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 (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
DE174543C true DE174543C (cg-RX-API-DMAC7.html)

Family

ID=439271

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT174543D Active DE174543C (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
DE (1) DE174543C (cg-RX-API-DMAC7.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

Similar Documents

Publication Publication Date Title
DE181293C (cg-RX-API-DMAC7.html)
DE942871C (de) Automatische Alarmanlage gegen Einbruch und Fueer
DE182377C (cg-RX-API-DMAC7.html)
DE165081C (cg-RX-API-DMAC7.html)
AT36959B (de) Tragbare Fernsprechvorrichtung.
DE112198C (cg-RX-API-DMAC7.html)
AT150510B (de) Schaltungsanordnung für an ein Fernsprechnetz angeschlossene Notrufmelder.
DE148236C (cg-RX-API-DMAC7.html)
DE94897C (cg-RX-API-DMAC7.html)
DE930075C (de) Fernsteuerungsempfaenger fuer Tonfrequenzsysteme
DE205343C (cg-RX-API-DMAC7.html)
DE375952C (de) Schaltungsanordnung fuer die Rufeinrichtung eines Zwischenverstaerkeramtes
DE308166C (cg-RX-API-DMAC7.html)
DE123710C (cg-RX-API-DMAC7.html)
DE182053C (cg-RX-API-DMAC7.html)
DE165435C (cg-RX-API-DMAC7.html)
DE196843C (cg-RX-API-DMAC7.html)
DE162406C (cg-RX-API-DMAC7.html)
DE104080C (cg-RX-API-DMAC7.html)
DE193071C (cg-RX-API-DMAC7.html)
DE150660C (cg-RX-API-DMAC7.html)
DE83397C (cg-RX-API-DMAC7.html)
DE164887C (cg-RX-API-DMAC7.html)
DE369712C (de) Umschaltsystem fuer drahtlose Telephonie
DE206985C (cg-RX-API-DMAC7.html)