CH372344A
(en )
1963-10-15
Contactless switch on an electronic basis, in particular for telephone systems
CH367213A
(en )
1963-02-15
Circuit arrangement for telephone systems with connection dialers set by marking devices
AT197442B
(en )
1958-04-25
Circuit arrangement for direction selector in telecommunication systems, in particular telephone systems
CH391805A
(en )
1965-05-15
Wiring board for telecommunications, in particular telephone systems
AT246233B
(en )
1966-04-12
Circuit arrangement for telecommunications, in particular telephone systems
CH357440A
(en )
1961-10-15
Circuit arrangement for a multiple usable coupling field in telecommunications, in particular telephone systems
CH385927A
(en )
1964-12-31
Circuit arrangement for subscriber stations in telecommunication systems, in particular telephone systems