FI64477C - Tryckkopplare - Google Patents
Tryckkopplare Download PDFInfo
- Publication number
- FI64477C FI64477C FI773604A FI773604A FI64477C FI 64477 C FI64477 C FI 64477C FI 773604 A FI773604 A FI 773604A FI 773604 A FI773604 A FI 773604A FI 64477 C FI64477 C FI 64477C
- Authority
- FI
- Finland
- Prior art keywords
- contact
- plate
- switch according
- coupling
- cross
- Prior art date
Links
- 239000004020 conductor Substances 0.000 claims description 42
- 230000008878 coupling Effects 0.000 claims description 38
- 238000010168 coupling process Methods 0.000 claims description 38
- 238000005859 coupling reaction Methods 0.000 claims description 38
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims 2
- 230000007246 mechanism Effects 0.000 description 60
- 230000000694 effects Effects 0.000 description 8
- 230000000994 depressogenic effect Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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
- H01H13/7013—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 in which the movable contacts of each switch site or of a row of switch sites are formed in a single plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2203/00—Form of contacts
- H01H2203/036—Form of contacts to solve particular problems
- H01H2203/038—Form of contacts to solve particular problems to be bridged by a dome shaped contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2203/00—Form of contacts
- H01H2203/036—Form of contacts to solve particular problems
- H01H2203/054—Form of contacts to solve particular problems for redundancy, e.g. several contact pairs in parallel
Landscapes
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74802676A | 1976-12-06 | 1976-12-06 | |
| US74802576 | 1976-12-06 | ||
| US05/748,025 US4084071A (en) | 1976-12-06 | 1976-12-06 | Switch mechanism for a calculator type keyboard |
| US74802676 | 1976-12-06 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI773604A7 FI773604A7 (fi) | 1978-06-07 |
| FI64477B FI64477B (fi) | 1983-07-29 |
| FI64477C true FI64477C (fi) | 1983-11-10 |
Family
ID=27114860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI773604A FI64477C (fi) | 1976-12-06 | 1977-11-29 | Tryckkopplare |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS6051216B2 (show.php) |
| CA (1) | CA1104235A (show.php) |
| DE (1) | DE2754296C3 (show.php) |
| FI (1) | FI64477C (show.php) |
| FR (1) | FR2373136A1 (show.php) |
| GB (1) | GB1592283A (show.php) |
| IT (1) | IT1088702B (show.php) |
| MX (1) | MX3894E (show.php) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4436970A (en) * | 1982-06-07 | 1984-03-13 | Methode Electronics, Inc. | Switch assemblies |
| JPH044338Y2 (show.php) * | 1985-05-31 | 1992-02-07 | ||
| GB2308499B (en) * | 1995-12-22 | 2000-03-15 | Nokia Mobile Phones Ltd | A contact membrane for a keypad assembly |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3600528A (en) * | 1969-09-25 | 1971-08-17 | Lematex Corp | Multiple switch construction |
| DE7437240U (de) * | 1974-11-08 | 1975-08-07 | Blaupunkt Werke Gmbh | Tastenschaltersystem |
-
1977
- 1977-11-29 IT IT30207/77A patent/IT1088702B/it active
- 1977-11-29 FI FI773604A patent/FI64477C/fi not_active IP Right Cessation
- 1977-12-01 CA CA292,124A patent/CA1104235A/en not_active Expired
- 1977-12-05 MX MX77100529U patent/MX3894E/es unknown
- 1977-12-05 FR FR7736578A patent/FR2373136A1/fr active Granted
- 1977-12-05 JP JP52146509A patent/JPS6051216B2/ja not_active Expired
- 1977-12-05 GB GB50539/77A patent/GB1592283A/en not_active Expired
- 1977-12-06 DE DE2754296A patent/DE2754296C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI773604A7 (fi) | 1978-06-07 |
| JPS5386477A (en) | 1978-07-29 |
| CA1104235A (en) | 1981-06-30 |
| FR2373136B1 (show.php) | 1981-01-16 |
| DE2754296A1 (de) | 1978-06-08 |
| MX3894E (es) | 1981-09-08 |
| DE2754296B2 (de) | 1980-08-21 |
| DE2754296C3 (de) | 1981-05-21 |
| FR2373136A1 (fr) | 1978-06-30 |
| JPS6051216B2 (ja) | 1985-11-13 |
| FI64477B (fi) | 1983-07-29 |
| GB1592283A (en) | 1981-07-01 |
| IT1088702B (it) | 1985-06-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: RCA CORPORATION |