GB2192307B - Push-button keyboard switch unit - Google Patents
Push-button keyboard switch unitInfo
- Publication number
- GB2192307B GB2192307B GB8710152A GB8710152A GB2192307B GB 2192307 B GB2192307 B GB 2192307B GB 8710152 A GB8710152 A GB 8710152A GB 8710152 A GB8710152 A GB 8710152A GB 2192307 B GB2192307 B GB 2192307B
- Authority
- GB
- United Kingdom
- Prior art keywords
- push
- switch unit
- keyboard switch
- button keyboard
- button
- 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.)
- Expired - Lifetime
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
- H01H2209/00—Layers
- H01H2209/002—Materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/004—Collapsible dome or bubble
- H01H2215/006—Only mechanical function
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/004—Collapsible dome or bubble
- H01H2215/012—Positioning of individual dome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/002—Layer thickness
- H01H2227/01—Adhesive
-
- 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
- H01H2229/044—Injection moulding
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61102290A JPS62259313A (en) | 1986-05-02 | 1986-05-02 | Keyboard |
JP61102289A JPS62259317A (en) | 1986-05-02 | 1986-05-02 | Keyboard |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8710152D0 GB8710152D0 (en) | 1987-06-03 |
GB2192307A GB2192307A (en) | 1988-01-06 |
GB2192307B true GB2192307B (en) | 1990-08-22 |
Family
ID=26442995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8710152A Expired - Lifetime GB2192307B (en) | 1986-05-02 | 1987-04-29 | Push-button keyboard switch unit |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3714382A1 (en) |
GB (1) | GB2192307B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2233499B (en) * | 1989-06-28 | 1994-03-02 | Mitsubishi Electric Corp | Sheet-like switch |
DE4029231A1 (en) * | 1990-09-14 | 1992-03-19 | Vedder Gmbh Geb | Electrical switch unit e.g. pushbutton, dimmer - has elastomer contact module deformed by operation of actuator pad to engage contact points |
DE4112754C2 (en) * | 1991-04-19 | 1999-06-02 | Marquardt Gmbh | Push button switch |
DE4114661A1 (en) * | 1991-05-06 | 1993-02-25 | Telefunken Electronic Gmbh | Contact film switch with switching domes - has slits around domes to increase ability to return to original position after contact |
US5358579A (en) * | 1992-02-07 | 1994-10-25 | Matsushita Electric Industrial Co., Ltd. | Method for manufacturing a panel switch attached to electronic apparatus |
DE4301928A1 (en) * | 1993-01-25 | 1994-07-28 | Siemens Nixdorf Inf Syst | Conductive paint contact surface |
DE4307909A1 (en) * | 1993-03-12 | 1994-09-15 | Marquardt Gmbh | Housing part with push button switch |
DE19912465C2 (en) | 1999-03-19 | 2001-07-05 | Kathrein Werke Kg | Multi-area antenna system |
US11881365B2 (en) | 2021-08-05 | 2024-01-23 | Levven Electronics Ltd. | Wireless switch assembly |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1474450A (en) * | 1974-09-06 | 1977-05-25 | Standard Telephones Cables Ltd | Electric switches |
US4289943A (en) * | 1979-08-06 | 1981-09-15 | Shin-Etsu Polymer Co., Ltd. | Push-button switches |
US4320268A (en) * | 1980-02-19 | 1982-03-16 | General Electric Company | Illuminated keyboard for electronic devices and the like |
GB2123213A (en) * | 1982-06-30 | 1984-01-25 | Nippon Mektron Kk | Panel keyboard electrical switch |
GB2190245A (en) * | 1986-04-14 | 1987-11-11 | Shinetsu Polymer Co | A covering member for an electrical keyboard |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3218404A1 (en) * | 1982-05-15 | 1983-11-17 | Wolfgang Schulte | Keypad for a printed circuit |
DE8309846U1 (en) * | 1983-04-02 | 1986-10-02 | Ing. Gerhard Dekorsy GmbH, 7760 Radolfzell | Button for a switching element that can be moved in the tactile direction |
US4490587A (en) * | 1983-04-07 | 1984-12-25 | Microdot Inc. | Switch assembly |
US4518833A (en) * | 1983-07-18 | 1985-05-21 | Gates Data Products, Inc. | Conductive elastomeric ink composition |
-
1987
- 1987-04-29 GB GB8710152A patent/GB2192307B/en not_active Expired - Lifetime
- 1987-04-30 DE DE19873714382 patent/DE3714382A1/en active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1474450A (en) * | 1974-09-06 | 1977-05-25 | Standard Telephones Cables Ltd | Electric switches |
US4289943A (en) * | 1979-08-06 | 1981-09-15 | Shin-Etsu Polymer Co., Ltd. | Push-button switches |
US4320268A (en) * | 1980-02-19 | 1982-03-16 | General Electric Company | Illuminated keyboard for electronic devices and the like |
GB2123213A (en) * | 1982-06-30 | 1984-01-25 | Nippon Mektron Kk | Panel keyboard electrical switch |
GB2190245A (en) * | 1986-04-14 | 1987-11-11 | Shinetsu Polymer Co | A covering member for an electrical keyboard |
Also Published As
Publication number | Publication date |
---|---|
GB8710152D0 (en) | 1987-06-03 |
GB2192307A (en) | 1988-01-06 |
DE3714382C2 (en) | 1991-12-19 |
DE3714382A1 (en) | 1987-11-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Effective date: 20070428 |