US3908109A - Dome shaped switch member - Google Patents
Dome shaped switch member Download PDFInfo
- Publication number
- US3908109A US3908109A US479429A US47942974A US3908109A US 3908109 A US3908109 A US 3908109A US 479429 A US479429 A US 479429A US 47942974 A US47942974 A US 47942974A US 3908109 A US3908109 A US 3908109A
- Authority
- US
- United States
- Prior art keywords
- dome
- side walls
- arcuate surface
- arcuate
- switch member
- 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
- 239000007787 solid Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 11
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000004049 embossing Methods 0.000 description 2
- 238000007620 mathematical function Methods 0.000 description 2
- 241000237519 Bivalvia Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 235000020639 clam Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
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
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/026—Separate dome contact
Abstract
Description
Claims (2)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US479429A US3908109A (en) | 1974-06-14 | 1974-06-14 | Dome shaped switch member |
CA227,865A CA1032996A (en) | 1974-06-14 | 1975-05-27 | Dome-shaped conductive switch element for a keyboard |
JP50069256A JPS519277A (en) | 1974-06-14 | 1975-06-10 | Doomugatasuitsuchibuzai |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US479429A US3908109A (en) | 1974-06-14 | 1974-06-14 | Dome shaped switch member |
Publications (1)
Publication Number | Publication Date |
---|---|
US3908109A true US3908109A (en) | 1975-09-23 |
Family
ID=23903970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US479429A Expired - Lifetime US3908109A (en) | 1974-06-14 | 1974-06-14 | Dome shaped switch member |
Country Status (3)
Country | Link |
---|---|
US (1) | US3908109A (en) |
JP (1) | JPS519277A (en) |
CA (1) | CA1032996A (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3967084A (en) * | 1975-05-12 | 1976-06-29 | Kb-Denver, Inc. | Keyboard switch assemblies having two foot support legs on dome-shaped contact member |
FR2343323A1 (en) * | 1976-03-05 | 1977-09-30 | Schoeller & Co Elektrotech | DECLICK SWITCH ESPECIALLY FOR TELEVISION AND RADIO RECEIVERS |
US4085306A (en) * | 1977-06-09 | 1978-04-18 | Kb-Denver, Inc. | Keyboard switch assemblies |
JPS5479482U (en) * | 1977-11-17 | 1979-06-06 | ||
JPS5482362U (en) * | 1977-11-22 | 1979-06-11 | ||
FR2432205A1 (en) * | 1978-07-28 | 1980-02-22 | Rode Stucky | Pushbutton switch esp. for calculators and tv controls - has sprung snap action with electrode of shallow pyramidal shape |
US4286129A (en) * | 1978-11-24 | 1981-08-25 | Orega Electronique Et Mecanique | Keyboard having sudden trip tactile effect keys |
US4314117A (en) * | 1980-07-24 | 1982-02-02 | Re-Al, Inc. | Membrane contact switch |
US4398074A (en) * | 1981-06-12 | 1983-08-09 | Oak Industries Inc. | Low profile switch having a sealed interior |
US4532376A (en) * | 1983-05-26 | 1985-07-30 | Sanders Associates, Inc. | Electronic pen with switching mechanism for selectively providing tactile or non-tactile feel |
US4703139A (en) * | 1983-09-06 | 1987-10-27 | Kb Denver, Inc. | Method in a snap dome switch keyboard assembly for reducing contact bounce time |
US4933522A (en) * | 1989-03-07 | 1990-06-12 | Itt Corporation | Flanged snap dome |
US20050211460A1 (en) * | 2004-03-29 | 2005-09-29 | Draggie Raymond Q | Method and apparatus for A.C outlet having grounds-out receptacles |
US20060028435A1 (en) * | 1995-02-23 | 2006-02-09 | Armstrong Brad A | Image controller |
US20060028437A1 (en) * | 1992-03-05 | 2006-02-09 | Armstrong Brad A | Image controller |
US20080277251A1 (en) * | 2007-05-09 | 2008-11-13 | Snaptron, Inc. | Electrical switch apparatus and methods |
US20110181402A1 (en) * | 2008-01-16 | 2011-07-28 | Snaptron, Inc. | Novel Tactile Apparatus and Methods |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62136026U (en) * | 1986-02-22 | 1987-08-27 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3684842A (en) * | 1970-07-01 | 1972-08-15 | Texas Instruments Inc | Pushbutton keyboard switch assembly with improved over center diaphragm contact |
US3749859A (en) * | 1972-04-19 | 1973-07-31 | Colorado Instr Inc | Keyboard switch assembly with improved hermetically sealed diaphragm contact structure |
US3796843A (en) * | 1973-01-02 | 1974-03-12 | Bomar Instr Corp | Calculator keyboard switch with disc spring contact and printed circuit board |
US3806673A (en) * | 1972-11-20 | 1974-04-23 | Texas Instruments Inc | Pushbutton keyboard switch assembly with improved disc spring contact and printed circuit structure |
US3808384A (en) * | 1971-06-01 | 1974-04-30 | Texas Instruments Inc | Pushbutton keyboard system |
-
1974
- 1974-06-14 US US479429A patent/US3908109A/en not_active Expired - Lifetime
-
1975
- 1975-05-27 CA CA227,865A patent/CA1032996A/en not_active Expired
- 1975-06-10 JP JP50069256A patent/JPS519277A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3684842A (en) * | 1970-07-01 | 1972-08-15 | Texas Instruments Inc | Pushbutton keyboard switch assembly with improved over center diaphragm contact |
US3808384A (en) * | 1971-06-01 | 1974-04-30 | Texas Instruments Inc | Pushbutton keyboard system |
US3749859A (en) * | 1972-04-19 | 1973-07-31 | Colorado Instr Inc | Keyboard switch assembly with improved hermetically sealed diaphragm contact structure |
US3806673A (en) * | 1972-11-20 | 1974-04-23 | Texas Instruments Inc | Pushbutton keyboard switch assembly with improved disc spring contact and printed circuit structure |
US3796843A (en) * | 1973-01-02 | 1974-03-12 | Bomar Instr Corp | Calculator keyboard switch with disc spring contact and printed circuit board |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3967084A (en) * | 1975-05-12 | 1976-06-29 | Kb-Denver, Inc. | Keyboard switch assemblies having two foot support legs on dome-shaped contact member |
FR2343323A1 (en) * | 1976-03-05 | 1977-09-30 | Schoeller & Co Elektrotech | DECLICK SWITCH ESPECIALLY FOR TELEVISION AND RADIO RECEIVERS |
US4085306A (en) * | 1977-06-09 | 1978-04-18 | Kb-Denver, Inc. | Keyboard switch assemblies |
JPS5479482U (en) * | 1977-11-17 | 1979-06-06 | ||
JPS5482362U (en) * | 1977-11-22 | 1979-06-11 | ||
FR2432205A1 (en) * | 1978-07-28 | 1980-02-22 | Rode Stucky | Pushbutton switch esp. for calculators and tv controls - has sprung snap action with electrode of shallow pyramidal shape |
US4286129A (en) * | 1978-11-24 | 1981-08-25 | Orega Electronique Et Mecanique | Keyboard having sudden trip tactile effect keys |
US4314117A (en) * | 1980-07-24 | 1982-02-02 | Re-Al, Inc. | Membrane contact switch |
US4398074A (en) * | 1981-06-12 | 1983-08-09 | Oak Industries Inc. | Low profile switch having a sealed interior |
US4532376A (en) * | 1983-05-26 | 1985-07-30 | Sanders Associates, Inc. | Electronic pen with switching mechanism for selectively providing tactile or non-tactile feel |
US4703139A (en) * | 1983-09-06 | 1987-10-27 | Kb Denver, Inc. | Method in a snap dome switch keyboard assembly for reducing contact bounce time |
US4933522A (en) * | 1989-03-07 | 1990-06-12 | Itt Corporation | Flanged snap dome |
US20060028437A1 (en) * | 1992-03-05 | 2006-02-09 | Armstrong Brad A | Image controller |
US20060028436A1 (en) * | 1992-03-05 | 2006-02-09 | Armstrong Brad A | Image controller |
US9081426B2 (en) | 1992-03-05 | 2015-07-14 | Anascape, Ltd. | Image controller |
US7345670B2 (en) | 1992-03-05 | 2008-03-18 | Anascape | Image controller |
US20060028435A1 (en) * | 1995-02-23 | 2006-02-09 | Armstrong Brad A | Image controller |
US8674932B2 (en) | 1996-07-05 | 2014-03-18 | Anascape, Ltd. | Image controller |
US20050211460A1 (en) * | 2004-03-29 | 2005-09-29 | Draggie Raymond Q | Method and apparatus for A.C outlet having grounds-out receptacles |
US7785139B1 (en) | 2004-03-29 | 2010-08-31 | Mechanical Answers Llc | Electrical outlet having grounds-out receptacles and method |
US8025527B1 (en) | 2004-03-29 | 2011-09-27 | Mechanical Answers Llc | Electrical outlet having grounds-out receptacles and method |
US8348682B1 (en) | 2004-03-29 | 2013-01-08 | Mechanical Answers Llc | Method for electrical outlet having grounds-out receptacles |
US7278878B2 (en) | 2004-03-29 | 2007-10-09 | Mechanical Answers Llc | Method and apparatus for A.C. outlet having grounds-out receptacles |
US20080277251A1 (en) * | 2007-05-09 | 2008-11-13 | Snaptron, Inc. | Electrical switch apparatus and methods |
US20110181402A1 (en) * | 2008-01-16 | 2011-07-28 | Snaptron, Inc. | Novel Tactile Apparatus and Methods |
Also Published As
Publication number | Publication date |
---|---|
JPS519277A (en) | 1976-01-24 |
CA1032996A (en) | 1978-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3908109A (en) | Dome shaped switch member | |
US3932722A (en) | Push button body for a push-button switch providing snap-action of the switch | |
US3751612A (en) | Snap action capacitive type switch | |
US3967084A (en) | Keyboard switch assemblies having two foot support legs on dome-shaped contact member | |
US3806673A (en) | Pushbutton keyboard switch assembly with improved disc spring contact and printed circuit structure | |
US3684842A (en) | Pushbutton keyboard switch assembly with improved over center diaphragm contact | |
US4477700A (en) | Tactile membrane keyboard with elliptical tactile key elements | |
US4190748A (en) | Keyboard switch assembly | |
GB1431091A (en) | Electrical keyboard | |
US3928741A (en) | Momentary contact single pole switch | |
GB1201045A (en) | Electrical switches | |
US4085306A (en) | Keyboard switch assemblies | |
JPS63254624A (en) | Manufacture of membrane and panel switch | |
US4042439A (en) | Method of making keyboard assemblies | |
EP1037226A2 (en) | Push switch | |
US4000389A (en) | Printed circuit board and contact assembly for keyboard switch assemblies | |
US4352963A (en) | Low profile microswitches, particularly useful for the composition of keyboards and method of making | |
US5028752A (en) | Push button device | |
US3959611A (en) | Pushbutton keyboard system having plural level wire-like contact | |
GB1483899A (en) | Vacuum interrupter contacts | |
US4768284A (en) | A method for making low profile microswitches, particularly useful for keyboards | |
US4278861A (en) | Key button structure for electronic devices | |
GB1400628A (en) | Electrical switches | |
JPS58106716A (en) | Keyboard switch | |
JPS6026422Y2 (en) | push button switch |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: MOHAWK SYSTEMS CORPORATION, A DE CORP Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:MOHAWK DATA SCIENCES CORP., A NY CORP;REEL/FRAME:004596/0913 Effective date: 19860502 Owner name: MOMENTUM SYSTEMS CORPORATION Free format text: CHANGE OF NAME;ASSIGNOR:MOHAWK SYSTEMS CORPORATION;REEL/FRAME:004596/0879 Effective date: 19860502 |
|
AS | Assignment |
Owner name: FIRST NATIONAL BANK OF BOSTON, THE, 100 FEDERAL ST Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:MONMENTUM SYSTEMS CORPORATION;REEL/FRAME:005142/0446 Effective date: 19880901 |
|
AS | Assignment |
Owner name: DECISION DATA INC., A CORP. OF DE, PENNSYLVANIA Free format text: CHANGE OF NAME;ASSIGNOR:MOMENTUM SYSTEMS CORPORATION, A CORP. OF DE;REEL/FRAME:006673/0857 Effective date: 19920521 |
|
AS | Assignment |
Owner name: NATIONSBANK OF TEXAS, N.A., AS AGENT, TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FIRST NATIONAL BANK OF BOSTON, AS AGENT;REEL/FRAME:007846/0256 Effective date: 19951020 |