EP0207278B1 - Transmission device for keyboards in communication transmission apparatuses - Google Patents
Transmission device for keyboards in communication transmission apparatuses Download PDFInfo
- Publication number
- EP0207278B1 EP0207278B1 EP86106998A EP86106998A EP0207278B1 EP 0207278 B1 EP0207278 B1 EP 0207278B1 EP 86106998 A EP86106998 A EP 86106998A EP 86106998 A EP86106998 A EP 86106998A EP 0207278 B1 EP0207278 B1 EP 0207278B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- elements
- transmission device
- push
- subsidiary
- control panels
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims description 18
- 239000004020 conductor Substances 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 230000006870 function Effects 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000008407 joint function Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/161—Indicators for switching condition, e.g. "on" or "off" comprising light emitting elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
- H01H2003/466—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle using a living hinge to connect the levers
Definitions
- the invention relates to a transmission device for control panels in communication terminals according to the preamble of claim 1.
- control elements required in communication terminals whether they be input elements such as buttons or display elements such as light-emitting diodes, are often used at ergonomically and design-favorable locations on the device that are far away from the actual central assembly.
- the object of the invention is to design a transmission device for control panels in communication terminals of the type mentioned at the outset in such a simple and inexpensive manner that overall there is high electromagnetic compatibility with the lowest interference voltage radiation.
- all elements of the transmission device consist of injection molded plastic parts.
- the impact element is also designed as a plastic part and takes on both the joint function and the resetting function due to the spring action. Any number of these push elements are received by the guide elements, which can either be formed as a whole block or can be layered from any number of parts to form batteries. This results in a cost-effective transmission device with high electromagnetic compatibility and low interference radiation.
- a teleprinter has on a housing part 1 control panels in the form of key tops 2. These key tops 2 are intended to be used to actuate keys 4 located at a distance in the housing and located on printed circuit boards 3, namely key stroke a of with a stop collar 5 provided key head 2 are completely transferred to the key 4.
- push elements 7 also made of plastic are arranged in stationary guide elements 6, which consist of a plastic injection molded part. The angled bumpers in this case are latched in the stationary guide element via an elastic attachment 8 with an associated fastening web 9.
- the extension piece 8 assumes both the articulation function of the push elements 7 and the resetting function by spring action.
- the button 4 After pressing the button head 2 in the direction of the arrow, the button 4 is actuated in a shock-elastic manner via the push element 7. To reset to the initial function, the restoring force emanating from the attachment piece 8 in connection with the fastening piece 9 acts and presses the key head 2 into its initial position in which the collar piece 5 rests on the housing 1.
- the stationary guide element 6 which is made of plastic injection molding, consists of an integrally formed block, which on the one hand has recesses 10 for receiving the impact elements 7, but on the other hand also has guide recesses 11 for receiving light guides 12, for. B. made of glass fibers. With these light guides it is possible to transmit the light emitted by the light-emitting diodes 13 arranged on the printed circuit board 3 into the control panel area of the housing 1 wear.
- the fixed guide element is block-assembled from individual half-shell-shaped sub-elements 14.
- Each sub-element has connecting lugs 15 and guide lugs 16, which make it possible to layer the individual sub-elements so that the bottom of the a sub-element forms the cover for the adjacent sub-element.
- the push elements 7 are on the other hand, however, light guides 17 can also be arranged in the same partial elements, which in contrast to the embodiment 12 according to FIG. 2 are then designed according to the outer dimensions of the push elements 7.
- Such a block formed from individual sub-elements 14 and thus the entire stationary guide element is covered by a front cover 8.
- keys 4 used in the embodiment according to FIG. 3 keys that have 19 light elements in the area of the actuating head, it is also possible with a corresponding change of the attachment 8 of the push element 7 to design the push element 7 itself as a light guide, so as to enable an indicative actuation of the keys 4.
- the entire stationary guide element is locked or screwed into the housing in a manner not shown here.
Landscapes
- Casings For Electric Apparatus (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Description
Die Erfindung betrifft eine Übertragungsvorrichtung für Bedienfelder in Kommunikationsendgeräten gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a transmission device for control panels in communication terminals according to the preamble of claim 1.
Die in Kommunikationsendgeräten notwendigen Bedienelemente seien es nun Eingabeelemente wie Tasten oder Anzeigeelemente wie Leuchtdioden, werden oft an ergonomisch und designmäßig günstigen Stellen des Gerätes gebraucht, die weit entfernt von der eigentlichen zentralen Baugruppe liegen.The control elements required in communication terminals, whether they be input elements such as buttons or display elements such as light-emitting diodes, are often used at ergonomically and design-favorable locations on the device that are far away from the actual central assembly.
In diesem Falle war es bisher üblich, die Bedienelemente seien es nun Tasten oder Leuchtdioden auf einer eigenen Leiterplatte anzuordnen und diese mechanisch hinter der als Bedienfeld ausgebildeten Gehäusewand zu befestigen. Mittels Leitungen und Stecker wurde. dann diese gesonderte Leiterplatte mit der zentralen Steuerung verbunden. Neben den erforderlichen hohen Kosten hat eine derartige Lösung den Nachteil, daß über die Leitungen eine hohe Störspannungsabstrahlung erfolgt und woraus insgesamt eine geringe elektromagnetische Verträglichkeit resultiert.In this case, it was previously customary to arrange the operating elements, be they keys or light-emitting diodes, on a separate printed circuit board and to fasten them mechanically behind the housing wall designed as an operating panel. Using cables and plugs. then this separate circuit board is connected to the central controller. In addition to the high costs required, such a solution has the disadvantage that a high level of interference radiation is emitted via the lines, resulting in a low overall electromagnetic compatibility.
Aufgabe der Erfindung ist es, eine Übertragungsvorrichtung für Bedienfelder in Kommunikationsendgeräten der eingangs genannten Art einfach und kostengünstig so auszugestalten, daß insgesamt eine hohe elektromagnetische Verträglichkeit mit geringster Störspannungsabstrahlung erfolgt.The object of the invention is to design a transmission device for control panels in communication terminals of the type mentioned at the outset in such a simple and inexpensive manner that overall there is high electromagnetic compatibility with the lowest interference voltage radiation.
Diese Aufgabe wird bei einer Übertragungsvorrichtung der eingangs genannten Art gemäß dem kennzeichnenden Teil des ersten Patentanspruches gelöst.This object is achieved in a transmission device of the type mentioned in the opening paragraph according to the characterizing part of the first claim.
Weitere vorteilhafte Ausführungsformen der Erfindung sind in den Unteransprüchen gekennzeichnet.Further advantageous embodiments of the invention are characterized in the subclaims.
Durch die Anordnung von ortsfesten Führungselementen die sowohl' zur Aufnahme von zwischen den Funktionselementen und den Bedienfeldern angeordneten, entgegen einer Federkraft verschieblichen mechanischen Stoßelementen als auch zur Aufnahme von Lichtleitern ausgebildet sind, kann über beliebige Winkel und Strecken auf die direkt in der zentralen Leiterplatte eingelöteten Tastenelemente der Tastenhub übertragen wird. Durch Kombination mit Lichtleitern, die ebenfalls in den Führungselementen anordbar sind, können auf diese Weise ganze Bedienfelder an beliebiger Stelle erzeugt werden, deren lichterzeugende elektrische Bauelemente auf der zentralen Baugruppe liegen.Due to the arrangement of stationary guide elements both 'arranged for receiving between the function elements and the control panels, are formed against a spring force displaceable mechanical impact elements as for receiving light conductors can arbitrary angles and distances on the soldered directly to the central PCB key elements the key stroke is transmitted. In combination with light guides, which can also be arranged in the guide elements, entire control panels can be generated in this way at any point, the light-generating electrical components of which lie on the central assembly.
Bei einer vorteilhaften Ausführungsform der Erfindung bestehen sämtliche Elemente der Übertragungsvorrichtung aus Kunststoffspritzteilen. Das Stoßelement ist dabei ebenfalls als Kunststoffteil ausgebildet und übernimmt sowohl die Gelenkfunktion als auch durch die Federwirkung die Rückstellfunktion. Eine beliebige Anzahl dieser Stoßelemente wird von den Führungselementen aufgenommen, die entweder als ganzer Block ausgebildet oder aus beliebige vielen Teilen zu Batterien geschichtet werden können. Dadurch ergibt sich eine kostengünstig herstellbare Übertragungsvorrichtung mit hoher elektromagnetischer Verträglichkeit und geringer Störspannungsabstrahlung.In an advantageous embodiment of the invention, all elements of the transmission device consist of injection molded plastic parts. The impact element is also designed as a plastic part and takes on both the joint function and the resetting function due to the spring action. Any number of these push elements are received by the guide elements, which can either be formed as a whole block or can be layered from any number of parts to form batteries. This results in a cost-effective transmission device with high electromagnetic compatibility and low interference radiation.
Ausführungsformen der Erfindung sind in den Zeichnungen dargestellt und werden im folgenden beispielsweise näher beschrieben. Es zeigen
- Fig. 1 eine schematische Schnittdarstellung eines einzelnen Stoßelementes der Übertragungsvorrichtung,
- Fig. 2 eine schematische Darstellung der Übertragungsvorrichtung bei der das ortsfeste Führungselement einstückig ausgebildet ist, und
- Fig. 3 eine schematische Darstellung der Übertragungsvorrichtung bei der das ortsfeste Führungselement blockweise zusammensetzbar aus- . gebildet ist.
- 1 is a schematic sectional view of an individual impact element of the transmission device,
- Fig. 2 is a schematic representation of the transmission device in which the stationary guide element is integrally formed, and
- 3 shows a schematic representation of the transmission device in which the stationary guide element can be assembled in blocks. is formed.
In einem hier nicht im einzelnen dargestellten Kommunikationsgerät z. B. einer Fernschreibmaschine, weist an einem Gehäuseteil 1 Bedienfelder auf und zwar in Form von Tastenköpfen 2. Über diese Tastenköpfe 2 sollen im Abstand im Gehäuse angeordnete, auf Leiterplatten 3 befindliche Tasten 4 betätigt werden und zwar soll der Tastenhub a des mit einem Anschlagkragen 5 versehenen Tastenkopfes 2 vollständig auf die Taste 4 übertragen werden. Zu diesem Zweck sind in ortsfesten Führungselementen 6 die aus einem Kunststoffspritzteil bestehen, ebenfalls aus Kunststoff ausgebildete Stoßelemente 7 angeordnet. Die in diesem Falle abgewinkelten Stoßelemente sind über einen elastischen Ansatz 8 mit zugehörigem Befestigungssteg 9 im ortsfesten Führungselement verrastet. Das Ansatzstück 8 übernimmt dabei sowohl die Gelenkfunktion der Stoßelemente 7 als auch durch Federwirkung die Rückstellfunktion. Nach Betätigung des Tastenkopfes 2 in Pfeilrichtung wird stoßelastisch über das Stoßelement 7 die Taste 4 betätigt. Zur Rückstellung in die Ausgangsfunktion wirkt die von dem Ansatzstück 8 in Verbindung mit den Befestigungsstück 9 ausgehende Rückstellkraft und drückt den Tastenkopf 2 in seine Ausgangslage in der das Kragenstück 5 am Gehäuse 1 anliegt.In a communication device not shown here in detail, for. B. a teleprinter, has on a housing part 1 control panels in the form of key tops 2. These key tops 2 are intended to be used to actuate keys 4 located at a distance in the housing and located on printed circuit boards 3, namely key stroke a of with a stop collar 5 provided key head 2 are completely transferred to the key 4. For this purpose, push elements 7 also made of plastic are arranged in
In dem im folgenden beschriebenen Fig. 2 und 3 sind verschiedene Ausführungsformen des ortsfesten Führungselementes und damit der gesamten Übertragungsvorrichtung dargestellt. Bei den Ausführungsbeispielen entsprechend der Fig. 2 besteht das ortsfeste, aus Kunststoffspritzguß hergestellte Führungselement 6, aus einem einstückig ausgebildeten Block, der einerseits Ausnehmungen 10 zur Aufnahme der Stoßelemente 7 aufweist, andererseits aber auch Führungsausnehmungen 11 zur Aufnahme von Lichtleitern 12, z. B. aus Glasfasern. Mit diesen Lichtleitern ist es möglich, das von auf der Leiterplatte 3 angeordneten Leuchtdioden 13 ausgehende Licht, in den Bedienfeldbereich des Gehäuses 1 zu übertragen.Various embodiments of the stationary guide element and thus of the entire transmission device are shown in FIGS. 2 and 3 described below. In the exemplary embodiments according to FIG. 2, the
Bei dem in der Fig. 3 dargestellten Ausführungsbeispiel ist das ortsfeste Führungselement blockweise zusammensetzbar ausgebildet und zwar aus einzelnen halbschalenartig ausgebildeten Teilelementen 14. Jedes Teilelement weist Verbindungsansätze 15 und Führungsansätze 16 auf, die es ermöglichen, die einzelnen Teilelemente aufeinander zuschichten, so daß der Boden des einen Teilelementes die Abdeckung für das benachbarte Teilelement bildet. In den Teileiementen gelagert, sind einerseits die Stoßelemente 7 andererseits können aber in dieselbenen Teilelemente auch Lichtleiter 17 angeordnet sein, die dann im Unterschied zur Ausführung 12 entsprechend der Fig. 2 entsprechend den äußeren Abmaßen der Stoßelemente 7 ausgebildet sind. Abgedeckt wird ein derartiger aus einzelnen Teilelementen 14 gebildeter Block und damit das gesamte ortsfeste Führungselement durch eine Frontabdeckung 8. Werden z. B. anstelle der üblichen Tasten 4 bei dem Ausführungsbeispiel entsprechend der Fig. 3 Tasten verwendet, die im Bereich des Betätigungskopfes 19 Leuchtelemente ausweisen, so ist es bei entsprechender Änderung des Ansatzstückes 8 des Stoßelementes 7 auch möglich, das Stoßelement 7 selbst als Lichtleiter auszubilden, um so eine anzeigende Betätigung der Tasten 4 zu ermöglichen.In the embodiment shown in Fig. 3, the fixed guide element is block-assembled from individual half-shell-shaped sub-elements 14. Each sub-element has connecting lugs 15 and guide lugs 16, which make it possible to layer the individual sub-elements so that the bottom of the a sub-element forms the cover for the adjacent sub-element. Mounted in the partial elements, on the one hand the push elements 7 are on the other hand, however,
Das gesamte ortsfeste Führungselement wird im Gehäuse in hier nicht dargestellter Weise verrastet bzw. verschraubt.The entire stationary guide element is locked or screwed into the housing in a manner not shown here.
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3521277 | 1985-06-13 | ||
DE3521277 | 1985-06-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0207278A1 EP0207278A1 (en) | 1987-01-07 |
EP0207278B1 true EP0207278B1 (en) | 1988-11-09 |
Family
ID=6273219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86106998A Expired EP0207278B1 (en) | 1985-06-13 | 1986-05-23 | Transmission device for keyboards in communication transmission apparatuses |
Country Status (4)
Country | Link |
---|---|
US (1) | US4793673A (en) |
EP (1) | EP0207278B1 (en) |
JP (1) | JPS61288326A (en) |
DE (2) | DE8517322U1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH037241U (en) * | 1989-06-12 | 1991-01-24 | ||
FR2661264B1 (en) * | 1990-04-20 | 1992-07-10 | Telemecanique | MANUAL CONTROL DEVICE FOR THERMAL RELAY. |
US5348407A (en) * | 1992-05-19 | 1994-09-20 | Hewlett-Packard Company | Snap-on control panel |
DE19615500B4 (en) * | 1996-04-19 | 2005-06-16 | Siemens Ag | Operating element extension |
DE19704419C1 (en) * | 1997-02-06 | 1998-03-12 | Whirlpool Co | Illuminated switch pushbutton device |
TWM286375U (en) * | 2005-08-08 | 2006-01-21 | Inventec Corp | Light guiding structure |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US30435A (en) * | 1860-10-16 | Cotton-cleaner | ||
FR944521A (en) * | 1947-03-17 | 1949-04-07 | Mors Electricite | Combined control and remote control unit |
US3308260A (en) * | 1966-01-28 | 1967-03-07 | Cutler Hammer Inc | Electric switches |
US3501975A (en) * | 1968-09-25 | 1970-03-24 | Sylvania Electric Prod | Bowden wire switch operating mechanism |
GB1387813A (en) * | 1971-04-07 | 1975-03-19 | Plessey Co Ltd | Pushbutton electric switches |
US3708635A (en) * | 1971-06-17 | 1973-01-02 | Oak Electro Netics Corp | Multiple switch assembly with improved reciprocating leaf spring contact cam actuator |
US4055738A (en) * | 1976-03-19 | 1977-10-25 | Electronic Engineering Co. Of California | Multiple switch mount |
JPS5578418A (en) * | 1978-12-09 | 1980-06-13 | Omron Tateisi Electronics Co | Illumination pushhbutton switch |
JPS55139720A (en) * | 1979-04-17 | 1980-10-31 | Idec Izumi Corp | Miniature switch |
US4638131A (en) * | 1986-01-15 | 1987-01-20 | General Motors Corporation | Steering wheel pad keyboard switch assembly |
-
1985
- 1985-06-13 DE DE8517322U patent/DE8517322U1/en not_active Expired
-
1986
- 1986-05-23 DE DE8686106998T patent/DE3661164D1/en not_active Expired
- 1986-05-23 EP EP86106998A patent/EP0207278B1/en not_active Expired
- 1986-05-27 US US06/866,918 patent/US4793673A/en not_active Expired - Fee Related
- 1986-06-13 JP JP61136358A patent/JPS61288326A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0207278A1 (en) | 1987-01-07 |
JPS61288326A (en) | 1986-12-18 |
DE8517322U1 (en) | 1986-11-13 |
DE3661164D1 (en) | 1988-12-15 |
US4793673A (en) | 1988-12-27 |
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