GB2053574B - Illuminated keyboard - Google Patents
Illuminated keyboardInfo
- Publication number
- GB2053574B GB2053574B GB8020740A GB8020740A GB2053574B GB 2053574 B GB2053574 B GB 2053574B GB 8020740 A GB8020740 A GB 8020740A GB 8020740 A GB8020740 A GB 8020740A GB 2053574 B GB2053574 B GB 2053574B
- Authority
- GB
- United Kingdom
- Prior art keywords
- illuminated keyboard
- illuminated
- 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.)
- Expired
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
- H01H13/83—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 legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
-
- 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
- H01H2215/008—Part of substrate or membrane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/028—Printed information
- H01H2219/03—Printed information in transparent keyboard
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
- H01H2219/05—Key offset in relation to switch site
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/066—Lens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/002—Actuators integral with membrane
- H01H2221/004—U-shaped openings surrounding keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/008—Actuators other then push button
- H01H2221/016—Lever; Rocker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/05—Force concentrator; Actuating dimple
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7917392A FR2460444A1 (fr) | 1979-07-04 | 1979-07-04 | Dispositif d'eclairage des claviers a touches |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB2053574A GB2053574A (en) | 1981-02-04 |
| GB2053574B true GB2053574B (en) | 1983-05-18 |
Family
ID=9227515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8020740A Expired GB2053574B (en) | 1979-07-04 | 1980-06-25 | Illuminated keyboard |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE8017828U1 (enExample) |
| ES (1) | ES493453A0 (enExample) |
| FR (1) | FR2460444A1 (enExample) |
| GB (1) | GB2053574B (enExample) |
| IT (1) | IT1132162B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3135427C2 (de) * | 1981-09-08 | 1985-07-18 | Telefunken electronic GmbH, 7100 Heilbronn | Tastschalter |
| DE3628781A1 (de) * | 1985-08-27 | 1987-03-05 | Heiner Flohr | Folientastatur |
| DE9001186U1 (de) * | 1990-02-02 | 1990-05-17 | S.W.E.C. Schmitt-Walter Engineering Consult, 82008 Unterhaching | Leuchttastschalter |
| JP2768030B2 (ja) * | 1991-02-21 | 1998-06-25 | 日本電気株式会社 | フラットキーボードスイッチ |
| DE4424618C2 (de) * | 1994-07-13 | 1996-07-11 | Grundig Emv | Vorrichtung zur Übertragung von einer auf eine Taste ausgeübten Kraft auf einen Kraftsensor |
| JP4218605B2 (ja) | 2004-07-21 | 2009-02-04 | ブラザー工業株式会社 | スイッチ装置及び画像形成装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1518239A (fr) * | 1966-04-15 | 1968-03-22 | Oak Electro Netics Corp | Interrupteur à bouton-poussoir éclairé |
| AR204336A1 (es) * | 1973-12-17 | 1975-12-22 | Texas Instruments Inc | Pieza de teclado |
| CA1019248A (en) * | 1974-04-01 | 1977-10-18 | Mohabatullah Sobhani | Elastomeric diaphragm switch assembly |
| FR2280963A1 (fr) * | 1974-08-02 | 1976-02-27 | Oceanic | Touche de commande pour appareil electrique |
| US4190748A (en) * | 1977-01-31 | 1980-02-26 | Rogers Corporation | Keyboard switch assembly |
| US4096364A (en) * | 1977-02-22 | 1978-06-20 | Chomerics, Inc. | Keyboard switch assembly having flexible contact layer with snap initiator dome |
-
1979
- 1979-07-04 FR FR7917392A patent/FR2460444A1/fr active Granted
-
1980
- 1980-06-25 GB GB8020740A patent/GB2053574B/en not_active Expired
- 1980-07-02 IT IT23183/80A patent/IT1132162B/it active
- 1980-07-02 DE DE8017828U patent/DE8017828U1/de not_active Expired
- 1980-07-03 ES ES493453A patent/ES493453A0/es active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ES8105461A1 (es) | 1981-05-16 |
| FR2460444A1 (fr) | 1981-01-23 |
| FR2460444B1 (enExample) | 1984-03-30 |
| IT8023183A0 (it) | 1980-07-02 |
| ES493453A0 (es) | 1981-05-16 |
| GB2053574A (en) | 1981-02-04 |
| DE8017828U1 (de) | 1980-12-04 |
| IT1132162B (it) | 1986-06-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |