FI95177B - Med ett belyst tangentbord försedd frontpanel för en elektronisk apparat - Google Patents

Med ett belyst tangentbord försedd frontpanel för en elektronisk apparat Download PDF

Info

Publication number
FI95177B
FI95177B FI940092A FI940092A FI95177B FI 95177 B FI95177 B FI 95177B FI 940092 A FI940092 A FI 940092A FI 940092 A FI940092 A FI 940092A FI 95177 B FI95177 B FI 95177B
Authority
FI
Finland
Prior art keywords
light
light guide
tangent
panel according
panel
Prior art date
Application number
FI940092A
Other languages
English (en)
Finnish (fi)
Other versions
FI940092A0 (sv
FI940092A (sv
FI95177C (sv
Inventor
Seppo Pienimaa
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI940092A priority Critical patent/FI95177C/sv
Publication of FI940092A0 publication Critical patent/FI940092A0/sv
Priority to GB9500773A priority patent/GB2285518B/en
Publication of FI940092A publication Critical patent/FI940092A/sv
Publication of FI95177B publication Critical patent/FI95177B/sv
Application granted granted Critical
Publication of FI95177C publication Critical patent/FI95177C/sv

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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
    • 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
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H01H2219/044—Edge lighting of layer
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
FI940092A 1994-01-10 1994-01-10 Med ett belyst tangentbord försedd frontpanel för en elektronisk apparat FI95177C (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI940092A FI95177C (sv) 1994-01-10 1994-01-10 Med ett belyst tangentbord försedd frontpanel för en elektronisk apparat
GB9500773A GB2285518B (en) 1994-01-10 1995-01-10 Light guide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI940092 1994-01-10
FI940092A FI95177C (sv) 1994-01-10 1994-01-10 Med ett belyst tangentbord försedd frontpanel för en elektronisk apparat

Publications (4)

Publication Number Publication Date
FI940092A0 FI940092A0 (sv) 1994-01-10
FI940092A FI940092A (sv) 1995-07-11
FI95177B true FI95177B (sv) 1995-09-15
FI95177C FI95177C (sv) 1995-12-27

Family

ID=8539352

Family Applications (1)

Application Number Title Priority Date Filing Date
FI940092A FI95177C (sv) 1994-01-10 1994-01-10 Med ett belyst tangentbord försedd frontpanel för en elektronisk apparat

Country Status (2)

Country Link
FI (1) FI95177C (sv)
GB (1) GB2285518B (sv)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2723454B1 (fr) * 1994-08-03 1997-01-03 Sagem Clavier plat de saisie de donnees.
US5975711A (en) * 1995-06-27 1999-11-02 Lumitex, Inc. Integrated display panel assemblies
US5895115A (en) * 1996-01-16 1999-04-20 Lumitex, Inc. Light emitting panel assemblies for use in automotive applications and the like
US5746493A (en) * 1996-03-08 1998-05-05 Ericsson Inc. Light guide for a display or keyboard
US5708428A (en) * 1996-12-10 1998-01-13 Ericsson Inc. Method and apparatus for providing backlighting for keypads and LCD panels
WO2000074353A1 (en) * 1999-06-02 2000-12-07 Telefonaktiebolaget Lm Ericsson (Publ) Keypad-integrated lcd carrier for mobile telephones
GB2355569A (en) 1999-10-19 2001-04-25 Nokia Mobile Phones Ltd Light Guide
DE10142581A1 (de) * 2000-09-11 2002-03-28 Guenter Witteborg Tastatur für Computer
US7006349B2 (en) 2000-12-29 2006-02-28 Vertu Limited Casing
CN1252763C (zh) * 2000-12-29 2006-04-19 弗图有限公司 一种外壳
GB2374235B (en) 2000-12-29 2004-09-22 Nokia Mobile Phones Ltd A casing
GB2371266B (en) * 2000-12-29 2005-08-10 Nokia Mobile Phones Ltd A casing
GB2371265B (en) * 2000-12-29 2005-08-10 Nokia Mobile Phones Ltd A casing
US7511701B2 (en) 2000-12-29 2009-03-31 Vertu Limited Casing having light guide with legends
US7522943B2 (en) 2000-12-29 2009-04-21 Vertu Limited Casing
GB2371018B (en) * 2000-12-29 2005-04-06 Nokia Mobile Phones Ltd A Casing
CN1507586A (zh) * 2001-03-28 2004-06-23 巴巴拉・塞克斯通 计算机
US6827459B2 (en) * 2002-03-27 2004-12-07 3M Innovative Properties Company Lighted fastening structure
US6861600B1 (en) 2003-10-01 2005-03-01 Lumitex, Inc. Integrated switch and backlight assembly
JP4382432B2 (ja) * 2003-10-10 2009-12-16 スタンレー電気株式会社 自照式押釦入力装置
DE102008053357B4 (de) * 2008-10-27 2010-08-05 Gigaset Communications Gmbh Elektrotechnisches Gerät mit einer Beleuchtungsanordnung zum Beleuchten einer Tastaturmatte und eines Display-Moduls
EP2206529B2 (en) † 2008-12-18 2020-05-27 Sanofi-Aventis Deutschland GmbH Medication delivery device and method of manufacturing a medication delivery device
US8330725B2 (en) 2010-06-03 2012-12-11 Apple Inc. In-plane keyboard illumination

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774021A (en) * 1972-05-25 1973-11-20 Bell Telephone Labor Inc Light emitting device
GB2027551B (en) * 1978-03-15 1982-08-11 Decca Ltd Illuminated panels
JPS5686723U (sv) * 1979-12-07 1981-07-11
GB2235295B (en) * 1989-08-24 1993-09-08 Technophone Ltd Light guide
GB9011344D0 (en) * 1990-05-21 1990-07-11 Chessell Ltd Display
US5050946A (en) * 1990-09-27 1991-09-24 Compaq Computer Corporation Faceted light pipe

Also Published As

Publication number Publication date
GB9500773D0 (en) 1995-03-08
GB2285518A (en) 1995-07-12
FI940092A0 (sv) 1994-01-10
FI940092A (sv) 1995-07-11
FI95177C (sv) 1995-12-27
GB2285518B (en) 1998-02-18

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Legal Events

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