DE3375001D1 - Contact keyboard and method of its manufacture - Google Patents
Contact keyboard and method of its manufactureInfo
- Publication number
- DE3375001D1 DE3375001D1 DE8383301831T DE3375001T DE3375001D1 DE 3375001 D1 DE3375001 D1 DE 3375001D1 DE 8383301831 T DE8383301831 T DE 8383301831T DE 3375001 T DE3375001 T DE 3375001T DE 3375001 D1 DE3375001 D1 DE 3375001D1
- Authority
- DE
- Germany
- Prior art keywords
- manufacture
- contact keyboard
- keyboard
- contact
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/004—Collapsible dome or bubble
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/062—Damping vibrations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/018—Testing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/034—Positioning of layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/044—Injection moulding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2233/00—Key modules
- H01H2233/002—Key modules joined to form button rows
- H01H2233/004—One molded part
- H01H2233/006—Separating individual keys after mounting
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67433/82A IT1155482B (en) | 1982-04-02 | 1982-04-02 | CONTACT KEYBOARD AND METHOD FOR THE MANUFACTURE OF THE SAME |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3375001D1 true DE3375001D1 (en) | 1988-02-04 |
Family
ID=11302349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383301831T Expired DE3375001D1 (en) | 1982-04-02 | 1983-03-31 | Contact keyboard and method of its manufacture |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0091284B1 (en) |
DE (1) | DE3375001D1 (en) |
IT (1) | IT1155482B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3809770A1 (en) * | 1988-03-23 | 1989-10-05 | Preh Elektro Feinmechanik | KEY SWITCH |
FR2656735B1 (en) * | 1989-12-28 | 1996-04-26 | Alcatel Business Systems | CAPTIVE KEYBOARD. |
JP2557557Y2 (en) * | 1991-02-12 | 1997-12-10 | ミネベア株式会社 | Key switch |
US5209588A (en) * | 1992-06-09 | 1993-05-11 | Chen Pao Chin | Computer key switch |
DE9303837U1 (en) * | 1993-03-16 | 1993-07-01 | Preh-Werke GmbH & Co KG, 8740 Bad Neustadt | Keyboard |
DE29505050U1 (en) * | 1995-03-24 | 1995-05-18 | So Henry | Switch key unit for computer keyboard boards |
JP5684562B2 (en) * | 2010-12-27 | 2015-03-11 | 東プレ株式会社 | Keyboard switch |
JP2015038891A (en) * | 2014-11-21 | 2015-02-26 | 東プレ株式会社 | Keyboard switch |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49111174A (en) * | 1973-02-23 | 1974-10-23 | ||
CH607854A5 (en) * | 1977-02-04 | 1978-11-30 | Europ Handelsges Anst | Keyboard for inputting data into an electric device |
DE2849684A1 (en) * | 1978-11-16 | 1980-05-22 | Triumph Werke Nuernberg Ag | Electric typewriter keyboard construction - has leaf springs distorted by keys into concave state to close contacts |
US4315114A (en) * | 1980-03-24 | 1982-02-09 | International Telephone And Telegraph Corporation | Keyboard switch assembly |
-
1982
- 1982-04-02 IT IT67433/82A patent/IT1155482B/en active
-
1983
- 1983-03-31 EP EP83301831A patent/EP0091284B1/en not_active Expired
- 1983-03-31 DE DE8383301831T patent/DE3375001D1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0091284A3 (en) | 1984-11-21 |
IT1155482B (en) | 1987-01-28 |
IT8267433A0 (en) | 1982-04-02 |
EP0091284B1 (en) | 1987-12-23 |
EP0091284A2 (en) | 1983-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |