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 (sv)

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 (sv)

Family

ID=5717818

Family Applications (1)

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

Country Status (2)

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

Also Published As

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

Similar Documents

Publication Publication Date Title
DE181811C (sv)
DE245733C (sv)
DE112198C (sv)
DE147905C (sv)
DE155531C (sv)
DE117996C (sv)
DE110627C (sv)
DE193893C (sv)
DE612270C (de) Telegraphenfernvermittlungssystem, bei dem die Orsverbindungen mittels Tonfrequenz ueber Fernsprechleitungen und die Fernverbindungen unter Zweischenschaltung von Umsetzerschaltungen ueber normale Telegraphenkanaele betrieben werden
DE110626C (sv)
DE130057C (sv)
DE196729C (sv)
DE217224C (sv)
DE110901C (sv)
DE212662C (sv)
DE156738C (sv)
DE536090C (de) Fernsprechanlage fuer Gesellschaftsanschluesse mit Wahrung des Gespraechsgeheimnisses
DE202372C (sv)
DE134270C (sv)
DE124253C (sv)
DE139463C (sv)
DE168793C (sv)
DE233365C (sv)
DE157931C (sv)
DE203954C (sv)