AT64682B - Circuit arrangement for automatic or semi-automatic telephone systems with group division. - Google Patents
Circuit arrangement for automatic or semi-automatic telephone systems with group division.Info
- Publication number
- AT64682B AT64682B AT64682DA AT64682B AT 64682 B AT64682 B AT 64682B AT 64682D A AT64682D A AT 64682DA AT 64682 B AT64682 B AT 64682B
- Authority
- AT
- Austria
- Prior art keywords
- circuit arrangement
- automatic
- arrangement according
- finger
- semi
- Prior art date
Links
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
Landscapes
- Telephone Set Structure (AREA)
Description
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An der Teilnehmerstel1e ist nun eine Nummernscheibe mit zwei Fingerreihen angebracht, von denen jede zur Auswahl einer Gruppe dient. Wird beispielsweise Tl aufgezogen, dann wird zunächst die Schleife bei s1 unterbrochen, darauf die Leitung a bei el vorübergehend geerdet,
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Widerstand w1 in die Leitung c1 einschaltet.
Die Auslösung erfolgt in bekannter Weise, PI wird aberregt, die Leitung C1 unterbrochen. so dass die Relais l\, TI, C und Tr stromlos werden.
Die Verbindung über den anderen Gruppenwäh1er GW2 erfolgt in entsprechender Weise durch Aufziehen der Fingerscheibe T2.
Statt der in dem Ausführungsbeispiel gezeigten Auswahlmöglichkeit unter zwei Gruppen ist beispielsweise durch Stromstosskombinationen, mehrmalige Erdung der Leitung am Nummernschalter oder ähnliche Mittel im Zusammenhang mit Schaltvorgängen im Amt auch die Möglichkeit einer Auswahl unter mehr als zwei Gruppen gegeben.
Die Einrichtung am Nummernschalter zur Auswahl der gewünschten Gruppe beim Vorbereiten der Stromstossgabe kann auf verschiedene Weise ausgeführt werden. Bei Nummernschaltern mit Fingerscheibe wird am einfachsten für jede Gruppe eine Fingerscheibe angeordnet, von denen jede mit einer Einrichtung zur Gruppenauswahl versehen ist, wobei aber der Stromstossgeber für sämt- liche Fingerscheiben gemeinsam sein kann. Es können dabei auch die Fingerscheiben für solche Verbindungen benutzt werden, bei denen keine Auswahl unter mehreren Gruppen erforderlich ist.
Anstatt die Fingeröffnungen der Nummernscheiben in verschiedenem Abstand von der
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A dial with two rows of fingers, each of which is used to select a group, is now attached to the subscriber station. For example, if Tl is pulled up, the loop is first interrupted at s1, then line a is temporarily grounded at el,
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Resistor w1 in line c1 turns on.
Triggering takes place in a known manner, PI is de-excited, line C1 is interrupted. so that the relays l \, TI, C and Tr are de-energized.
The connection via the other group selector GW2 is made in a corresponding manner by opening the finger washer T2.
Instead of the option shown in the exemplary embodiment under two groups, there is also the option of selecting from more than two groups, for example through current surge combinations, multiple grounding of the line at the number switch or similar means in connection with switching processes in the office.
The facility at the number switch to select the desired group when preparing the surge can be carried out in various ways. In the case of number switches with a finger washer, the simplest way is to arrange a finger washer for each group, each of which is provided with a device for group selection, although the impulse generator can be common to all of the finger washers. The finger washers can also be used for those connections that do not require a selection from several groups.
Instead of the finger openings of the dials at different distances from the
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Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB63207X | 1912-02-01 | ||
| DE64682X | 1912-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT64682B true AT64682B (en) | 1914-05-11 |
Family
ID=25749409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT64682D AT64682B (en) | 1912-02-01 | 1913-05-09 | Circuit arrangement for automatic or semi-automatic telephone systems with group division. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT64682B (en) |
-
1913
- 1913-05-09 AT AT64682D patent/AT64682B/en active
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