GB8522276D0 - Flat membrane key & keyboard - Google Patents

Flat membrane key & keyboard

Info

Publication number
GB8522276D0
GB8522276D0 GB858522276A GB8522276A GB8522276D0 GB 8522276 D0 GB8522276 D0 GB 8522276D0 GB 858522276 A GB858522276 A GB 858522276A GB 8522276 A GB8522276 A GB 8522276A GB 8522276 D0 GB8522276 D0 GB 8522276D0
Authority
GB
United Kingdom
Prior art keywords
keyboard
flat membrane
membrane key
key
flat
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.)
Granted
Application number
GB858522276A
Other versions
GB2164496B (en
GB2164496A (en
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.)
Motorola Solutions Israel Ltd
Original Assignee
Motorola Israel 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 Motorola Israel Ltd filed Critical Motorola Israel Ltd
Publication of GB8522276D0 publication Critical patent/GB8522276D0/en
Publication of GB2164496A publication Critical patent/GB2164496A/en
Application granted granted Critical
Publication of GB2164496B publication Critical patent/GB2164496B/en
Expired 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
    • H01H13/70—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
    • H01H2203/052—Form of contacts to solve particular problems for backlighted keyboards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/022—Velvet; Mat finish
    • 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
    • H01H2219/00—Legends
    • H01H2219/028—Printed information
    • H01H2219/03—Printed information in transparent keyboard
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/036—Radio; TV
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/008—Static electricity considerations
GB08522276A 1984-09-15 1985-09-09 Back-illuminated membrane key Expired GB2164496B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848423358A GB8423358D0 (en) 1984-09-15 1984-09-15 Flat membrane key and keyboard

Publications (3)

Publication Number Publication Date
GB8522276D0 true GB8522276D0 (en) 1985-10-16
GB2164496A GB2164496A (en) 1986-03-19
GB2164496B GB2164496B (en) 1988-05-18

Family

ID=10566770

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848423358A Pending GB8423358D0 (en) 1984-09-15 1984-09-15 Flat membrane key and keyboard
GB08522276A Expired GB2164496B (en) 1984-09-15 1985-09-09 Back-illuminated membrane key

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848423358A Pending GB8423358D0 (en) 1984-09-15 1984-09-15 Flat membrane key and keyboard

Country Status (4)

Country Link
GB (2) GB8423358D0 (en)
HK (1) HK76490A (en)
IL (1) IL76293A (en)
SG (1) SG41690G (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191340A (en) * 1986-05-20 1987-12-09 Amalgamated Wireless Australas Interchangeable designation for membrane keyboard
FR2632745A1 (en) * 1988-06-13 1989-12-15 Alsthom Cgee Active keyboard implemented by programmable logic - has provision for altering function by re-programming and replacement of overlay
CA2066930C (en) * 1991-06-04 1996-08-06 Gary M. Sach Tactile feedback switch actuator
GB9325935D0 (en) * 1993-12-18 1994-02-23 C & K Switches Limited Improvements in membrane switch graphic assemblies
DE10034771A1 (en) * 2000-07-18 2002-01-31 Mannesmann Vdo Ag Switching device for an electrical device
EP1892737A1 (en) * 2006-08-23 2008-02-27 IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. Touchpad
KR101688941B1 (en) * 2010-08-30 2016-12-22 엘지전자 주식회사 Manufacturing method of portable terminal

Also Published As

Publication number Publication date
GB2164496B (en) 1988-05-18
HK76490A (en) 1990-10-05
GB2164496A (en) 1986-03-19
IL76293A0 (en) 1986-01-31
SG41690G (en) 1990-08-03
IL76293A (en) 1989-02-28
GB8423358D0 (en) 1984-11-07

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Legal Events

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

Effective date: 20020909