DE69529012D1 - Lichtleiter mit Weitwinkelausgang - Google Patents

Lichtleiter mit Weitwinkelausgang

Info

Publication number
DE69529012D1
DE69529012D1 DE69529012T DE69529012T DE69529012D1 DE 69529012 D1 DE69529012 D1 DE 69529012D1 DE 69529012 T DE69529012 T DE 69529012T DE 69529012 T DE69529012 T DE 69529012T DE 69529012 D1 DE69529012 D1 DE 69529012D1
Authority
DE
Germany
Prior art keywords
light guide
wide angle
angle output
output
wide
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
DE69529012T
Other languages
English (en)
Other versions
DE69529012T2 (de
Inventor
William C Mcright
Mary E Kingsbury
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.)
Siemens Communications Inc
Original Assignee
Siemens Information and Communication Networks Inc
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 Siemens Information and Communication Networks Inc filed Critical Siemens Information and Communication Networks Inc
Publication of DE69529012D1 publication Critical patent/DE69529012D1/de
Application granted granted Critical
Publication of DE69529012T2 publication Critical patent/DE69529012T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • 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
    • G02B6/0005—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 of the fibre type
    • G02B6/0008—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 of the fibre type the light being emitted at the end of the fibre
DE69529012T 1994-03-23 1995-03-08 Lichtleiter mit Weitwinkelausgang Expired - Fee Related DE69529012T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/217,140 US5425124A (en) 1994-03-23 1994-03-23 Lightpipe providing wide angle output

Publications (2)

Publication Number Publication Date
DE69529012D1 true DE69529012D1 (de) 2003-01-16
DE69529012T2 DE69529012T2 (de) 2003-07-10

Family

ID=22809816

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69529012T Expired - Fee Related DE69529012T2 (de) 1994-03-23 1995-03-08 Lichtleiter mit Weitwinkelausgang

Country Status (5)

Country Link
US (1) US5425124A (de)
EP (1) EP0678762B1 (de)
JP (1) JP3631793B2 (de)
DE (1) DE69529012T2 (de)
ES (1) ES2189810T3 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997015819A1 (en) * 1995-10-25 1997-05-01 University Of Washington Surface plasmon resonance light pipe sensor
GB9917563D0 (en) * 1999-07-27 1999-09-29 Fibre Optic Lamp Company Fibre optic lamps
US7167615B1 (en) 1999-11-05 2007-01-23 Board Of Regents, The University Of Texas System Resonant waveguide-grating filters and sensors and methods for making and using same
US6728187B2 (en) * 2001-06-07 2004-04-27 Hewlett-Packard Development Company, L.P. Light pipe assembly for an optical drive
US20050121424A1 (en) * 2003-12-05 2005-06-09 Scott Caldwell Optical horned lightpipe or lightguide
JP5414224B2 (ja) * 2007-10-19 2014-02-12 富士フイルム株式会社 面状照明装置
FR2968745B1 (fr) * 2010-12-14 2012-12-07 Valeo Systemes Thermiques Temoin lumineux

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699950A (en) * 1970-07-02 1972-10-24 Dyonics Inc Flexible optical light pipes used for surgery
US4422719A (en) * 1981-05-07 1983-12-27 Space-Lyte International, Inc. Optical distribution system including light guide
US4466697A (en) * 1981-11-12 1984-08-21 Maurice Daniel Light dispersive optical lightpipes and method of making the same
EP0143856B1 (de) * 1983-11-29 1989-02-08 Kei Mori Leuchtstrahler
US5071222A (en) * 1987-12-29 1991-12-10 Luxar Corporation Lightpipe tip for contact laser surgery
NL8801274A (nl) * 1988-05-18 1989-12-18 Philips Nv Gerichte optische signalering.
US5001609A (en) * 1988-10-05 1991-03-19 Hewlett-Packard Company Nonimaging light source
DE4101192A1 (de) * 1991-01-17 1992-07-23 Merk Gmbh Telefonbau Fried Anzeigevorrichtung fuer ein geraet
EP0575767B1 (de) * 1992-06-25 1998-10-14 Siemens Business Communication Systems, Inc. (a Delaware corp.) Lichtleiter von hoher Durchlässigkeit in geringem Abstand zu einer Funktionstaste
DE4225323C1 (de) * 1992-07-31 1993-05-06 Schott Glaswerke, 6500 Mainz, De
US5267995A (en) * 1992-09-01 1993-12-07 Pdt Systems Optical waveguide with flexible tip

Also Published As

Publication number Publication date
EP0678762A1 (de) 1995-10-25
JP3631793B2 (ja) 2005-03-23
ES2189810T3 (es) 2003-07-16
US5425124A (en) 1995-06-13
DE69529012T2 (de) 2003-07-10
JPH0843630A (ja) 1996-02-16
EP0678762B1 (de) 2002-12-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee