CS178191A3 - Communication system - Google Patents

Communication system

Info

Publication number
CS178191A3
CS178191A3 CS911781A CS178191A CS178191A3 CS 178191 A3 CS178191 A3 CS 178191A3 CS 911781 A CS911781 A CS 911781A CS 178191 A CS178191 A CS 178191A CS 178191 A3 CS178191 A3 CS 178191A3
Authority
CS
Czechoslovakia
Prior art keywords
bidirectional
modem
exchange
subscribers
demultiplexer
Prior art date
Application number
CS911781A
Other languages
English (en)
Inventor
Wilfried Dipl Ing Kausel
Hannes Kremser
Hermann Stallbaumer
Original Assignee
Semcotec Handel
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 Semcotec Handel filed Critical Semcotec Handel
Publication of CS178191A3 publication Critical patent/CS178191A3/cs
Publication of CZ281443B6 publication Critical patent/CZ281443B6/cs

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/18—Time-division multiplex systems using frequency compression and subsequent expansion of the individual signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/068—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using time division multiplex techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Control (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Transmitters (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Radio Relay Systems (AREA)
  • Telephone Set Structure (AREA)
  • Radio Transmission System (AREA)
  • Eye Examination Apparatus (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
CS911781A 1990-06-13 1991-06-11 Sdělovací systém CZ281443B6 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0128690A AT396535B (de) 1990-06-13 1990-06-13 Nachrichtenübertragungssystem, insbesondere telefonsystem

Publications (2)

Publication Number Publication Date
CS178191A3 true CS178191A3 (en) 1992-04-15
CZ281443B6 CZ281443B6 (cs) 1996-10-16

Family

ID=3510603

Country Status (12)

Country Link
EP (1) EP0533755B2 (cs)
AT (2) AT396535B (cs)
BG (1) BG43Y1 (cs)
CZ (1) CZ281443B6 (cs)
DE (1) DE59108545D1 (cs)
GR (2) GR3023369T3 (cs)
HU (1) HU213436B (cs)
PL (1) PL168636B1 (cs)
RU (1) RU2108683C1 (cs)
SK (1) SK279649B6 (cs)
WO (1) WO1991020141A1 (cs)
ZA (1) ZA914518B (cs)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT399071B (de) * 1992-10-27 1995-03-27 Semcotec Handel Nachrichtenübertragungssystem, insbesondere telefonsystem
DE4334004A1 (de) * 1993-10-06 1995-04-13 Hoechst Ag Aramidfasern hoher Festigkeit und hohen Titers, Verfahren zu deren Herstellung sowie deren Verwendung
DE29605533U1 (de) * 1996-03-14 1997-07-17 Elmeg Gmbh Kommunikationstechnik, 31228 Peine Schnittstellenwandler
AT408297B (de) * 1997-08-19 2001-10-25 Ericsson Austria Ag Nachrichtenübertragungssystem, insbesondere telephonsystem
RU2185038C2 (ru) * 1999-12-16 2002-07-10 Бахрах Вадим Лазаревич Способ установления связи по коммутируемой сети для абонентских приборов одного абонентского номера с избираемым прибором другого абонентского номера и устройство для его осуществления
BG1170U1 (bg) * 2008-07-22 2009-03-31 Сд "Елта - Р - Ченкин И С-Ие" Система за предаване на съобщения

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021619A (en) * 1974-06-10 1977-05-03 The Post Office Improved digital telephone and switching system employing time division multiplex pulse code modulation
JPS5731247A (en) * 1980-08-01 1982-02-19 Hitachi Ltd Multiplexing tramsmission system
CA1211241A (en) * 1984-04-30 1986-09-09 Joseph W. Hingston Line feed circuit for a digital signal loop
US4750169A (en) * 1985-03-12 1988-06-07 Pacific Bell Telephone system and method for transmitting digital information
JP2713883B2 (ja) * 1986-02-07 1998-02-16 株式会社日立製作所 時分割交換機
EP0238908A1 (de) * 1986-03-19 1987-09-30 Siemens Aktiengesellschaft Kryosorptionspumpe für ein thermisches Isoliervakuum im Läufer einer elektrischen Maschine mit supraleitender Erregerwicklung
DE3609889A1 (de) * 1986-03-24 1987-10-08 Siemens Ag Schaltungsanordnung fuer fernmeldevermittlungsanlagen, insbesondere pcm-fernsprechvermittlungsanlagen mit konzentratoren
US4769833A (en) * 1986-03-31 1988-09-06 American Telephone And Telegraph Company Wideband switching system
DE3708975A1 (de) * 1987-03-19 1988-10-06 Kabelmetal Electro Gmbh Schaltungsanordnung zur uebertragung nachrichtentechnischer signale

Also Published As

Publication number Publication date
ATE148968T1 (de) 1997-02-15
HU213436B (en) 1997-06-30
HU9203723D0 (en) 1993-04-28
EP0533755B2 (de) 2000-08-02
ZA914518B (en) 1992-04-29
RU2108683C1 (ru) 1998-04-10
WO1991020141A1 (de) 1991-12-26
DE59108545D1 (de) 1997-03-27
BG43Y1 (en) 1996-07-31
SK279649B6 (sk) 1999-01-11
GR3034692T3 (en) 2001-01-31
PL168636B1 (pl) 1996-03-29
AT396535B (de) 1993-10-25
EP0533755B1 (de) 1997-02-12
CZ281443B6 (cs) 1996-10-16
EP0533755A1 (de) 1993-03-31
ATA128690A (de) 1993-01-15
GR3023369T3 (en) 1997-08-29
HUT62426A (en) 1993-04-28

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Legal Events

Date Code Title Description
IF00 In force as of 2000-06-30 in czech republic
MM4A Patent lapsed due to non-payment of fee

Effective date: 20020611