DE174543C - - Google Patents

Info

Publication number
DE174543C
DE174543C DENDAT174543D DE174543DA DE174543C DE 174543 C DE174543 C DE 174543C DE NDAT174543 D DENDAT174543 D DE NDAT174543D DE 174543D A DE174543D A DE 174543DA DE 174543 C DE174543 C DE 174543C
Authority
DE
Germany
Prior art keywords
lines
switch
receiver
current
springs
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
DENDAT174543D
Other languages
German (de)
English (en)
Publication of DE174543C publication Critical patent/DE174543C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges
    • H04M5/12—Calling substations, e.g. by ringing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
DENDAT174543D Active DE174543C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE174543C true DE174543C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=439271

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT174543D Active DE174543C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE174543C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154469A (en) * 1991-06-26 1992-10-13 Morrow Floyd L Mobile, multiuse, expandable rooms

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154469A (en) * 1991-06-26 1992-10-13 Morrow Floyd L Mobile, multiuse, expandable rooms

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