DE301083C - - Google Patents

Info

Publication number
DE301083C
DE301083C DENDAT301083D DE301083DA DE301083C DE 301083 C DE301083 C DE 301083C DE NDAT301083 D DENDAT301083 D DE NDAT301083D DE 301083D A DE301083D A DE 301083DA DE 301083 C DE301083 C DE 301083C
Authority
DE
Germany
Prior art keywords
line
telephone line
connection
extension
lever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DENDAT301083D
Other languages
German (de)
English (en)
Publication of DE301083C publication Critical patent/DE301083C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/68—Circuit arrangements for preventing eavesdropping
    • H04M1/70—Lock-out or secrecy arrangements in party-line systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
DENDAT301083D Active DE301083C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE301083T

Publications (1)

Publication Number Publication Date
DE301083C true DE301083C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=6097847

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT297265D Active DE297265C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DENDAT301083D Active DE301083C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DENDAT297265D Active DE297265C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (2) DE301083C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
DE297265C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Similar Documents

Publication Publication Date Title
DE301083C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE617559C (de) Schaltungsanordnung fuer Nebenstellenanlagen
DE628706C (de) Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechnebenstellenanlagen
DE628429C (de) Schaltungsanordnung nach Patent 594302 zum Anruf von Anschlussleitungen durch eine hochwertige Verbindungen herstellende Stelle in Fernsprechanlagen mit Waehlern ohne Steuerschalter
DE545783C (de) Schaltungsanordnung fuer Anrufsucher in Fernsprechanlagen
DE123972C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE281976C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE194666C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE179605C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE690680C (de) Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen mit Gesellschaftsleitungen
DE588270C (de) Muenzfernsprecher fuer Fernsprechanlagen mit Waehlerbetrieb
AT130565B (de) Schaltungsanordnung für Fernsprechanlagen mit Relaiswählern.
DE260706C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE267985C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE583068C (de) Schaltungsanordnung fuer Fernsprechanlagen
DE576987C (de) Schaltungsanordnung fuer Vorwaehler in Fernsprechanlagen
DE160171C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE281974C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE176833C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE184960C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE182953C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE79914C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE662340C (de) Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb
DE282918C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE196505C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)