EP1062675A1 - Glastastatur, sowie verfahren zur herstellung einer glastastatur - Google Patents
Glastastatur, sowie verfahren zur herstellung einer glastastaturInfo
- Publication number
- EP1062675A1 EP1062675A1 EP99911767A EP99911767A EP1062675A1 EP 1062675 A1 EP1062675 A1 EP 1062675A1 EP 99911767 A EP99911767 A EP 99911767A EP 99911767 A EP99911767 A EP 99911767A EP 1062675 A1 EP1062675 A1 EP 1062675A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- thin glass
- glass
- carrier material
- pane
- keyboard
- 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
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
- 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
- H01H13/703—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 characterised by spacers between contact carrying layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/024—Properties of the substrate
- H01H2209/038—Properties of the substrate transparent
- H01H2209/04—Glass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/068—Properties of the membrane
- H01H2209/082—Properties of the membrane transparent
- H01H2209/084—Glass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2211/00—Spacers
- H01H2211/004—Adhesive
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2211/00—Spacers
- H01H2211/026—Spacers without separate element
- H01H2211/036—Convexly bowed membrane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/002—Legends replaceable; adaptable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/002—Legends replaceable; adaptable
- H01H2219/01—Liquid crystal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/002—Layer thickness
- H01H2227/004—Membrane
-
- 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
- H01H2239/00—Miscellaneous
- H01H2239/038—Anti-vandalism
Definitions
- the invention relates to a glass keyboard according to the preamble of claim 1 and 4, and to a method for producing a glass keyboard according to the preamble of claim 27.
- Such pressure switching elements are known as touch panels in display displays.
- the touch panels usually consist of transparent plastic films, the inner surfaces of which are coated in an electrically conductive manner.
- spacers are glued in the air gap, a spacer circumferentially around the contact area being welded airtight to the plastic foils to stabilize the internal air pressure and thereby supporting the upper foil at the same time.
- Elastic spacers are additionally arranged within the contact area in order to ensure that the foils are reset.
- the known pressure switching element has the disadvantage of requiring a hermetically sealed air space does not allow pressure equalization.
- EP 0 546 003 B1 discloses a pressure switch element formed from a glass laminate, which is formed from a flexible thin glass pane and at least one carrier glass pane, each of which has an electrically conductive layer on the mutually facing surfaces.
- the opposing electrically conductive layers are kept at a distance using a spacer.
- the electrically conductive layers touch one another at the essentially point-specific pressure load point.
- the known pressure switching element has a shock and pressure sensitive thin glass pane.
- the invention is therefore based on the object of providing a glass keyboard which has a reduced sensitivity to pressure and shock and thus permits large-scale production.
- the flexible thin glass pane consists of a drawn thin glass film. It is essential that the thin glass pane is made from a drawn thin glass film, because only one is sufficiently stable and flexible at the same time.
- the drawn thin glass film therefore makes it possible to produce an unbreakable thin glass pane which is sufficiently flexible to enable contact to be made between the electrically conductive layers which face one another.
- the carrier material pane is slightly larger relative to the flexible thin glass pane, so that the edge region of the carrier material pane protrudes relative to the edge region of the thin glass pane.
- the protruding edge of the carrier material pane protects the sensitive edge of the thin glass pane, so that the risk of glass breakage in the thin glass pane can also be reduced in this way.
- the flat recessed edge of the thin glass pane is glued to the edge area of the carrier material pane with the interposition of an adhesive as a spacer in the edge area.
- the protruding edge of the carrier material pane also serves to receive an adhesive bead, which also protects the sensitive edge of the thin glass pane.
- the edge of the thin glass pane is stabilized with a hardened plastic.
- the cut edge of the thin glass pane has several microcracks going inwards from the edge, which have arisen from the cutting process. A crack that can destroy the entire thin glass pane can very easily originate from these micro cracks.
- the edge of the thin glass pane is therefore preferably stabilized with a hardened plastic.
- the thin glass pane with its boundary edges is immersed, for example, in a still thin plastic. Due to capillary action, the microcracks are filled with the liquid plastic and then the plastic is hardened. After the plastic has hardened, the thin glass pane has a considerably higher stability, since the edges of the thin glass pane can no longer tear under pressure or impact loads.
- the keyboard surface consisting of the flexible thin glass pane can be flat in the edge area and can be slightly convex in the keyboard area.
- the convex curvature of the keyboard surface on the one hand improves the return behavior of the thin glass pane after actuation and on the other hand prevents the formation of Newton's rings, which are undesirable for optical reasons in a glass keyboard.
- the thin glass pane is preferably glued to the carrier material pane in the deep-drawn state.
- the thin glass pane is deep-drawn in the cold state and in this state is also glued to the carrier material pane, so that the convex curvature of the keyboard surface is retained.
- the thickness of the thin glass pane is approximately 0.1 to 0.5 mm, preferably between approximately 0.175 and 0.4 mm. A thin glass pane in this thickness range has sufficient flexibility to enable switching contact between the opposite electrical layers with pinpoint accuracy.
- the spacer is arranged exclusively in the edge area of the keyboard surface between the thin glass pane and the carrier material pane, the remaining keyboard surface being selectively switchable at any point without further spacers.
- the invention advantageously makes it possible to dispense with additional spacers in the area of the button, so that the entire keyboard surface is available for switching operation without restrictions.
- the spacer is formed in the edge region from a plastic that cures under UV light. This has the advantage that no separate spacer has to be provided, and that the spacer can be formed when the thin glass pane is glued to the carrier material pane.
- the carrier material disc is preferably transparent. This enables, for example, keyboard labels and / or lighting means to be arranged behind the carrier material disc.
- the carrier material disk is preferably made of glass.
- Glass has the advantage that the coefficients of expansion of a carrier material disk made of glass and the electrically conductive layer, for example an indium tin - 6 -
- the carrier material pane consists of a transparent glass cell with an integrated electroluminescent matrix (EL display glass).
- the carrier material disc can consist of a laminated glass for splinter protection.
- a glazing can advantageously be used in areas where there is a risk of explosion or vandalism.
- the use of laminated glass has the further advantage of creating a barrier effect for UV light.
- the carrier material disk can have a heating device on the side facing away from the thin glass disk.
- the heating device preferably consists of an electrically conductive, transparent coating of the carrier material.
- the carrier material pane can also have an electrically conductive shielding layer on the side facing away from the thin glass pane, which shields against electromagnetic interference radiation which arises behind the glass keyboard, e.g. shields from the control electronics of the display and thus reduces the susceptibility to electromagnetic interference of the glass keyboard.
- the transparent carrier material disk can form an optical filter or can be provided with such a filter. - 7 -
- the carrier material disc has on the side facing away from the thin glass pane a receiving device for an exchangeable board for keyboard lettering.
- a receiving device for example, of an insertion pocket for the exchangeable table.
- the interchangeability of the keyboard labeling makes it possible to individually define the functions of certain keyboard fields or to change them later. In the case of a machine control, for example, it is possible to assign the keyboard fields on the keyboard surface to other functions as required.
- the carrier material pane and / or the spacer have ventilation openings in the edge region for the space between the thin glass pane and the carrier material pane.
- the ventilation openings are preferably provided with a filter material which protects the glass keyboard from dirt.
- the carrier material pane can have a light-scattering layer on the side facing away from the thin glass pane. Such a coating or surface treatment is advantageous, for example, with a backlight.
- the thin glass pane can have a decorative edge on its underside. The decorative edge has the advantage that the operable keyboard surface is limited on the one hand, whereby the operable button is optically recognizable and on the other hand the advantage of allowing larger manufacturing and installation tolerances of devices behind it, such as LCD displays, which can reduce production costs.
- Fig. 2 shows a cross section through the glass keyboard of
- FIG. 4A shows the detail in Fig. 4,
- FIG. 5 shows a glass keyboard with a composite glass pane as a carrier material pane
- FIG. 6 shows an embodiment with an electrically conductive layer on the back of the carrier material disc and a decorative edge under the thin glass disc
- FIG. 7 is a plan view of the embodiment of FIG. 6, and
- FIG 8 shows an exemplary embodiment of the glass keyboard with and 9 a receiving pocket for a plate behind the carrier material disc.
- the glass keyboard shown in FIG. 1 consists of a lower, relatively thick carrier material disc 12 and a thin glass disc 2 held with the aid of a spacer 12 at a parallel distance from the carrier material disc 6.
- the thin glass disc 2 and the carrier material disc 6 are on the mutually opposite inner surfaces provided with electrically conductive layers 8, 10, which form electrodes and which, when touched on the other side, produce a switching contact.
- the flexible thin glass pane 2 can be deformed by essentially selective pressurization in such a way that an electrical contact is established between the conductive layers 8, 10.
- Such a structure of the glass keyboard can be used both for analog glass keyboards, in which the electrically conductive layers 8, 10 essentially cover the entire keyboard surface 4, and for digital glass keyboards, in which the electrically conductive layers 8, 10 are structured and, for example, from one There are a plurality of mutually parallel conductor tracks.
- the conductor tracks on the electrically conductive layer 8 preferably run at right angles to the conductor tracks on the electrically conductive layer 10.
- the thin glass pane 2 is cut from a drawn thin glass film and has a thickness between approximately 0.1 and 0.5 mm, preferably between approximately 0.175 and 0.4 mm. Floated glass of the same thickness has a tin film which leads to embrittlement of the glass and is therefore not suitable for this purpose. Only thin glass panes that are produced from a drawn glass film have sufficient flexibility and breaking strength to also produce larger keyboard surfaces 4. Furthermore, a high degree of uniformity of the glass thickness is important.
- the thin glass pane 2 is curved slightly convexly outwards and in this state is glued to the carrier material pane 6 with the spacer 12 interposed.
- the thin glass pane 2 is deep-drawn, leaving a flat edge region 20.
- the spacer is preferably formed from the adhesive connecting the two panes 2, 6, adhesive bonding taking place only at the edge of the edge region 20 of the thin glass pane 2.
- the carrier material pane 6 projects on all sides relative to the thin glass pane 2 and thereby enables effective protection of the sensitive outer edges of the thin glass pane 2.
- the protruding edge of the carrier material pane 6 forms a support surface for an adhesive bead 14 formed from the adhesive, which extends up to the upper edge of the thin glass pane 2 enough. This adhesive bead 14 additionally protects the sensitive outer edge of the thin glass pane 2.
- the convex curvature of the thin glass pane 2 to the outside has the advantage that higher resetting forces arise and that the thin glass pane 2 does not require any additional spacers in the area of the keyboard surface 4. It - 11 -
- Another advantage of the convex elevation of the thin glass pane 2 to the outside is that it prevents the formation of Newton's rings, which are undesirable in transparent keyboards.
- the use of glass as the keyboard surface 4 has the advantage of creating a scratch-resistant glass keyboard with high transmission, which has a higher chemical resistance and is antistatic.
- the temperature expansion coefficients and the deformation behavior under pressure of the glass and the electrically conductive layer have a slight difference, so that the risk of crack formation in the electrically conductive layers is considerably reduced in comparison to plastic films.
- the thin glass pane 2 can be provided with edge stabilization.
- the edge stabilization is achieved by immersing the thin glass pane 2 cut from a drawn thin glass film with its cut edges in a highly viscous, hardenable plastic.
- the liquid plastic penetrates into microcracks 18 in the edge region 20 which have arisen from the cutting process, these microcracks 18 being filled with the plastic material 16 by the subsequent curing of the plastic in such a way that the microcracks 18 no longer pose a risk of breakage. This simplifies handling and - 12 -
- the adhesive performs several functions, namely the function of a spacer 12 between the thin glass pane 2 and the carrier material pane 6, the function as an edge stabilizer by penetration of the adhesive into microcracks 18 in the edge region 20 of the thin glass pane 2 and the function as external edge protection for the Thin glass pane 2 by forming an adhesive bead 14 on the protruding edge of the carrier material disk 6.
- the adhesive bead 14 is preferably produced in a second operation.
- the edge of the carrier material disk 6 projects, for example, by approximately 1 mm relative to the outer edges of the thin-glass disk 2 and thus, in conjunction with the adhesive bead 14, also forms effective shock protection on the outer edge of the glass keyboard.
- the carrier material disc preferably consists of transparent material. This has the advantage that the glass keyboard behind the carrier material disk 6 can be provided with labeling fields or inscriptions of any design. Furthermore, lighting devices, e.g. LED lamps for function displays or for lighting the panel 48 can be arranged behind the carrier material disc 6. It goes without saying that behind the carrier material disc there are also screens or LCD displays and the like. can be arranged.
- a plastic which cures under UV light is preferably used as the adhesive.
- the carrier material disk 6 is particularly preferably made of glass.
- the thickness of the carrier material disk 6 depends on the expected mechanical loads and is preferably more than 1 mm. It is also possible to provide a carrier glass 6 made of thin glass if another support structure is arranged behind the carrier glass 6.
- the carrier material disk 6 can also consist of a laminated glass 22.
- the carrier glass 6 made of glass can be provided on the side facing away from the thin glass pane 2 with an adhesive or a film which is connected to a second glass pane.
- the film can also be colored.
- laminated glass serves as splinter protection and is provided, for example, for the use of the glass keyboards in areas where there is a risk of explosion or vandalism.
- the use of laminated glass has the further advantage of creating a barrier effect for UV light.
- the carrier material pane 6 or the laminated glass pane 32 can be provided on the side facing away from the thin glass pane 2 with an electrically conductive layer, which serves, for example, as a shielding layer 40 against electromagnetic radiation or as a heating device 36.
- the electrical coating has a resistance value above 100 ⁇ D in order to form surface heating. - 14 -
- the electrical coating is suitable as a shield.
- the underside of the thin glass pane 2 can have a decorative edge 60 in its edge region 20, which preferably ends inwards with a punctiform grid.
- This decorative edge is produced using screen printing technology and forms a mask that defines the switching area 24 of the keyboard surface 4.
- the decorative edge forms a privacy screen with respect to the glued edge area 20, 28 of the glass keyboard, as well as a privacy screen with respect to the circumferential conductor track guide for contacting the electrical layers 8, 10. Because the decorative edge gradually transitions into the transparent area with a dot pattern, an LCD display behind the carrier material disc can be mounted with greater tolerance and thus more cost-effectively, for example.
- the decorative edge covers the connection contacts glued to the carrier plate.
- the carrier material pane 6 can be made matt or opaque on the side facing away from the thin glass pane 2 in order to scatter the light of LED displays lying behind it.
- a receiving device 44 for an exchangeable insert panel 48 to be arranged on the side of the carrier material disk 6 facing away from the thin glass pane 2.
- the slide-in board 48 serves to identify keyboard keys on the keyboard surface 4.
- the slide-in board 48 can, for example, consist of paper and be printed with characters or symbols - 15 -
- the paper can be laminated to water.
- the insert panel 48 can also consist of plastic.
- the receiving device 44 for the insert panel 48 is formed from a transparent or opaque plate 50 which is fastened at a distance from the carrier material disc 6 in such a way that an insert pocket for the insert panel 48 is formed.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19810329 | 1998-03-11 | ||
DE19810329A DE19810329A1 (de) | 1998-03-11 | 1998-03-11 | Glastastatur, sowie Verfahren zur Herstellung einer Glastastatur |
PCT/EP1999/001567 WO1999046788A1 (de) | 1998-03-11 | 1999-03-10 | Glastastatur, sowie verfahren zur herstellung einer glastastatur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1062675A1 true EP1062675A1 (de) | 2000-12-27 |
EP1062675B1 EP1062675B1 (de) | 2002-06-19 |
Family
ID=7860392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99911767A Expired - Lifetime EP1062675B1 (de) | 1998-03-11 | 1999-03-10 | Glastastatur, sowie verfahren zur herstellung einer glastastatur |
Country Status (5)
Country | Link |
---|---|
US (1) | US6563435B1 (de) |
EP (1) | EP1062675B1 (de) |
AU (1) | AU3033499A (de) |
DE (2) | DE19810329A1 (de) |
WO (1) | WO1999046788A1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19958506A1 (de) * | 1999-12-04 | 2001-07-19 | Schott Interactive Glass Gmbh | Verfahren und Vorrichtung zur Herstellung einer Glastastatur |
EP1229189A1 (de) | 2001-02-05 | 2002-08-07 | Schneider + Fichtel GmbH | Türgriff |
DE50103971D1 (de) | 2001-02-05 | 2004-11-11 | Schott Spezialglas Ag | Glastür mit in das Glas integrierter elektrischer Einrichtung |
DE10164063B4 (de) * | 2001-12-24 | 2007-12-06 | Saint-Gobain Sekurit Deutschland Gmbh & Co. Kg | Verbundscheibe mit einem elektrisch steuerbaren Funktionselement |
DE10340763B4 (de) * | 2003-09-02 | 2008-08-28 | Ritto Gmbh & Co. Kg | Frontplatte für eine Türstation |
US6967299B2 (en) * | 2003-09-22 | 2005-11-22 | Ark-Les Corporation | Membrane switch with rigid fascia |
JP2006259815A (ja) * | 2005-03-15 | 2006-09-28 | Matsushita Electric Ind Co Ltd | タッチパネル |
US20060227108A1 (en) * | 2005-03-31 | 2006-10-12 | Ikey, Ltd. | Computer mouse for harsh environments and method of fabrication |
US7294799B2 (en) * | 2005-10-13 | 2007-11-13 | Ikey, Ltd. | Smooth keyboard with low key height |
EP2035295A1 (de) * | 2006-06-27 | 2009-03-18 | Corning Incorporated | Verfahren zum schutz von glas |
US20080027750A1 (en) * | 2006-07-27 | 2008-01-31 | Barkeloo Jason E | System and method for digital rights management |
WO2008013921A2 (en) * | 2006-07-27 | 2008-01-31 | Somatic Digital, Llc | Content publishing system and method |
WO2008045513A1 (en) * | 2006-10-11 | 2008-04-17 | Somatic Digital, Llc | System and method for repurposing printed content to interact with digital content |
WO2008045514A2 (en) * | 2006-10-11 | 2008-04-17 | Somatic Digital, Llc | Open source publishing system and method |
KR101353418B1 (ko) * | 2007-03-16 | 2014-01-27 | 엘지전자 주식회사 | 입력장치 및 이를 구비하는 휴대 단말기 |
JP5012134B2 (ja) * | 2007-03-28 | 2012-08-29 | パナソニック株式会社 | タッチパネル |
WO2009003716A1 (de) * | 2007-07-04 | 2009-01-08 | Aquis Sanitär AG | Betätigungsvorrichtung zur steuerung einer wasserarmatur |
EP2048677A1 (de) * | 2007-10-11 | 2009-04-15 | Siemens Aktiengesellschaft | Bedieneinrichtung zur Bedienung einer Werkzeugmaschine, Produktionsmaschine und/oder eines Roboters |
DE102011081604A1 (de) * | 2011-08-26 | 2013-02-28 | Bayerische Motoren Werke Aktiengesellschaft | Bedienvorrichtung |
WO2013073460A1 (ja) * | 2011-11-17 | 2013-05-23 | グンゼ株式会社 | タッチパネル及びその製造方法 |
DE102012020570B4 (de) * | 2012-10-19 | 2017-02-16 | Audi Ag | Bedienelement für einen Kraftwagen sowie Verfahren zum Herstellen eines Bedienelements |
DE102012020609B4 (de) * | 2012-10-19 | 2014-11-27 | Audi Ag | Bedienelement für einen Kraftwagen sowie Verfahren zum Herstellen eines Bedienelements |
US9348425B2 (en) | 2013-02-05 | 2016-05-24 | Corning Incorporated | Glass keyboard |
KR20150022560A (ko) * | 2013-08-23 | 2015-03-04 | 삼성전기주식회사 | 인쇄회로기판 및 인쇄회로기판 제조 방법 |
DE102015002966A1 (de) * | 2015-03-07 | 2016-09-08 | Audi Ag | Oberflächenelement für eine Bedieneinrichtung eines Kraftfahrzeugs |
US11500538B2 (en) | 2016-09-13 | 2022-11-15 | Apple Inc. | Keyless keyboard with force sensing and haptic feedback |
CN117270637A (zh) * | 2017-07-26 | 2023-12-22 | 苹果公司 | 具有键盘的计算机 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3186813A (en) * | 1961-08-17 | 1965-06-01 | Owens Illinois Glass Co | Forming thin glass foil |
US4901074A (en) * | 1987-12-31 | 1990-02-13 | Whirlpool Corporation | Glass membrane keyboard switch assembly for domestic appliance |
US4975676A (en) * | 1989-11-13 | 1990-12-04 | Spectra Symbol Corp. | Glass membrane touch-controlled circuit apparatus for voltage selection |
DE59103999D1 (de) * | 1990-08-30 | 1995-02-02 | Karl Otto Platz | Druckschaltelement. |
TW388894B (en) * | 1997-10-09 | 2000-05-01 | Nissha Printing | High strength touch panel and manufacturing method therefor |
-
1998
- 1998-03-11 DE DE19810329A patent/DE19810329A1/de not_active Withdrawn
-
1999
- 1999-03-10 DE DE59901799T patent/DE59901799D1/de not_active Expired - Lifetime
- 1999-03-10 AU AU30334/99A patent/AU3033499A/en not_active Abandoned
- 1999-03-10 EP EP99911767A patent/EP1062675B1/de not_active Expired - Lifetime
- 1999-03-10 US US09/623,891 patent/US6563435B1/en not_active Expired - Fee Related
- 1999-03-10 WO PCT/EP1999/001567 patent/WO1999046788A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9946788A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1062675B1 (de) | 2002-06-19 |
DE19810329A1 (de) | 1999-09-16 |
WO1999046788A1 (de) | 1999-09-16 |
AU3033499A (en) | 1999-09-27 |
DE59901799D1 (de) | 2002-07-25 |
US6563435B1 (en) | 2003-05-13 |
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