CN102473542B - 导光片和使用了该导光片的可动触点体、开关 - Google Patents

导光片和使用了该导光片的可动触点体、开关 Download PDF

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Publication number
CN102473542B
CN102473542B CN201080029337.5A CN201080029337A CN102473542B CN 102473542 B CN102473542 B CN 102473542B CN 201080029337 A CN201080029337 A CN 201080029337A CN 102473542 B CN102473542 B CN 102473542B
Authority
CN
China
Prior art keywords
light
base material
guide sheet
light emitting
movable contact
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
CN201080029337.5A
Other languages
English (en)
Chinese (zh)
Other versions
CN102473542A (zh
Inventor
田边功二
立畠直树
渡边宽敏
相阪勉
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CN102473542A publication Critical patent/CN102473542A/zh
Application granted granted Critical
Publication of CN102473542B publication Critical patent/CN102473542B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/056—Diffuser; Uneven surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor
    • 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

  • Push-Button Switches (AREA)
CN201080029337.5A 2009-06-29 2010-06-28 导光片和使用了该导光片的可动触点体、开关 Expired - Fee Related CN102473542B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP153390/2009 2009-06-29
JP2009153390 2009-06-29
JP108870/2010 2010-05-11
JP2010108870A JP4894941B2 (ja) 2009-06-29 2010-05-11 導光シート及びこれを用いた可動接点体
PCT/JP2010/004260 WO2011001654A1 (ja) 2009-06-29 2010-06-28 導光シートとそれを用いた可動接点体、スイッチ

Publications (2)

Publication Number Publication Date
CN102473542A CN102473542A (zh) 2012-05-23
CN102473542B true CN102473542B (zh) 2014-09-03

Family

ID=43410742

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201080029337.5A Expired - Fee Related CN102473542B (zh) 2009-06-29 2010-06-28 导光片和使用了该导光片的可动触点体、开关

Country Status (5)

Country Link
US (1) US20110315534A1 (enExample)
JP (1) JP4894941B2 (enExample)
KR (1) KR101243538B1 (enExample)
CN (1) CN102473542B (enExample)
WO (1) WO2011001654A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201245784A (en) * 2011-05-11 2012-11-16 Ichia Tech Inc Light guide plate structure and method of fabricating the same
US9190998B2 (en) * 2012-04-10 2015-11-17 Xerox Corporation Optical switch
KR200475523Y1 (ko) * 2013-10-17 2014-12-05 현대다이모스(주) 유아용 시트 고정장치를 위한 발광장치.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150257A (en) * 1991-07-29 1992-09-22 Eaton Corporation High reliability, low intensity back lit SR and NVGC indicator assembly
MY123008A (en) * 1998-07-31 2006-05-31 Shinetsu Polymer Co Key top element, push button switch element and method for manufacturing same
JP2001281697A (ja) * 2000-03-30 2001-10-10 Toshiba Corp 液晶表示装置
JP2008041431A (ja) * 2006-08-07 2008-02-21 Sunarrow Ltd キーシート及びそれを備えたキーユニット並びにキーシートの製造方法
JP2008269889A (ja) * 2007-04-18 2008-11-06 Alps Electric Co Ltd スイッチ用照光部材およびそれを用いたスイッチ装置
JP2009156952A (ja) * 2007-12-25 2009-07-16 Nitto Denko Corp 発光装置用光導波路およびその製造方法
JP2009245909A (ja) * 2008-04-01 2009-10-22 Omron Corp キー照明スイッチモジュール及び導光シート
JP5211168B2 (ja) * 2008-08-28 2013-06-12 アルプス電気株式会社 入力装置

Also Published As

Publication number Publication date
JP4894941B2 (ja) 2012-03-14
JP2011029156A (ja) 2011-02-10
US20110315534A1 (en) 2011-12-29
WO2011001654A1 (ja) 2011-01-06
KR101243538B1 (ko) 2013-03-20
KR20110110813A (ko) 2011-10-07
CN102473542A (zh) 2012-05-23

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140903

Termination date: 20160628

CF01 Termination of patent right due to non-payment of annual fee