CA1173478A - Panel keyboard with air permeable spacer - Google Patents
Panel keyboard with air permeable spacerInfo
- Publication number
- CA1173478A CA1173478A CA000379279A CA379279A CA1173478A CA 1173478 A CA1173478 A CA 1173478A CA 000379279 A CA000379279 A CA 000379279A CA 379279 A CA379279 A CA 379279A CA 1173478 A CA1173478 A CA 1173478A
- Authority
- CA
- Canada
- Prior art keywords
- spacer
- circuit
- assembly
- circuit means
- sheet
- 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
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 37
- 239000012528 membrane Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000013618 particulate matter Substances 0.000 claims 1
- 230000000712 assembly Effects 0.000 description 12
- 238000000429 assembly Methods 0.000 description 12
- 239000011148 porous material Substances 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- H01H13/702—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
- H01H2213/00—Venting
- H01H2213/01—Venting with internal pressure of other switch sites
- H01H2213/012—Open-cell foam
Landscapes
- Push-Button Switches (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7867480A JPS575222A (en) | 1980-06-10 | 1980-06-10 | Panel keyboard |
| JP55-078674 | 1980-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1173478A true CA1173478A (en) | 1984-08-28 |
Family
ID=13668407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000379279A Expired CA1173478A (en) | 1980-06-10 | 1981-06-08 | Panel keyboard with air permeable spacer |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4421958A (en, 2012) |
| JP (1) | JPS575222A (en, 2012) |
| CA (1) | CA1173478A (en, 2012) |
| DE (1) | DE3122517A1 (en, 2012) |
| FR (1) | FR2484131A1 (en, 2012) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4499342A (en) * | 1982-03-04 | 1985-02-12 | Murakami Kaimeido Co., Ltd. | Multi-position electric switch |
| JPS6133332U (ja) * | 1984-07-31 | 1986-02-28 | 東光株式会社 | テ−プ形スイツチ |
| DE8504084U1 (de) * | 1985-02-14 | 1990-02-01 | TA Triumph-Adler AG, 8500 Nürnberg | Tastschalter |
| JPS6274719U (en, 2012) * | 1985-10-30 | 1987-05-13 | ||
| JPS62158723U (en, 2012) * | 1986-03-28 | 1987-10-08 | ||
| US5015544A (en) | 1989-02-08 | 1991-05-14 | Strategic Energy Ltd. | Battery with strength indicator |
| US5089671A (en) * | 1989-12-15 | 1992-02-18 | Val Ranetkins | Underwater zoom switch |
| DE3942597C2 (de) * | 1989-12-22 | 1993-10-28 | Triumph Adler Ag | Tastatur für Schreibmaschinen, Drucker o. dgl. |
| US5156931A (en) | 1991-12-31 | 1992-10-20 | Strategic Energy Ltd. | Battery with strength indicator |
| GB9718232D0 (en) * | 1997-08-29 | 1997-11-05 | Ncr Int Inc | Keyboard |
| JP4147641B2 (ja) * | 1998-02-24 | 2008-09-10 | 株式会社デンソー | メンブレンスイッチ |
| US6584678B2 (en) | 2001-04-17 | 2003-07-01 | Lester E. Burgess | Pressure actuated switching device and transfer method for making same |
| US6690360B2 (en) | 2001-05-03 | 2004-02-10 | 3M Innovative Properties Company | Liquid proof switch array |
| US7091952B2 (en) * | 2001-05-03 | 2006-08-15 | 3M Innovative Properties Company | Liquid proof switch array |
| US6827459B2 (en) * | 2002-03-27 | 2004-12-07 | 3M Innovative Properties Company | Lighted fastening structure |
| US6740832B2 (en) | 2002-03-27 | 2004-05-25 | 3M Innovative Properties Company | Apparatus exhibiting tactile feel |
| US6809280B2 (en) | 2002-05-02 | 2004-10-26 | 3M Innovative Properties Company | Pressure activated switch and touch panel |
| WO2003101164A1 (en) * | 2002-05-23 | 2003-12-04 | 3M Innovative Properties Company | Nanoparticle filled underfill |
| US7468199B2 (en) * | 2004-12-23 | 2008-12-23 | 3M Innovative Properties Company | Adhesive membrane for force switches and sensors |
| US7260999B2 (en) * | 2004-12-23 | 2007-08-28 | 3M Innovative Properties Company | Force sensing membrane |
| US7509881B2 (en) * | 2005-07-29 | 2009-03-31 | 3M Innovative Properties Company | Interdigital force switches and sensors |
| JP2008210557A (ja) * | 2007-02-23 | 2008-09-11 | Kuraray Co Ltd | フレキシブルセンサー |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2954446A (en) * | 1957-11-26 | 1960-09-27 | George W Houlsby Jr | Mat type floor switch |
| BE758202A (fr) * | 1969-11-24 | 1971-04-01 | Sanders Associates Inc | Clavier monolithique et procede de fabrication d'un tel clavier |
| US3898421A (en) * | 1972-08-18 | 1975-08-05 | Matsushita Electric Ind Co Ltd | Push button switch with elastic conductive sheet |
| JPS5741051B2 (en, 2012) * | 1974-09-20 | 1982-09-01 | ||
| US4065649A (en) * | 1975-06-30 | 1977-12-27 | Lake Center Industries | Pressure sensitive matrix switch having apertured spacer with flexible double sided adhesive intermediate and channels optionally interposed between apertures |
| JPS5312575U (en, 2012) * | 1976-07-15 | 1978-02-02 | ||
| US4194099A (en) * | 1977-10-25 | 1980-03-18 | W. H. Brady Co. | Control panel overlay |
-
1980
- 1980-06-10 JP JP7867480A patent/JPS575222A/ja active Granted
-
1981
- 1981-06-05 DE DE19813122517 patent/DE3122517A1/de not_active Withdrawn
- 1981-06-05 US US06/271,041 patent/US4421958A/en not_active Expired - Fee Related
- 1981-06-08 CA CA000379279A patent/CA1173478A/en not_active Expired
- 1981-06-10 FR FR8111395A patent/FR2484131A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3122517A1 (de) | 1982-05-13 |
| FR2484131B1 (en, 2012) | 1985-03-08 |
| JPS575222A (en) | 1982-01-12 |
| JPH0119216B2 (en, 2012) | 1989-04-11 |
| FR2484131A1 (fr) | 1981-12-11 |
| US4421958A (en) | 1983-12-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |