DE3168500D1 - Keyboard and method of producing a keyboard - Google Patents
Keyboard and method of producing a keyboardInfo
- Publication number
- DE3168500D1 DE3168500D1 DE8181902690T DE3168500T DE3168500D1 DE 3168500 D1 DE3168500 D1 DE 3168500D1 DE 8181902690 T DE8181902690 T DE 8181902690T DE 3168500 T DE3168500 T DE 3168500T DE 3168500 D1 DE3168500 D1 DE 3168500D1
- Authority
- DE
- Germany
- Prior art keywords
- keyboard
- producing
- 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
- H01H13/78—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 the contacts or the contact sites
- H01H13/80—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 the contacts or the contact sites characterised by the manner of cooperation of the contacts, e.g. with both contacts movable or with bounceless contacts
-
- 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
- H01H2201/00—Contacts
- H01H2201/008—Both contacts movable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/014—Layers composed of different layers; Lubricant in between
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/002—Longer travel
-
- 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
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/02—After travel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/036—Return force
- H01H2221/042—Foam
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/002—Layer thickness
-
- 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
- H01H2229/042—Snap coupling; Snap mounting
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/187,904 US4362911A (en) | 1980-09-17 | 1980-09-17 | Membrane keyboard switch assembly having selectable tactile properties |
PCT/US1981/001214 WO1982001100A1 (en) | 1980-09-17 | 1981-09-09 | Keyboard and method of producing a keyboard |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3168500D1 true DE3168500D1 (en) | 1985-03-07 |
Family
ID=26764831
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE198181902690T Pending DE59749T1 (en) | 1980-09-17 | 1981-09-09 | KEYBOARD AND THEIR PRODUCTION. |
DE8181902690T Expired DE3168500D1 (en) | 1980-09-17 | 1981-09-09 | Keyboard and method of producing a keyboard |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE198181902690T Pending DE59749T1 (en) | 1980-09-17 | 1981-09-09 | KEYBOARD AND THEIR PRODUCTION. |
Country Status (1)
Country | Link |
---|---|
DE (2) | DE59749T1 (en) |
-
1981
- 1981-09-09 DE DE198181902690T patent/DE59749T1/en active Pending
- 1981-09-09 DE DE8181902690T patent/DE3168500D1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE59749T1 (en) | 1983-03-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |