DE181811C - - Google Patents

Info

Publication number
DE181811C
DE181811C DE1906181811D DE181811DA DE181811C DE 181811 C DE181811 C DE 181811C DE 1906181811 D DE1906181811 D DE 1906181811D DE 181811D A DE181811D A DE 181811DA DE 181811 C DE181811 C DE 181811C
Authority
DE
Germany
Prior art keywords
connection
switch
subscriber
line
relay
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.)
Expired - Lifetime
Application number
DE1906181811D
Other languages
German (de)
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication of DE181811C publication Critical patent/DE181811C/de
Application filed filed Critical
Priority to AT30245D priority Critical patent/AT30245B/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
DE1906181811D 1906-01-27 1906-01-27 Expired - Lifetime DE181811C (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT30245D AT30245B (de) 1906-01-27 1907-02-23 Schaltungsanordnung für Fernsprechanlagen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE181811T 1906-01-27

Publications (1)

Publication Number Publication Date
DE181811C true DE181811C (enrdf_load_stackoverflow)

Family

ID=5717818

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1906181811D Expired - Lifetime DE181811C (enrdf_load_stackoverflow) 1906-01-27 1906-01-27

Country Status (2)

Country Link
DE (1) DE181811C (enrdf_load_stackoverflow)
FR (1) FR373844A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR373844A (fr) 1907-05-28

Similar Documents

Publication Publication Date Title
DE181811C (enrdf_load_stackoverflow)
DE245733C (enrdf_load_stackoverflow)
DE112198C (enrdf_load_stackoverflow)
DE147905C (enrdf_load_stackoverflow)
DE155531C (enrdf_load_stackoverflow)
DE117996C (enrdf_load_stackoverflow)
DE110627C (enrdf_load_stackoverflow)
DE193893C (enrdf_load_stackoverflow)
DE612270C (de) Telegraphenfernvermittlungssystem, bei dem die Orsverbindungen mittels Tonfrequenz ueber Fernsprechleitungen und die Fernverbindungen unter Zweischenschaltung von Umsetzerschaltungen ueber normale Telegraphenkanaele betrieben werden
DE110626C (enrdf_load_stackoverflow)
DE130057C (enrdf_load_stackoverflow)
DE196729C (enrdf_load_stackoverflow)
DE217224C (enrdf_load_stackoverflow)
DE110901C (enrdf_load_stackoverflow)
DE212662C (enrdf_load_stackoverflow)
DE156738C (enrdf_load_stackoverflow)
DE536090C (de) Fernsprechanlage fuer Gesellschaftsanschluesse mit Wahrung des Gespraechsgeheimnisses
DE202372C (enrdf_load_stackoverflow)
DE134270C (enrdf_load_stackoverflow)
DE124253C (enrdf_load_stackoverflow)
DE139463C (enrdf_load_stackoverflow)
DE168793C (enrdf_load_stackoverflow)
DE559260C (de) Schaltungsanordnung fuer Fernsprechanlagen
DE233365C (enrdf_load_stackoverflow)
DE157931C (enrdf_load_stackoverflow)