EP0952598B1 - Dispositif de commande avec touches métallisées - Google Patents

Dispositif de commande avec touches métallisées Download PDF

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Publication number
EP0952598B1
EP0952598B1 EP19990107779 EP99107779A EP0952598B1 EP 0952598 B1 EP0952598 B1 EP 0952598B1 EP 19990107779 EP19990107779 EP 19990107779 EP 99107779 A EP99107779 A EP 99107779A EP 0952598 B1 EP0952598 B1 EP 0952598B1
Authority
EP
European Patent Office
Prior art keywords
keys
metallizations
metallized
operating unit
electrically conductive
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
EP19990107779
Other languages
German (de)
English (en)
Other versions
EP0952598A3 (fr
EP0952598A2 (fr
Inventor
Peter GRUNDIG AG Krieger
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.)
Grundig AG
Original Assignee
Grundig Multimedia BV
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 Grundig Multimedia BV filed Critical Grundig Multimedia BV
Publication of EP0952598A2 publication Critical patent/EP0952598A2/fr
Publication of EP0952598A3 publication Critical patent/EP0952598A3/fr
Application granted granted Critical
Publication of EP0952598B1 publication Critical patent/EP0952598B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H2209/002—Materials
    • H01H2209/0021—Materials with metallic appearance, e.g. polymers with dispersed particles to produce a metallic appearance
    • 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
    • H01H2219/00—Legends
    • H01H2219/028—Printed information
    • H01H2219/034—Coloured areas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/014—Electro deposition
    • 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
    • H01H9/02—Bases, casings, or covers
    • H01H9/0214—Hand-held casings
    • H01H9/0235—Hand-held casings specially adapted for remote control, e.g. of audio or video apparatus

Definitions

  • the invention relates to an operating device, in particular remote control transmitter for a consumer electronics device, with a contact mat having keys to which certain functions are assigned.
  • Such an operating device is used for example as a remote control transmitter for a television set.
  • the keys of the remote control transmitter are usually made of a silicone contact mat, in which the individual keys are arranged resiliently mounted.
  • the problem is that the keys are not equal to such a high stress and discolored at high stress, the key surface and possibly even dissolves.
  • the visual impression of the keys formed from silicone is not very high quality.
  • plastic moldings which are made of metal, which is easily attacked by an etching solution, coated with a coating layer.
  • This coating layer is mainly composed of synthetic resins which are less affected by the etching solution than the plastic materials, the plastic moldings being immersed in the etching solution and these surfaces electro-plated after chemical plating.
  • a keyboard with a plurality of insertable in recess of a cover key caps is known.
  • the keys in their depressed state, act on actuators associated with them.
  • the key caps are approximately pot-shaped and have in the interior of the keyboard on an outwardly bent edge which engages between a spacer frame and a pressure plate, and forms the stroke limit of the keys.
  • Object of the present invention is to provide an operating device of the type mentioned, the keys are robust against mechanical wear and is easy and inexpensive to produce.
  • the basic structure of an operating device according to the invention can remain essentially unchanged.
  • the keys of the operating device in the usual and known manner of a silicone contact mat.
  • a higher strength of the keys and a higher visual impression are achieved by providing the key surfaces with a metallization.
  • the metallization can be carried out in different colors and designs, so that certain functional groups can be provided with different colors and designs.
  • the application of different colored silicone structures is eliminated.
  • the operating device according to the invention can be produced in a simple manner and has a high strength of the keyboard surfaces.
  • Ve Kunststoffenen color and design requirements can be easily taken into account by the fact that the control device has different keypad areas, the keys are each provided with different metallizations, the different metallizations are each generated by the fact that the keys with the same metallizations with a common electrically conductive layer are provided.
  • the preparation is carried out in an advantageous manner so that the contact mat for producing the electrically conductive layers is covered with a template so that only the intended for metallization keys and connecting webs remain free between such keys, which are each provided with the same metallizations.
  • a common for several keys metallization can be done by the fact that provided for the same metallizations keypad areas each have contact points that serve with the buttons to be metallized and the connecting webs as contact points for applying the different metallizations.
  • metallization and the electrically conductive layer are that a galvanic metalization is provided and that the electrically conductive layer is formed by Leitlack or plasma evaporation.
  • Fig. 1 shows an embodiment of a contact mat of a remote control transmitter with metallized keys.
  • the contact mat 4 is formed for example of silicone rubber and has certain keyboard field areas 5, 6, 7, 8 with buttons 11.
  • the keypad area 6 for program selection and volume control
  • the keypad area 7 for example for programming a television and teletext applications
  • the keypad area 8 for direct program selection by means of Ziffemtasten
  • the key 9 for turning off the TV in the standby mode
  • the keypad area 5 for teletext applications, etc. provided.
  • the particular feature of the contact mat 4 shown in Fig. 1 is that in particular the heavy duty underlying keys 11 are metallized example of the keyboard field area 6 for program selection and volume, the metallization is generated in such a way that the keys 11 in a first step are provided during manufacture with a conductive layer, which is provided in a second step with a metallization. This will be explained in detail in connection with FIGS. 3a to 3e. Overall, results from the metallization of the keys 11 of the silicone mat 4, a higher strength of the keys 11 and a higher quality optics.
  • Fig. 2 shows an embodiment of a remote control transmitter, in which the contact mat 4 shown in Fig. 1 is integrated.
  • the remote control transmitter consists of an upper housing part 2 and a lower housing part 3.
  • the special feature of the remote control transmitter shown in Fig. 2 is that the remote control transmitter has metallized keys 11.
  • the metallization of the keys leads both to a higher strength of the keys 11 and to a higher optical quality of the remote control transmitter as a whole.
  • the principle of the metallized keys is also in devices integrated in operating devices, such as in the car radio area, etc., can be used.
  • Fig. 3a to Fig. 3e shows a schematic representation of the individual process steps for metallization of the keys 11 of a contact mat 4, for example, for a remote control transmitter or another in a device integrated control device can be used.
  • Fig. 3a is a Kotaktmatte 4 shown having keys 11. The presentation is done on the left side from above and on the right side. This also applies to FIGS. 3b to 3e.
  • a template 10 is shown, the recesses 22, 23, 25, 26, 27, 28 has. The recesses correspond essentially to the arrangement pattern of the keys 11 of the contact mat 4 shown in Fig. 3a.
  • Plasma evaporation provided with an electrically conductive layer 20, which then takes place as the last step on the contact points 13 ... 18, a galvanic metallization of these areas.
  • the invention thus relates to an operating device, in particular for a consumer electronics device.
  • the operating device has a contact mat with buttons, wherein the keys are metallized thereby to achieve a higher strength.
  • the metallization takes place in that the buttons to be metallized are metallized in a first step with an electrically conductive layer and in a second step.
  • the keys which are each to receive the same metallization, are electrically conductively connected to one another via electrically conductive connecting webs, so that keys to be provided with the same metallization can be easily metallized together in a simple manner.
  • achieving a higher mechanical strength also results in a higher-quality visual impression of the keys and thus the operating device.

Landscapes

  • Push-Button Switches (AREA)
  • Selective Calling Equipment (AREA)

Claims (10)

  1. Dispositif de commande pour un appareil de l'électronique de divertissement comportant un tapis de contacts (4), qui présente des touches (11), qui sont associées à des fonctions déterminées,
    caractérisé en ce que
    les touches (11) sont munies d'une couche électriquement conductrice (20, 21) et d'une métallisation (32,..., 36), où le dispositif de commande présente différentes zones de clavier (5, 6, 7, 8, 9), dont les touches (11) sont munies respectivement de différentes métallisations (32,..., 36), où les différentes métallisations (32,..., 36) sont respectivement produites en ce que les touches (11) avec les mêmes métallisations (32,..., 36) sont prévues avec une couche électriquement conductrice commune (20, 21).
  2. Dispositif de commande selon la revendication 1, caractérisé en ce que le dispositif de commande est une télécommande.
  3. Dispositif de commande selon une des revendications 1 ou 2, caractérisé en ce que le tapis de contacts (4) est recouvert d'un pochoir (10) pour produire les couches électriquement conductrices (20, 21) de sorte que seulement les touches (11) prévues pour une métallisation (32,..., 36) ainsi que les liaisons entre ces touches (11) restent libres, qui doivent être munies des métallisations similaires respectives (32,..., 36).
  4. Dispositif de commande selon l'une des revendications 1 à 3, caractérisé en ce que les zones de clavier (5, 6, 7, 8, 9) prévues pour des métallisations similaires (32,..., 36) présentent des points de contact respectifs (13, 15, 17, 18), qui sont utilisés avec les touches à métalliser (11) et les liaisons en tant que points de contact pour l'application des différentes métallisations (32,..., 36).
  5. Dispositif de commande selon l'une des revendications 1 à 4, caractérisé en ce que une métallisation galvanique (32,..., 36) est prévue.
  6. Dispositif de commande selon l'une des revendications 1 à 5, caractérisé en ce que la couche électriquement conductrice (20, 21) est produite par vernis conducteur ou par métallisation par plasma.
  7. Procédé de fabrication d'un dispositif de commande selon la revendication 1 d'un appareil de l'électronique de divertissement comportant un tapis de contacts (4), qui présente des touches de fonction (5, 6, 7, 8, 9),
    caractérisé en ce que le procédé comprend les étapes suivantes :
    - recouvrir le tapis de contacts (4) avec un pochoir (10) de manière que seules les touches à métalliser (11) ainsi que les liaisons disposées entre les touches à métalliser (11) restent libres grâce au pochoir (10),
    - munir les touches à métalliser (11) ainsi que les liaisons disposées entre les touches à métalliser (11) d'une couche électriquement conductrice et
    - métalliser les zones munies de la couche électriquement conductrice.
  8. Procédé selon la revendication 7, caractérisé en ce que les touches (11) des zones de clavier pouvant être déterminées (5, 6, 7, 8, 9) sont munies respectivement de métallisations différentes (32,..., 36), où les métallisations différentes (32,..., 36) sont produites respectivement en ce que les touches (11) avec des métallisations similaires (32,..., 36) sont munies d'une couche électriquement conductrice commune (20, 21).
  9. Procédé selon l'une des revendications 7 ou 8, caractérisé en ce que le tapis de contacts (4) est recouvert d'un pochoir (10) pour produire les couches électriquement conductrices (20, 21) de sorte que seulement les touches (11) prévues pour une métallisation (32,..., 36) ainsi que les liaisons entre les touches (11) restent libres, qui sont prévues avec des métallisations similaires respectives (32,..., 36).
  10. Procédé selon l'une des revendications 7 à 9, caractérisé en ce que la métallisation des touches (11) dans les zones de clavier (5, 6, 7, 8, 9) prévues avec une métallisation similaire (32,..., 36) s'effectue par l'intermédiaire de points de contact (13, 15, 17, 18), qui sont utilisés avec les touches à métalliser (11) et les liaisons en tant que points de contact pour l'application des différentes métallisations (32,..., 36).
EP19990107779 1998-04-22 1999-04-20 Dispositif de commande avec touches métallisées Expired - Lifetime EP0952598B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19817958 1998-04-22
DE1998117958 DE19817958A1 (de) 1998-04-22 1998-04-22 Bedienvorrichtung mit metallisierten Tasten

Publications (3)

Publication Number Publication Date
EP0952598A2 EP0952598A2 (fr) 1999-10-27
EP0952598A3 EP0952598A3 (fr) 2000-05-10
EP0952598B1 true EP0952598B1 (fr) 2006-09-06

Family

ID=7865433

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990107779 Expired - Lifetime EP0952598B1 (fr) 1998-04-22 1999-04-20 Dispositif de commande avec touches métallisées

Country Status (3)

Country Link
EP (1) EP0952598B1 (fr)
DE (2) DE19817958A1 (fr)
ES (1) ES2272025T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI108096B (fi) * 1999-12-28 2001-11-15 Nokia Mobile Phones Ltd Kapasitiivisesti kytketty näppäimistörakenne
DE10356838A1 (de) 2003-12-05 2005-07-21 Tecpharma Licensing Ag Dichtungselement
DE102007029193A1 (de) * 2007-06-25 2009-01-08 BSH Bosch und Siemens Hausgeräte GmbH Bedienvorrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4930274B1 (fr) * 1970-06-03 1974-08-12
DE3228242C2 (de) * 1982-07-28 1990-01-04 Siemens AG, 1000 Berlin und 8000 München Tastatur
US4876145A (en) * 1984-02-09 1989-10-24 Denki Kagaku Kogyo Kabushiki Kaisha Plated resin article
DE3642780A1 (de) * 1986-05-05 1987-11-12 Siemens Ag Detektormatte und verfahren zu ihrer herstellung
US5911317A (en) * 1997-08-26 1999-06-15 Silitek Corporation Light permeable metal plated rubber key

Also Published As

Publication number Publication date
EP0952598A3 (fr) 2000-05-10
DE19817958A1 (de) 1999-11-04
ES2272025T3 (es) 2007-04-16
EP0952598A2 (fr) 1999-10-27
DE59913827D1 (de) 2006-10-19

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