DE1497300A1 - Beleuchtungsvorrichtung - Google Patents

Beleuchtungsvorrichtung

Info

Publication number
DE1497300A1
DE1497300A1 DE19661497300 DE1497300A DE1497300A1 DE 1497300 A1 DE1497300 A1 DE 1497300A1 DE 19661497300 DE19661497300 DE 19661497300 DE 1497300 A DE1497300 A DE 1497300A DE 1497300 A1 DE1497300 A1 DE 1497300A1
Authority
DE
Germany
Prior art keywords
disc
light
wedge
curved
over
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.)
Pending
Application number
DE19661497300
Other languages
German (de)
English (en)
Inventor
Schwarz William G
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.)
Honeywell Inc
Original Assignee
Honeywell 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 Honeywell Inc filed Critical Honeywell Inc
Publication of DE1497300A1 publication Critical patent/DE1497300A1/de
Pending 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/30—Illumination of dials or hands

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Details Of Measuring And Other Instruments (AREA)
  • Details Of Measuring Devices (AREA)
DE19661497300 1965-06-01 1966-05-26 Beleuchtungsvorrichtung Pending DE1497300A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US460050A US3349234A (en) 1965-06-01 1965-06-01 Illuminating apparatus

Publications (1)

Publication Number Publication Date
DE1497300A1 true DE1497300A1 (de) 1969-06-04

Family

ID=23827223

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19661497300 Pending DE1497300A1 (de) 1965-06-01 1966-05-26 Beleuchtungsvorrichtung
DE6609551U Expired DE6609551U (US06521211-20030218-C00004.png) 1965-06-01 1966-05-26

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE6609551U Expired DE6609551U (US06521211-20030218-C00004.png) 1965-06-01 1966-05-26

Country Status (3)

Country Link
US (1) US3349234A (US06521211-20030218-C00004.png)
DE (2) DE1497300A1 (US06521211-20030218-C00004.png)
GB (1) GB1143767A (US06521211-20030218-C00004.png)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737644A (en) * 1971-12-16 1973-06-05 Bendix Corp Arrangement for illuminating non-planar surfaces
DE3239783A1 (de) * 1982-10-27 1984-05-03 Vdo Adolf Schindling Ag, 6000 Frankfurt Beleuchtungseinrichtung
JPH0679120B2 (ja) * 1988-08-06 1994-10-05 三菱電機株式会社 面発光装置
JP2848499B2 (ja) * 1991-03-28 1999-01-20 矢崎総業株式会社 車両用表示装置
DE69427864T2 (de) * 1993-10-05 2002-07-04 Teledyne Lighting & Display Lichtquelle für hintergrundsbeleuchtung
US5440197A (en) * 1993-10-05 1995-08-08 Tir Technologies, Inc. Backlighting apparatus for uniformly illuminating a display panel
US6313892B2 (en) 1993-10-05 2001-11-06 Teledyne Lighting And Display Products, Inc. Light source utilizing reflective cavity having sloped side surfaces
US6473554B1 (en) 1996-12-12 2002-10-29 Teledyne Lighting And Display Products, Inc. Lighting apparatus having low profile
US6007209A (en) * 1997-03-19 1999-12-28 Teledyne Industries, Inc. Light source for backlighting
US6134092A (en) * 1998-04-08 2000-10-17 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays
JP3803062B2 (ja) * 2001-12-27 2006-08-02 矢崎総業株式会社 車両用指示装置
ATE478365T1 (de) * 2004-09-29 2010-09-15 Asulab Sa Anzeigebeleuchtung eines zifferblatt mit zentraler symmetrie
TWI405349B (zh) * 2004-10-07 2013-08-11 Seoul Semiconductor Co Ltd 側照明透鏡以及使用此透鏡的發光元件
AT511011A1 (de) * 2010-12-20 2012-08-15 Mb Microtec Ag Anzeigevorrichtung mit einem transparenten körper
US9581751B2 (en) * 2013-01-30 2017-02-28 Cree, Inc. Optical waveguide and lamp including same
US10901228B2 (en) * 2017-06-27 2021-01-26 The Boeing Company Cavity with curved beam replicator and method of determining a characteristic of a medium therein

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761056A (en) * 1953-02-13 1956-08-28 Lazo John Instrument illuminating means
US3040168A (en) * 1957-09-25 1962-06-19 Kollsman Instr Corp Instrument lighting device
US3029334A (en) * 1958-12-26 1962-04-10 Sperry Rand Corp Illuminating means for direct reading instruments
US3246133A (en) * 1964-01-20 1966-04-12 Robert H Hensleigh Illuminating system

Also Published As

Publication number Publication date
DE6609551U (US06521211-20030218-C00004.png) 1972-06-29
US3349234A (en) 1967-10-24
GB1143767A (US06521211-20030218-C00004.png) 1969-02-26

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Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971