DE237798C - - Google Patents

Info

Publication number
DE237798C
DE237798C DENDAT237798D DE237798DA DE237798C DE 237798 C DE237798 C DE 237798C DE NDAT237798 D DENDAT237798 D DE NDAT237798D DE 237798D A DE237798D A DE 237798DA DE 237798 C DE237798 C DE 237798C
Authority
DE
Germany
Prior art keywords
relay
line
signal
socket
current
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
DENDAT237798D
Other languages
German (de)
English (en)
Publication of DE237798C publication Critical patent/DE237798C/de
Active 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)
  • Interface Circuits In Exchanges (AREA)
DENDAT237798D Active DE237798C (forum.php)

Publications (1)

Publication Number Publication Date
DE237798C true DE237798C (forum.php)

Family

ID=497372

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT237798D Active DE237798C (forum.php)

Country Status (1)

Country Link
DE (1) DE237798C (forum.php)

Similar Documents

Publication Publication Date Title
DE237798C (forum.php)
DE701022C (de) Schaltungsanordnung fuer Fernsprechanlagen mit Waecht erreichbare Leitungen umgeschaltet werden
DE237525C (forum.php)
DE151623C (forum.php)
DE218782C (forum.php)
DE186174C (forum.php)
DE196729C (forum.php)
DE110901C (forum.php)
DE202372C (forum.php)
DE167704C (forum.php)
DE155531C (forum.php)
DE257961C (forum.php)
DE150660C (forum.php)
DE186776C (forum.php)
DE235301C (forum.php)
DE112198C (forum.php)
DE143668C (forum.php)
DE191345C (forum.php)
DE196921C (forum.php)
DE233365C (forum.php)
DE419479C (de) Schaltungsanordnung fuer Fernsprechanlagen
DE186053C (forum.php)
DE874461C (de) Schaltungsanordnung fuer Fernsprechanlagen mit Handbetrieb
DE212644C (forum.php)
DE243464C (forum.php)