BE578015A -
Circuit for a call relay in telecommunications, in particular telephone systems (Schaltungsanordnung fur ein Anrufrelais in Fernmelde-, insbesondere Fernsprechanlagen)
- Google Patents
Circuit for a call relay in telecommunications, in particular telephone systems (Schaltungsanordnung fur ein Anrufrelais in Fernmelde-, insbesondere Fernsprechanlagen)
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Application filed by Bell Telephone MfgfiledCriticalBell Telephone Mfg
Publication of BE578015ApublicationCriticalpatent/BE578015A/en
H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
H01H47/223—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil adapted to be supplied by AC
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04Q—SELECTING
H04Q3/00—Selecting arrangements
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Devices For Supply Of Signal Current
(AREA)
Interface Circuits In Exchanges
(AREA)
BE578015A1958-04-241959-04-23
Circuit for a call relay in telecommunications, in particular telephone systems (Schaltungsanordnung fur ein Anrufrelais in Fernmelde-, insbesondere Fernsprechanlagen)
BE578015A
(en)
Circuit for a call relay in telecommunications, in particular telephone systems (Schaltungsanordnung fur ein Anrufrelais in Fernmelde-, insbesondere Fernsprechanlagen)
Circuit for a call relay in telecommunications, in particular telephone systems (Schaltungsanordnung fur ein Anrufrelais in Fernmelde-, insbesondere Fernsprechanlagen)
A method for selecting and implementing communication paths in multi-stage interconnection networks in telecommunication systems, in particular telephone systems.