DE868927C - Intercom - Google Patents

Intercom

Info

Publication number
DE868927C
DE868927C DEL6482A DEL0006482A DE868927C DE 868927 C DE868927 C DE 868927C DE L6482 A DEL6482 A DE L6482A DE L0006482 A DEL0006482 A DE L0006482A DE 868927 C DE868927 C DE 868927C
Authority
DE
Germany
Prior art keywords
buttons
reversing
contacts
intercom
turn
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
DEL6482A
Other languages
German (de)
Inventor
Heinrich Dipl-Ing Bodenschatz
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs 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
Priority claimed from DEL1878A external-priority patent/DE849428C/en
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to DEL6482A priority Critical patent/DE868927C/en
Application granted granted Critical
Publication of DE868927C publication Critical patent/DE868927C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/001Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Description

Wechsellautspriechanlagen sind besonders von großer praktischer Bedeutung, wo einzelne Teilnehmer nicht an einen festen Arbeitsplatz gebunden sind, wie z. B. in einem Lager zwischen Regalreihen, in einem Stellwerk der Eisenbahn, größeren Schaltwarten u. dgl. In dem Patent 849 4:28 ist eine Wechsellautsprechanlage beschrieben, die besonders für diese Bedürfnisse zugeschnitten ist; der Sprechende braucht hierbei nicht ständig eine Taste niedergedrückt zu halten, sondern ein kurzer Druck auf die Sprechwendetaste genügt, um die Durchlaßrichtung der Verstärker umzukehren. Der Sprechende kann sich dann frei im Raum bewegen und das Gespräch weiterführen. Beim praktischen Betrieb dieseer Anlage hat sich nun' gezeigt, daß der erstrebte Zweck insofern noch nicht vollständig erreicht ist, als nach einer.Unterbrechung des Gesprächs,durch eine Zwischenbemerkung des.Angesprochenen der Teilnehmer immer wieder zum Ap- parat zurückkehren muß, um kurzzeitig die Sprechwendetaste zu drücken.Alternating loudspeaker systems are particularly of great practical importance where individual participants are not tied to a fixed workplace, such as B. in a warehouse between rows of shelves, in a railway signal box, larger control rooms and the like. the speaker does not need to keep a key depressed; a short press of the turn button is sufficient to reverse the direction of the amplifier. The speaker can then move freely in the room and continue the conversation. In the practical operation of this system it has now been shown that the intended purpose has not yet been fully achieved, as after an interruption of the conversation, the participant must repeatedly return to the device through an intermediate remark by the person addressed to briefly Press the turn button.

Zur Vermeidung dieses Nachteils wird gemäß der Erfindung die zu solchen Teilnehmern gehörende SprecJiwendetaste nicht nur einmal am Apparat, sondern mehrfach an geeigneten Stellen des Rauines vorteilhaft anzeordnet. Die verschiedenen WendetastenWT, WTb, WT# .... sind dabei so geschaltet, daß es für die Ausführung der von der Wendetaste auszulösenden Schaltmaßnahmen gleichgültig ist, welche der verschiedenen Wendetasten niedergedrückt werden.In order to avoid this disadvantage, according to the invention, the speech reversing key belonging to such subscribers is advantageously arranged not only once on the device, but several times at suitable points in the room. The various turning keys WT, WTb, WT # .... are switched in such a way that it does not matter which of the various turning keys are pressed for the execution of the switching measures to be triggered by the turning key.

In vielen Fällen hat die Wendetaste nicht nur einen, sondern mehrere Kontakte, die sowohl Ruheals auch Arbeitskontakte oder Umschaltekontakte sein können. Die Vielfachschhltung- der verschiedenen Wendetasten erfolgt dann so, daß die Arbeitskontakte der verschiedenen zur gleichen Sprechstelle gehörenden Wendetasten parallel und die Ruhekontakte in Reihe geschaltet werden. Bei den Umschaltekontakten muß eine sinngemäße Reihenparallelschaltung stattfinden.In many cases, the turn button has not just one, but several Contacts that can be both normally closed and normally open contacts or changeover contacts. The multiple switching of the various reversing buttons is then carried out in such a way that the normally open contacts of the different turn buttons belonging to the same call station parallel and the normally closed contacts are connected in series. The changeover contacts must have a analog series parallel connection take place.

In der -Zeichnung ist ein Ausführungsbeispiel ,--einäß des Erfindungsgedankens dargestellt, bei der zu einer Sprechstelle drei Wendetasten WT,4, WTB und WTc in der angegebenen Weise vielfach geschaltet sind. Die Arbeitskontakte WTA', WTB'und TVT'c', welche + mit Si verbinden, liegen parallel zueinander. Die Umschaltekontakte WTA", TVT,9"' und WTC", die bei Betätigung die Verbindung zwischen S, und S3 öffnen und S., an + legen, sind entsprechend parallel und in Reihe geschaltet.In the drawing, an embodiment is shown - one of the inventive concept, in which three turn buttons WT, 4, WTB and WTc are switched multiple times in the specified manner for a speech station. The working contacts WTA ', WTB' and TVT'c ', which connect + to Si, are parallel to each other. The changeover contacts WTA ", TVT, 9"'and WTC ", which when actuated open the connection between S, and S3 and connect S., to + , are connected accordingly in parallel and in series.

Es ist ersichtlich, daß in der gleichen Weise weitere Wendetasten angeordnet sein können und daß auch,die Schaltung in entsprechender Weise erweitert werden kann, wenn durch jede Wendetaste je itach der gewählten Schaltung mehr als zwei Kontakte betätigt werden müssen.It can be seen that further reversing buttons can be arranged in the same way and that the circuit can also be expanded in a corresponding manner if more than two contacts have to be actuated by each reversing button, depending on the selected circuit.

Claims (2)

PATENTANSPRÜCHE- i. Wechsellautsprechanlage nach Patent 849 428, dadurch gekennzeichnet, daß zu einer Teilnehmerstation mehrere an verschiedenen Stellen des Raumes verteilte Wendetasten vorgesehen und in der Weise vielfach geschaltet sind, daß es zur Auslösung der durch die Wendetaste auszulösenden Schaltmaßnahnien gleichgültig ist, welche der Wendetasten betätigt werden. PATENT CLAIMS- i. Interchangeable loudspeaker system according to patent 849 428, characterized in that a subscriber station is provided with a number of reversing buttons distributed at different points in the room and switched in such a way that it does not matter which of the reversing buttons are actuated to trigger the switching measures to be triggered by the reversing button. 2. Wechsellautsprechanlage nach Anspruch i, dadurch gekennzeichnet, daß die Arbeitskon--takte der verschiedenen zu ein-er Sprechstelle gehörenden Wendetasten parallel und die Ruhekontakte der Wendetasten in Reihe geschaltet sind.2. Intercom according to claim i, characterized in that the working contacts of the various the turn buttons belonging to one intercom station and the normally closed contacts of the Turn buttons are connected in series.
DEL6482A 1950-04-29 1950-12-05 Intercom Expired DE868927C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEL6482A DE868927C (en) 1950-04-29 1950-12-05 Intercom

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEL1878A DE849428C (en) 1950-04-29 1950-04-29 Intercom
DEL6482A DE868927C (en) 1950-04-29 1950-12-05 Intercom

Publications (1)

Publication Number Publication Date
DE868927C true DE868927C (en) 1953-03-02

Family

ID=25984936

Family Applications (1)

Application Number Title Priority Date Filing Date
DEL6482A Expired DE868927C (en) 1950-04-29 1950-12-05 Intercom

Country Status (1)

Country Link
DE (1) DE868927C (en)

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