GB2372015B - Improvement in or relating to keyboards - Google Patents

Improvement in or relating to keyboards

Info

Publication number
GB2372015B
GB2372015B GB0103302A GB0103302A GB2372015B GB 2372015 B GB2372015 B GB 2372015B GB 0103302 A GB0103302 A GB 0103302A GB 0103302 A GB0103302 A GB 0103302A GB 2372015 B GB2372015 B GB 2372015B
Authority
GB
United Kingdom
Prior art keywords
keyboards
relating
improvement
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 - Fee Related
Application number
GB0103302A
Other versions
GB0103302D0 (en
GB2372015A (en
Inventor
Nick Hoskings
Martin John Baker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Devlin Electronics Ltd
Original Assignee
Devlin Electronics Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Devlin Electronics Ltd filed Critical Devlin Electronics Ltd
Priority to GB0103302A priority Critical patent/GB2372015B/en
Publication of GB0103302D0 publication Critical patent/GB0103302D0/en
Publication of GB2372015A publication Critical patent/GB2372015A/en
Application granted granted Critical
Publication of GB2372015B publication Critical patent/GB2372015B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/024—Transmission element
    • H01H2221/03—Stoppers for on or off position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/064—Limitation of actuating pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/002—Casings sealed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/038—Anti-vandalism
GB0103302A 2001-02-09 2001-02-09 Improvement in or relating to keyboards Expired - Fee Related GB2372015B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0103302A GB2372015B (en) 2001-02-09 2001-02-09 Improvement in or relating to keyboards

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0103302A GB2372015B (en) 2001-02-09 2001-02-09 Improvement in or relating to keyboards

Publications (3)

Publication Number Publication Date
GB0103302D0 GB0103302D0 (en) 2001-03-28
GB2372015A GB2372015A (en) 2002-08-14
GB2372015B true GB2372015B (en) 2004-07-07

Family

ID=9908474

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0103302A Expired - Fee Related GB2372015B (en) 2001-02-09 2001-02-09 Improvement in or relating to keyboards

Country Status (1)

Country Link
GB (1) GB2372015B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004049593B3 (en) * 2004-10-12 2006-02-09 Behr-Hella Thermocontrol Gmbh Push button for controlling car air conditioner has switch section mounted in housing with push button section above it, two sections being separated by membrane with projection which is in contact with stud on underside of button
CN101572197B (en) * 2008-04-28 2012-09-19 深圳富泰宏精密工业有限公司 Keypad structure

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735068A (en) * 1970-09-26 1973-05-22 Alps Electric Co Ltd Push-button switch with resilient conductive contact member and with helical conductive networks
US3967085A (en) * 1974-11-27 1976-06-29 Amp Incorporated Single pole momentary switch
US4201043A (en) * 1976-07-16 1980-05-06 Kabushiki Kaisha Suwa Seikosha Wristwatch calculator imput key positioning assembly
US4218601A (en) * 1977-11-16 1980-08-19 Citizen Watch Co., Ltd. Pushbutton
GB2046524A (en) * 1979-02-28 1980-11-12 Invader Keyboards Ltd Improvements relating to electric switches
US4417113A (en) * 1980-02-05 1983-11-22 Citizen Watch Company Limited Structure of push-button device
US4453061A (en) * 1981-06-09 1984-06-05 Ryutaro Tamura Capacitance type switch having dust-free interior
GB2136633A (en) * 1983-03-18 1984-09-19 Broderna Danielson Membrane switch assembly
JPS6450166A (en) * 1987-08-20 1989-02-27 Nec Corp Data processor
US4859820A (en) * 1988-03-31 1989-08-22 American Telephone And Telegraph Company Quiet key switch
US5258592A (en) * 1991-05-24 1993-11-02 Matsushita Electric Industrial Co., Ltd. Waterproof switch apparatus for electronic device
US5358344A (en) * 1992-09-01 1994-10-25 Key Tronic Corporation Keyboard with full-travel, self-leveling keyswitches
JPH08129925A (en) * 1994-10-28 1996-05-21 Anritsu Corp Waterproof switch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1050166A (en) * 1996-05-28 1998-02-20 Rinnai Corp Switch operating apparatus

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735068A (en) * 1970-09-26 1973-05-22 Alps Electric Co Ltd Push-button switch with resilient conductive contact member and with helical conductive networks
US3967085A (en) * 1974-11-27 1976-06-29 Amp Incorporated Single pole momentary switch
US4201043A (en) * 1976-07-16 1980-05-06 Kabushiki Kaisha Suwa Seikosha Wristwatch calculator imput key positioning assembly
US4218601A (en) * 1977-11-16 1980-08-19 Citizen Watch Co., Ltd. Pushbutton
GB2046524A (en) * 1979-02-28 1980-11-12 Invader Keyboards Ltd Improvements relating to electric switches
US4417113A (en) * 1980-02-05 1983-11-22 Citizen Watch Company Limited Structure of push-button device
US4453061A (en) * 1981-06-09 1984-06-05 Ryutaro Tamura Capacitance type switch having dust-free interior
GB2136633A (en) * 1983-03-18 1984-09-19 Broderna Danielson Membrane switch assembly
JPS6450166A (en) * 1987-08-20 1989-02-27 Nec Corp Data processor
US4859820A (en) * 1988-03-31 1989-08-22 American Telephone And Telegraph Company Quiet key switch
US5258592A (en) * 1991-05-24 1993-11-02 Matsushita Electric Industrial Co., Ltd. Waterproof switch apparatus for electronic device
US5358344A (en) * 1992-09-01 1994-10-25 Key Tronic Corporation Keyboard with full-travel, self-leveling keyswitches
JPH08129925A (en) * 1994-10-28 1996-05-21 Anritsu Corp Waterproof switch

Also Published As

Publication number Publication date
GB0103302D0 (en) 2001-03-28
GB2372015A (en) 2002-08-14

Similar Documents

Publication Publication Date Title
GB0110153D0 (en) Improvements in or relating to forecasting
GB0218652D0 (en) Improvements in or relating to stairlifts
GB0121993D0 (en) Improvements in or relating to superheterodyne recievers
GB0124730D0 (en) Improvements in or relating to devices
GB0108659D0 (en) Improvements in or relating to aircrafts
GB0112925D0 (en) Improvements in or relating to compositions
GB0118738D0 (en) Improvements in or relating to additives
GB2373808B (en) Improvements in or relating to connectors
GB0124728D0 (en) Improvements in or relating to compositions
GB2391539B (en) Improvement in or relating to stairlifts
GB0203102D0 (en) Improvements in or relating to dispensers
GB2372015B (en) Improvement in or relating to keyboards
GB0101710D0 (en) Improvements in or relating to installations
GB2379153B (en) Improvements in or relating to cooking
GB2378473B (en) Improvements in or relating to barriers
GB2374372B (en) Improvements in or relating to barriers
GB0118126D0 (en) Improvements in or relating to vapourisers
GB2376974B (en) Improvements in or relating to leaded-light glazing
GB0128167D0 (en) Improvements in keyboards
GB0123944D0 (en) Improvements in or relating to stairlifts
GB0102079D0 (en) Improvements in or relating to compostitions
GB0107455D0 (en) Improvements in or relating to passarelles
GB0105756D0 (en) Improvements in or relating to hoardings
GB0122187D0 (en) Improvements in or relating to devices
GB0212523D0 (en) Improvements in or relating to nozzles

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100209