EP0221370B1 - Display arrangement for error diagnosis in communication devices - Google Patents

Display arrangement for error diagnosis in communication devices Download PDF

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Publication number
EP0221370B1
EP0221370B1 EP86113799A EP86113799A EP0221370B1 EP 0221370 B1 EP0221370 B1 EP 0221370B1 EP 86113799 A EP86113799 A EP 86113799A EP 86113799 A EP86113799 A EP 86113799A EP 0221370 B1 EP0221370 B1 EP 0221370B1
Authority
EP
European Patent Office
Prior art keywords
light
display element
display device
elements
circuit board
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 - Lifetime
Application number
EP86113799A
Other languages
German (de)
French (fr)
Other versions
EP0221370A1 (en
Inventor
Klaus Dipl.-Ing. Wechsler (Fh)
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0221370A1 publication Critical patent/EP0221370A1/en
Application granted granted Critical
Publication of EP0221370B1 publication Critical patent/EP0221370B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs

Definitions

  • the invention relates to a display device according to the preamble of patent claim 1.
  • Communication terminals e.g. Representing text terminals or screen telephones are modular in terms of the electronic part of the devices.
  • display elements with light-emitting diodes on the individual modules, which e.g. indicate a failure of the individual modules.
  • the housing must be removed when the device is switched on.
  • Such a display device for telecommunications equipment is described in DE-A 2 914 524. It consists of a cuboid-shaped holding body for receiving light-emitting diodes with light channels arranged in the holding body for receiving the light-emitting diodes. The light channels and thus the holding body are covered by a step-shaped symbol carrier on which the characters to be displayed are arranged.
  • the object of the invention is to design a display device of the type mentioned at the outset so that errors can be easily displayed on the one hand, and on the other hand the errors can be diagnosed without great effort.
  • the entire display element can be injection molded from transparent plastic.
  • a screen phone is arranged in the housing 1, a circuit board 2, which has a number of individually controllable LEDs 3 in series.
  • the light-emitting diodes 3 serve to visually indicate errors in the electronics or to diagnose the electronics, e.g. when calling a diagnostic routine.
  • the display element 4 consists of an approximately cuboid base body 5 with a plurality of juxtaposed, one-sided open recesses 6 as light channels for receiving the light-emitting diodes 3. At the end of the recess 6 (light channels), numbers 7 are raised or recessed into the planar surfaces there.
  • prismatic light deflecting elements 8 Placed on the base body 5 and connected to it as a part or produced as a single part by injection molding, several prismatic light deflecting elements 8 arranged in a comb-like manner are provided corresponding to the number of light-emitting diodes 3 used and thus the number of light channels.
  • the light deflection elements 8 are separated from one another by incisions 9 (distances) to prevent crosstalk.
  • These light deflecting elements serve to reflect the light emitted by the light-emitting diodes 3 on the prism roof surface 10. The reflected light emerges at light exit surfaces 11. These are opposite an opening 12 of the housing 1 of the communication terminal. The actuation of the light-emitting diodes 3 can thus be observed through the opening 12.
  • the light emitted by the light-emitting diodes 3 is scattered by the injected numbers 7 in the recess 6, as a result of which the sign appears as a dark image in the area of the light exit surfaces 11.
  • the numbers 7 can also be arranged directly on the prism roof surface 10 or the light exit surface 11.
  • the display element is fastened either as shown in FIG. 3 with the aid of clamping lugs 13, which is locked in corresponding clamping openings 14, or via resilient locking lugs 15, which engage in the locked state via locking lugs 16 through corresponding openings in the printed circuit board 2 (FIG. 4) .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Description

Die Erfindung betrifft eine Anzeigevorrichtung gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a display device according to the preamble of patent claim 1.

Kommunikationsendgeräte, wie z.B. Textendgeräte oder Bildschirmtelefone darstellen, sind was den elektronischen Teil der Geräte angeht, modulartig aufgebaut. Zur Anzeige von Störungen der einzelnen Module ist es bekannt, auf den einzelnen Modulen Anzeigeelemente mit Leuchtdioden anzuordnen, die z.B. einen Ausfall der einzelnen Module anzeigen. Zu diesem Zwecke muß bei eingeschaltetem Gerät das Gehäuse abgenommen werden.Communication terminals, e.g. Representing text terminals or screen telephones are modular in terms of the electronic part of the devices. To indicate malfunctions of the individual modules, it is known to arrange display elements with light-emitting diodes on the individual modules, which e.g. indicate a failure of the individual modules. For this purpose, the housing must be removed when the device is switched on.

Eine derartige Anzeigevorrichtung für fernmeldetechnische Geräte wird in der DE-A 2 914 524 beschrieben. Sie besteht aus einem quaderförmigen Haltekörper für die Aufnahme von Leuchtdioden mit in dem Haltekörper angeordneten Lichtkanälen zur Aufnahme der Leuchtdioden. Die Lichtkanäle und damit der Haltekörper sind über einen stufenförmigen Symbolträger abgedeckt, auf dem darzustellende Zeichen angeordnet sind.Such a display device for telecommunications equipment is described in DE-A 2 914 524. It consists of a cuboid-shaped holding body for receiving light-emitting diodes with light channels arranged in the holding body for receiving the light-emitting diodes. The light channels and thus the holding body are covered by a step-shaped symbol carrier on which the characters to be displayed are arranged.

Es ist weiterhin bekannt, sämtliche elektrische Module an einem gemeinsamen Diagnosestecker anzuschließen, über den im Störfall der Fehler in den einzelnen Modulen diagnostiziert werden kann. Eine Diagnose über solche Diagnosestecker ist jedoch aufwendig und bedarf zusätzlicher Einrichtungen.It is also known to connect all electrical modules to a common diagnostic connector, which can be used to diagnose the errors in the individual modules in the event of a fault. A diagnosis using such diagnostic plugs is complex and requires additional facilities.

Aufgabe der Erfindung ist es, eine Anzeigevorrichtung der eingangs genannten Art so auszugestalten, daß damit einerseits Fehler leicht angezeigt werden können, andererseits auch ohne großen Aufwand eine Diagnose der Fehler möglich ist.The object of the invention is to design a display device of the type mentioned at the outset so that errors can be easily displayed on the one hand, and on the other hand the errors can be diagnosed without great effort.

Diese Aufgabe wird bei einer Anzeigevorrichtung der eingangs genannten Art gemäß dem kennzeichnenden Teil des ersten Patentanspruches gelöst.This object is achieved in a display device of the type mentioned at the outset according to the characterizing part of the first claim.

Vorteilhafte Ausführungsformen der Erfindung sind in den Unteransprüchen gekennzeichnet.Advantageous embodiments of the invention are characterized in the subclaims.

Über die durch Einschnitte getrennten prismatischen Lichtelemente, die kammartig auf dem Grundkörper angeordnet sind, ist es beim Auftreten von Fehlern möglich, diese in Form von Zeichen über eine Diagnoseöffnung des Gerätes anzuzeigen. Durch die Umlenkung des Lichtes in den Lichtelementen und durch die klare Trennung der Lichtelemente durch Einschnitte wird eine klare Darstellung der Zeichen möglich, ohne daß ein gegenseitiges Überstrahlen auftritt.With the prismatic light elements separated by incisions, which are arranged like a comb on the base body, it is possible to indicate errors in the form of characters via a diagnostic opening of the device when errors occur. The deflection of the light in the light elements and the clear separation of the light elements by means of incisions enables the characters to be clearly represented without mutual overexposure.

Das gesamte Anzeigeelement kann aus durchsichtigem Kunststoff gespritzt sein.The entire display element can be injection molded from transparent plastic.

Ausführungsformen der Erfindung sind in den Zeichnungen dargestellt und werden im folgenden beispielsweise näher beschrieben. Es zeigen

  • Fig. 1 eine schematische Darstellung der Anzeigevorrichtung in einem Kommunikationsendgerät,
  • Fig. 2 eine Schnittdarstellung der Anzeigevorrichtung bei waagrecht angeordneter Leiterplatte,
  • Fig. 3 eine schematische Darstellung der Verrastung des Anzeigeelementes auf der Leiterplatte mit Hilfe von Klemmansätzen und
  • Fig. 4 eine schematische Darstellung der Verrastung des Anzeigeelementes in der Leiterplatte über federnde Rastansätze.
Embodiments of the invention are shown in the drawings and are described in more detail below, for example. Show it
  • 1 is a schematic representation of the display device in a communication terminal,
  • 2 is a sectional view of the display device with the circuit board arranged horizontally,
  • Fig. 3 is a schematic representation of the latching of the display element on the circuit board with the help of clamping lugs and
  • Fig. 4 is a schematic representation of the locking of the display element in the circuit board via resilient locking lugs.

In einem hier nicht im einzelnen dargestellten Kommunikationsendgerät, z.B. einem Bildschirmtelefon ist im Gehäuse 1 eine Leiterplatte 2 angeordnet, die in Reihe mehrere einzeln ansteuerbare Leuchtdioden 3 aufweist. Die Leuchtdioden 3 dienen dabei der optischen Anzeige von auftretenden Fehlern in der Elektronik bzw. der Diagnose der Elektronik, z.B. bei Aufruf einer Diagnoseroutine.In a communication terminal not shown here in detail, e.g. A screen phone is arranged in the housing 1, a circuit board 2, which has a number of individually controllable LEDs 3 in series. The light-emitting diodes 3 serve to visually indicate errors in the electronics or to diagnose the electronics, e.g. when calling a diagnostic routine.

Um ohne Schwierigkeiten und ohne Hilfsmittel das Aufleuchten der Dioden beobachten zu können, ist ein aus durchsichtigem Kunststoff gespritztes Anzeigeelement 4 vorgesehen. Das Anzeigeelement 4 besteht aus einem etwa quaderförmigen Grundkörper 5 mit mehrerer, nebeneinander angeordneten, einseitig offenen Vertiefungen 6 als Lichtkanäle zur Aufnahme der Leuchtdioden 3. Am Ende der Vertiefung 6 (Lichtkanäle) sind in die dort ebenen Flächen, Ziffern 7 erhaben oder vertieft eingespritzt.In order to be able to observe the lighting up of the diodes without difficulties and without aids, a display element 4 molded from transparent plastic is provided. The display element 4 consists of an approximately cuboid base body 5 with a plurality of juxtaposed, one-sided open recesses 6 as light channels for receiving the light-emitting diodes 3. At the end of the recess 6 (light channels), numbers 7 are raised or recessed into the planar surfaces there.

Auf dem Grundkörper 5 aufgesetzt und als ein Teil mit ihm verbunden bzw. als ein einziges Teil im Spritzverfahren hergestellt, sind entsprechend der Anzahl der verwendeten Leuchtdioden 3 und damit entsprechend der Anzahl der Lichtkanäle mehrere im Abstand voneinander, kammartig angeordnet prismatische Lichtumlenkelemente 8 vorgesehen. Die Lichtumlenkelemente 8 sind voneinander durch Einschnitte 9 (Abstände) zum Verhindern von Nebensprechen getrennt. Diese Lichtumlenkelemente dienen dazu, das von den Leuchtdioden 3 ausgesandte Licht an der Prismendachfläche 10 zu reflektieren. Das reflektierte Licht tritt an Lichtaustrittsflächen 11 aus. Diese liegen einer Öffnung 12 des Gehäuses 1 des Kommunikationsendgerätes gegenüber. Durch die Öffnung 12 läßt sich damit die Betätigung der Leuchtdioden 3 beobachten.Placed on the base body 5 and connected to it as a part or produced as a single part by injection molding, several prismatic light deflecting elements 8 arranged in a comb-like manner are provided corresponding to the number of light-emitting diodes 3 used and thus the number of light channels. The light deflection elements 8 are separated from one another by incisions 9 (distances) to prevent crosstalk. These light deflecting elements serve to reflect the light emitted by the light-emitting diodes 3 on the prism roof surface 10. The reflected light emerges at light exit surfaces 11. These are opposite an opening 12 of the housing 1 of the communication terminal. The actuation of the light-emitting diodes 3 can thus be observed through the opening 12.

Dabei wird das von den Leuchtdioden 3 ausgesandte Licht durch die eingespritzten Zahlen 7 in der Vertiefung 6 gestreut, wodurch das Zeichen im Bereich der Lichtaustrittsflächen 11 als dunkles Abbild erscheint.The light emitted by the light-emitting diodes 3 is scattered by the injected numbers 7 in the recess 6, as a result of which the sign appears as a dark image in the area of the light exit surfaces 11.

Die Ziffern 7 können aber auch auf der Prismendachfläche 10 bzw. der Lichtaustrittsfläche 11 direkt angeordnet sein.However, the numbers 7 can also be arranged directly on the prism roof surface 10 or the light exit surface 11.

Durch diese codierte Zuordnung der Zahlen 7 zu den entsprechend betätigten Leuchtdioden 3 ist es für den Kundendienst möglich, in einfacher Weise Fehler im Gerät zu diagnostizieren und entsprechende Reparaturvorkehrungen zu treffen.This coded assignment of the numbers 7 to the correspondingly actuated light-emitting diodes 3 makes it possible for customer service to diagnose faults in the device in a simple manner and to take appropriate repair measures.

Befestigt wird das Anzeigeelement entweder entsprechend der Darstellung der Fig. 3 mit Hilfe von Klemmansätzen 13, die in entsprechenden Klemmöffnungen 14 verrastet wird oder über federnde Rastansätze 15, die im verrasteten Zustand über Rastnasen 16 durch entsprechende Öffnungen der Leiterplatte 2 greifen (Fig. 4).The display element is fastened either as shown in FIG. 3 with the aid of clamping lugs 13, which is locked in corresponding clamping openings 14, or via resilient locking lugs 15, which engage in the locked state via locking lugs 16 through corresponding openings in the printed circuit board 2 (FIG. 4) .

Claims (6)

1. Display device having a plurality of light elements (3) arranged on a printed-circuit board (2), having a display element (4) enclosing the light elements (3) on the printed-circuit board (2), which display element has a base body (5) having a plurality of recesses (6), which are arranged next to one another and open on one side, as light channels for receiving the light elements (3), characters (7) being arranged in the radiation area of the light elements on surfaces of the display element (4) so that their image is present on a light exit surface (11) of the display element (4), characterized in that a plurality of prismatic light deflection elements (8) corresponding to the number of light channels (6) are provided on the base body (5), which light deflection elements are separated by indents (9) and arranged in a chamber-like manner.
2. Display device according to Claim 1, characterized in that the characters (7) are formed at the closed end of the recesses, which are open on one side, of the light channels.
3. Display device according to one of Claims 1 or 2, characterized in that the base body and the prismatic light deflection elements (8) are formed of a plastic injection moulding.
4. Display device according to one of Claims 1 to 3, characterized in that the display element (4) has resilient locking projections (15) for the purpose of separable engagement with the printed-circuit board (2).
5. Display device according to one of Claims 1 to 3, characterized in that the display element (4) has clamp projections (13) for clamping the display element (4) into clamp apertures (14) of the printed-circuit board (2).
6. Display device according to one of Claims 1 to 5, characterized in that the display element (4) is constructed of transparent plastic injection moulding.
EP86113799A 1985-10-09 1986-10-06 Display arrangement for error diagnosis in communication devices Expired - Lifetime EP0221370B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3536082 1985-10-09
DE3536082 1985-10-09

Publications (2)

Publication Number Publication Date
EP0221370A1 EP0221370A1 (en) 1987-05-13
EP0221370B1 true EP0221370B1 (en) 1990-04-25

Family

ID=6283202

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86113799A Expired - Lifetime EP0221370B1 (en) 1985-10-09 1986-10-06 Display arrangement for error diagnosis in communication devices

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EP (1) EP0221370B1 (en)
DE (1) DE3670709D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2643640A1 (en) * 1989-02-24 1990-08-31 Telemecanique Electrique Proximity detector with state indication
US5481440A (en) * 1993-12-27 1996-01-02 At&T Corp. Circuit pack with light pipes
DE10360896A1 (en) * 2003-12-19 2005-07-21 Robert Bosch Gmbh Function Display lighting device
DE202004018756U1 (en) * 2004-12-04 2006-04-13 Weidmüller Interface GmbH & Co. KG Electrical device with a status indicator
CN112200019B (en) * 2020-09-22 2024-02-09 上海罗曼照明科技股份有限公司 Rapid building night scene lighting lamp fault detection method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918053A (en) * 1972-07-03 1975-11-04 Dialight Corp Digital display
GB1493586A (en) * 1974-11-20 1977-11-30 Texas Instruments Ltd Electroluminescent device character displays
FR2339922A1 (en) * 1976-01-28 1977-08-26 Bourboulon Henri LUMINOUS SIGNALING DEVICE
GB2025596B (en) * 1978-05-19 1982-09-29 Savage J M Panel-mounted indicator lamps
US4345308A (en) * 1978-08-25 1982-08-17 General Instrument Corporation Alpha-numeric display array and method of manufacture
US4206493A (en) * 1978-10-10 1980-06-03 North American Philips Corporation Multiple fault indicator light package
DE2914524A1 (en) * 1979-04-10 1980-10-23 Siemens Ag Telecommunication equipment display - has plastic holder with chambers for LEDS and apertures for inserting leads into PCB

Also Published As

Publication number Publication date
EP0221370A1 (en) 1987-05-13
DE3670709D1 (en) 1990-05-31

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