DE19641786A1 - Switch mat with backlit switching elements - Google Patents
Switch mat with backlit switching elementsInfo
- Publication number
- DE19641786A1 DE19641786A1 DE1996141786 DE19641786A DE19641786A1 DE 19641786 A1 DE19641786 A1 DE 19641786A1 DE 1996141786 DE1996141786 DE 1996141786 DE 19641786 A DE19641786 A DE 19641786A DE 19641786 A1 DE19641786 A1 DE 19641786A1
- Authority
- DE
- Germany
- Prior art keywords
- switching elements
- mat
- switching
- piece
- cavities
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/06—Reflector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/07—Actuators transparent
Landscapes
- Push-Button Switches (AREA)
Abstract
Description
Die Erfindung geht aus von einer einstückigen Schaltmatte mit einzelnen Schaltelementen aus lichtdurchlässigem Material nach der Gattung des Hauptanspruchs.The invention is based on a one-piece switch mat with individual switching elements made of translucent Material according to the genus of the main claim.
Es sind bereits Schaltmatten, vorzugsweise aus Silikon, bekannt, die einzelne Schaltelemente in Form von Tasten aufweisen, die im Bereich des Kontaktes mit der Leiterplatte, auf die die Schaltmatte aufgelegt wird, Kontaktstellen besitzen. Die einzelnen Schaltelemente sind Quader oder Zylinder aus Silikon.There are already safety mats, preferably made of silicone, known, the individual switching elements in the form of buttons have in the area of contact with the PCB on which the safety mat is placed, Have contact points. The individual switching elements are Cuboid or cylinder made of silicone.
Die erfindungsgemäße Schaltmatte mit einzelnen Schaltelementen aus lichtdurchlässigem Material mit den kennzeichnenden Merkmalen des Hauptanspruchs hat dem gegenüber den Vorteil, daß Licht durch Hohlräume, die in den Schaltelementen geschaffen werden, direkt bis zur Oberfläche der Tasten durchscheinen kann. Damit ist eine einfache Beleuchtung der Tastenoberflächen realisierbar. The safety mat according to the invention with individual Switching elements made of translucent material with the characteristic features of the main claim has the compared to the advantage that light passes through cavities in the Switching elements are created, right up to the surface the buttons can shine through. So that's an easy one Illumination of the key surfaces possible.
Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen der im Hauptanspruch angegebenen Schaltmatte mit einzelnen Schaltelementen möglich.By the measures listed in the subclaims advantageous developments and improvements in Main claim specified switching mat with individual Switching elements possible.
Besonders vorteilhaft ist es, wenn die Hohlräume in den Schaltelementen zylindrisch ausgebildet sind. Es ist auch von Vorteil, wenn die Hohlräume konisch ausgebildet sind, wobei sich der Konus in Richtung Lichtquelle verjüngt. Es ist auch vorteilhaft, wenn die Hohlräume in den Schaltelementen zunächst einen zylindrischen Bereich aufweisen, und im oberen Bereich der Tastatur angephast sind. Dadurch entsteht eine Reflektorstruktur, die das Licht besser zur Tastenoberfläche leitet. Im weiteren ist es von Vorteil, daß durch die Reflektorstruktur die Stabilität der Tastenoberfläche erhöht wird.It when the cavities in the Switching elements are cylindrical. It is also advantageous if the cavities are conical whereby the cone tapers towards the light source. It is also advantageous if the cavities in the Switch elements first a cylindrical area have, and chamfered in the upper area of the keyboard are. This creates a reflector structure that the light leads better to the key surface. Furthermore it is from Advantage that the stability of the reflector structure Key surface is increased.
Vorteilhafterweise stammt das Licht von einer auf der Leiterplatte installierten Leuchtdiode.The light advantageously comes from one on the Printed circuit board installed light emitting diode.
Vorteilhafterweise besteht das Material der einstückigen Schaltmatte aus einem lichtdurchlässigem Material, zumindest im Bereich der Tastenflächen.The material is advantageously made in one piece Safety mat made of a translucent material, at least in the area of the key areas.
Fig. 1 zeigt ein Schaltelement 11 einer erfindungsgemäßen Schaltmatte. Die Schaltmatte besteht aus der Matte 4, die auf der Leiterplatte 1 aufliegt, mit den eigentlichen Schaltelementen 11, die als Tasten oder Knöpfe 5 ausgebildet sind. Tasten und Schaltmatte sind über die Schaltmattenmembran 8 miteinander verbunden. Wird die Taste betätigt, verbiegt sich die Schaltmattenmembran 8 und der gesamte Körper 10 des Knopfes bewegt sich in Richtung des Pfeils. Dadurch wird der Ringkontakt 3 auf den Gegenkontakt 2 gepreßt, der auf der Leiterplatte 1 aufgebracht ist. Der Klickeffekt der Taste läßt sich über Dicke und Form der Schaltmattenmembran einstellen. Die Taste 5 mit Reflektor 6 und Schaltmattenzylinder 10 weist in ihrem Innern einen Hohlraum 9 auf, der einen Durchbruch der Schaltmattenfläche darstellt. In diesen Hohlraum scheint das Licht einer Leuchtdiode 7, die auf der Leiterplatte kontaktiert wird. Eine Ausbildungsform des erfindungsgemäßen Schaltelements weist eine Reflektorstruktur 6 auf, bei der der zylindrische Hohlraum innerhalb der Taste konisch erweitert wird. Eine solche Struktur erhöht die Stabilität der Taste und der Tastenfläche. Zugleich wird das Licht der Leuchtdiode 7 einfacher bis zur Oberfläche der Taste 5 geleitet. 11 Fig. 1 shows a switching element of a switching mat according to the invention. The switching mat consists of the mat 4 , which rests on the circuit board 1 , with the actual switching elements 11 , which are designed as keys or buttons 5 . Keys and safety mat are connected to each other via the safety mat membrane 8 . When the button is pressed, the safety mat membrane 8 bends and the entire body 10 of the button moves in the direction of the arrow. As a result, the ring contact 3 is pressed onto the mating contact 2 , which is applied to the printed circuit board 1 . The click effect of the button can be adjusted via the thickness and shape of the safety mat membrane. The key 5 with reflector 6 and safety mat cylinder 10 has a cavity 9 in its interior, which represents a breakthrough in the safety mat surface. The light of a light-emitting diode 7 , which is contacted on the printed circuit board, shines into this cavity. One embodiment of the switching element according to the invention has a reflector structure 6 , in which the cylindrical cavity within the button is flared. Such a structure increases the stability of the key and the key surface. At the same time, the light from the light-emitting diode 7 is guided more easily to the surface of the key 5 .
Es sind auch Ausführungsformen mit lediglich zylindrischem Hohlraum, oder einem insgesamt konischen Hohlraum denkbar. Als Material für die erfindungsgemäße Schaltmatte mit Schaltelementen 4, 8, 10 ist Silikon geeignet, allerdings sind auch andere Materialien, die die erforderliche Lichtdurchlässigkeit und Flexibilität besitzen, denkbar.Embodiments with only a cylindrical cavity or an overall conical cavity are also conceivable. Silicone is suitable as the material for the switching mat according to the invention with switching elements 4 , 8 , 10 , but other materials that have the required light transmission and flexibility are also conceivable.
Für den Reflektor 6 und den Knopf 5, wobei beide auch zu einem Teil verbunden sein können (Rasten oder Spritzteil) wird entsprechend der Anforderungen transluzentes bzw. reflektierendes Material aus Kunststoff verwendet.For the reflector 6 and the button 5 , both of which can also be connected to one part (detent or molded part), translucent or reflective material made of plastic is used according to the requirements.
Von Vorteil ist gleichzeitig die Möglichkeit, die Schaltmatte in einem lichtundurchlässigen Material auszuführen. Hierdurch wird Lecklicht zur Designoberfläche, das seitlich von den Knöpfen austritt, vermieden. Dazu wird die Schaltmatte lackiert und die Beschichtung im Bereich des Knopfes 5 abgetragen, was z. B. mit einem Laser geschehen kann.At the same time, it is advantageous to be able to design the safety mat in an opaque material. This prevents leakage to the design surface, which emerges from the side of the buttons. For this purpose, the switch mat is painted and the coating in the area of the button 5 removed, which, for. B. can be done with a laser.
Claims (6)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1996141786 DE19641786A1 (en) | 1996-10-10 | 1996-10-10 | Switch mat with backlit switching elements |
PCT/DE1997/001942 WO1998015963A1 (en) | 1996-10-10 | 1997-09-04 | Keyboard top lining with underlying lightening |
TW86113076A TW380272B (en) | 1996-10-10 | 1997-09-10 | Switch pad of switch component with back illumination |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1996141786 DE19641786A1 (en) | 1996-10-10 | 1996-10-10 | Switch mat with backlit switching elements |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19641786A1 true DE19641786A1 (en) | 1998-04-16 |
Family
ID=7808372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1996141786 Withdrawn DE19641786A1 (en) | 1996-10-10 | 1996-10-10 | Switch mat with backlit switching elements |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE19641786A1 (en) |
TW (1) | TW380272B (en) |
WO (1) | WO1998015963A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10261977A1 (en) * | 2002-04-25 | 2004-01-29 | Preh-Werke Gmbh & Co. Kg | Keypad, especially for cash registers |
DE10218442B3 (en) * | 2002-04-25 | 2004-01-29 | Preh-Werke Gmbh & Co. Kg | Keyboard, especially for cash registers |
DE10255338B3 (en) * | 2002-11-27 | 2004-05-19 | Siemens Ag | Switch button integral with resilient skirt, has holder interlocked and firmly connected to it |
DE102004032254A1 (en) * | 2004-07-03 | 2006-01-19 | Leopold Kostal Gmbh & Co. Kg | Button switch for a motor vehicle has a button inside a cover opening and a moving switch part linked to the button |
US7009121B2 (en) | 2002-04-25 | 2006-03-07 | Preh-Werke Gmbh & Co. Kg | Keyboard, especially for electronic payment terminals, and keypad |
EP1701368A1 (en) | 2005-03-11 | 2006-09-13 | Delphi Technologies Inc. | Switching pad for an electric switch |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19832678A1 (en) † | 1998-07-21 | 2000-02-10 | Mannesmann Vdo Ag | Circuit arrangement with a rotary encoder |
DE202005011033U1 (en) | 2005-07-13 | 2005-11-03 | Trw Automotive Electronics & Components Gmbh & Co. Kg | Multiple input key pad for automobiles has a housing with guide elements for movable electrical contacts |
CN104332340B (en) * | 2014-10-31 | 2017-01-11 | 苏州达方电子有限公司 | Membrane switch layer of keyboard and luminous keyboard |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3129210C2 (en) * | 1981-07-24 | 1983-07-28 | Triumph-Adler Aktiengesellschaft für Büro- und Informationstechnik, 8500 Nürnberg | Electrical switching device |
DE3421319C2 (en) * | 1984-06-08 | 1986-04-24 | Borg Instruments GmbH, 7537 Remchingen | Push button with rubber mat |
-
1996
- 1996-10-10 DE DE1996141786 patent/DE19641786A1/en not_active Withdrawn
-
1997
- 1997-09-04 WO PCT/DE1997/001942 patent/WO1998015963A1/en active Application Filing
- 1997-09-10 TW TW86113076A patent/TW380272B/en active
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10261977A1 (en) * | 2002-04-25 | 2004-01-29 | Preh-Werke Gmbh & Co. Kg | Keypad, especially for cash registers |
DE10218442B3 (en) * | 2002-04-25 | 2004-01-29 | Preh-Werke Gmbh & Co. Kg | Keyboard, especially for cash registers |
DE10261977B4 (en) * | 2002-04-25 | 2004-08-05 | Preh-Werke Gmbh & Co. Kg | Keypad, especially for cash registers |
DE10261977B8 (en) * | 2002-04-25 | 2004-11-18 | Preh Gmbh | Keypad, especially for cash registers |
US7009121B2 (en) | 2002-04-25 | 2006-03-07 | Preh-Werke Gmbh & Co. Kg | Keyboard, especially for electronic payment terminals, and keypad |
DE10255338B3 (en) * | 2002-11-27 | 2004-05-19 | Siemens Ag | Switch button integral with resilient skirt, has holder interlocked and firmly connected to it |
DE102004032254A1 (en) * | 2004-07-03 | 2006-01-19 | Leopold Kostal Gmbh & Co. Kg | Button switch for a motor vehicle has a button inside a cover opening and a moving switch part linked to the button |
DE102004032254B4 (en) * | 2004-07-03 | 2013-05-29 | Leopold Kostal Gmbh & Co. Kg | Tactile switch for a motor vehicle |
EP1701368A1 (en) | 2005-03-11 | 2006-09-13 | Delphi Technologies Inc. | Switching pad for an electric switch |
Also Published As
Publication number | Publication date |
---|---|
WO1998015963A1 (en) | 1998-04-16 |
TW380272B (en) | 2000-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8130 | Withdrawal |