BE486142A - - Google Patents

Info

Publication number
BE486142A
BE486142A BE486142DA BE486142A BE 486142 A BE486142 A BE 486142A BE 486142D A BE486142D A BE 486142DA BE 486142 A BE486142 A BE 486142A
Authority
BE
Belgium
Prior art keywords
relay
pads
selector
director
relays
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE486142A publication Critical patent/BE486142A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE486142D BE486142A (en])

Publications (1)

Publication Number Publication Date
BE486142A true BE486142A (en])

Family

ID=131887

Family Applications (1)

Application Number Title Priority Date Filing Date
BE486142D BE486142A (en])

Country Status (1)

Country Link
BE (1) BE486142A (en])

Similar Documents

Publication Publication Date Title
BE486142A (en])
US1479442A (en) Metering telephone system
US1854106A (en) Automatic telephone system
BE407792A (en])
DE443905C (de) Schaltungsanordnung fuer Fernsprechanlagen mit Zwischenverstaerkern
US1147390A (en) Switches and circuits for automatic telephone-exchanges.
US1586537A (en) Machine-switching telephone system
BE361469A (en])
CH364533A (fr) Installation de téléphonie automatique
DE478277C (de) Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb und getrennten Einstell- und Sprechwegen
BE367844A (en])
BE367264A (en])
CH396104A (fr) Installation de commande des équipements distants de télécommunication
BE353777A (en])
BE454860A (en])
BE479212A (en])
BE464914A (en])
BE489469A (en])
BE482797A (en])
BE417475A (en])
BE383853A (en])
BE438878A (en])
BE476370A (en])
BE436502A (en])
BE353224A (en])