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
Links
- 230000004907 flux Effects 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 230000003190 augmentative effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000011521 glass Substances 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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
Claims
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) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4438880A1 (en) * | 1994-10-31 | 1996-05-02 | Elobau Elektrobauelemente Gmbh | Rotation angle sensor with housing and rotating body forming electric coupling |
ES2224828B1 (en) * | 2002-12-23 | 2006-04-16 | Investigacion Y Transferencia De Tecnologia, S.L. | SYSTEM OF CONTROL OF OPENING OF ELECTRICAL CARRADURAS. |
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 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE329205B (en) * | 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 (en) * | 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 (en) * | 1978-10-09 | 1980-05-09 | Franqueville Philippe | Magnetically controlled knife-switch - allows easy concealment and reduces possibility of tampering by positioning switch contacts and magnetic control in axial alignment |
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 (en) * | 1985-05-31 | 1990-03-28 | Bernard Danglot | Electric or electronic control keyboards |
-
1988
- 1988-06-03 JP JP88504875A patent/JPH02504567A/en active Pending
- 1988-06-03 EP EP88905210A patent/EP0376949B1/en not_active Expired - Lifetime
- 1988-06-03 DE DE3852644T patent/DE3852644T2/en not_active Expired - Fee Related
- 1988-06-03 US US07/460,964 patent/US5063478A/en not_active Expired - Fee Related
- 1988-06-03 WO PCT/FR1988/000280 patent/WO1989012310A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO8912310A1 * |
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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