NO920905L - Tastestyrt hoeyttalende telefonanlegg med linjevalg - Google Patents

Tastestyrt hoeyttalende telefonanlegg med linjevalg

Info

Publication number
NO920905L
NO920905L NO92920905A NO920905A NO920905L NO 920905 L NO920905 L NO 920905L NO 92920905 A NO92920905 A NO 92920905A NO 920905 A NO920905 A NO 920905A NO 920905 L NO920905 L NO 920905L
Authority
NO
Norway
Prior art keywords
central station
signals
key
busy
line selection
Prior art date
Application number
NO92920905A
Other languages
English (en)
Other versions
NO307729B1 (no
NO920905D0 (no
Inventor
Friedrich Schulte
Martin Kemmerling
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of NO920905D0 publication Critical patent/NO920905D0/no
Publication of NO920905L publication Critical patent/NO920905L/no
Publication of NO307729B1 publication Critical patent/NO307729B1/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/008—Multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Telephone Set Structure (AREA)
NO920905A 1991-03-09 1992-03-06 Tastestyrt høyttalende telefonanlegg med linjevalg NO307729B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4107591A DE4107591C1 (no) 1991-03-09 1991-03-09

Publications (3)

Publication Number Publication Date
NO920905D0 NO920905D0 (no) 1992-03-06
NO920905L true NO920905L (no) 1992-09-10
NO307729B1 NO307729B1 (no) 2000-05-15

Family

ID=6426863

Family Applications (1)

Application Number Title Priority Date Filing Date
NO920905A NO307729B1 (no) 1991-03-09 1992-03-06 Tastestyrt høyttalende telefonanlegg med linjevalg

Country Status (5)

Country Link
EP (1) EP0503412B1 (no)
AT (1) ATE175830T1 (no)
DE (2) DE4107591C1 (no)
ES (1) ES2127733T3 (no)
NO (1) NO307729B1 (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19523980C1 (de) * 1995-06-30 1997-01-02 Nca Mikroelektronic Gmbh Verfahren zur Überwachung von Objekten über eine Datenfernübertragungsleitung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2837950C2 (de) * 1978-08-31 1986-11-13 Neumann Elektronik GmbH, 4330 Mülheim Vermittlungseinrichtung für eine tastengesteuerte Wechsel-, Gegen- oder Lautsprechanlage
DE3000858C2 (de) * 1980-01-11 1986-11-13 Neumann Elektronik GmbH, 4330 Mülheim Tastengesteuerte Wechsel-, Gegen- oder Lautsprechanlage
DE3214656C2 (de) * 1982-04-21 1985-02-14 ANT Nachrichtentechnik GmbH, 7150 Backnang Steuereinrichtung für eine Sprechanlage
JPS6482794A (en) * 1987-09-24 1989-03-28 Nec Corp Digital key telephone set
US4850011A (en) * 1988-01-13 1989-07-18 Redcom Laboratories, Inc. Key telephone system providing selection of key or PBX operational modes
US4873717A (en) * 1988-06-14 1989-10-10 American Telephone And Telegraph Company, At&T Bell Laboratories Call coverage arrangement
EP0471877B1 (de) * 1990-08-23 1994-10-26 Siemens Aktiengesellschaft Digitale Fernsprecheinrichtung

Also Published As

Publication number Publication date
NO307729B1 (no) 2000-05-15
EP0503412A2 (de) 1992-09-16
DE59209612D1 (de) 1999-02-25
DE4107591C1 (no) 1992-03-05
EP0503412A3 (en) 1995-07-19
EP0503412B1 (de) 1999-01-13
ES2127733T3 (es) 1999-05-01
NO920905D0 (no) 1992-03-06
ATE175830T1 (de) 1999-01-15

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Legal Events

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