NO963203L - Döråpningsanlegg - Google Patents

Döråpningsanlegg

Info

Publication number
NO963203L
NO963203L NO963203A NO963203A NO963203L NO 963203 L NO963203 L NO 963203L NO 963203 A NO963203 A NO 963203A NO 963203 A NO963203 A NO 963203A NO 963203 L NO963203 L NO 963203L
Authority
NO
Norway
Prior art keywords
door
wire
call
call point
door call
Prior art date
Application number
NO963203A
Other languages
English (en)
Other versions
NO963203D0 (no
Inventor
Klaus Dieter Dihlmann
Original Assignee
Deutsche Telekom Ag
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 date
Application filed by Deutsche Telekom Ag filed Critical Deutsche Telekom Ag
Publication of NO963203D0 publication Critical patent/NO963203D0/no
Publication of NO963203L publication Critical patent/NO963203L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/025—Door telephones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

Dørsamtaleanlegg, som muliggjør en toveis kommunikasjon mellom et dørsamtalested (30) og et telefonapparat, som er tilsluttet ved en deltager anropt fra døråpnesamtalestedet (30). Anlegget innbefatter et TK-anlegg (10) med et totråds-grensesnitt Inneholdende minst et telefonapparat som kan kobles til TK-anlegget (10). Det er anordnet minst en dørsamtalested (30) med et firetråds-grensesnitt og en tilpasnlngsmodul (40) med en totråd-firetråds-omformingsinnretning (50), over hvilken dørsamtalestedet (30) er koblbart til TK-anlegget (10).
NO963203A 1995-09-18 1996-07-31 Döråpningsanlegg NO963203L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1995134539 DE19534539C1 (de) 1995-09-18 1995-09-18 Türfreisprechanlage

Publications (2)

Publication Number Publication Date
NO963203D0 NO963203D0 (no) 1996-07-31
NO963203L true NO963203L (no) 1997-03-19

Family

ID=7772459

Family Applications (1)

Application Number Title Priority Date Filing Date
NO963203A NO963203L (no) 1995-09-18 1996-07-31 Döråpningsanlegg

Country Status (3)

Country Link
EP (1) EP0763923A3 (no)
DE (1) DE19534539C1 (no)
NO (1) NO963203L (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19817161C2 (de) * 1998-04-17 2000-05-11 Loh Kg Ritto Werk Türsprechanlage mit einer Türstation und mehreren Wohnungssprechstellen
DE19842326A1 (de) * 1998-09-16 2000-03-23 Deutsche Telekom Ag Schaltungsvorrichtung zum gesteuerten Verbinden eines Fernsprechapparates mit einer Türfreisprecheinrichtung
DE19858571C2 (de) * 1998-12-18 2003-04-30 Deutsche Telekom Ag Schaltungsanordnung zum Verbinden einer wenigstens eine analoge Anschlußeinrichtung aufweisenden TK-Anlage mit einer Türfreisprecheinrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1910826A1 (de) * 1969-03-04 1970-09-24 Siedle & Soehne S Heimfernsprecher-Anlage fuer zwei Ruf-Sprechstellen mit einer zwei- adrigen Verbindungsleitung und einer gemeinsamen Gleichstromquelle
US4731821A (en) * 1986-11-13 1988-03-15 Jackson Iii Thomas H Single wire telephone intercommunication system
DE3710091A1 (de) * 1987-03-27 1988-10-13 Siedle & Soehne S Sprech-, laeut- und oeffneranlage
AT393425B (de) * 1988-08-11 1991-10-25 Leitner Helmut Ing Vorrichtung zum automatischen aufbau einer telefonverbindung zu zumindest einer durch programmierung vorzubestimmenden zielrufnummer
DE4236565C2 (de) * 1992-10-29 1997-01-30 Deutsche Telekom Ag Türfreisprechanlage

Also Published As

Publication number Publication date
NO963203D0 (no) 1996-07-31
EP0763923A2 (de) 1997-03-19
DE19534539C1 (de) 1997-01-30
EP0763923A3 (de) 2003-07-02

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