EP0554084A3 - - Google Patents

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Publication number
EP0554084A3
EP0554084A3 EP19930300612 EP93300612A EP0554084A3 EP 0554084 A3 EP0554084 A3 EP 0554084A3 EP 19930300612 EP19930300612 EP 19930300612 EP 93300612 A EP93300612 A EP 93300612A EP 0554084 A3 EP0554084 A3 EP 0554084A3
Authority
EP
European Patent Office
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.)
Pending
Application number
EP19930300612
Other versions
EP0554084A2 (en
Inventor
Fumiyuki Kobayashi
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.)
NEC Corp
Original Assignee
NEC Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11813441&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0554084(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by NEC Corp filed Critical NEC Corp
Publication of EP0554084A2 publication Critical patent/EP0554084A2/en
Publication of EP0554084A3 publication Critical patent/EP0554084A3/xx
Pending 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
    • 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
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/014—LED
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/028—Printed information
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/002—Actuators integral with membrane
    • H01H2221/006—Adhesive
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/07—Actuators transparent
EP93300612A 1992-01-28 1993-01-28 Structure of an illumination type key top Pending EP0554084A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4012726A JP2710181B2 (ja) 1992-01-28 1992-01-28 照光式キートップの構造
JP12726/92 1992-01-28

Publications (2)

Publication Number Publication Date
EP0554084A2 EP0554084A2 (en) 1993-08-04
EP0554084A3 true EP0554084A3 (zh) 1994-01-05

Family

ID=11813441

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93300612A Pending EP0554084A2 (en) 1992-01-28 1993-01-28 Structure of an illumination type key top

Country Status (4)

Country Link
EP (1) EP0554084A2 (zh)
JP (1) JP2710181B2 (zh)
AU (1) AU3207393A (zh)
CA (1) CA2088087A1 (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5401927A (en) * 1993-03-31 1995-03-28 Motorola, Inc. Selectively illuminated indicator and method for making the same
KR960003475U (ko) * 1994-06-08 1996-01-22 라이팅 리모트콘트롤
JPH10116639A (ja) * 1996-10-15 1998-05-06 Shin Etsu Polymer Co Ltd 薄型押釦スイッチ用部材
DE19704419C1 (de) * 1997-02-06 1998-03-12 Whirlpool Co Tastenanordnung
JP2893445B2 (ja) * 1997-02-18 1999-05-24 サンアロー株式会社 照光式キー及びその製造方法
CN1197105C (zh) * 1999-08-27 2005-04-13 三菱电机株式会社 按钮开关及开关装置
FI108582B (fi) 2000-05-02 2002-02-15 Nokia Corp Näppäimistön valaisujärjestely, joka mahdollistaa näppäinten muuttuvan ja yksilöllisen valaisemisen, sekä menetelmä sen käyttämiseksi
JP2004079232A (ja) * 2002-08-12 2004-03-11 Nec Corp 押しボタンの照光構造と該押しボタンを備えた電子機器
FR2846144B1 (fr) * 2002-10-18 2005-04-15 Thales Sa Clavier etanche
KR100591854B1 (ko) * 2005-03-10 2006-06-26 디케이 유아이엘 주식회사 휴대단말기용 초슬림형 키패드 및 그 제조방법
KR100689392B1 (ko) * 2005-05-19 2007-03-02 삼성전자주식회사 키 패드와 그를 이용한 키 패드 어셈블리
JP4581971B2 (ja) * 2005-06-10 2010-11-17 パナソニック株式会社 キー入力装置
KR100649482B1 (ko) * 2006-05-15 2006-11-28 (주)아토콘 발광 키패드
ATE447234T1 (de) * 2006-07-18 2009-11-15 Research In Motion Ltd Tastatur für tragbares elektronisches gerät mit einem lichtleiter
US7825899B2 (en) 2006-07-18 2010-11-02 Research In Motion Limited Piano-style keypad employing a light guide

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3038613A1 (de) * 1979-10-15 1981-04-30 Casio Computer Co Ltd Tasteneingabevorrichtung fuer einen elektronischen uhrenrechner
DE3441614A1 (de) * 1983-11-15 1985-07-11 Shin-Etsu Polymer Co., Ltd., Tokio/Tokyo Gummihaube mit tastenkappe
US4937408A (en) * 1988-05-30 1990-06-26 Mitsubishi Denki Kabushiki Kaisha Self-illuminating panel switch
DE9102919U1 (de) * 1991-03-12 1991-06-06 AEG Mobile Communication GmbH, 7900 Ulm Tastenanordnung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3038613A1 (de) * 1979-10-15 1981-04-30 Casio Computer Co Ltd Tasteneingabevorrichtung fuer einen elektronischen uhrenrechner
DE3441614A1 (de) * 1983-11-15 1985-07-11 Shin-Etsu Polymer Co., Ltd., Tokio/Tokyo Gummihaube mit tastenkappe
US4937408A (en) * 1988-05-30 1990-06-26 Mitsubishi Denki Kabushiki Kaisha Self-illuminating panel switch
DE9102919U1 (de) * 1991-03-12 1991-06-06 AEG Mobile Communication GmbH, 7900 Ulm Tastenanordnung

Also Published As

Publication number Publication date
JPH05204512A (ja) 1993-08-13
CA2088087A1 (en) 1993-07-29
AU3207393A (en) 1993-07-29
JP2710181B2 (ja) 1998-02-10
EP0554084A2 (en) 1993-08-04

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