NL7600914A -
CIRCUIT FOR TELECOMMUNICATIONS SWITCHING SYSTEMS, IN PARTICULAR TELEPHONE SWITCHING SYSTEMS, WITH TEST AND BUSY POWER CHAINS.
- Google Patents
CIRCUIT FOR TELECOMMUNICATIONS SWITCHING SYSTEMS, IN PARTICULAR TELEPHONE SWITCHING SYSTEMS, WITH TEST AND BUSY POWER CHAINS.
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Priority claimed from DE19752512660external-prioritypatent/DE2512660C3/en
Application filed by Siemens AgfiledCriticalSiemens Ag
Publication of NL7600914ApublicationCriticalpatent/NL7600914A/en
NL7600914A1975-03-211976-01-29
CIRCUIT FOR TELECOMMUNICATIONS SWITCHING SYSTEMS, IN PARTICULAR TELEPHONE SWITCHING SYSTEMS, WITH TEST AND BUSY POWER CHAINS.
NL7600914A
(en)
Circuit arrangement for telecommunications switching systems, in particular telephone switching systems, with switching networks and with central and partially central devices
CIRCUIT FOR A TELECOMMUNICATIONS SWITCHING SYSTEM, IN PARTICULAR TELEPHONY SWITCHING SYSTEM WITH INDIVIDUAL SWITCHING DEVICES AND PARTIALLY CENTRAL CONTROL DEVICES ADDED FOR CONNECTIONS.
CIRCUIT ARRANGEMENT FOR DETECTING AND EVALUATING LOOP CONDITION CHANGES IN CENTRALLY CONTROLLED TELECOMMUNICATIONS, IN PARTICULAR TELECOMMUNICATION SYSTEMS