GB2168850B - Key switch - Google Patents
Key switchInfo
- Publication number
- GB2168850B GB2168850B GB08528434A GB8528434A GB2168850B GB 2168850 B GB2168850 B GB 2168850B GB 08528434 A GB08528434 A GB 08528434A GB 8528434 A GB8528434 A GB 8528434A GB 2168850 B GB2168850 B GB 2168850B
- Authority
- GB
- United Kingdom
- Prior art keywords
- key switch
- key
- switch
- 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
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
-
- 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
- H01H2207/00—Connections
- H01H2207/032—Surface mounted component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/002—Legends replaceable; adaptable
- H01H2219/014—LED
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
- H01H2219/04—Attachments; Connections
-
- 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
- H01H2233/00—Key modules
- H01H2233/01—Key modules mounted on laykey
- H01H2233/012—Locating pins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2233/00—Key modules
- H01H2233/05—Actuator part on body
- H01H2233/054—Snap coupling
- H01H2233/056—Snap coupling with limited freedom
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8437099U DE8437099U1 (en) | 1984-12-19 | 1984-12-19 | Push button switch |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8528434D0 GB8528434D0 (en) | 1985-12-24 |
GB2168850A GB2168850A (en) | 1986-06-25 |
GB2168850B true GB2168850B (en) | 1988-12-29 |
Family
ID=6773901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08528434A Expired GB2168850B (en) | 1984-12-19 | 1985-11-19 | Key switch |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE8437099U1 (en) |
DK (1) | DK485985A (en) |
FI (1) | FI854877A (en) |
GB (1) | GB2168850B (en) |
IT (1) | IT1186191B (en) |
SE (1) | SE455355B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8700721U1 (en) * | 1987-01-16 | 1987-05-21 | Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt | Key setup |
NL8801274A (en) * | 1988-05-18 | 1989-12-18 | Philips Nv | TARGETED OPTICAL SIGNALING. |
DE8901775U1 (en) * | 1989-02-15 | 1989-03-30 | Siemens AG, 1000 Berlin und 8000 München | Circuit board for a keyboard |
EP0406496B1 (en) * | 1989-07-05 | 1997-03-19 | Idec Izumi Corporation | Switch provided with indicator |
DE69133253D1 (en) * | 1990-02-15 | 2003-06-12 | Hitachi Telecomm Tech | trading desk |
DE4218970C2 (en) * | 1992-06-10 | 1994-10-06 | Amphenol Tuchel Elect | Smart card reader |
JP2002289058A (en) * | 2001-03-26 | 2002-10-04 | Nec Eng Ltd | Key switch |
DE20200476U1 (en) * | 2002-01-14 | 2002-06-20 | Witteborg Guenter | Illuminated computer keyboard and associated lighting unit |
DE102009060101B3 (en) * | 2009-12-21 | 2011-06-09 | MENTOR GmbH & Co. Präzisions-Bauteile KG | Push button cap for switching element, has guide bars used for forming light output path of light source into contact plate in polished manner, where plate and guide bars consist of selectable light-conducting material |
CN103403828A (en) * | 2010-12-03 | 2013-11-20 | Eao控股股份公司 | Electrical switch element of the SMD type |
JP5986432B2 (en) * | 2012-06-05 | 2016-09-06 | 矢崎総業株式会社 | Illuminated display switch device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5686723U (en) * | 1979-12-07 | 1981-07-11 | ||
US4531034A (en) * | 1983-03-24 | 1985-07-23 | Nitsuko Limited | Key switch devices with indicator lamp means |
-
1984
- 1984-12-19 DE DE8437099U patent/DE8437099U1/en not_active Expired
-
1985
- 1985-10-23 DK DK485985A patent/DK485985A/en not_active Application Discontinuation
- 1985-11-11 IT IT22772/85A patent/IT1186191B/en active
- 1985-11-19 GB GB08528434A patent/GB2168850B/en not_active Expired
- 1985-12-10 FI FI854877A patent/FI854877A/en not_active IP Right Cessation
- 1985-12-18 SE SE8505989A patent/SE455355B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB8528434D0 (en) | 1985-12-24 |
SE8505989L (en) | 1986-06-20 |
DK485985A (en) | 1986-06-20 |
IT8522772A0 (en) | 1985-11-11 |
GB2168850A (en) | 1986-06-25 |
FI854877A (en) | 1986-06-20 |
DK485985D0 (en) | 1985-10-23 |
SE455355B (en) | 1988-07-04 |
IT1186191B (en) | 1987-11-18 |
DE8437099U1 (en) | 1985-03-28 |
SE8505989D0 (en) | 1985-12-18 |
FI854877A0 (en) | 1985-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |