WO1994005027A1 - Computer keyboard with cantilever switch design and improved pcb/switch membrane interface - Google Patents
Computer keyboard with cantilever switch design and improved pcb/switch membrane interface Download PDFInfo
- Publication number
- WO1994005027A1 WO1994005027A1 PCT/US1992/008327 US9208327W WO9405027A1 WO 1994005027 A1 WO1994005027 A1 WO 1994005027A1 US 9208327 W US9208327 W US 9208327W WO 9405027 A1 WO9405027 A1 WO 9405027A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- keys
- cantilevered
- computer keyboard
- mounting strip
- cantilevered keys
- Prior art date
Links
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
- H01H13/705—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 characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2207/00—Connections
- H01H2207/01—Connections from bottom to top layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2207/00—Connections
- H01H2207/026—Pressure contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/004—Collapsible dome or bubble
- H01H2215/006—Only mechanical function
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/034—Separate snap action
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/008—Actuators other then push button
- H01H2221/016—Lever; Rocker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/036—Return force
- H01H2221/044—Elastic part on actuator or casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/054—Actuators connected by flexible webs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2233/00—Key modules
- H01H2233/002—Key modules joined to form button rows
- H01H2233/004—One molded part
Landscapes
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU27920/92A AU666143B2 (en) | 1992-08-18 | 1992-09-29 | Computer keyboard with cantilever switch design and improved PCB/switch membrane interface |
JP6506207A JPH08500206A (en) | 1992-08-18 | 1992-09-29 | Computer keyboard with cantilevered switch structure and improved PCB / switch element membrane interface |
BR9207155A BR9207155A (en) | 1992-08-18 | 1992-09-29 | Computer keyboard |
KR1019950700604A KR950703201A (en) | 1992-08-18 | 1992-09-29 | Computer keyboard with contilever switch design and improved PCB / switch membrane interface |
SK218-95A SK21895A3 (en) | 1992-08-18 | 1992-09-29 | Computer keyboard with cantilever switch design and improved pcb/switch membrane interface |
EP92922333A EP0656147A1 (en) | 1992-08-18 | 1992-09-29 | Computer keyboard with cantilever switch design and improved pcb/switch membrane interface |
CA002133888A CA2133888A1 (en) | 1992-08-18 | 1994-10-07 | Computer keyboard with cantilever switch and actuator design |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/931,691 | 1992-08-18 | ||
US07/931,691 US5360955A (en) | 1992-08-18 | 1992-08-18 | Computer keyboard with cantilever switch design and improved PCB/switch membrane interface |
CA002133888A CA2133888A1 (en) | 1992-08-18 | 1994-10-07 | Computer keyboard with cantilever switch and actuator design |
EP94307539A EP0707327A1 (en) | 1992-08-18 | 1994-10-13 | Computer keyboard with cantilever switch and actuator design |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994005027A1 true WO1994005027A1 (en) | 1994-03-03 |
Family
ID=27169877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1992/008327 WO1994005027A1 (en) | 1992-08-18 | 1992-09-29 | Computer keyboard with cantilever switch design and improved pcb/switch membrane interface |
Country Status (9)
Country | Link |
---|---|
US (3) | US5360955A (en) |
EP (1) | EP0656147A1 (en) |
JP (1) | JPH08500206A (en) |
AU (1) | AU666143B2 (en) |
BR (1) | BR9207155A (en) |
CA (1) | CA2140651A1 (en) |
CZ (1) | CZ36295A3 (en) |
SK (1) | SK21895A3 (en) |
WO (1) | WO1994005027A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0707327A1 (en) * | 1992-08-18 | 1996-04-17 | Key Tronic Corporation | Computer keyboard with cantilever switch and actuator design |
EP1003188A2 (en) * | 1998-11-19 | 2000-05-24 | Key Tronic Corporation | Ergonomic computer keyboard |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5422447A (en) * | 1992-09-01 | 1995-06-06 | Key Tronic Corporation | Keyboard with full-travel, self-leveling keyswitches and return mechanism keyswitch |
FR2709364B1 (en) * | 1993-08-27 | 1995-10-13 | Montane Ioan | Interactive braille device. |
US5638061A (en) * | 1994-12-01 | 1997-06-10 | Zenith Electronics Corporation | Track ball mechanism and switch arrangement |
US5654615A (en) * | 1994-12-15 | 1997-08-05 | Asc Incorporated | Storage compartment sensor system for use with an automotive vehicle convertible roof |
JP2779604B2 (en) * | 1994-12-19 | 1998-07-23 | エスエムケイ株式会社 | Key switch |
US5674018A (en) * | 1994-12-23 | 1997-10-07 | Essex Electronics, Inc. | Weatherproof electronic keypad with replaceable graphics overlay |
DE19506509C2 (en) * | 1995-02-24 | 1996-12-05 | Preh Elektro Feinmechanik | Keypad for sales and cash registers |
JP3326765B2 (en) * | 1995-07-07 | 2002-09-24 | ホシデン株式会社 | keyboard |
DE19529492A1 (en) * | 1995-08-10 | 1997-02-13 | Cherry Mikroschalter Gmbh | Keyboard with simplified switch mat including fixation devices |
US5768093A (en) * | 1995-12-12 | 1998-06-16 | Dell U.S.A., L.P. | Technique for minimizing the height of a portable computer |
US5892499A (en) * | 1996-08-17 | 1999-04-06 | Vulk, Jr.; Joseph Patrick | Forearm support for computer interface device |
IES960815A2 (en) * | 1996-11-18 | 1997-11-19 | Alps Electric Ireland Ltd | Computer keyboard with integral encoded device reader |
GB2323331B (en) | 1997-03-21 | 2000-11-22 | Simon Richard Daniel | Collapsible keyboard |
WO1999024962A1 (en) | 1997-11-12 | 1999-05-20 | Think Outside | System and method for detecting key actuation in a keyboard |
US6005209A (en) * | 1997-11-24 | 1999-12-21 | International Business Machines Corporation | Thin keyboard having torsion bar keyswitch hinge members |
JPH11297151A (en) * | 1998-04-15 | 1999-10-29 | Tokai Rika Co Ltd | Switch |
US7883227B1 (en) * | 1998-08-26 | 2011-02-08 | Andrew Katrinecz | Low power, low cost illuminated keyboards and keypads |
US6734809B1 (en) | 1999-04-02 | 2004-05-11 | Think Outside, Inc. | Foldable keyboard |
GB9922775D0 (en) * | 1999-09-28 | 1999-11-24 | Psion Computers Plc | Keyboard for an electronic device |
JP4424819B2 (en) * | 2000-04-28 | 2010-03-03 | 富士通コンポーネント株式会社 | Key switch device and keyboard |
US6495784B2 (en) * | 2000-05-16 | 2002-12-17 | Samsung Electronics, Co., Ltd. | Step keys, step key assembly, and terminal having the step key assembly |
MXPA02011633A (en) * | 2000-05-22 | 2004-05-17 | Digit Wireless Llc | Input devices and their use. |
US6781077B2 (en) | 2000-12-14 | 2004-08-24 | Think Outside, Inc. | Keyswitch and actuator structure |
US7126498B2 (en) * | 2002-02-27 | 2006-10-24 | Digit Wireless, Llc | Keypad construction |
US7009121B2 (en) * | 2002-04-25 | 2006-03-07 | Preh-Werke Gmbh & Co. Kg | Keyboard, especially for electronic payment terminals, and keypad |
ATE325422T1 (en) | 2002-05-23 | 2006-06-15 | Digit Wireless Llc | KEYBOARDS AND KEYSWITCHES |
US6917000B2 (en) * | 2003-01-17 | 2005-07-12 | Lite-On Technology Corporation | Signal input device |
TWI250798B (en) * | 2004-10-19 | 2006-03-01 | Coretronic Corp | Pushbutton protection device of electronic product |
CN1857166B (en) * | 2005-04-30 | 2010-09-08 | Ge医疗系统环球技术有限公司 | Ultrasonic diagnostic device |
JP2007059808A (en) * | 2005-08-26 | 2007-03-08 | Toshiba Corp | Electronic apparatus |
KR20080069874A (en) * | 2007-01-24 | 2008-07-29 | 삼성전자주식회사 | Portable information processing apparatus |
KR101354906B1 (en) * | 2007-05-23 | 2014-01-22 | 삼성전자주식회사 | Input device and electric apparatus having the same |
US20090045986A1 (en) * | 2007-08-14 | 2009-02-19 | Sony Ericsson Mobile Communications Ab | Illuminated keyboard and light guide for graphic symbols and method |
JP2010067194A (en) * | 2008-09-12 | 2010-03-25 | Fujitsu Ltd | Electronic apparatus |
TWM407428U (en) * | 2010-12-27 | 2011-07-11 | Darfon Electronics Corp | Keyswitch and keyboard with plate-type keycap assembly |
CN102305695B (en) * | 2011-04-02 | 2014-03-19 | 吴江市博众精工科技有限公司 | Keycap tester |
US9384916B1 (en) | 2013-10-11 | 2016-07-05 | Google Inc. | Keycap with multi-character display |
JP6666118B2 (en) * | 2015-10-30 | 2020-03-13 | 株式会社トップ | Retractor valve cap |
TWI689957B (en) * | 2019-06-19 | 2020-04-01 | 群光電子股份有限公司 | Keyboard device |
US11249558B1 (en) | 2019-12-26 | 2022-02-15 | Seth D. Garlock | Two-handed keyset, system, and methods of making and using the keyset and system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2309041A1 (en) * | 1972-03-04 | 1973-09-06 | Philips Nv | PUSH BUTTON CONTROL ELEMENT WITH THROUGH COUPLING |
GB2084801A (en) * | 1980-09-30 | 1982-04-15 | Standard Telephones Cables Ltd | Keypad button |
CA1188389A (en) * | 1982-06-28 | 1985-06-04 | Northern Telecom Limited | Pushbutton switch assembly |
EP0313952A2 (en) * | 1987-10-26 | 1989-05-03 | Preh-Werke GmbH & Co. KG | Push-button for keyboard |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE23419E (en) * | 1946-01-11 | 1951-10-16 | Chuck | |
US2544140A (en) * | 1947-12-09 | 1951-03-06 | Floyd J Dofsen | Process of forming an article from at least two plastics |
US2862664A (en) * | 1955-10-31 | 1958-12-02 | Burroughs Corp | Electrical keyboard |
US3129660A (en) * | 1961-03-22 | 1964-04-21 | John J Miller | Portable imprinting device |
FR1445559A (en) * | 1965-05-12 | 1966-07-15 | Electric typewriter | |
US3721926A (en) * | 1971-04-01 | 1973-03-20 | Philco Ford Corp | Key-operated television channel selector |
US3860771A (en) * | 1973-10-29 | 1975-01-14 | Chomerics Inc | Keyboard switch assembly with dome shaped actuator having associated underlying contactor means |
US3974905A (en) * | 1974-09-23 | 1976-08-17 | Xerox Corporation | Key arm mechanism |
US4160886A (en) * | 1977-07-21 | 1979-07-10 | Clare-Pendar Co. | Keyboards and methods of making keyboards |
US4403272A (en) * | 1980-06-02 | 1983-09-06 | Oak Industries Inc. | Membrane switch interconnect tail and printed circuit board connection |
US4359613A (en) * | 1981-03-16 | 1982-11-16 | Engineering Research Applications, Inc. | Molded keyboard and method of fabricating same |
USRE32419E (en) * | 1981-03-16 | 1987-05-12 | Engineering Research Applications, Inc. | Molded keyboard and method of fabricating same |
US4440515A (en) * | 1982-06-01 | 1984-04-03 | International Business Machines Corporation | Keybar keyboard |
US4500757A (en) * | 1982-07-07 | 1985-02-19 | Engineering Research Applications, Inc. | Momentary digital encoding device for keyboards |
US4560844A (en) * | 1983-07-11 | 1985-12-24 | Brother Kogyo Kabushiki Kaisha | Key-holding structure of a keyboard with curved operating surface of keys |
US4582967A (en) * | 1984-10-22 | 1986-04-15 | Tec, Inc. | Key switch assembly |
US4755072A (en) * | 1986-10-15 | 1988-07-05 | Hoornweg Andries P | Removable, transparent, colored key caps for color coding a keyboard |
US4914999A (en) * | 1987-09-04 | 1990-04-10 | Yamaha Corporation | Keyboard assembly for forming keyboard apparatus of electronic musical instrument |
US5003140A (en) * | 1989-06-26 | 1991-03-26 | International Business Machines Corporation | Long keybutton stabilizer |
DE3942597C2 (en) * | 1989-12-22 | 1993-10-28 | Triumph Adler Ag | Keyboard for typewriters, printers or the like |
-
1992
- 1992-08-18 US US07/931,691 patent/US5360955A/en not_active Expired - Fee Related
- 1992-09-29 CZ CZ95362A patent/CZ36295A3/en unknown
- 1992-09-29 EP EP92922333A patent/EP0656147A1/en not_active Withdrawn
- 1992-09-29 AU AU27920/92A patent/AU666143B2/en not_active Ceased
- 1992-09-29 JP JP6506207A patent/JPH08500206A/en active Pending
- 1992-09-29 BR BR9207155A patent/BR9207155A/en not_active Application Discontinuation
- 1992-09-29 CA CA002140651A patent/CA2140651A1/en not_active Abandoned
- 1992-09-29 WO PCT/US1992/008327 patent/WO1994005027A1/en not_active Application Discontinuation
- 1992-09-29 SK SK218-95A patent/SK21895A3/en unknown
-
1993
- 1993-02-12 US US08/017,466 patent/US5329079A/en not_active Expired - Fee Related
-
1994
- 1994-06-29 US US08/267,610 patent/US5430263A/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2309041A1 (en) * | 1972-03-04 | 1973-09-06 | Philips Nv | PUSH BUTTON CONTROL ELEMENT WITH THROUGH COUPLING |
GB2084801A (en) * | 1980-09-30 | 1982-04-15 | Standard Telephones Cables Ltd | Keypad button |
CA1188389A (en) * | 1982-06-28 | 1985-06-04 | Northern Telecom Limited | Pushbutton switch assembly |
EP0313952A2 (en) * | 1987-10-26 | 1989-05-03 | Preh-Werke GmbH & Co. KG | Push-button for keyboard |
Non-Patent Citations (1)
Title |
---|
RADIO FERNSEHEN ELEKTRONIK vol. 34, no. 6, 1985, BERLIN pages 389 - 390 RAINER KRAUSS 'ELEKTRONISCHE FLACHTASTATUR' * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0707327A1 (en) * | 1992-08-18 | 1996-04-17 | Key Tronic Corporation | Computer keyboard with cantilever switch and actuator design |
EP1003188A2 (en) * | 1998-11-19 | 2000-05-24 | Key Tronic Corporation | Ergonomic computer keyboard |
EP1003188A3 (en) * | 1998-11-19 | 2001-04-25 | Key Tronic Corporation | Ergonomic computer keyboard |
Also Published As
Publication number | Publication date |
---|---|
US5430263A (en) | 1995-07-04 |
AU666143B2 (en) | 1996-02-01 |
US5360955A (en) | 1994-11-01 |
SK21895A3 (en) | 1995-08-09 |
AU2792092A (en) | 1994-03-15 |
US5329079A (en) | 1994-07-12 |
CA2140651A1 (en) | 1994-03-03 |
JPH08500206A (en) | 1996-01-09 |
EP0656147A1 (en) | 1995-06-07 |
CZ36295A3 (en) | 1995-11-15 |
BR9207155A (en) | 1995-12-12 |
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