ATE510234T1 - Tastaturbaugruppe zur minimierung der emission von licht aus unbeabsichtigten pfaden - Google Patents

Tastaturbaugruppe zur minimierung der emission von licht aus unbeabsichtigten pfaden

Info

Publication number
ATE510234T1
ATE510234T1 AT08172115T AT08172115T ATE510234T1 AT E510234 T1 ATE510234 T1 AT E510234T1 AT 08172115 T AT08172115 T AT 08172115T AT 08172115 T AT08172115 T AT 08172115T AT E510234 T1 ATE510234 T1 AT E510234T1
Authority
AT
Austria
Prior art keywords
panel
dome
lightguide
backside
lightguide panel
Prior art date
Application number
AT08172115T
Other languages
English (en)
Inventor
Chao Chen
Original Assignee
Research In Motion 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 Research In Motion Ltd filed Critical Research In Motion Ltd
Application granted granted Critical
Publication of ATE510234T1 publication Critical patent/ATE510234T1/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • 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
    • H01H13/83—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 characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/064—Optical isolation of switch sites

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telephone Set Structure (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
AT08172115T 2008-10-08 2008-12-18 Tastaturbaugruppe zur minimierung der emission von licht aus unbeabsichtigten pfaden ATE510234T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10379108P 2008-10-08 2008-10-08

Publications (1)

Publication Number Publication Date
ATE510234T1 true ATE510234T1 (de) 2011-06-15

Family

ID=40756823

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08172115T ATE510234T1 (de) 2008-10-08 2008-12-18 Tastaturbaugruppe zur minimierung der emission von licht aus unbeabsichtigten pfaden

Country Status (4)

Country Link
US (1) US8436752B2 (de)
EP (1) EP2175294B1 (de)
AT (1) ATE510234T1 (de)
CA (1) CA2681247C (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9029723B2 (en) 2010-12-30 2015-05-12 Blackberry Limited Keypad apparatus and methods
TW201409512A (zh) * 2012-08-23 2014-03-01 Hon Hai Prec Ind Co Ltd 一種按鍵裝置及其導光膜層
US10162095B2 (en) * 2016-01-15 2018-12-25 Control4 Corporation Backlighting for a button assembly and method
CN109617547A (zh) * 2018-12-30 2019-04-12 李扬渊 一种具有背光的面板和按键面板

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3276058A (en) * 1962-09-25 1966-10-04 Wolverine Shoe And Tanning Cor Heel breasting method
US3295216A (en) * 1962-09-25 1967-01-03 Wolverine Shoe And Tanning Cor Heel breasting equipment
US3789638A (en) * 1972-07-28 1974-02-05 Locking Syst Inc Rotary disc tumbler lock construction
KR960003475U (ko) * 1994-06-08 1996-01-22 라이팅 리모트콘트롤
US5747756A (en) * 1996-09-10 1998-05-05 Gm Nameplate, Inc. Electroluminescent backlit keypad
US20080143560A1 (en) * 1999-09-15 2008-06-19 Michael Shipman Lightpipe for illuminating keys of a keyboard
EP1732094B1 (de) * 2005-05-19 2008-07-16 Samsung Electronics Co., Ltd. Tastatur und Tastaturanordnung
US7786623B2 (en) * 2005-09-07 2010-08-31 Amx Llc Power management for electronic devices
US7683279B2 (en) * 2006-02-28 2010-03-23 Hyun Soo Kim Light emitting keypad comprising light guide film and light guide
KR100754686B1 (ko) * 2006-03-28 2007-09-03 삼성전자주식회사 키패드 어셈블리
JP4926762B2 (ja) * 2006-08-03 2012-05-09 シチズン電子株式会社 発光シートモジュール
KR101228452B1 (ko) * 2006-09-12 2013-01-31 엘지전자 주식회사 키패드 어셈블리 및 이를 구비한 휴대 단말기
KR101329143B1 (ko) * 2007-01-10 2013-11-20 삼성전자주식회사 금속 나노입자를 이용한 자외선 차단 재료
JP4491033B2 (ja) * 2008-11-27 2010-06-30 株式会社東芝 キーボードおよび電子機器

Also Published As

Publication number Publication date
US20100085217A1 (en) 2010-04-08
EP2175294B1 (de) 2011-05-18
CA2681247A1 (en) 2010-04-08
CA2681247C (en) 2014-04-29
US8436752B2 (en) 2013-05-07
EP2175294A1 (de) 2010-04-14

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties