DE3039949C2 - Message transmission device for special service traffic - Google Patents

Message transmission device for special service traffic

Info

Publication number
DE3039949C2
DE3039949C2 DE19803039949 DE3039949A DE3039949C2 DE 3039949 C2 DE3039949 C2 DE 3039949C2 DE 19803039949 DE19803039949 DE 19803039949 DE 3039949 A DE3039949 A DE 3039949A DE 3039949 C2 DE3039949 C2 DE 3039949C2
Authority
DE
Germany
Prior art keywords
special service
subscriber
connection line
traffic
transmission device
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.)
Expired
Application number
DE19803039949
Other languages
German (de)
Other versions
DE3039949A1 (en
Inventor
Wilhelm Ing.(grad.) 7150 Backnang Czansky
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.)
Robert Bosch GmbH
Original Assignee
ANT Nachrichtentechnik GmbH
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 ANT Nachrichtentechnik GmbH filed Critical ANT Nachrichtentechnik GmbH
Priority to DE19803039949 priority Critical patent/DE3039949C2/en
Publication of DE3039949A1 publication Critical patent/DE3039949A1/en
Application granted granted Critical
Publication of DE3039949C2 publication Critical patent/DE3039949C2/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/08Telephonic communication systems specially adapted for combination with other electrical systems specially adapted for optional reception of entertainment or informative matter
    • H04M11/085Telephonic 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Telephonic Communication Services (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Description

Die Erfindung betrifft eine Übertragungseinrichtung für den Sonderdienstverkehr gemäß Oberbegriff des Patentanspruchs 1. Bei der Inanspruchnahme von Sonderdiensten wie Zeitansage, Lotterie- bzw. Lotto-/ Totozahlen oder Fernsprechauftragsdienst durch einen Teilnehmer werden Fernsprechanschlußleitung und Vermittlungsstelleneinrichtungen nicht sehr lange belegt. Anders ist es bei Sonderdiensten wie Sportergebnisse, Aktienstand, Theater- bzw. Kinodienst und ähnlichen Diensten, insbesondere jedoch bei Einführung des neuen Bildschirmtextdienstes, bei denen je nach Informationshunger des Teilnehmers seine Anschlußleitung und die Eingangs- und Wahlstufen der Vermittlungsstelle mehr oder weniger lange belegt sein werden. Während der Zeit der Inanspruchnahme eines Sonderdienstes durch den Teilnehmer ist dieser, auch für wichtige Anrufe, nicht erreichbar.The invention relates to a transmission device for special service traffic according to the preamble of Claim 1. When using special services such as time announcement, lottery or lottery / Deadlines or telephone order service by a subscriber are telephone line and Exchange facilities not occupied very long. It is different with special services such as sports results, Stock status, theater or cinema service and similar services, but especially at the time of introduction of the new video text service, in which, depending on the subscriber's hunger for information, his connection line and the entry and selection levels of the exchange will be occupied for a longer or shorter period of time. During the period of use of a special service by the participant, this is also for important calls, not available.

Aufgabe der vorliegenden Erfindung war es daher, eine Einrichtung der obigen Art anzugeben, die es auf unaufwendige Art erlaubt, den Teilnehmer auch dann zu erreichen, wenn er gerade einen Sonderdienst, beispielsweise Bildschirmtextdienst, in Anspruch nimmt. Mit Hilfe dieser Einrichtung soll es auch möglich sein, daß durch den Sonderdienstverkehr Eingangs- bzw. Wahlstufen der Vermittlungsstelle, an die der Teilnehmer über die Anschlußleitung angeschlossen ist, nicht oder nur ganz kurz belegt werden.The object of the present invention was therefore to provide a device of the above type that it Inexpensive type allows the subscriber to be reached even when he is doing a special service, for example Screen text service. With the help of this facility it should also be possible that through the special service entrance or election levels of the exchange to which the subscriber connected via the connection line, cannot be used or only used for a very short time.

Die Lösung erfolgt mit den im Patentanspruch 1 angegebenen Mitteln.The solution takes place with the means specified in claim 1.

In dem Aufsatz »Some Design Considerations for Home Interactive Terminals« von Williams L. Hughes and Samuel, O. Campbell in IEEE TRANSACTIONS ON BROADCASTING, Vol. BC-17, No. 2, vom Juni 1971 auf Seite 37 bis 41 ist ein interaktives Universalheimterminal mit Bildschirmspeicher beschrieben, mit dem Bilder wiedergegeben werden können, die durch den Terminalbenutzer mittels Tastatur aufgerufen, von einer entfernten Rechnerzentrale ausgesucht und zur Ausgabe auf dem Bildschirm übertragen werden. Auf Seite 41, linke Spalte, letzter Absatz wird der Vorschlag gemacht für die Tastatursignale eine Telefonleitung zu benutzen, wobei die Tastatursignale über das Sprachband gehoben werden sollten, so daß ejne gleichzeitige Ausnutzung der Telefonleitung für Gespräche und Heimterminalretourdaten möglich istIn the essay "Some Design Considerations for Home Interactive Terminals" by Williams L. Hughes and Samuel, O. Campbell in IEEE TRANSACTIONS ON BROADCASTING, Vol. BC-17, no. 2, from June 1971 on pages 37 to 41 describes an interactive universal home terminal with screen memory, with the images can be reproduced which are called up by the terminal user using the keyboard a remote computer center and transmitted for output on the screen. on On page 41, left column, last paragraph, the suggestion is made for the keyboard signals to a telephone line use, the keyboard signals should be raised above the voice band so that one simultaneous Use of the telephone line for calls and home terminal return data is possible

Bei dem genannten System sind jedoch keine näheren Angaben zur Ausführung dieses Vorschlags gemacht worden, und zum anderen handelt es sich dabei nur um die Signalübertragung von der Tastatur zur Rechnerzentrale, da die Übertragung der ausgesuchten Videobilder in Videosignalform über ein TV-Kabel (CATV) erfolgtIn the case of the system mentioned, however, no further details are given for the implementation of this proposal and on the other hand it is only about the signal transmission from the keyboard to the computer center, since the selected video images are transmitted in video signal form via a TV cable (CATV) he follows

Durch den Aufsatz »Einige Gesichtspunkte zu dienstintegrierten digitalen Fernmeldenetzen« von Gerke in telefon report 11 (1975) H 3 ist ein Fernmeldesysterr. mit Mehrfachausnutzung einer Teilnehmeranschlußleitung durch Zeit-Multiplexbildung bekanntgeworden, welches jedoch rein digital istThrough the essay "Some points of view on integrated services digital telecommunications networks" by Gerke in telefon report 11 (1975) H 3 is a telecommunications system. with multiple use of a subscriber line became known through time division multiplexing, which, however, is purely digital

In dem Aufsatz »Subscriber Carrier Techniques: Two Economical Single Channel Systems«, Electrical Communication, VoI: 50 Nr. 2, S. 101 bis 106 (1975) ist ein System beschrieben, das eine Doppelausnutzung einer Teilnehmerleitung für zwei Teilnehmer mittels einer getragenen Übertragung für den zweiten Teilnehmer erlaubtIn the article "Subscriber Carrier Techniques: Two Economical Single Channel Systems", Electrical Communication, VoI: 50 No. 2, pp. 101 to 106 (1975), a system is described which allows a subscriber line to be used twice for two subscribers by means of a carried transmission allowed for the second participant

Die deutsche Auslegeschrift 20 36 649 beschreibt eine Einrichtung zur Doppelausnutzung einer NF-betriebenen Teilnehmerleitung mittels pulsmodulierten Signalen eines zweiten Teilnehmers, die über Weichen dem NF-Band überlagert werden.The German Auslegeschrift 20 36 649 describes one Device for double use of an LF-operated subscriber line by means of pulse-modulated signals of a second participant, which are superimposed on the NF band via switches.

Durch die Erfindung ergeben sich die Vorteile, daß der Teilnehmeranschluß auch während eines Sonderdienstbetriebes nicht blockiert wird, daß damit die Vermittlungsstelleneinrichtungen entlastet werden und daß die Teilnehmerstelleneinrichtung für den Sonderdienstverkehr weniger Aufwand erfordert, da die Wahlprozedur entfällt. Mit dem Wegfall der relativ langsamen Wahlprozedur wird die Wartezeit bis zur Herstellung einer Sonderdienstverbindung so klein, daß der Teilnehmer sie nicht mehr wahrnehmen kann, wodurch die Benutzung der Sonderdienste noch mehr Anziehungskräfte entwickeln werden.The invention has the advantages that the subscriber line can also be used during a special service operation is not blocked so that the switching centers are relieved and that the subscriber station facility for the special service traffic requires less effort, since the There is no voting procedure. With the elimination of the relatively slow dialing procedure, the waiting time until Establishing a special service connection so small that the subscriber can no longer perceive it, whereby the use of the special services will develop even more attractions.

Es folgt nun die Beschreibung der Erfindung anhand der Figur, die ein Ausführungsbeispiel für den Sonderdienst Bildschirmtext zeigtThere now follows the description of the invention with reference to the figure, which shows an embodiment for the Special service screen text shows

Beim Biidschirmtext (BT)-Dienst wird nach entsprechendem Tastendruck am Fernbedienungsgerät FB durch den Teilnehmer automatisch eine Verbindung über die Teilnehmeranschlußleitung TnAL zu der . Bildschirmtextzentrale BTZ hergestellt, wonach über dieselbe Wegstrecke zurück ein Bild auf dem Bildschirm des Fernsehempfängers mit Bildschirmtextzusatz FSE-BT mit entsprechendem Aufruf zur weiteren Tastatureingabe über die Fernbedienungseinheit FB erfolgt.In the case of Biidschirmtext (BT) service , a connection via the subscriber line TnAL is automatically established by the subscriber after a corresponding key press on the remote control device FB . Screen text center BTZ produced, after which a picture on the screen of the television receiver with screen text addition FSE-BT with a corresponding call for further keyboard input via the remote control unit FB takes place over the same distance back.

Die Figur zeigt die Frequenzweiche Fi am teilnehmerseitigen und die Frequenzweiche F2 am amtsseitigen Ende der Teilnehmeranschlußleitung TnAL, über die mittels Tiefpässe der teilnehmerseitige Fernsprechapparat FeAp und die Vermittlungsstelle VSt miteinander in Verbindung treten können und über die mittels Hochpässe das teilnehmerseitige Bildschirmtextmodem BTM und das amtsseitige Modem ASM Verbindung aufnehmen können. Der Bildschirmtextmodem STM ist über eine Zweiwegleitung ZL mit dem teilnehmerseitigen Fernsehempfänger mit Bildschirmtextzusatz FSE-BT verbunden. Auf der Amtsseite istThe figure shows the crossover Fi at the subscriber side and the frequency separator F2 at the office end of the subscriber line TnAL, via which the subscriber's telephone set FeAp and the exchange VSt can connect with each other by means of low-pass filters and via which the subscriber- side teletext modem BTM and the office-side modem ASM can use high-pass filters Can connect. The video text modem STM is connected to the subscriber's television receiver with video text suffix FSE-BT via a two-way line ZL . On the official side is

erfindungsgemäß die Bildschirmtextzentrale BTZ über eine Anschlußleitung BTZAL, über eine PCM-Einrichtung PCME mit mehreren der amtsseitigen Modems ASM verbunden. Dadurch sind die Teilnehn;eranschlußleitungen TnAL doppelt und die Anschlußleitung zur Bildschirmtextzentrale BTZAL mehrfach ausgenutzt Bildschirmtextmodem BTM und amtsseitiger Gegenmodem ASM arbeiten vorteilhaft in einem Übertragungsbereich oberhalb von 16 kHz (Gebührenimpulse), wobei im Modem ASM die Bildschirmtextsignale mittels eines von der PCM-Einrichtung PCME gelieferten Taktes so aufbereitet werden, daß sie von letzterer zeitschlitzrichtig im PCM-Rahmen untergebracht werden können. According to the invention, the screen text center BTZ is connected via a connecting line BTZAL, via a PCM device PCME with several of the office-side modems ASM . As a result, the subscriber connection lines TnAL are duplicated and the connection line to the screen text center BTZAL is used several times. The screen text modem BTM and the counter-modem ASM on the office side work advantageously in a transmission range above 16 kHz (charge pulses), with the screen text signals in the ASM modem being supplied by means of one of the PCM device PCME Clocks are processed so that they can be accommodated by the latter in the correct time slot in the PCM frame.

Ein weiterer Vorteil der Erfindung ist, daß die Übertragungsgeschwindigkeit mindestens von der Bildschirmtextzentrale zum Teilnehmer hin erhöht werden kann.Another advantage of the invention is that the transmission speed at least from the screen text center can be increased towards the participant.

Weiterhin ist von Vorteil, dali die Speisung des teilnehmerseitigen Bildschirmtextmodems BTM über den Fernsehempfänger erfolgen kann, da über die Filterweiche Fl eine galvanische Trennung zur Amtsleitung erreicht wird.It is also advantageous that the subscriber's video text modem BTM can be fed via the television receiver, since galvanic separation from the exchange line is achieved via the filter filter Fl.

Die Vermittlungsstelle VSi erfährt auch dadurch eine Entlastung, daß die Abrechnung der Bildschirmtextgebühren voll von der Bildschirmtextzentrale übernommen wird.The switching center VSi also experiences a Relief that the billing of the screen text fees is fully taken over by the screen text center will.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (3)

Patentansprüche:Patent claims: 1. Nachrichtenübertragungseir.richtung für den Sonderdienstverkehr zwischen Teilnehmerstellen und einer Sonderdiensteinrichtung, die über An-Schlußleitungen mit einer Wählvermittlungsstelle verbunden sind, wobei der Verkehr in Hin- und Rückrichtung auf den Anschlußleitungen jeweils im Multiplexbetrieb erfolgt dadurch gekennzeichnet, daß der Verkehr auf der Teilnehmer- ,0 anschlußleitung (TnAL) im Frequenzmultiplex und auf der (n) Anschlußleitung(en) (BTZAL) der Sonderdiensteinrichtung im Zeitmultiplex erfolgt und daß an beiden Enden der Teilnehmeranschlußleitung (TnAL) Frequenzweichen (Fi, F2) und ]5 Modems (Mi, M2) zur Ein-/Auskopplung und Modulation bzw. Demodulation der Sonderdienstlignale vorgesehen sind.1. Telekommunikationseir.richtung for the special service traffic between subscriber stations and a special service facility, which are connected via connection lines with a dialing exchange, the traffic in the outward and return direction on the connection lines in multiplex mode, characterized in that the traffic on the subscriber , 0 connection line (TnAL) in frequency multiplex and on the (n) connection line (s) (BTZAL) of the special service facility in time division multiplex and that at both ends of the subscriber connection line (TnAL) crossovers (Fi, F2) and ] 5 modems (Mi, M 2) are provided for coupling / decoupling and modulation or demodulation of the special service signals. 2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß für die Übertragung auf der Anschlußleitung (BTZAL) der Sonderdiensteinrichtung ein PCM 30-System (PCME) vorgesehen ist2. Device according to claim 1, characterized in that a PCM 30 system (PCME) is provided for the transmission on the connection line (BTZAL) of the special service facility 3. Einrichtung nach einem der vorhergehenden Ansprüche, gekennzeichnet durch die Anwendung bei Bildschirm textdienst3. Device according to one of the preceding claims, characterized by the application at screen text service
DE19803039949 1980-10-23 1980-10-23 Message transmission device for special service traffic Expired DE3039949C2 (en)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
US5887243A (en) 1981-11-03 1999-03-23 Personalized Media Communications, L.L.C. Signal processing apparatus and methods
US7769344B1 (en) 1981-11-03 2010-08-03 Personalized Media Communications, Llc Signal processing apparatus and methods

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
FR2548494B1 (en) * 1983-06-30 1985-10-31 Horlogerie Photograph Fse COMPUTER TELEPHONE-TERMINAL ASSEMBLY WITH SINGLE DECIMAL KEYBOARD AND LOCAL SWITCHABLE POWER
JPS61158257A (en) * 1984-12-29 1986-07-17 Hashimoto Corp Telephone operating system during reception of videotex

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DE1259398B (en) * 1965-08-20 1968-01-25 Siemens Ag Method and circuit for additional message transmission on lines

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US9210370B1 (en) 1981-11-03 2015-12-08 Personalized Media Communications LLC Signal processing apparatus and methods
US9294205B1 (en) 1981-11-03 2016-03-22 Personalized Media Communications LLC Signal processing apparatus and methods
US7958527B1 (en) 1987-09-11 2011-06-07 Personalized Media Communications, Llc Signal processing apparatus and methods
US7966640B1 (en) 1987-09-11 2011-06-21 Personalized Media Communications, Llc Signal processing apparatus and methods

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