EP1263009A2 - Tastaturmatte mit Hintergrundbeleuchtung - Google Patents
Tastaturmatte mit Hintergrundbeleuchtung Download PDFInfo
- Publication number
- EP1263009A2 EP1263009A2 EP02100566A EP02100566A EP1263009A2 EP 1263009 A2 EP1263009 A2 EP 1263009A2 EP 02100566 A EP02100566 A EP 02100566A EP 02100566 A EP02100566 A EP 02100566A EP 1263009 A2 EP1263009 A2 EP 1263009A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- keyboard
- keyboard mat
- mat
- elongated holes
- polydome
- 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- Withdrawn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
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
- H01H13/702—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
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/062—Light conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/064—Optical isolation of switch sites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/002—Actuators integral with membrane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/07—Actuators transparent
Definitions
- the invention relates to a keyboard mat with backlight according to the preamble of claim 1.
- Mobile handsets have wireless phones, for example today usually one using a keyboard mat formed keyboard that has a backlight.
- the keyboard mat are different keyboard keys or the keyboard mat differently colored background illuminated.
- the at least essentially transparent keyboard mat acts like a light guide. So that it is on a single Keyboard key does not cause a mixed color through a different colored illumination of a neighboring key comes, are for the differently colored keys completely separated keyboard mats as respective individual mats have been used. That way been achieved that light conduction within the entire Field of keyboard mats illuminated by a different color Keyboard mat to another in different colors backlit keyboard mat was broken and so it wasn't come to light mixing with a single keyboard mat could.
- a keyboard is known from document DE 94 02 549 U1 known several buttons, which has integrated a solution, through which luminous key tops are created. There are no luminous key tops with different colors realized.
- the object of the present invention is therefore a keyboard mat of the type mentioned at the beginning, by which at simultaneous granting of a multi-colored Key backlighting the manageability during production and thereby simplifies the manufacturing itself.
- Such a keyboard mat is formed in one piece, so that an effort for only one keyboard mat per one concerned Apparatus is to be brought up while granting one multicolored button backlighting.
- the decisive factor is that on the one hand a separation of the relevant areas of the keyboard mat to the extent that there is a substantial flow of light between the areas is prevented, but on the other hand it is still ensured that the individual keyboard areas held together into a single overall mat are.
- the elongated holes are then formed in such a way that opaque ribs can be placed in the elongated holes are at least essentially through the elongated holes reach through.
- the further opaque ribs through reach through the elongated holes in question the stronger is a light blocking effect between relevant areas the keyboard mat. But it is not mandatory necessary that the said ribs reach completely through. What is crucial is that they are at least essentially reach through the elongated holes, because then a corresponding remaining small underfloor is small enough to not enough light across to the other area to let.
- the keyboard mat is covered with a polydome film which combines the characteristic crackling sound when Pressed a key of the keyboard membrane accomplished.
- the polydome film can at least on the elongated holes closed areas opposite the keyboard mat Have areas so that a seal to Example against dust penetration towards a printed circuit board, the one below the keyboard mat and the polydome foil is arranged, is given.
- Figure 1 is a circuit board 1 as the basis of a keyboard to see, according to the present embodiment still include a polydome film 2 and a keyboard mat 3.
- the arrangement of the parts mentioned is such that the circuit board 1, the polydome foil 2, and on the polydome foil 2 the keyboard mat 3 are arranged.
- the polydome film 2 has the particular task of being characteristic Realize clicking sound when pressing a button. she but can also serve as a seal, for example between the outside world of a device in question and the Serve circuit board.
- the keyboard mat 3 is backlit and is closed for this purpose at least essentially transparent. Colored LEDs are used as lighting elements, which are arranged on the circuit board 1. According to the present Embodiment are two different colored LEDs used. For most keys the keyboard mat 3 are first LEDs 4 of the color green are provided on the printed circuit board 1. For a selected key on the keyboard is a single one second LED 5 of the color red provided on the circuit board 1.
- the second area with the red backlit embodiment has an exemplary embodiment Push buttons only a single push button which is backlit in red.
- the keyboard mat acts 3 like a light guide. That would make it in the area of the transition between the areas with green or red backlit keyboard tappets for a light mixture come so that those are in this area Keyboard tappet no longer backlit with a clear color would be. Against the background that the Keyboards are getting smaller and so are the keyboard tappets move closer and closer together, for example today Realized distances of a few millimeters in practice, this mixture of lights actually turns out.
- the keyboard mat 3 an elongated hole 8 between said areas 6 and 7, that worked completely through the keyboard mat 3 is.
- the elongated hole 8 between the areas 6 and 7 mentioned is designed in such a way that small connecting webs at certain points 9 are retained. This way, between the areas 6 and 7 mentioned a light interruption achieved and at the same time the keyboard mat 3 not in several Disassembled parts.
- the polydome film has 2 at the location of the slot 8 in the keyboard mat 3 a closed area, so that despite the Elongated hole 8 in the keyboard mat 3 in the assembled state the large parts described with regard to the circuit board 1 there is a seal.
- FIG. 2 shows the exemplary embodiment according to FIG. 1 to see, however in an overturned version and with a Upper housing shell 10, as shown in FIG. 2, is mobile Part of the phone and without the circuit board 1. Due to the overturned Arrangement of the parts, Figure 2 opens an interior view of the device in question.
- the location 11 of the polydome film is in FIG 2 to see the slot 8 of the keyboard mat 3 opposite lies and is closed, and can be seen that in the Housing upper shell 10 is formed a rib 12 which the Slot 8 of the keyboard mat 3 is assigned and during assembly of the large parts shown in FIG. 2 into the elongated hole 8 the keyboard mat 3 dips.
- the slot 8 of the keyboard sheet 3 could be in another Embodiment be designed as a blind hole. Thereby remains an underfloor ceiling from the perspective of the rib 12 Keyboard foil 3 back, but in practice no light bridge represents if it is thin enough. By this underfloor ceiling the keyboard mat 3 remains closed and can also be used as a seal. In this It is advantageous if the rib 12 is the underfloor ceiling easily squeezes. Due to the crushing the seal can on the one hand also act against the penetration of moisture and can reduce the cross-section of the underfloor ceiling again become.
- FIG. 4 shows the embodiment of FIG. 3, in principle, the circuit board 1 also specified is, however, as a transparent object. From the circuit board 1, only the LEDs 4 and 5 are shown a different colored lighting of the concerned cause different areas 6 and 7 of the keyboard mat 3. In addition, 4 connecting webs 9 are shown in FIG are formed by an appropriately placed slot 8. Finally, a rib 12 is also shown in FIG. 4, which is immersed in the slot 8 of the keyboard mat 3.
Landscapes
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
Description
Claims (5)
- Tastaturmatte mit Hintergrundbeleuchtung, dadurch gekennzeichnet, dass für eine mehrfarbige Hintergrundbeleuchtung jeweilige, einer jeweiligen verschiedenen Hintergrundfarbe zugeordnete Bereiche (6; 7) der Tastaturmatte (3) durch wenigstens punktuelle Verbindungsstege (9) mit kleinen Querschnitten hinterlassende Langlöcher (8) voneinander getrennt sind.
- Tastaturmatte nach Anspruch 1, dadurch gekennzeichnet, dass die Langlöcher (8) in der Weise ausgebildet sind, dass lichtundurchlässige Rippen (12) in den Langlöchern (8) platzierbar sind, die durch die Langlöcher (8) hindurchgreifen.
- Tastaturmatte nach Anspruch 1 oder 2, dadurch ge-kennzeichnet, dass eine Polydomfolie (2) unterhalb der Tastaturmatte (3) angeordnet ist und zumindest an den den Langlöchern (8) der Tastaturmatte (3) gegenüberliegenden Stellen der Polydomfolie (2) ein geschlossener Bereich (11) der Polydomfolie (2) vorgesehen ist.
- Tastaturmatte nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass wenigstens einige der Langlöcher (8) vollständig durch die Tastaturmatte (3) hindurch ausgebildet sind.
- Tastaturmatte nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass wenigstens einige der Langlöcher (8) als Sacklöcher in der Tastaturmatte (3) ausgebildet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2001126850 DE10126850C1 (de) | 2001-06-01 | 2001-06-01 | Tastaturmatte mit Hintergrundbeleuchtung |
DE10126850 | 2001-06-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1263009A2 true EP1263009A2 (de) | 2002-12-04 |
EP1263009A3 EP1263009A3 (de) | 2005-01-05 |
Family
ID=7686973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02100566A Withdrawn EP1263009A3 (de) | 2001-06-01 | 2002-05-28 | Tastaturmatte mit Hintergrundbeleuchtung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1263009A3 (de) |
DE (1) | DE10126850C1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10303447B3 (de) * | 2003-01-29 | 2004-12-23 | Siemens Ag | Beleuchtete Tastatur |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004052443A1 (de) * | 2004-10-28 | 2006-05-04 | Siemens Ag | Tastaturmatte und elektronisches Gerät mit einer solchen Tastaturmatte |
DE102007045871B4 (de) * | 2007-09-25 | 2009-10-29 | Albrecht Jung Gmbh & Co. Kg | Tastenfeld |
DE102008053357B4 (de) | 2008-10-27 | 2010-08-05 | Gigaset Communications Gmbh | Elektrotechnisches Gerät mit einer Beleuchtungsanordnung zum Beleuchten einer Tastaturmatte und eines Display-Moduls |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9402549U1 (de) * | 1994-02-16 | 1994-04-07 | Silitek Corp | Tastatur |
US5577267A (en) * | 1992-10-26 | 1996-11-19 | Motorola, Inc. | Assembly for visually indicating signals generated by an electrical circuit and light-diffusing interface apparatus therefor |
EP0845795A2 (de) * | 1996-11-29 | 1998-06-03 | Teikoku Tsushin Kogyo Co. Ltd. | Tastaturfolie und Verfahren zu ihrer Herstellung |
-
2001
- 2001-06-01 DE DE2001126850 patent/DE10126850C1/de not_active Expired - Fee Related
-
2002
- 2002-05-28 EP EP02100566A patent/EP1263009A3/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5577267A (en) * | 1992-10-26 | 1996-11-19 | Motorola, Inc. | Assembly for visually indicating signals generated by an electrical circuit and light-diffusing interface apparatus therefor |
DE9402549U1 (de) * | 1994-02-16 | 1994-04-07 | Silitek Corp | Tastatur |
EP0845795A2 (de) * | 1996-11-29 | 1998-06-03 | Teikoku Tsushin Kogyo Co. Ltd. | Tastaturfolie und Verfahren zu ihrer Herstellung |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10303447B3 (de) * | 2003-01-29 | 2004-12-23 | Siemens Ag | Beleuchtete Tastatur |
Also Published As
Publication number | Publication date |
---|---|
EP1263009A3 (de) | 2005-01-05 |
DE10126850C1 (de) | 2003-02-06 |
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