EP0376949A1 - Electric or electronic control keyboard. - Google Patents

Electric or electronic control keyboard.

Info

Publication number
EP0376949A1
EP0376949A1 EP88905210A EP88905210A EP0376949A1 EP 0376949 A1 EP0376949 A1 EP 0376949A1 EP 88905210 A EP88905210 A EP 88905210A EP 88905210 A EP88905210 A EP 88905210A EP 0376949 A1 EP0376949 A1 EP 0376949A1
Authority
EP
European Patent Office
Prior art keywords
bulb
front plate
plate
light
lights
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
Application number
EP88905210A
Other languages
German (de)
French (fr)
Other versions
EP0376949B1 (en
Inventor
Bernard Danglot
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT88905210T priority Critical patent/ATE116475T1/en
Publication of EP0376949A1 publication Critical patent/EP0376949A1/en
Application granted granted Critical
Publication of EP0376949B1 publication Critical patent/EP0376949B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0006—Permanent magnet actuating reed switches
    • H01H36/0066—Permanent magnet actuating reed switches magnet being removable, e.g. part of key pencil

Definitions

  • the invention relates to an electrical or electronic control keyboard.
  • the keyboard described in the aforementioned patent cannot be used in any location because of its volume.
  • the purpose of the present invention is to remedy this drawback, to produce an ultra-flat keyboard and to improve its performance.
  • the electrical or electronic control keyboard consists of a housing, a front closing plate which does not allow the magnetic flux to pass except at the locations of the lights provided for this purpose, a bulb (with blades and legs) by light, and placed in the housing and flush with the front face so as to detect the flow passing through the said light, a printed circuit in the bottom of the housing and to which the legs of the bulbs are connected, keyboard characterized in that only the 'one of the legs of each bulb is arranged under the corresponding lumen, while the body of the bulb with the other leg are placed under the solid part of the front plate.
  • the tab placed in front of the light is curved in a plane parallel to the front face. The flux generated by a magnet presented in front of the light can only reach one leg of the bulb. The flux is then led to the blades of the bulb which are attracted
  • a cable comes out laterally or through the back of the box to connect the bulbs to a decoder located at a distance.
  • the lights of the plate can be arranged in a continuous parallel line and at a short distance from the edge of the box.
  • the axis of each bulb passes substantially through the center of the plate and the center of a lumen.
  • Fig. 1 is a front perspective view without protective glass
  • Fig. 2 is a partial section along II-II of FIG. 1,
  • Fig. 3 is a top view, the indicator sheet being removed.
  • the keyboard consists of a box 1, of shallow depth closed by a front plate 2 comprising lights 3. From this box 1, a cable 4 comes out which connects it to another box 5, containing the coder-decoder device.
  • Fig. 2 shows the body of the bulb 9 arranged parallel under the solid part of the front plate 2. Only the tab 6 passes in front of the light 3. The tab 6 is bent and the free ends of the two tabs are fixed to a printed circuit * This circuit can be printed directly on. ' .the " bottom 19 of the box 1, or on a special plate 8 fixed to the said bottom of the box.
  • Fig. 3 shows that the bulbs 9 to 18 are arranged radially, each bulb is located in the axis going from the center of the box 1 to the center of a light 3.
  • the non-curved tabs 7 are all directed towards the center of the box.
  • the cable 4 preferably leaves the box 1 through the center of the bottom of the box.
  • the keyboard is strictly waterproof and can be submerged.
  • the lights 3 of the front plate 2 are filled with a resin (or another product) allowing the magnetic field to pass, and the front plate 2 is glued or welded in a sealed manner to the housing 1 Likewise, the outlet hole of the cable 4 is blocked by resin according to a preferred method of manufacture.
  • the keyboard as described is fixed or applied to the rear face of a window or any other non-magnetic plate, and each bulb is actuable by a magnet presented on the front face of said window, in line with the corresponding reference.
  • the command is transmitted to the codec-decoder 5 which can be distant from the keyboard.
  • the keyboard is thin, five millimeters for example, and of a small surface, square of five centimeters of side for example, so it is easily accommodated, see concealable inside a building or a piece of furniture .
  • the thickness of the glass (or of any other non-magnetic plate) is very different depending on the use case, and the magnetic flux which crosses it at a more or less long distance to be traversed by widening more or less .
  • the useful surface of each light is adaptable to this flow, and in fact adjustable according to
  • This adaptation can be carried out by various means. The technically simplest way is to remove the plate 2 and replace it with another plate externally of the same size, but whose diameter of the lights is different. One can also keep the existing plate 2 and subject to it another plate with lights at the same empla ⁇ cements but of smaller diameter.
  • the installer can have at his disposal a set of varied plates, the diameter of the lights of which differs according to the category of the plate, and choose at the time of assembly a plate of the category most appropriate for the distance provided between the bulb 9 and magnet 21, whether in the case of replacing the plate 2 or in the case of adding an additional plate.

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Casings For Electric Apparatus (AREA)
  • Lock And Its Accessories (AREA)

Abstract

Clavier de commande électrique ou électronique constitué par un boîtier, une plaque avant (2) de fermeture ne laissant pas passer le flux magnétique sauf aux emplacements de lumières (3) prévues à cet effet, une ampoule telle que (9) à lames et pattes, par lumière et placée dans le boîtier parallèlement et au ras de la plaque avant (2) de façon à détecter le flux passant par ladite lumière (3), un circuit imprimé dans le fond du boîtier et auquel les ampoules (9 à 18) sont connectées. Une patte de chaque ampoule est disposée sous la lumière correspondante, tandis que le corps de l'ampoule avec l'autre patte sont placés sous la partie pleine de la plaque avant (2). Application aux claviers placés derrière une vitre et commandés à l'aide d'un aimant.Electric or electronic control keyboard consisting of a casing, a front closing plate (2) not allowing the magnetic flux to pass except at the light locations (3) provided for this purpose, a bulb such as (9) with blades and legs , by light and placed in the box parallel and flush with the front plate (2) so as to detect the flux passing through said light (3), a printed circuit in the bottom of the box and to which the bulbs (9 to 18) are connected. One leg of each bulb is placed under the corresponding light, while the body of the bulb with the other leg are placed under the solid part of the front plate (2). Application to keyboards placed behind glass and controlled using a magnet.

Description

L'invention concerne un clavier de commande électrique ou électronique. The invention relates to an electrical or electronic control keyboard.
Dans le brevet français n° 83 19245 déposé le 1er Décembre 1983, au nom de Monsieur DANGLOT Bernard, on a décrit un clavier permettant la formation de codes de commandes électriques, constitué d'une boîte fermée contenant un dispositif comprenant une ou des ampoules à lames de contacts sensibles à un champ magnétique, carac¬ térisé en ce que l'ouverture de la boîte est obstruée par une paroi à lumières, dont la partie pleine est consti¬ tuée en une matière ne laissant pas passer le champ magné¬ tique, et en ce que les lames d'une ampoule sont disposées sous chaque lumière de cette paroi de façon à être action- nables sous l'effet d'un champ magnétique provoqué par un aimant amovible présenté devant la dite lumière, exté¬ rieurement à la boîte.In French patent n ° 83 19245 filed on December 1, 1983, in the name of Mr. DANGLOT Bernard, a keyboard has been described allowing the formation of electrical control codes, consisting of a closed box containing a device comprising one or more light bulbs. contact blades sensitive to a magnetic field, charac¬ terized in that the opening of the box is obstructed by a wall with lights, the solid part of which is made of a material which does not allow the magnetic field to pass through, and in that the blades of a bulb are arranged under each light of this wall so as to be operable under the effect of a magnetic field caused by a removable magnet presented in front of said light, exté¬ laughing at the box.
Bien que donnant entière satisfaction, le cla - vier décrit dans le brevet précité, ne peut pas être utili¬ sé dans n'importe quel emplacement en raison de son volume. La présente invention a pour but de remédier à cet inconvé¬ nient, de réaliser un clavier ultra-plat et d'améliorer ses performances.Although entirely satisfactory, the keyboard described in the aforementioned patent cannot be used in any location because of its volume. The purpose of the present invention is to remedy this drawback, to produce an ultra-flat keyboard and to improve its performance.
Selon l'invention le clavier de commande élec¬ trique ou électronique est constitué par un boîtier, une plaque avant de fermeture ne laissant pas passer le flux magnétique sauf aux emplacements des lumières prévues à cet effet, une ampoule (à lames et pattes) par lumière, et placée dans le boîtier et au ras de la face avant de façon à détecter le flux traversant par la dite lumière, un circuit imprimé dans le fond du boîtier et auquel les pattes des ampoules sont connectées, clavier caractérisé en ce que seule l'une des pattes de chaque ampoule est disposée sous la lumière correspondante, tandis que le corps de l'ampoule avec l'autre patte sont placés sous la partie pleine de la plaque avant. La patte placée devant la lumière est recourbée dans un plan parallèle à la face avant. Le flux engendré par un aimant présenté devant la lumière ne peut atteindre qu'une patte de l'ampoule. Le flux est ensuite conduit aux lames de l'ampoule qui sont attiréesAccording to the invention, the electrical or electronic control keyboard consists of a housing, a front closing plate which does not allow the magnetic flux to pass except at the locations of the lights provided for this purpose, a bulb (with blades and legs) by light, and placed in the housing and flush with the front face so as to detect the flow passing through the said light, a printed circuit in the bottom of the housing and to which the legs of the bulbs are connected, keyboard characterized in that only the 'one of the legs of each bulb is arranged under the corresponding lumen, while the body of the bulb with the other leg are placed under the solid part of the front plate. The tab placed in front of the light is curved in a plane parallel to the front face. The flux generated by a magnet presented in front of the light can only reach one leg of the bulb. The flux is then led to the blades of the bulb which are attracted
I l'une vers l'autre, et ferme un circuit électrique. Un câble sort latéralement ou par la face arrière du boîtier pour relier les ampoules à un décodeur situé à distance. Les lumières de la plaque peuvent être disposées suivant une ligne continue parallèle et à faible distance du bord de la boîte. De préférence, l'axe de chaque ampoule passe sensiblement par le centre de la plaque et le centre d'une lumière. I towards each other, and closes an electrical circuit. A cable comes out laterally or through the back of the box to connect the bulbs to a decoder located at a distance. The lights of the plate can be arranged in a continuous parallel line and at a short distance from the edge of the box. Preferably, the axis of each bulb passes substantially through the center of the plate and the center of a lumen.
Pour mieux faire comprendre l'invention il est donné ci-après un exemple de réalisation en référence aux dessins annexés dans lesquels :To better understand the invention, an exemplary embodiment is given below with reference to the appended drawings in which:
Fig. 1 est une vue de face en perspective sans vitre protectrice,Fig. 1 is a front perspective view without protective glass,
Fig. 2 est une coupe partielle suivant II-II de la Fig. 1,Fig. 2 is a partial section along II-II of FIG. 1,
Fig. 3 est une vue de dessus, la feuille indica¬ trice étant enlevée.Fig. 3 is a top view, the indicator sheet being removed.
Le clavier est constitué par une boîte 1, de faible profondeur fermée par une plaque avant 2 comportant des lumières 3. De cette boîte 1, sort un câble 4 qui la relie à une autre boîte 5, contenant le dispositif codeur-décodeur.The keyboard consists of a box 1, of shallow depth closed by a front plate 2 comprising lights 3. From this box 1, a cable 4 comes out which connects it to another box 5, containing the coder-decoder device.
Dans l'exemple représenté, à l'intérieur du clavier sont fixées des ampoules 9 à 18, à deux lames sensibles au champ magnétique prolongée chacune par une patte 6 ou 7, sortant aux extrémités opposées. La Fig. 2 montre le corps de l'ampoule 9 disposé parallèlement sous la partie pleine de la plaque avant 2. Seule la patte 6 passe devant la lumière 3. La patte 6 est recourbée et les extrémités libres des deux pattes sont fixées à un circuit imprimé * Ce circuit peut être imprimé directe¬ ment sur .'.le "fond 19 de la boîte 1, ou sur une plaque spéciale 8 fixée sur le dit fond de la boîte.In the example shown, inside the keyboard are attached bulbs 9 to 18, with two blades sensitive to the magnetic field each extended by a tab 6 or 7, coming out at opposite ends. Fig. 2 shows the body of the bulb 9 arranged parallel under the solid part of the front plate 2. Only the tab 6 passes in front of the light 3. The tab 6 is bent and the free ends of the two tabs are fixed to a printed circuit * This circuit can be printed directly on. ' .the " bottom 19 of the box 1, or on a special plate 8 fixed to the said bottom of the box.
Sur la face avant 2 est collée une feuille indica- trice 20 avec des chiffres, lettres ou autres, au-dessus des lumières 3. En plaçant un aimant 21 face à un repère et à une lumière 3, on transmet un flux magnétique à la patte 6 (et exclusivement à la patte 6) qui conduit ce flux à la lame lui faisant suite pour exciter le circuitOn the front face 2 is pasted an indicator sheet 20 with numbers, letters or other, above the lights 3. By placing a magnet 21 facing a mark and a light 3, a magnetic flux is transmitted to the leg 6 (and exclusively to leg 6) which conducts this flow to the blade following it to excite the circuit
tϋiLL Uiz de l'ampoule 9. Dès que l'aimant 21 est retiré, l'ampoule n'est plus excitée.tϋiLL Uiz of the bulb 9. As soon as the magnet 21 is removed, the bulb is no longer energized.
La Fig. 3 montre que les ampoules 9 à 18 sont disposées radialement, chaque ampoule se trouve dans l'axe allant du centre de la boîte 1 au centre d'une lumière 3. Ainsi les lumières, placées à la périphérie, sont suffi- sament espacées malgré l'encombrement réduit de la boîte. Les pattes 7 non recourbées sont toutes dirigées vers le centre de la boîte. Le câble 4 sort de préférence de la boîte 1 par le centre du fond de la boîte.Fig. 3 shows that the bulbs 9 to 18 are arranged radially, each bulb is located in the axis going from the center of the box 1 to the center of a light 3. Thus the lights, placed at the periphery, are sufficiently spaced despite the reduced size of the box. The non-curved tabs 7 are all directed towards the center of the box. The cable 4 preferably leaves the box 1 through the center of the bottom of the box.
Les ampoules étant placées horizontalement, on comprend que l'épaisseur externe de la boîte soit très faible, sa profondeur interne étant réduite n'a guère plus d'épaisseur que l'ampoule. Selon une autre forme de réalisation de l'inven¬ tion, le clavier est rigoureusement étanche et peut être immergé. A cet effet, les lumières 3 de la plaque avant 2 sont remplies d'une résine (ou d'un autre produit) lais¬ sant passer le champ magnétique, et la plaque avant 2 est collée ou soudée de façon étanche sur le boîtier 1. De même le trou de sortie du câble 4 est obstrué par de la résine selon un mode préféré de fabrication.The bulbs being placed horizontally, it is understood that the external thickness of the box is very small, its internal depth being reduced has little more thickness than the bulb. According to another embodiment of the invention, the keyboard is strictly waterproof and can be submerged. For this purpose, the lights 3 of the front plate 2 are filled with a resin (or another product) allowing the magnetic field to pass, and the front plate 2 is glued or welded in a sealed manner to the housing 1 Likewise, the outlet hole of the cable 4 is blocked by resin according to a preferred method of manufacture.
Le clavier tel que décrit est fixé ou appliqué sur la face arrière d'une vitre ou toute autre plaque non magnétique, et chaque ampoule est actionnable par un aimant présenté sur la face avant de la dite vitre, au droit du repère correspondant. La commande est transmise au codeur-décodeur 5 qui peut être éloigné du clavier. Le clavier est mince, cinq millimètres par exemple, et d'une faible surface, carrée de cinq centimètres de côté par exemple, aussi est-il facilement logeable, voir dissi- mulable à l'intérieur d'un immeuble ou d'un meuble.The keyboard as described is fixed or applied to the rear face of a window or any other non-magnetic plate, and each bulb is actuable by a magnet presented on the front face of said window, in line with the corresponding reference. The command is transmitted to the codec-decoder 5 which can be distant from the keyboard. The keyboard is thin, five millimeters for example, and of a small surface, square of five centimeters of side for example, so it is easily accommodated, see concealable inside a building or a piece of furniture .
L'épaisseur de la vitre (ou de toute autre plaque non magnétique) est très différente suivant les cas d'uti- lisation, et le flux magnétique qui la traverse à une distance plus ou moins longue à parcourir en s'évasant plus ou moins. La surface utile de chaque lumière est adaptable à ce flux, et en fait réglable en fonction deThe thickness of the glass (or of any other non-magnetic plate) is very different depending on the use case, and the magnetic flux which crosses it at a more or less long distance to be traversed by widening more or less . The useful surface of each light is adaptable to this flow, and in fact adjustable according to
FEUILLE DE REMPLACEMENT de la distance qui le sépare de la clef magnétique. Cette adaptation peut être effectuée par différents moyens. Le moyen techni¬ quement le plus simple consiste à enlever la plaque 2 et à la remplacer par une autre plaque extérieurement de même dimension, mais dont le diamètre des lumières est différent. On peut aussi conserver la plaque 2 existante et assujettir sur elle une autre plaque avec des lumières aux mêmes empla¬ cements mais de diamètre plus faible.REPLACEMENT SHEET the distance between it and the magnetic key. This adaptation can be carried out by various means. The technically simplest way is to remove the plate 2 and replace it with another plate externally of the same size, but whose diameter of the lights is different. One can also keep the existing plate 2 and subject to it another plate with lights at the same empla¬ cements but of smaller diameter.
L'installateur peut avoir à sa disposition un jeu de plaques variées, dont le diamètre des lumières est diffé¬ rent selon la catégorie de la plaque, et choisir au moment du montage une plaque de la catégorie la mieux appropriée à la distance prévue entre l'ampoule 9 et l'aimant 21, que ce soit dans le cas du remplacement de la plaque 2 ou dans le cas de l'adjonction d'une plaque supplémentaire.The installer can have at his disposal a set of varied plates, the diameter of the lights of which differs according to the category of the plate, and choose at the time of assembly a plate of the category most appropriate for the distance provided between the bulb 9 and magnet 21, whether in the case of replacing the plate 2 or in the case of adding an additional plate.
Dî Dî

Claims

RE V E N D I C AT I O N S 1. Clavier de commande électrique ou électronique constitué par un boîtier (1), une plaque avant (2) de fermeture ne laissant pas passer le flux magnétique sauf aux emplacements des lumières (3) prévues à cet effet, une ampoule telle que (9) à lames et pattes, par lumière et placée dans le boîtier parallèlement et au ras de la plaque avant (2) de façon à détecter le flux passant par la dite lumière (3), un circuit imprimé (19) dans le fond du boîtier (1) et auquel les ampoules (9 à 18) sont con- nectées, clavier caractérisé en ce qu'une patte (6) de chaque ampoule (9) est disposée sous la lumière (3) cor¬ respondante, tandis que le corps de l'ampoule avec l'autre patte sont placées sous la partie pleine de la plaque avant (2).  RE VENDIC AT IONS 1. Electric or electronic control keyboard consisting of a housing (1), a closing front plate (2) which does not allow magnetic flux to pass except at the locations of the lights (3) provided for this purpose, a bulb such as (9) with blades and legs, by light and placed in the housing parallel and flush with the front plate (2) so as to detect the flow passing through said light (3), a printed circuit (19) in the bottom of the housing (1) and to which the bulbs (9 to 18) are connected, keyboard characterized in that a tab (6) of each bulb (9) is arranged under the corresponding light (3), while the bulb body with the other tab are placed under the solid part of the front plate (2).
2. Clavier selon la revendication 1, caractérisé en ce que la patte (6) placée sous la lumière (3) est recourbée dans un plan parallèle à la plaque avant (2).2. Keyboard according to claim 1, characterized in that the tab (6) placed under the light (3) is curved in a plane parallel to the front plate (2).
3. Clavier selon l'ensemble des revendications précédentes, caractérisé en ce qu'un câble (4) sort laté- ralement ou par la face arrière du boîtier (1) pour le relier à un décodeur (5) situé à distance.3. Keyboard according to all of the preceding claims, characterized in that a cable (4) leaves laterally or through the rear face of the housing (1) to connect it to a decoder (5) located at a distance.
4. Clavier selon l'une quelconque des revendica¬ tions précédentes, caractérisé en ce que les lumières de la plaque avant (2) sont disposées suivant une ligne continue parallèle et à faible distance du bord de la boîte, l'axe de chaque ampoule passe sensiblement par le centre de la plaque et le centre d'une lumière.4. Keyboard according to any one of the preceding claims, characterized in that the lights of the front plate (2) are arranged in a continuous parallel line and a short distance from the edge of the box, the axis of each bulb passes substantially through the center of the plate and the center of a light.
5. Clavier selon l'une quelconque des revendica¬ tions précédentes, caractérisé en ce que le clavier est rigoureusement étanche et peut être immergé et qu'à cet effet les lumières (3) de la plaque avant (2) sont rem¬ plies d'une résine (ou d'un autre produit) laissant passer le champ magnétique, et que la plaque avant (2) est collée ou soudée de façon étanche sur le boîtier (L), de même que le câble (4) est collé par de la résine dans son trou de sortie.5. Keyboard according to any one of the preceding CLAIMS, characterized in that the keyboard is strictly waterproof and can be submerged and that for this purpose the lights (3) of the front plate (2) are filled with water. '' a resin (or another product) allowing the magnetic field to pass, and that the front plate (2) is glued or welded in a leaktight manner on the housing (L), just as the cable (4) is glued by resin in its exit hole.
FEUILLE DE REMPLACEMENT REPLACEMENT SHEET
6. Clavier selon l'une quelconque des revendica¬ tions précédentes, caractérisé en ce qu'il est muni sur sa face avant (2) d'une étiquette (20) permettant le repé¬ rage des lumières (3) et éventuellement leur numérotation. 6. Keyboard according to any one of the preceding claims, characterized in that it is provided on its front face (2) with a label (20) allowing the repé¬ rage of the lights (3) and possibly their numbering .
7. Clavier selon l'une quelconque des revendica¬ tions précédentes, caractérisé en ce que son épaisseur est faible et réduite à l'épaisseur de l'ampoule (9) aug¬ mentée de celles du boîtier (1) et de la plaque avant (2). 7. Keyboard according to any one of the preceding claims, characterized in that its thickness is small and reduced to the thickness of the bulb (9) augmented with those of the housing (1) and the front plate. (2).
8. Clavier selon l'une quelconque des revendica¬ tions précédentes, caractérisé en ce qu'il est fixé sur la face arrière d'une vitre ou toute autre plaque non magnétique, et que chacue ampoule (9) est actionnable par une clef magnétique (21) présentée sur la face avant de la dite vitre, au droit du repère correspondant figurant sur la vignette (20).8. Keyboard according to any one of the preceding claims, characterized in that it is fixed to the rear face of a window pane or any other non-magnetic plate, and that each bulb (9) can be actuated by a magnetic key (21) presented on the front face of the said window, in line with the corresponding mark appearing on the sticker (20).
9. Clavier selon l'une quelconque des revendica¬ tions précédentes, caractérisé en ce que la superficie des lumières de la plaque avant est adaptable à sa distance à la clef magnétique, par remplacement de la dite plaque avant, ou adjonction d'une plaque supplémentaire devant la plaque déjà existante, plaque supplémentaire fixe ou coulissante (masque partiel), dont les lumières sont de dia¬ mètre moindre. 9. Keyboard according to any one of the preceding claims, characterized in that the surface area of the lights on the front plate is adaptable to its distance from the magnetic key, by replacing said front plate, or adding a plate additional in front of the already existing plate, additional fixed or sliding plate ( partial mask), the lights of which are less diameter.
EP88905210A 1988-06-03 1988-06-03 Electric or electronic control keyboard Expired - Lifetime EP0376949B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88905210T ATE116475T1 (en) 1988-06-03 1988-06-03 ELECTRICAL OR ELECTRONIC CONTROL KEYPAD.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR1988/000280 WO1989012310A1 (en) 1988-06-03 1988-06-03 Electric or electronic control keyboard

Publications (2)

Publication Number Publication Date
EP0376949A1 true EP0376949A1 (en) 1990-07-11
EP0376949B1 EP0376949B1 (en) 1994-12-28

Family

ID=9362232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88905210A Expired - Lifetime EP0376949B1 (en) 1988-06-03 1988-06-03 Electric or electronic control keyboard

Country Status (5)

Country Link
US (1) US5063478A (en)
EP (1) EP0376949B1 (en)
JP (1) JPH02504567A (en)
DE (1) DE3852644T2 (en)
WO (1) WO1989012310A1 (en)

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FR2855318A1 (en) * 2003-05-23 2004-11-26 Acrelec Sas Magnetic contact activation and control method for six digit digital-coding keyboard, involves placing magnet on wall under which dissimilar magnetic control contacts are placed
WO2006051123A1 (en) * 2004-09-30 2006-05-18 Investigación Y Transferencia De Tecnología, S.L. Control system for activation of an electric circuit

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Title
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Also Published As

Publication number Publication date
JPH02504567A (en) 1990-12-20
DE3852644D1 (en) 1995-02-09
EP0376949B1 (en) 1994-12-28
WO1989012310A1 (en) 1989-12-14
US5063478A (en) 1991-11-05
DE3852644T2 (en) 1995-08-03

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