JPH0458129B2 - - Google Patents
Info
- Publication number
- JPH0458129B2 JPH0458129B2 JP58118657A JP11865783A JPH0458129B2 JP H0458129 B2 JPH0458129 B2 JP H0458129B2 JP 58118657 A JP58118657 A JP 58118657A JP 11865783 A JP11865783 A JP 11865783A JP H0458129 B2 JPH0458129 B2 JP H0458129B2
- Authority
- JP
- Japan
- Prior art keywords
- key
- weight member
- damper
- pressing
- reaction force
- 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
- 230000000694 effects Effects 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 8
- 230000001747 exhibiting effect Effects 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims description 3
- 239000005061 synthetic rubber Substances 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 206010033425 Pain in extremity Diseases 0.000 description 1
- 229920002323 Silicone foam Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013514 silicone foam Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
- B41J5/12—Construction of key buttons
-
- 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
- H01H2221/00—Actuators
- H01H2221/084—Actuators made at least partly of elastic foam
Landscapes
- Input From Keyboards Or The Like (AREA)
- Push-Button Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58118657A JPS6011376A (ja) | 1983-06-30 | 1983-06-30 | キ−ボ−ドのキ− |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58118657A JPS6011376A (ja) | 1983-06-30 | 1983-06-30 | キ−ボ−ドのキ− |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6011376A JPS6011376A (ja) | 1985-01-21 |
| JPH0458129B2 true JPH0458129B2 (enrdf_load_stackoverflow) | 1992-09-16 |
Family
ID=14741987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58118657A Granted JPS6011376A (ja) | 1983-06-30 | 1983-06-30 | キ−ボ−ドのキ− |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6011376A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9058942B2 (en) * | 2013-04-03 | 2015-06-16 | William Bonnstauffer | Multi-chamber keys |
| US9720516B2 (en) * | 2014-05-23 | 2017-08-01 | Dell Products L.P. | Viscoelastic keyboard key design |
-
1983
- 1983-06-30 JP JP58118657A patent/JPS6011376A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6011376A (ja) | 1985-01-21 |
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