EP0366832A1 - Cover for contact foil keyboards - Google Patents
Cover for contact foil keyboards Download PDFInfo
- Publication number
- EP0366832A1 EP0366832A1 EP88118451A EP88118451A EP0366832A1 EP 0366832 A1 EP0366832 A1 EP 0366832A1 EP 88118451 A EP88118451 A EP 88118451A EP 88118451 A EP88118451 A EP 88118451A EP 0366832 A1 EP0366832 A1 EP 0366832A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cover
- plate
- recess
- cover according
- keyboard
- 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.)
- Granted
Links
Images
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
- H01H2209/00—Layers
- H01H2209/01—Increasing rigidity; Anti-creep
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/068—Properties of the membrane
- H01H2209/07—Properties of the membrane metallic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/068—Properties of the membrane
- H01H2209/076—Properties of the membrane non elastomeric
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/024—Profile on actuator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/044—Protecting cover
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/038—Anti-vandalism
Definitions
- the invention relates to a cover of an actuating surface of membrane keyboards.
- Membrane keyboards which already respond to low pressure and / or travel and switch or generate an electrical signal, are increasingly used thanks to their simple installation options and their low cost.
- a pressure sensitive membrane keyboard is e.g. known from European patent application 0 210 386.
- the relatively thin cover membrane of the membrane keyboard is not aesthetically satisfactory or offers insufficient protection for the membrane keyboard; this is particularly the case for applications on publicly accessible devices, e.g. Vending machines, telephones, which are increasingly exposed to the risk of vandalism.
- the cover film can not be made arbitrarily thick, since otherwise there is no sufficient pressure transfer to the individual buttons or several buttons are pressed at the same time.
- the invention is therefore based on the object of a cover for the actuating surface of To create membrane keyboards, which offers this additional protection and improved appearance, without impairing the operability of the keyboard.
- Fig. 1 shows a sectional view of a part of the cover according to the invention, which lies over a key of a membrane keyboard.
- the membrane keyboard 10 is shown, for example, in the form of a pressure-actuated, pathless piezoelectric membrane keyboard, as is known from EP 0 210 386.
- the cover can be used with membrane keyboards of any construction.
- the membrane keyboard consists of two foils 12 and 13 and one Spacer film 11. Piezo crystal elements are inserted into recesses in the spacer film 11, one of which, the element 16, is shown in the partial view of FIG. 1. This element 16 is contacted via conductor tracks 15 on the foils 12 and 13.
- the membrane keyboard 10 When pressure acts on the film 12 forming the actuating surface of the keyboard in the area of the element 16, this emits an electrical signal.
- the membrane keyboard 10 is attached to the housing 18 of any electrical device.
- the contact with pressure causes electrical contacts (conductor tracks) to come into contact or elements to be deformed, which become conductive.
- the cover according to the invention has a rigid plate 1.
- a rigid plate 1 This can be chosen as thick and made of such a material, e.g. Aluminum that a good protection of the membrane keyboard 10 arranged below is guaranteed.
- the plate 1 can e.g. made of brass or wood.
- a rigid plate is understood to mean a plate which is so thick that the membrane keyboard underneath cannot be operated properly when pressed on the plate, be it that no key responds or that several keys respond simultaneously.
- zones of reduced rigidity are therefore provided in the cover, which come to lie over the respective key areas of the membrane keyboards when the plate 1 is arranged on the membrane keyboard.
- the arrangement of the plate 1 on the membrane keyboard 10 can be done for example by gluing or by a keyboard and plate holding frame or by attaching the plate 1 to the housing 18 of a device lying under the keyboard.
- the plate 1 is provided with a recess above the key area.
- the recess is open towards the film 12 and is chosen so deep that the plate part 2 remaining above the recess has sufficient elasticity to pass on the finger pressure on the part 2 to actuate the key on the key. what happens by means of the insert 4 held movably in the recess.
- the part 2 can have a thickness of approximately 0.5 to 2 mm. An actuation of the piezocrystal keyboard, which works practically without a path, is thus easily possible.
- part 2 In the case of membrane keyboards that require a work path to switch, part 2 must be selected thinner (approximately 0.5 to 1 mm) to ensure that the keyboard is actuated.
- the insert 4 can be made of any rigid or only slightly compressible material, e.g. from a plastic.
- a print can be provided on the plate 1 to identify the key area below it.
- the marking can also be etched in the plate or applied or inserted as scratch-resistant as possible in another known manner.
- a zone of reduced stiffness can also be provided for each key of the membrane keyboard only for part of it; the other buttons are then not usable because covered by the rigid plate 1 and thus locked.
- certain buttons can be locked by means of the cover, if this is desired, and these buttons can be made operable again by exchanging the plate 1 for a correspondingly differently provided with other plate 1.
- Fig. 2 shows an embodiment in which the recess is formed only by a narrow groove 3 surrounding the key area.
- the recesses can be created using a variety of processing methods, e.g. by milling.
- Fig. 3 shows a further embodiment, the insert 4 in this case e.g. is attached to the part 2 of reduced thickness by gluing, welding or soldering.
- Fig. 4 shows an embodiment with a movable insert 4, which is connected to the part 2 via a snap spring 6 ("frog") arranged in the recess 3.
- frog snap spring 6
- FIG. 5 shows the case in which the recess extends through the plate 1.
- a further plate 5 is then arranged on the plate 1, which has a thickness which corresponds approximately to the thickness of the remaining part 2 in the previously described embodiments.
- the insert 4 again corresponds to FIG. 1.
- FIG. 6 shows an embodiment in which the recess extends into the plate 1 from the operating side. This also leaves a thinner material area 2, which allows the button to be pressed. In this embodiment, a depression is also created in which the operator's finger is held when the button is pressed, which prevents incorrect operation.
Landscapes
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
Description
Die Erfindung betrifft eine Abdeckung einer Betätigungsfläche von Folientastaturen.The invention relates to a cover of an actuating surface of membrane keyboards.
Folientastaturen, welche schon auf geringen Druck und/oder geringen Weg ansprechen und ein elektrisches Signal schalten oder erzeugen, finden dank ihren einfachen Einbaumöglichkeiten und ihrer Kostengünstigkeit zunehmend Verwendung.Membrane keyboards, which already respond to low pressure and / or travel and switch or generate an electrical signal, are increasingly used thanks to their simple installation options and their low cost.
Eine auf Druck ansprechende Folientastatur ist z.B. aus der europäischen Patentanmeldung 0 210 386 bekannt.A pressure sensitive membrane keyboard is e.g. known from European patent application 0 210 386.
In manchen Fällen vermag jedoch die relativ dünne Deckfolie der Folientastatur ästhetisch nicht zu befriedigen oder bietet ungenügenden Schutz für die Folientastatur; dies insbesonderes bei Anwendungen an öffentlich zugänglichen Geräten, z.B. Warenautomaten, Telefonen, welche zunehmender Vandalismusgefahr ausgesetzt sind. Die Deckfolie kann dabei nicht beliebig dick gemacht werden, da sonst keine genügende Druckübertragung auf die einzelnen Tasten erfolgt oder aber mehrere Tasten zugleich betätigt werden.In some cases, however, the relatively thin cover membrane of the membrane keyboard is not aesthetically satisfactory or offers insufficient protection for the membrane keyboard; this is particularly the case for applications on publicly accessible devices, e.g. Vending machines, telephones, which are increasingly exposed to the risk of vandalism. The cover film can not be made arbitrarily thick, since otherwise there is no sufficient pressure transfer to the individual buttons or several buttons are pressed at the same time.
Der Erfindung liegt deshalb die Aufgabe zugrunde, eine Abdeckung für die Betätigungsfläche von Folientastaturen zu schaffen, welche diesen zusätzliche Schutz und verbessertes Aussehen bietet, ohne die Betätigbarkeit der Tastatur zu beeinträchtigen.The invention is therefore based on the object of a cover for the actuating surface of To create membrane keyboards, which offers this additional protection and improved appearance, without impairing the operability of the keyboard.
Diese Aufgabe wird durch eine Abdeckung mit den kennzeichnenden Merkmalen des Patentanspruches 1 erreicht.This object is achieved by a cover with the characterizing features of
Im folgenden werden Ausführungsbeispiele der Erfindung anhand der Zeichnungen näher erläutert. Dabei zeigt:
- Fig. 1 eine Schnittansicht durch eine Folientastatur mit einer ersten Ausführung der erfindungsgemässen Abeckung;
- Fig. 2 eine Schnittansicht wie Fig. 1 mit einer Ausführungsform der Abdeckung;
- Fig. 3 eine weitere Ausführungsform in Schnittansicht;
- Fig. 4 eine Ausführungsform mit Schnappfeder in Schnittansicht;
- Fig. 5 eine Ausführung mit zusätzlicher Deckplatte in Schnittansicht, und
- Fig. 6 eine Ausführung mit einer muldenförmigen Ausnehmung.
- 1 shows a sectional view through a membrane keyboard with a first embodiment of the cover according to the invention;
- FIG. 2 shows a sectional view like FIG. 1 with an embodiment of the cover;
- 3 shows a further embodiment in sectional view;
- 4 shows an embodiment with a snap spring in a sectional view;
- Fig. 5 shows an embodiment with an additional cover plate in a sectional view, and
- Fig. 6 shows an embodiment with a trough-shaped recess.
Fig. 1 zeigt eine Schnittansicht eines Teiles der erfindungsgemässen Abdeckung, welcher über einer Taste einer Folientastatur liegt. Die Folientastatur 10 ist dabei beispielsweise in der Form einer druckbetätigbaren, weglosen piezoelektrischen Folientastatur gezeigt, wie sie aus der EP 0 210 386 bekannt ist. Die Abdeckung kann aber bei Folientastaturen beliebiger Konstruktion verwendet werden. Bei dem gezeigten Beispiel besteht die Folientastatur aus zwei Folien 12 und 13 und einer Abstandsfolie 11. In Ausnehmungen der Abstandsfolie 11 sind Piezokristallelemente eingesetzt, von denen in der Teilansicht der Fig. 1 eines, das Element 16, gezeigt ist. Dieses Element 16 wird über Leiterbahnen 15 auf den Folien 12 und 13 kontaktiert. Bei Druckeinwirkung auf die die Betätigungsfläche der Tastatur bildende Folie 12 im Bereich des Elementes 16, gibt dieses ein elektrisches Signal ab. Im gezeigten Beispiel ist die Folientastatur 10 auf dem Gehäuse 18 eines beliebigen elektrischen Gerätes angebracht. Bei anderen, nicht weglosen Arten von Folientastaturen werden durch die Druckeinwirkung elektrische Kontakte (Leiterbahnen) in Berührung gebracht oder Elemente verformt, welche dabei leitfähig werden.Fig. 1 shows a sectional view of a part of the cover according to the invention, which lies over a key of a membrane keyboard. The
Die erfindungsgemässe Abdeckung weist eine starre Platte 1 auf. Diese kann so dick gewählt werden und aus einem solchen Material, z.B. Aluminium, dass ein guter Schutz der darunter angeordneten Folientastatur 10 gewährleistet ist. Um gewünschte ästhetische Wirkungen zu erreichen, kann die Platte 1 z.B. aus Messing oder Holz bestehen. Jedenfalls wird unter einer starren Platte eine Platte verstanden, welche so dick ist, dass die darunterliegende Folientastatur bei Druck auf die Platte nicht einwandfrei betätigbar ist, sei es, dass keine Taste anspricht oder dass mehrere Tasten zugleich ansprechen.The cover according to the invention has a
Zur Betätigung der Tastatur sind deshalb in der Abeckung Zonen verminderter Steifigkeit vorgesehen, welche über den jeweiligen Tastenbereichen der Folientastaturen zu liegen kommen, wenn die Platte 1 auf der Folientastatur angeordnet ist. Die Anordnung der Platte 1 auf der Folientastatur 10 kann z.B. durch Klebung erfolgen oder durch einen Tastatur und Platte haltenden Rahmen oder durch Befestigung der Platte 1 am unter der Tastatur liegenden Gehäuse 18 eines Gerätes.To actuate the keyboard, zones of reduced rigidity are therefore provided in the cover, which come to lie over the respective key areas of the membrane keyboards when the
Die Zonen verminderter Steifigkeit können durch Aenderungen in den Materialeigenschaften der Platte an den jeweiligen Stellen erreicht werden. Bei den gezeigten Beispielen wird die Platte 1 jeweils oberhalb des Tastenbereiches mit einer Ausnehmung versehen. Bei dem in Fig. 1 gezeigten Beispiel ist die Ausnehmung gegen die Folie 12 hin offen und ist so tief gewählt, dass der über der Ausnehmung verbleibende Plattenteil 2 eine genügende Elastizität aufweist, um den Fingerdruck auf den Teil 2 zur Tastenbetätigung auf die Taste weiterzugeben, was mittels dem in der Ausnehmung beweglich gehaltenen Einsatz 4 geschieht. Bei einer Platte 1 aus Aluminium von 5 mm Dicke kann der Teil 2 eine Dicke von ca. 0,5 bis 2 mm aufweisen. Damit ist eine Betätigung der Piezokristalltastatur, welche praktisch weglos arbeitet, ohne weiteres möglich. Bei Folientastaturen, welche zum Schalten einen Arbeitsweg benötigen, muss der Teil 2 dünner gewählt werden (etwa 0,5 bis 1 mm), um eine Betätigung der Tastatur sicherzustellen.The zones of reduced stiffness can be reached by changing the material properties of the plate at the respective points. In the examples shown, the
Der Einsatz 4 kann aus einem beliebigen starren oder nur geringfügig kompressiblen Material bestehen, z.B. aus einem Kunststoff.The
Auf der Platte 1 kann ein Aufdruck vorgesehen werden zur Kennzeichnung des darunterliegenden Tastenbereiches. Für besonders beanspruchte Tastaturen kann die Kennzeichnung auch in der platte geätzt oder auf andere bekannte Weise möglichst kratzfest auf- oder eingebracht werden. Es kann ferner für jede Taste der Folientastatur eine Zone verminderter Steifigkeit vorgesehen werden oder nur für einen Teil davon; die anderen Tasten sind dann nicht benützbar, da durch die starre Platte 1 abgedeckt und somit gesperrt. So können mittels der Abdeckung gewisse Tasten gesperrt werden, sofern dies gewünscht ist, und diese Tasten können durch Austausch der Platte 1 gegen eine entsprechend anders mit Ausnehmungen versehene andere Platte 1 wieder betätigbar gemacht werden.A print can be provided on the
Fig. 2 zeigt eine Ausführungsform, bei welcher die Ausnehmung nur durch eine schmale, um den Tastenbereich umlaufende Nut 3 gebildet wird. Die Ausnehmungen können je nach Material der Platte mittels verschiedenster Bearbeitungsmethoden erzeugt werden, z.B. durch Fräsen.Fig. 2 shows an embodiment in which the recess is formed only by a
Fig. 3 zeigt eine weitere Ausführungsform, wobei der Einsatz 4 in diesem Falle z.B. durch Kleben, Schweissen oder Löten an dem Teil 2 verminderter Dicke befestigt ist.Fig. 3 shows a further embodiment, the
Fig. 4 zeigt eine Ausführungsform mit einem beweglichen Einsatz 4, wobei dieser mit dem Teil 2 über eine in der Ausnehmung 3 angeordnete Schnappfeder 6 ("Frosch") in Verbindung steht. Damit erhält die Tastatur einen Druckpunkt, und es entsteht ein - je nach Wahl der Feder 6 - mehr oder weniger ausgeprägtes Betätigungsgeräusch.Fig. 4 shows an embodiment with a
Fig. 5 zeigt den Fall, bei welchem die Ausnehmung durch die Platte 1 hindurch verläuft. Auf der Platte 1 ist dann eine weitere Platte 5 angeordnet, welche eine Dicke besitzt, die etwa der Dicke des verbleibenden Teiles 2 bei den vorherig beschriebenen Ausführungsformen entspricht. Der Einsatz 4 entspricht wiederum der Fig. 1.5 shows the case in which the recess extends through the
Fig. 6 zeigt eine Ausführungsform, bei welcher sich die Ausnehmung von der Bedienungsseite her in die Platte 1 erstreckt. Auch dabei verbleibt ein dünnerer Materialbereich 2, welcher die Betätigung der Taste erlaubt. Bei dieser Ausführungsform wird zugleich eine Mulde geschaffen, in welcher der Finger der Bedienungsperson bei der Tastenbetätigung Halt findet, was Fehlbedienungen verhindert.FIG. 6 shows an embodiment in which the recess extends into the
Claims (10)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP88118451A EP0366832B1 (en) | 1988-11-04 | 1988-11-04 | Cover for contact foil keyboards |
AT88118451T ATE102388T1 (en) | 1988-11-04 | 1988-11-04 | COVER FOR FOIL KEYBOARDS. |
DE88118451T DE3888182D1 (en) | 1988-11-04 | 1988-11-04 | Cover for membrane keyboards. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP88118451A EP0366832B1 (en) | 1988-11-04 | 1988-11-04 | Cover for contact foil keyboards |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0366832A1 true EP0366832A1 (en) | 1990-05-09 |
EP0366832B1 EP0366832B1 (en) | 1994-03-02 |
Family
ID=8199526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88118451A Expired - Lifetime EP0366832B1 (en) | 1988-11-04 | 1988-11-04 | Cover for contact foil keyboards |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0366832B1 (en) |
AT (1) | ATE102388T1 (en) |
DE (1) | DE3888182D1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4202438A1 (en) * | 1992-01-29 | 1993-08-05 | Siemens Ag | OPERATING PANEL FOR A DENTAL DEVICE |
EP0692803A1 (en) * | 1994-07-13 | 1996-01-17 | GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co. KG. | Device for transmitting the force applied to a key onto a force sensor |
WO1996002061A1 (en) * | 1994-07-08 | 1996-01-25 | Expo Safety Systems Limited | Keyboard system |
US6415138B2 (en) | 1997-11-27 | 2002-07-02 | Nokia Mobile Phones Ltd. | Wireless communication device and a method of manufacturing a wireless communication device |
DE102004047516A1 (en) * | 2004-09-28 | 2006-04-06 | Carl Freudenberg Kg | Sensor arrangement and uses of a sensor arrangement |
DE102004021542B4 (en) * | 2003-05-08 | 2006-07-13 | Lear Corp., Southfield | Modular switching system |
DE102005053929A1 (en) * | 2005-11-11 | 2007-05-16 | Bsh Bosch Siemens Hausgeraete | Operating unit for e.g. stove top, has cover surface and pressure sensor, arranged within top plate, so that plate forms counter surface for pressure sensor having electrodes that are arranged opposite to sides of cover surface and plate |
DE102007054778A1 (en) * | 2007-11-16 | 2009-05-20 | Diehl Ako Stiftung & Co. Kg | Operating device with at least one pressure switch |
DE102008062216A1 (en) * | 2008-12-13 | 2010-06-17 | Diehl Ako Stiftung & Co. Kg | Operating device with at least one pressure switch |
EP2013971B1 (en) * | 2006-04-25 | 2019-05-22 | Aito B.V. | Switch unit comprising a touch panel being part of a front plate extending over a full face of a device and corresponding device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3643041A (en) * | 1970-12-30 | 1972-02-15 | Unidynamics Phoenix | Pushbutton diaphragm switch with improved dimple actuator and/or capacitance-type switch contact structure |
DE3006592A1 (en) * | 1980-02-22 | 1981-08-27 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Key pad with double sandwich construction - has top layer shouldered support press buttons operating foam support contact gap structure |
US4620075A (en) * | 1983-06-10 | 1986-10-28 | Price Pfister, Inc. | Unitized control panel |
DE3618131A1 (en) * | 1985-05-31 | 1986-12-04 | Sharp K.K., Osaka | Push-button switch device |
US4771139A (en) * | 1986-06-27 | 1988-09-13 | Desmet Gregory L | Keyboard with metal cover and improved switches |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH667763A5 (en) * | 1985-07-23 | 1988-10-31 | Schenk & Co | FILM KEYBOARD. |
-
1988
- 1988-11-04 AT AT88118451T patent/ATE102388T1/en not_active IP Right Cessation
- 1988-11-04 DE DE88118451T patent/DE3888182D1/en not_active Expired - Fee Related
- 1988-11-04 EP EP88118451A patent/EP0366832B1/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3643041A (en) * | 1970-12-30 | 1972-02-15 | Unidynamics Phoenix | Pushbutton diaphragm switch with improved dimple actuator and/or capacitance-type switch contact structure |
DE3006592A1 (en) * | 1980-02-22 | 1981-08-27 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Key pad with double sandwich construction - has top layer shouldered support press buttons operating foam support contact gap structure |
US4620075A (en) * | 1983-06-10 | 1986-10-28 | Price Pfister, Inc. | Unitized control panel |
DE3618131A1 (en) * | 1985-05-31 | 1986-12-04 | Sharp K.K., Osaka | Push-button switch device |
US4771139A (en) * | 1986-06-27 | 1988-09-13 | Desmet Gregory L | Keyboard with metal cover and improved switches |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4202438A1 (en) * | 1992-01-29 | 1993-08-05 | Siemens Ag | OPERATING PANEL FOR A DENTAL DEVICE |
US5371332A (en) * | 1992-01-29 | 1994-12-06 | Siemens Aktiengesellschaft | Sensor control and display unit for dental apparatus |
WO1996002061A1 (en) * | 1994-07-08 | 1996-01-25 | Expo Safety Systems Limited | Keyboard system |
EP0692803A1 (en) * | 1994-07-13 | 1996-01-17 | GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co. KG. | Device for transmitting the force applied to a key onto a force sensor |
US6415138B2 (en) | 1997-11-27 | 2002-07-02 | Nokia Mobile Phones Ltd. | Wireless communication device and a method of manufacturing a wireless communication device |
DE102004021542B4 (en) * | 2003-05-08 | 2006-07-13 | Lear Corp., Southfield | Modular switching system |
DE102004047516A1 (en) * | 2004-09-28 | 2006-04-06 | Carl Freudenberg Kg | Sensor arrangement and uses of a sensor arrangement |
DE102005053929A1 (en) * | 2005-11-11 | 2007-05-16 | Bsh Bosch Siemens Hausgeraete | Operating unit for e.g. stove top, has cover surface and pressure sensor, arranged within top plate, so that plate forms counter surface for pressure sensor having electrodes that are arranged opposite to sides of cover surface and plate |
EP2013971B1 (en) * | 2006-04-25 | 2019-05-22 | Aito B.V. | Switch unit comprising a touch panel being part of a front plate extending over a full face of a device and corresponding device |
DE102007054778A1 (en) * | 2007-11-16 | 2009-05-20 | Diehl Ako Stiftung & Co. Kg | Operating device with at least one pressure switch |
DE102008062216A1 (en) * | 2008-12-13 | 2010-06-17 | Diehl Ako Stiftung & Co. Kg | Operating device with at least one pressure switch |
DE102008062216B4 (en) * | 2008-12-13 | 2010-09-23 | Diehl Ako Stiftung & Co. Kg | Operating device with at least one pressure switch |
Also Published As
Publication number | Publication date |
---|---|
EP0366832B1 (en) | 1994-03-02 |
ATE102388T1 (en) | 1994-03-15 |
DE3888182D1 (en) | 1994-04-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69824488T2 (en) | Capacitive switch with elastomeric diaphragm actuator | |
DE10158580B4 (en) | switch | |
DE102011119896B4 (en) | switch device | |
DE2319042B2 (en) | KEYBOARD | |
DE2341521A1 (en) | PUSH BUTTON SWITCH | |
DE3124625A1 (en) | SWITCH ARRANGEMENT, IN PARTICULAR KEYPAD WITH LABELING | |
DE3041544A1 (en) | ELECTRIC SWITCHES AND KEYBOARDS WITH SUCH SWITCHES | |
DE2551761A1 (en) | PUSH KEYPAD | |
DE2347722B2 (en) | PUSH BUTTON SWITCH | |
EP0036570A2 (en) | Keyboard | |
DE3226348A1 (en) | KEYBOARD SWITCHING UNIT | |
EP0366832B1 (en) | Cover for contact foil keyboards | |
DE2459464B2 (en) | KEYBOARD DEVICE | |
DE102014114170B4 (en) | Control element with safety mat | |
EP3078046B1 (en) | Keyboard comprising multiple stabilized tile-shaped keys | |
DE102013003659B4 (en) | Illuminated capacitive button | |
CH675028A5 (en) | Front protective cover plate for foil keyboard - has reduced thickness zone above each piezoelectric keyboard element providing zone of high elasticity in cover plate | |
EP3131109B1 (en) | Gapless key | |
EP0553692A1 (en) | Control panel for dental apparatus | |
EP0347375B1 (en) | Push button disposition on a circuit board | |
DE102021112594A1 (en) | Keyboard and associated key and associated setting mechanism | |
DE3716761A1 (en) | MEMBRANE KEYBOARD | |
EP0254966A2 (en) | Flat keyboard | |
DE102007045871B4 (en) | keypad | |
DE29803399U1 (en) | Keyboard contact mat for electrical and electronic devices |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE DE FR GB IT LU NL SE |
|
17P | Request for examination filed |
Effective date: 19900531 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DYNALAB AG |
|
17Q | First examination report despatched |
Effective date: 19920527 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE DE FR GB IT LU NL SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT Effective date: 19940302 Ref country code: NL Effective date: 19940302 Ref country code: BE Effective date: 19940302 Ref country code: SE Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19940302 |
|
REF | Corresponds to: |
Ref document number: 102388 Country of ref document: AT Date of ref document: 19940315 Kind code of ref document: T |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19940228 |
|
REF | Corresponds to: |
Ref document number: 3888182 Country of ref document: DE Date of ref document: 19940407 |
|
ET | Fr: translation filed | ||
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19941130 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20010123 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20010124 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20010130 Year of fee payment: 13 Ref country code: AT Payment date: 20010130 Year of fee payment: 13 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20011104 Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20011104 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20011104 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020702 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020730 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |