DE1497300A1 - Beleuchtungsvorrichtung - Google Patents
BeleuchtungsvorrichtungInfo
- 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
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)
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 (US07709020-20100504-C00041.png) | 1965-06-01 | 1966-05-26 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE6609551U Expired DE6609551U (US07709020-20100504-C00041.png) | 1965-06-01 | 1966-05-26 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3349234A (US07709020-20100504-C00041.png) |
DE (2) | DE1497300A1 (US07709020-20100504-C00041.png) |
GB (1) | GB1143767A (US07709020-20100504-C00041.png) |
Families Citing this family (16)
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 |
CA2173336C (en) * | 1993-10-05 | 2005-08-16 | Philip L. Gleckman | Light source for backlighting |
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 |
EP1643322B1 (fr) * | 2004-09-29 | 2010-08-18 | Asulab S.A. | Dispositif d'éclairage à symétrie centrale d'un cadran |
US7748873B2 (en) * | 2004-10-07 | 2010-07-06 | Seoul Semiconductor Co., Ltd. | Side illumination lens and luminescent device using the same |
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)
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 |
-
1965
- 1965-06-01 US US460050A patent/US3349234A/en not_active Expired - Lifetime
-
1966
- 1966-05-20 GB GB2269166A patent/GB1143767A/en not_active Expired
- 1966-05-26 DE DE19661497300 patent/DE1497300A1/de active Pending
- 1966-05-26 DE DE6609551U patent/DE6609551U/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3349234A (en) | 1967-10-24 |
DE6609551U (US07709020-20100504-C00041.png) | 1972-06-29 |
GB1143767A (US07709020-20100504-C00041.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 |