DE163168C - - Google Patents

Info

Publication number
DE163168C
DE163168C DENDAT163168D DE163168DA DE163168C DE 163168 C DE163168 C DE 163168C DE NDAT163168 D DENDAT163168 D DE NDAT163168D DE 163168D A DE163168D A DE 163168DA DE 163168 C DE163168 C DE 163168C
Authority
DE
Germany
Prior art keywords
call
short
plug
monitoring
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.)
Active
Application number
DENDAT163168D
Other languages
German (de)
English (en)
Publication of DE163168C publication Critical patent/DE163168C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
DENDAT163168D Active DE163168C (US20110009641A1-20110113-C00116.png)

Publications (1)

Publication Number Publication Date
DE163168C true DE163168C (US20110009641A1-20110113-C00116.png)

Family

ID=428885

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT163168D Active DE163168C (US20110009641A1-20110113-C00116.png)

Country Status (1)

Country Link
DE (1) DE163168C (US20110009641A1-20110113-C00116.png)

Similar Documents

Publication Publication Date Title
DE163168C (US20110009641A1-20110113-C00116.png)
DE455931C (de) Schaltungsanordnung fuer Fernsprechanlagen
DE409721C (de) Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb und Anschlussleitungenverschiedener Wertigkeit
DE222228C (US20110009641A1-20110113-C00116.png)
DE238751C (US20110009641A1-20110113-C00116.png)
DE124253C (US20110009641A1-20110113-C00116.png)
DE250971C (US20110009641A1-20110113-C00116.png)
DE228089C (US20110009641A1-20110113-C00116.png)
DE143668C (US20110009641A1-20110113-C00116.png)
DE133973C (US20110009641A1-20110113-C00116.png)
DE112198C (US20110009641A1-20110113-C00116.png)
DE216890C (US20110009641A1-20110113-C00116.png)
DE163853C (US20110009641A1-20110113-C00116.png)
DE208837C (US20110009641A1-20110113-C00116.png)
DE194299C (US20110009641A1-20110113-C00116.png)
DE150660C (US20110009641A1-20110113-C00116.png)
DE123710C (US20110009641A1-20110113-C00116.png)
DE260706C (US20110009641A1-20110113-C00116.png)
DE323196C (US20110009641A1-20110113-C00116.png)
DE110627C (US20110009641A1-20110113-C00116.png)
DE148339C (US20110009641A1-20110113-C00116.png)
DE199320C (US20110009641A1-20110113-C00116.png)
DE195496C (US20110009641A1-20110113-C00116.png)
DE244039C (US20110009641A1-20110113-C00116.png)
DE81043C (US20110009641A1-20110113-C00116.png)