GB2156588A - Membrane switch - Google Patents
Membrane switch Download PDFInfo
- Publication number
- GB2156588A GB2156588A GB08506950A GB8506950A GB2156588A GB 2156588 A GB2156588 A GB 2156588A GB 08506950 A GB08506950 A GB 08506950A GB 8506950 A GB8506950 A GB 8506950A GB 2156588 A GB2156588 A GB 2156588A
- Authority
- GB
- United Kingdom
- Prior art keywords
- membrane switch
- sheet
- layer
- tactile element
- membrane
- 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.)
- Withdrawn
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 47
- 125000006850 spacer group Chemical group 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims abstract description 14
- 239000011810 insulating material Substances 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 description 6
- 239000003351 stiffener Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
- 239000005041 Mylar™ Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 235000013410 fast food Nutrition 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 230000008439 repair process Effects 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
- H01H2203/00—Form of contacts
- H01H2203/036—Form of contacts to solve particular problems
- H01H2203/046—Form of contacts to solve particular problems to save ink
-
- 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
- H01H2203/05—Form of contacts to solve particular problems to avoid damage by deformation of layers
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/068—Properties of the membrane
- H01H2209/082—Properties of the membrane transparent
-
- 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
- H01H2215/00—Tactile feedback
- H01H2215/004—Collapsible dome or bubble
- H01H2215/022—Asymmetric; Elliptic; Square
-
- 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
- H01H2227/00—Dimensions; Characteristics
- H01H2227/018—Printed contacts; Metal foil
Landscapes
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8404844A FR2562319A1 (fr) | 1984-03-28 | 1984-03-28 | Commutateur a membrane |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8506950D0 GB8506950D0 (en) | 1985-04-24 |
GB2156588A true GB2156588A (en) | 1985-10-09 |
Family
ID=9302563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08506950A Withdrawn GB2156588A (en) | 1984-03-28 | 1985-03-18 | Membrane switch |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE3511342A1 ( ) |
ES (1) | ES295663Y ( ) |
FR (1) | FR2562319A1 ( ) |
GB (1) | GB2156588A ( ) |
IT (1) | IT1184217B ( ) |
SE (1) | SE8501516L ( ) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2250380A (en) * | 1990-11-27 | 1992-06-03 | Ist Lab Ltd | Switch apparatus |
US5138119A (en) * | 1991-03-15 | 1992-08-11 | Lucas Duralith Corporation | Backlit tactile keyboard with improved tactile and electrical characteristics |
EP0503197A2 (en) * | 1991-03-15 | 1992-09-16 | Lucas Duralith Corporation | Backlit tactile keyboard with improved tactile and electrical characteristics |
US8674932B2 (en) | 1996-07-05 | 2014-03-18 | Anascape, Ltd. | Image controller |
US9081426B2 (en) | 1992-03-05 | 2015-07-14 | Anascape, Ltd. | Image controller |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3734021C2 (de) * | 1987-10-08 | 1996-11-14 | Telefunken Microelectron | Verfahren zur Herstellung von Tastschaltern |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2071420A (en) * | 1980-03-12 | 1981-09-16 | Int Computers Ltd | Retractive Mechanical Switches |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2442502A1 (fr) * | 1978-11-24 | 1980-06-20 | Orega Cifte | Clavier a touches a effet tactile de declenchement brusque |
US4197439A (en) * | 1979-02-12 | 1980-04-08 | Parker Brothers | Touch-responsive indicator switch |
DE3140771C2 (de) * | 1981-10-14 | 1983-11-24 | Rudolf Schadow Gmbh, 1000 Berlin | Mehrfach-Flachschalter |
JPS5866216A (ja) * | 1981-10-16 | 1983-04-20 | 信越ポリマ−株式会社 | キ−ボ−ド装置 |
-
1984
- 1984-03-28 FR FR8404844A patent/FR2562319A1/fr active Pending
-
1985
- 1985-03-18 GB GB08506950A patent/GB2156588A/en not_active Withdrawn
- 1985-03-27 IT IT20091/85A patent/IT1184217B/it active
- 1985-03-27 ES ES1985295663U patent/ES295663Y/es not_active Expired
- 1985-03-27 SE SE8501516A patent/SE8501516L/ not_active Application Discontinuation
- 1985-03-28 DE DE19853511342 patent/DE3511342A1/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2071420A (en) * | 1980-03-12 | 1981-09-16 | Int Computers Ltd | Retractive Mechanical Switches |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2250380A (en) * | 1990-11-27 | 1992-06-03 | Ist Lab Ltd | Switch apparatus |
GB2250380B (en) * | 1990-11-27 | 1995-01-04 | Ist Lab Ltd | Switch apparatus |
US5138119A (en) * | 1991-03-15 | 1992-08-11 | Lucas Duralith Corporation | Backlit tactile keyboard with improved tactile and electrical characteristics |
EP0503197A2 (en) * | 1991-03-15 | 1992-09-16 | Lucas Duralith Corporation | Backlit tactile keyboard with improved tactile and electrical characteristics |
EP0503197A3 (en) * | 1991-03-15 | 1993-05-26 | Lucas Duralith Corporation | Backlit tactile keyboard with improved tactile and electrical characteristics |
US9081426B2 (en) | 1992-03-05 | 2015-07-14 | Anascape, Ltd. | Image controller |
US8674932B2 (en) | 1996-07-05 | 2014-03-18 | Anascape, Ltd. | Image controller |
Also Published As
Publication number | Publication date |
---|---|
ES295663U (es) | 1987-03-16 |
FR2562319A1 (fr) | 1985-10-04 |
ES295663Y (es) | 1987-11-01 |
IT8520091A0 (it) | 1985-03-27 |
DE3511342A1 (de) | 1985-10-24 |
SE8501516L (sv) | 1985-09-29 |
GB8506950D0 (en) | 1985-04-24 |
SE8501516D0 (sv) | 1985-03-27 |
IT1184217B (it) | 1987-10-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |