EP0376949B1 - Clavier de commande electrique ou electronique - Google Patents

Clavier de commande electrique ou electronique Download PDF

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Publication number
EP0376949B1
EP0376949B1 EP88905210A EP88905210A EP0376949B1 EP 0376949 B1 EP0376949 B1 EP 0376949B1 EP 88905210 A EP88905210 A EP 88905210A EP 88905210 A EP88905210 A EP 88905210A EP 0376949 B1 EP0376949 B1 EP 0376949B1
Authority
EP
European Patent Office
Prior art keywords
plate
front plate
magnetic
keyboard
case
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
EP88905210A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0376949A1 (fr
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/de
Publication of EP0376949A1 publication Critical patent/EP0376949A1/fr
Application granted granted Critical
Publication of EP0376949B1 publication Critical patent/EP0376949B1/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
    • 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 object of the present invention is to remedy this drawback, to provide an ultra-flat keyboard and to improve its performance.
  • the electrical or electronic control keyboard consisting of a housing, a closing front plate not allowing a magnetic flux emitted by a magnet or magnetic key to pass except at the locations of lights provided for this purpose, a bulb with blades and legs, by light being placed in the housing parallel and flush with the front plate so as to detect the flow passing through this light, a printed circuit in the bottom of the housing and to which the bulbs are connected, which keyboard is characterized by the makes that 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 part full of the front plate.
  • the tab placed under the light is curved in a plane parallel to the front plate.
  • a cable comes out laterally or through the rear face of the box to connect it to a decoder located at a distance.
  • the lights of the front plate 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.
  • the keyboard is strictly waterproof and can be submerged; for this purpose the lights of the front plate are filled with a product allowing the magnetic field to pass through, such as a resin, and the front plate is glued or welded in a leaktight manner on the housing, just as the cable is glued by resin in its exit hole.
  • a product allowing the magnetic field to pass through, such as a resin
  • the front plate is glued or welded in a leaktight manner on the housing, just as the cable is glued by resin in its exit hole.
  • the keyboard is provided on its front face with a label allowing the location of the lights and possibly their numbering. Furthermore, its thickness is reduced to the thickness of the bulb increased by that of the housing and the front plate.
  • Such a keyboard can be fixed on the rear face of a window or any other non-magnetic plate; each bulb can be activated by a magnetic key presented on the front of the glass, in line with the corresponding mark on the sticker.
  • the surface area of the lights on the front plate is adaptable to its distance from the magnetic key, by replacing the front plate, or adding an additional plate in front of the already existing plate, an additional fixed or sliding plate constituting a partial mask, the lights are of smaller diameter.
  • 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 on said bottom of the box.
  • an indicator sheet 20 with numbers, letters or the like, above the lights 3.
  • an indicator sheet 20 with numbers, letters or the like, above the lights 3.
  • a magnet 21 facing a mark and a light 3
  • a magnetic flux is transmitted to the tab 6 (and exclusively on lug 6) which conducts this flow to the blade following it to excite the circuit of the bulb 9.
  • the bulb is no longer energized.
  • Fig. 3 shows that the bulbs 9 to 18 are arranged radially, each bulb is 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) letting the magnetic field pass, and the front plate 2 is glued or welded in a leaktight manner on the housing 1. From even the outlet hole of the cable 4 is blocked with 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 accommodatable, 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 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 the diameter of the lights is different. We can also keep the existing plate 2 and fix another plate on it with lights in the same locations but with a smaller diameter.
  • the installer can have at his disposal a set of various 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 between the bulb. 9 and the magnet 21, whether in the case of the replacement of the plate 2 or in the case of the addition of an additional plate.

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Casings For Electric Apparatus (AREA)
  • Lock And Its Accessories (AREA)
EP88905210A 1988-06-03 1988-06-03 Clavier de commande electrique ou electronique Expired - Lifetime EP0376949B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88905210T ATE116475T1 (de) 1988-06-03 1988-06-03 Elektrische oder elektronische steuertastatur.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR1988/000280 WO1989012310A1 (fr) 1988-06-03 1988-06-03 Clavier de commande electrique ou electronique

Publications (2)

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

Family

ID=9362232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88905210A Expired - Lifetime EP0376949B1 (fr) 1988-06-03 1988-06-03 Clavier de commande electrique ou electronique

Country Status (5)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4438880A1 (de) * 1994-10-31 1996-05-02 Elobau Elektrobauelemente Gmbh Drehwinkelsensor
ES2224828B1 (es) * 2002-12-23 2006-04-16 Investigacion Y Transferencia De Tecnologia, S.L. Sistema de control de apertura de carraduras electricas.
FR2855318A1 (fr) * 2003-05-23 2004-11-26 Acrelec Sas Procede de commande ou de codage magnetique et dispositifs pour la mise en oeuvre
WO2006051123A1 (es) * 2004-09-30 2006-05-18 Investigación Y Transferencia De Tecnología, S.L. Sistema de control para la activación de un circuito eléctrico

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE329205B (ja) * 1966-10-21 1970-10-05 Thorn Electronics Ltd
US3581030A (en) * 1969-01-02 1971-05-25 Boehme Inc H O Magnet actuated mechanism for use with card having magnetic areas
US3559124A (en) * 1969-02-19 1971-01-26 Hermetic Switch Inc Magnetically actuated reed switches
US3609524A (en) * 1969-05-07 1971-09-28 Western Electric Co Apparatus for determining the "operate value of sealed contacts
JPS5014344B1 (ja) * 1970-08-17 1975-05-27
GB1356832A (en) * 1970-11-16 1974-06-19 Suwa Seikosha Kk Switch device
US3854131A (en) * 1973-04-23 1974-12-10 D Lamers Auto-monitoring communication devices for handicapped persons
JPS5189170A (en) * 1973-10-17 1976-08-04 suitsuchisochi
FR2438907A1 (fr) * 1978-10-09 1980-05-09 Franqueville Philippe Interrupteur a lames souples a commande magnetique axiale
US4336529A (en) * 1980-02-19 1982-06-22 Pitney Bowes Inc. Postage meter having shielded keyboard to protect against electromagnetic radiation
US4380704A (en) * 1980-04-28 1983-04-19 Wisda Michael S Electrical switch
EP0204050B1 (fr) * 1985-05-31 1990-03-28 Bernard Danglot Clavier de commande électrique ou électronique

Also Published As

Publication number Publication date
JPH02504567A (ja) 1990-12-20
DE3852644D1 (de) 1995-02-09
EP0376949A1 (fr) 1990-07-11
WO1989012310A1 (fr) 1989-12-14
US5063478A (en) 1991-11-05
DE3852644T2 (de) 1995-08-03

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