EP0727796A3 - Layered keyboard - Google Patents
Layered keyboard Download PDFInfo
- Publication number
- EP0727796A3 EP0727796A3 EP95119275A EP95119275A EP0727796A3 EP 0727796 A3 EP0727796 A3 EP 0727796A3 EP 95119275 A EP95119275 A EP 95119275A EP 95119275 A EP95119275 A EP 95119275A EP 0727796 A3 EP0727796 A3 EP 0727796A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- keyboard
- support
- cover plate
- contact elements
- layered
- 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- Withdrawn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
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
- H01H2205/00—Movable contacts
- H01H2205/002—Movable contacts fixed to operating part
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/068—Properties of the membrane
- H01H2209/07—Properties of the membrane metallic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/002—Screen printing
Landscapes
- Push-Button Switches (AREA)
Abstract
Membrantastatur (1) mit einem Träger (11) und einer über Distanzhalter (13) oberhalb des Trägers (11) angeordnete Abdeckplatte (12), die mindestens einen Membranschaltraum (14) einschließen, in dem miteinander Kontaktelemente (21, 22, 23) angeordnet sind. Die Kontaktelemente (21, 22, 23) sind einerseits unmittelbar an dem Träger (11) und andererseits unmittelbar an der Abdeckplatte (12) angebracht. Membrane keyboard (1) with a support (11) and a cover plate (12) arranged above the support (11) via spacers (13) and including at least one membrane switching space (14) in which contact elements (21, 22, 23) are arranged are. The contact elements (21, 22, 23) are attached on the one hand directly to the carrier (11) and on the other hand directly on the cover plate (12).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19505128 | 1995-02-16 | ||
DE1995105128 DE19505128A1 (en) | 1995-02-16 | 1995-02-16 | Membrane keyboard |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0727796A2 EP0727796A2 (en) | 1996-08-21 |
EP0727796A3 true EP0727796A3 (en) | 1998-03-11 |
Family
ID=7754073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95119275A Withdrawn EP0727796A3 (en) | 1995-02-16 | 1995-12-07 | Layered keyboard |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0727796A3 (en) |
DE (1) | DE19505128A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005002149A1 (en) * | 2005-01-17 | 2006-07-20 | Printed Systems Gmbh | Keyboard and method of making a keyboard |
CN103077842A (en) * | 2012-12-28 | 2013-05-01 | 苏州达方电子有限公司 | Light guide plate structure, luminous keyboard and production method of light guide plate structure |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4249054A (en) * | 1978-02-28 | 1981-02-03 | Sharp Kabushiki Kaisha | Metallic housing for an electronic apparatus with a flat keyboard |
DE3413408A1 (en) * | 1984-04-10 | 1985-10-17 | Wilde Membran Impuls Technik GmbH, 5828 Ennepetal | Flat keyboard |
US4620075A (en) * | 1983-06-10 | 1986-10-28 | Price Pfister, Inc. | Unitized control panel |
-
1995
- 1995-02-16 DE DE1995105128 patent/DE19505128A1/en not_active Withdrawn
- 1995-12-07 EP EP95119275A patent/EP0727796A3/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4249054A (en) * | 1978-02-28 | 1981-02-03 | Sharp Kabushiki Kaisha | Metallic housing for an electronic apparatus with a flat keyboard |
US4620075A (en) * | 1983-06-10 | 1986-10-28 | Price Pfister, Inc. | Unitized control panel |
DE3413408A1 (en) * | 1984-04-10 | 1985-10-17 | Wilde Membran Impuls Technik GmbH, 5828 Ennepetal | Flat keyboard |
Also Published As
Publication number | Publication date |
---|---|
DE19505128A1 (en) | 1996-08-22 |
EP0727796A2 (en) | 1996-08-21 |
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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 |
Kind code of ref document: A2 Designated state(s): CH DE FR GB IT LI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): CH DE FR GB IT LI |
|
17P | Request for examination filed |
Effective date: 19980411 |
|
17Q | First examination report despatched |
Effective date: 19991111 |
|
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: 20000322 |