FR2422295A1 - Modulateur-demodulateur de donnees - Google Patents

Modulateur-demodulateur de donnees

Info

Publication number
FR2422295A1
FR2422295A1 FR7908751A FR7908751A FR2422295A1 FR 2422295 A1 FR2422295 A1 FR 2422295A1 FR 7908751 A FR7908751 A FR 7908751A FR 7908751 A FR7908751 A FR 7908751A FR 2422295 A1 FR2422295 A1 FR 2422295A1
Authority
FR
France
Prior art keywords
demodulator
line
telephone
modulator
data
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.)
Withdrawn
Application number
FR7908751A
Other languages
English (en)
French (fr)
Inventor
Albert Norz
Siegfried Schmoll
Manfred Wiegel
Gerhard Ebinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2422295A1 publication Critical patent/FR2422295A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/08—Telephonic communication systems specially adapted for combination with other electrical systems specially adapted for optional reception of entertainment or informative matter
    • H04M11/085—Telephonic communication systems specially adapted for combination with other electrical systems specially adapted for optional reception of entertainment or informative matter using a television receiver, e.g. viewdata system

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Television Systems (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR7908751A 1978-04-06 1979-04-06 Modulateur-demodulateur de donnees Withdrawn FR2422295A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782814837 DE2814837C2 (de) 1978-04-06 1978-04-06 Datenmodem, insbesondere für Bildschirmtextbetrieb

Publications (1)

Publication Number Publication Date
FR2422295A1 true FR2422295A1 (fr) 1979-11-02

Family

ID=6036280

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7908751A Withdrawn FR2422295A1 (fr) 1978-04-06 1979-04-06 Modulateur-demodulateur de donnees

Country Status (6)

Country Link
AT (1) AT376533B (de)
AU (1) AU4548979A (de)
BE (1) BE883286A (de)
DE (1) DE2814837C2 (de)
FR (1) FR2422295A1 (de)
GB (1) GB2019162B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7905052A (nl) * 1979-06-28 1980-12-30 Nederlanden Staat Stelsel voor het op een afstand beproeven van een modem met een van elkaar verschillende zend- en ontvangsnelheid.
DE2931464C2 (de) * 1979-08-02 1981-10-08 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum Anschließen einer Übertragungseinrichtung eines Modems an eine Fernsprechleitung
DE2931435C2 (de) * 1979-08-02 1981-10-01 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum Anschalten eines Modems an eine Fernsprechleitung
GR74364B (de) * 1980-07-03 1984-06-28 Post Office
DE3028236A1 (de) * 1980-07-25 1982-03-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zum auf- bzw. abbau einer datenverbindung
FR2487610A1 (fr) * 1980-07-26 1982-01-29 Telephonie Ind Commerciale Dispositif de detection de non-raccrochage d'un poste telephonique
DE3325676A1 (de) * 1983-07-15 1985-01-24 Hagenuk GmbH, 2300 Kiel Schaltungsanordnung zum anschliessen eines mit einem modem verbundenen datenendgeraetes und einer automatischen waehleinrichtung an eine anschlussleitung einer waehlvermittlungsanlage, insbesondere einer fernsprech-waehlvermittlungsanlage
US5125077A (en) * 1983-11-02 1992-06-23 Microsoft Corporation Method of formatting data from a mouse
DE3347047C2 (de) * 1983-12-24 1986-06-05 Loewe Opta Gmbh, 8640 Kronach Telefoneinrichtung mit einem Teilnehmergerät mit einem Decoder zum Abfragen und Darstellen von Informationen auf einem Bildschirm, zum Eingeben von Antworten und zum Erzeugen von Nachrichten digitalcodierter Art
GB2154393A (en) * 1984-02-16 1985-09-04 Standard Telephones Cables Ltd Telephone subscriber's apparatus
US5007253A (en) * 1988-03-25 1991-04-16 Thomas Rahner Portable lace clipping and shearing apparatus for synchronous operation with a lace-knitting machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962546A (en) * 1973-12-13 1976-06-08 Ricoh Co., Ltd. Malfunction detection and changeover apparatus for data communications system
DE2719827A1 (de) * 1977-05-04 1978-11-09 Licentia Gmbh System zur auswahl und wiedergabe von bildschirmtext

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962546A (en) * 1973-12-13 1976-06-08 Ricoh Co., Ltd. Malfunction detection and changeover apparatus for data communications system
DE2719827A1 (de) * 1977-05-04 1978-11-09 Licentia Gmbh System zur auswahl und wiedergabe von bildschirmtext

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FUNKSCHAU, vol.49, no.18, août 1977, MUNICH (DE) *

Also Published As

Publication number Publication date
GB2019162B (en) 1982-03-31
AU4548979A (en) 1979-10-18
GB2019162A (en) 1979-10-24
ATA252679A (de) 1984-04-15
DE2814837B1 (de) 1979-05-17
AT376533B (de) 1984-11-26
BE883286A (fr) 1980-11-14
DE2814837C2 (de) 1980-01-10

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Legal Events

Date Code Title Description
ST Notification of lapse