CA2088087A1 - Structure of an illumination type key top - Google Patents

Structure of an illumination type key top

Info

Publication number
CA2088087A1
CA2088087A1 CA 2088087 CA2088087A CA2088087A1 CA 2088087 A1 CA2088087 A1 CA 2088087A1 CA 2088087 CA2088087 CA 2088087 CA 2088087 A CA2088087 A CA 2088087A CA 2088087 A1 CA2088087 A1 CA 2088087A1
Authority
CA
Canada
Prior art keywords
button
key
light
key top
seat
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.)
Abandoned
Application number
CA 2088087
Other languages
English (en)
French (fr)
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
Individual
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=CA2088087(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2088087A1 publication Critical patent/CA2088087A1/en
Abandoned 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

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
CA 2088087 1992-01-28 1993-01-26 Structure of an illumination type key top Abandoned CA2088087A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4-12726 1992-01-28
JP4012726A JP2710181B2 (ja) 1992-01-28 1992-01-28 照光式キートップの構造

Publications (1)

Publication Number Publication Date
CA2088087A1 true CA2088087A1 (en) 1993-07-29

Family

ID=11813441

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2088087 Abandoned CA2088087A1 (en) 1992-01-28 1993-01-26 Structure of an illumination type key top

Country Status (4)

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

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
US7825899B2 (en) 2006-07-18 2010-11-02 Research In Motion Limited Piano-style keypad employing a light guide
EP2003669B1 (en) * 2006-07-18 2010-09-29 Research In Motion Limited Keypad for a handheld electronic device with a light guide

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2062304B (en) * 1979-10-15 1983-07-13 Casio Computer Co Ltd Key input device for electronic timepiece calculator
JPS6087125U (ja) * 1983-11-15 1985-06-15 信越ポリマー株式会社 ゴム製スイツチ部材
JPH01174820U (ja) * 1988-05-30 1989-12-12
DE4107841A1 (de) * 1991-03-12 1992-09-17 Aeg Mobile Communication Tastenanordnung

Also Published As

Publication number Publication date
JP2710181B2 (ja) 1998-02-10
EP0554084A2 (en) 1993-08-04
EP0554084A3 (ja) 1994-01-05
AU3207393A (en) 1993-07-29
JPH05204512A (ja) 1993-08-13

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead