EP0092178A2 - Interrupteur à plusieurs couches - Google Patents
Interrupteur à plusieurs couches Download PDFInfo
- Publication number
- EP0092178A2 EP0092178A2 EP83103616A EP83103616A EP0092178A2 EP 0092178 A2 EP0092178 A2 EP 0092178A2 EP 83103616 A EP83103616 A EP 83103616A EP 83103616 A EP83103616 A EP 83103616A EP 0092178 A2 EP0092178 A2 EP 0092178A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- switch
- switch according
- pressure member
- conductor
- film
- 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.)
- Withdrawn
Links
- 239000004020 conductor Substances 0.000 claims description 51
- 239000011888 foil Substances 0.000 claims description 43
- 239000006260 foam Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000012858 resilient material Substances 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 238000001465 metallisation Methods 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 14
- 238000010276 construction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- -1 Polyethylene terephthalate Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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
- H01H13/78—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 characterised by the contacts or the contact sites
- H01H13/785—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 characterised by the contacts or the contact sites characterised by the material of the contacts, e.g. conductive polymers
-
- 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
- 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
- H01H13/78—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 characterised by the contacts or the contact sites
- H01H13/80—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 characterised by the contacts or the contact sites characterised by the manner of cooperation of the contacts, e.g. with both contacts movable or with bounceless contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2201/00—Contacts
- H01H2201/008—Both contacts movable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2201/00—Contacts
- H01H2201/022—Material
- H01H2201/026—Material non precious
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2203/00—Form of contacts
- H01H2203/018—Form of contacts binary coded
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/024—Properties of the substrate
- H01H2209/03—Properties of the substrate elastomeric
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/008—Actuators other then push button
- H01H2221/014—Slide selector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/036—Return force
- H01H2221/038—Fluid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/016—Selective etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/024—Packing between substrate and membrane
- H01H2229/028—Adhesive
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/038—Folding of flexible printed circuit
Definitions
- the invention relates to an electrical switch in film construction, in which a series of individual switch elements which can be actuated by a pressure member is formed in that two elastic insulating films provided on the mutually facing surfaces with conductor surfaces with an intervening insulating intermediate layer in the area of the Switch elements has openings, are glued.
- Such switches are known, for example, from DE-OS 29 02 769.
- Such electrical switches have the great advantage of a simple construction and a tight closure of the switch contacts and a very low height.
- Such foil switches with matrix elements arranged for keyboards of, for example, pocket calculators are used in many cases.
- the known switches of this type are all pushbutton switches in which a pushbutton is provided for actuating each switch element.
- the object of the present invention is to provide a slide switch on the basis of the known membrane switches.
- the switch is particularly suitable for the electrical position indicator on mechanical devices, with a sliding actuator that is mechanically coupled to the pressure element of the switch.
- a slide switch is constructed in such a way that a foil switch known per se is provided with a row of switch elements arranged one behind the other with a pressure member which extends the length of the Row of shading elements is movable.
- One of the switch elements arranged in a row is actuated by the movable pressure member. If such a switch still has a special arrangement of conductor surfaces that corresponds to a specific coding, the position of the pressure member can be indicated electrically because different switch contacts are closed when each switch element is actuated.
- Such a switch can therefore be used to electrically indicate the position of a displaceable element of a mechanical device.
- Such switches can be installed, for example, in franking machines, the pressure member of the switch being coupled to the slide for setting the pressure rollers. In this way, the set pressure value can be displayed, for example via a 7-segment display.
- the display device does not have to be located in the device itself, but can be remotely operated via corresponding lines.
- Fig. 1 the individual parts of the film arrangement of a switch according to the invention are shown in plan view.
- the switch essentially consists of three insulating foils, namely two insulating foils 1 and 3, on which electrical conductors are applied, and an insulating foil 2, which serves as an intermediate layer.
- Another plate or foil 4 is advantageously provided as a base.
- FIG. 1 The parts shown in FIG. 1 are arranged one on top of the other in the sequence shown and in particular the foils 1, 2 and 3 are sealed together.
- Foils 1, 2 and 3 are arranged one on top of the other in such a way that conductor tracks 11 on foil 1 and 31 on foil 3 face one another and foil 2 lies between them.
- the foil 2 has openings 21 in which the conductor track pieces of the conductor track 11 on the foil 1 are opposite to the conductor tracks 31 on the foil 3.
- the foils 1 or 3 are preferred Polyimide foils and the conductor tracks are obtained by the known etching technique, whereby they can consist of copper conductors with a thickness of 35 ⁇ m, the surface of which is provided with a suitable contact metal or a contact alloy. In the simplest case, this consists of a layer of tin.
- the intermediate layer 2 preferably consists of a polyester film. With the exception of the area of the openings 21 in the intermediate layer 2, the three foils 1, 2 and 3 are sealed together. Polyethylene terephthalate is preferably used as the adhesive. In this way, switch elements which are completely sealed off from the outside are obtained, in which air is enclosed in the area of the openings between foils 1 and 3, which forms a sufficient restoring force for opening the switch element when pressure on a foil ceases.
- the conductor surfaces on the film 3 are formed by mutually parallel conductor tracks 31 which are provided with electrical connection surfaces or connection rings 33 at least at one end.
- the conductor surfaces 11 on the foil 1 consist of short conductor track pieces within each switch element, which correspond to the conductor tracks 31 on the foil 3. Between the individual switch elements, the conductor track pieces are connected to one another by conductor tracks running perpendicularly thereto.
- Connection foils 12 and 32 are additionally provided on foils 1 and 3.
- the conductor tracks 12 on the foil 1 serve to connect the this foil arranged conductor pattern.
- the two foils 1 and 3 can consist of a single foil which is folded around a transverse side of the intermediate layer 2 in such a way that the conductor track patterns 11 and 31 shown in FIG. 1 are arranged next to one another on the single foil , then face each other again.
- FoLie 1 then continues on its left edge as FoLie 3 with its right edge.
- the connection conductors 12 then merge into the connection conductors 32, so that the connection surfaces 33 for the conductor pattern 11 can also be provided at the left end of this film.
- the foil 3 can also bend slightly when the foil 1 is actuated until it comes into contact with the foil 3. This results in better contact and easier contact cleaning.
- an underground 4 is arranged under the foil arrangement of foils 1 to 3, which has 2 openings or depressions 41 in the area of the openings 21 of the intermediate layer, so that the two foils 1 and 3 are located in the area of each Bend shading element when actuated.
- a foam strip can preferably be arranged under the film arrangement.
- a further plate or film with openings corresponding to the intermediate layer 2 can be provided on the side of the film arrangement facing the pressure member, as a result of which a periodic increase in resistance is achieved when the pressure member is moved longitudinally, so that there is a type of detent.
- the edges of the openings arranged transversely to the sliding direction of the pressure member are preferably beveled.
- the pressure member that can be moved lengthwise of the film arrangement must cover all conductor tracks transversely to the film arrangement.
- FIG. 2 shows a partially enlarged longitudinal section through the switch according to the invention. From this it can be seen that the foils 1 and 3 with their conductor tracks 11 and 31 face each other and are kept at a defined distance by the intermediate layer 2.
- the breakthroughs 21 of the intermediate layer 2 each define a switch element.
- the foam layer 42 is arranged under the film arrangement, which allows the two films 1 and 3 to bend when actuated by the pressure member 52.
- the individual adhesive layers are not shown in the figure for the sake of clarity.
- the pressure member has a spring member 52 on the actuation side, which ends in a spring 53.
- This spring can extend over the entire width of the switch elements or can also consist of individual partial springs, which are each arranged in the region of a conductor track 31.
- Fig. 3 shows schematically the structure of such a pressure member.
- the pressure member 5 has a suitable holder 50, on which the spring member 52 is arranged, which has individual springs 53 at its end.
- These springs are preferably leaf springs bent at the end.
- these leaf springs can consist of any conductive or insulating material, since they do not make any electrical contacts.
- spring-loaded rollers or rollers can also be used.
- the switch according to the invention is particularly suitable for the electrical position display of mechanical devices with a sliding skin member. It has been found that the switch contacts still open perfectly at ambient temperatures of 80 ° C after long operation by the pressure member when moving the pressure member.
- a displaceable guide 6 is then provided, which is pushed over the switch member, the free end 7 of the switch member being bent over an edge 61 into another plane. In this case, contact is made in the area of the openings 21.
Landscapes
- Push-Button Switches (AREA)
- Switches With Compound Operations (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3214454 | 1982-04-20 | ||
DE19823214454 DE3214454C2 (de) | 1982-04-20 | 1982-04-20 | Elektrischer Schalter in Folienbauweise |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0092178A2 true EP0092178A2 (fr) | 1983-10-26 |
EP0092178A3 EP0092178A3 (fr) | 1985-09-25 |
Family
ID=6161321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83103616A Withdrawn EP0092178A3 (fr) | 1982-04-20 | 1983-04-14 | Interrupteur à plusieurs couches |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0092178A3 (fr) |
DE (1) | DE3214454C2 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0269777A1 (fr) * | 1986-09-29 | 1988-06-08 | Tektronix, Inc. | Procédé de fabrication d'un élément de contact |
FR2643172A1 (fr) * | 1989-02-13 | 1990-08-17 | Jaeger | Detecteur d'obstacle de faible encombrement |
WO1992015109A2 (fr) * | 1991-02-15 | 1992-09-03 | Niessen Guenther | Agencement d'unites de commutation et son dispositif de commande |
EP1464786A1 (fr) * | 2003-04-02 | 2004-10-06 | Mayser GmbH & Co. KG | Bordure à interrupteur ainsi qu'un procédé et dispositif pour la production de cette bordure à interrupteur |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4034539A1 (de) * | 1989-10-30 | 1991-05-02 | Toyoda Gosei Kk | Lenkrad mit luftsackvorrichtung |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2171972A1 (fr) * | 1972-02-17 | 1973-09-28 | Impression Enreg Result Ier | |
DE2245596A1 (de) * | 1972-09-16 | 1974-03-21 | Friedrich Tonne | Schiebeschalter zur anwahl von fernsprech- oder foerderzielen |
US3854018A (en) * | 1973-06-14 | 1974-12-10 | Amp Inc | Multiple circuit selector switch assembly having movable contact means adapted to retain itself in closed circuit position |
FR2447598A1 (fr) * | 1979-01-25 | 1980-08-22 | Itt | Commutateur a bouton poussoir |
US4322588A (en) * | 1980-04-04 | 1982-03-30 | Umc Industries, Inc. | Slide selector switch device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5647651B2 (fr) * | 1974-01-11 | 1981-11-11 | ||
US4246452A (en) * | 1979-01-05 | 1981-01-20 | Mattel, Inc. | Switch apparatus |
-
1982
- 1982-04-20 DE DE19823214454 patent/DE3214454C2/de not_active Expired
-
1983
- 1983-04-14 EP EP83103616A patent/EP0092178A3/fr not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2171972A1 (fr) * | 1972-02-17 | 1973-09-28 | Impression Enreg Result Ier | |
DE2245596A1 (de) * | 1972-09-16 | 1974-03-21 | Friedrich Tonne | Schiebeschalter zur anwahl von fernsprech- oder foerderzielen |
US3854018A (en) * | 1973-06-14 | 1974-12-10 | Amp Inc | Multiple circuit selector switch assembly having movable contact means adapted to retain itself in closed circuit position |
FR2447598A1 (fr) * | 1979-01-25 | 1980-08-22 | Itt | Commutateur a bouton poussoir |
US4322588A (en) * | 1980-04-04 | 1982-03-30 | Umc Industries, Inc. | Slide selector switch device |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0269777A1 (fr) * | 1986-09-29 | 1988-06-08 | Tektronix, Inc. | Procédé de fabrication d'un élément de contact |
FR2643172A1 (fr) * | 1989-02-13 | 1990-08-17 | Jaeger | Detecteur d'obstacle de faible encombrement |
EP0390618A1 (fr) * | 1989-02-13 | 1990-10-03 | Jaeger | Détecteur d'obstacle |
WO1992015109A2 (fr) * | 1991-02-15 | 1992-09-03 | Niessen Guenther | Agencement d'unites de commutation et son dispositif de commande |
WO1992015109A3 (fr) * | 1991-02-15 | 1993-01-07 | Guenther Niessen | Agencement d'unites de commutation et son dispositif de commande |
EP1464786A1 (fr) * | 2003-04-02 | 2004-10-06 | Mayser GmbH & Co. KG | Bordure à interrupteur ainsi qu'un procédé et dispositif pour la production de cette bordure à interrupteur |
Also Published As
Publication number | Publication date |
---|---|
EP0092178A3 (fr) | 1985-09-25 |
DE3214454C2 (de) | 1984-08-23 |
DE3214454A1 (de) | 1983-10-27 |
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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 |
Designated state(s): DE FR GB IT |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB IT |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19860831 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: LAMM, KLAUS DIETER Inventor name: JOST, HANS GEORG |