EP0494310A4 - Variable color lamp - Google Patents

Variable color lamp

Info

Publication number
EP0494310A4
EP0494310A4 EP19910913076 EP91913076A EP0494310A4 EP 0494310 A4 EP0494310 A4 EP 0494310A4 EP 19910913076 EP19910913076 EP 19910913076 EP 91913076 A EP91913076 A EP 91913076A EP 0494310 A4 EP0494310 A4 EP 0494310A4
Authority
EP
European Patent Office
Prior art keywords
variable color
color lamp
lamp
variable
color
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.)
Withdrawn
Application number
EP19910913076
Other languages
English (en)
Other versions
EP0494310A1 (fr
Inventor
Koichi Toto Ltd. Hayashi
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.)
Toto Ltd
Original Assignee
Toto 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 Toto Ltd filed Critical Toto Ltd
Publication of EP0494310A1 publication Critical patent/EP0494310A1/fr
Publication of EP0494310A4 publication Critical patent/EP0494310A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/302—Vessels; Containers characterised by the material of the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/92—Lamps with more than one main discharge path
    • H01J61/94—Paths producing light of different wavelengths, e.g. for simulating daylight
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/125—Selection of substances for gas fillings; Specified operating pressure or temperature having an halogenide as principal component
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
EP19910913076 1990-07-18 1991-07-18 Variable color lamp Withdrawn EP0494310A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP191815/90 1990-07-18
JP19181590 1990-07-18

Publications (2)

Publication Number Publication Date
EP0494310A1 EP0494310A1 (fr) 1992-07-15
EP0494310A4 true EP0494310A4 (en) 1992-11-19

Family

ID=16280987

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910913076 Withdrawn EP0494310A4 (en) 1990-07-18 1991-07-18 Variable color lamp

Country Status (4)

Country Link
EP (1) EP0494310A4 (fr)
KR (1) KR920702542A (fr)
CA (1) CA2066604A1 (fr)
WO (1) WO1992002035A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2578455Y2 (ja) * 1992-06-15 1998-08-13 松下電工株式会社 色温度可変照明装置
JPH0676961A (ja) * 1992-08-26 1994-03-18 Matsushita Electric Works Ltd 可変色照明装置
DE4312744A1 (de) * 1993-04-20 1994-12-22 Kuemmerling Andreas Strangförmige Mehrkammerglasprofile
EP1610593B2 (fr) 1999-11-18 2020-02-19 Signify North America Corporation Génération de lumière blanche avec des diodes électroluminescentes de spectres différents
DE10145648B4 (de) * 2001-09-15 2006-08-24 Arccure Technologies Gmbh Bestrahlungsvorrichtung mit veränderlichem Spektrum
US20060145625A1 (en) * 2003-09-22 2006-07-06 Nobuyoshi Takeuchi Metal halide lamp
DE102004051395A1 (de) 2004-10-21 2006-04-27 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hocheffizienter stabiler Oxinitrid-Leuchtstoff
CN1809242B (zh) * 2005-01-19 2011-01-12 杨东亮 彩色光源的数字合成方法及其控制系统
US7825822B2 (en) 2005-04-01 2010-11-02 Cepia, Llc System and method for extracting and conveying modulated AC signal information
US7520633B2 (en) 2005-04-01 2009-04-21 Cepia, Llc Lighting and display apparatus
EP1905062A2 (fr) * 2005-06-29 2008-04-02 Philips Intellectual Property & Standards GmbH Lampe a decharge basse pression comprenant un radiateur moleculaire et un additif
US8282986B2 (en) 2006-05-18 2012-10-09 Osram Sylvania, Inc. Method of applying phosphor coatings
ES2289957B1 (es) * 2007-02-07 2008-12-01 Universidad Complutense De Madrid Fuente de iluminacion con emision reducida de longitudes de onda corta para la proteccion de ojos.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE433124A (fr) *
FR752589A (fr) * 1932-04-24 1933-09-26 Philips Nv Disposition de tubes lumineux multicolores
US1932509A (en) * 1930-03-01 1933-10-31 Connecticut Telephone & Elec Gas lamp
FR2353015A1 (fr) * 1976-05-25 1977-12-23 Mitsubishi Electric Corp Procede d'eclairage pour produire des ombres colorees

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5318876U (fr) * 1976-07-28 1978-02-17
JPS54154413A (en) * 1978-05-08 1979-12-05 Ngk Spark Plug Co Alphaaalumina sintered body production
JPS5857066U (ja) * 1981-10-14 1983-04-18 株式会社日立製作所 多色発光の可能な表示灯
JPS59154739A (ja) * 1983-02-21 1984-09-03 Toshiba Corp 低圧水銀蒸気放電灯
JPS60180964A (ja) * 1984-02-24 1985-09-14 株式会社トクヤマ 窒化アルミニウム焼結体の製造方法
JPS6122553A (ja) * 1984-03-24 1986-01-31 Matsushita Electric Works Ltd 平板型螢光ランプ装置
JPS6149367A (ja) * 1984-08-17 1986-03-11 Matsushita Electric Works Ltd 可変色放電灯
NL8502509A (nl) * 1985-09-13 1987-04-01 Philips Nv Hogedrukkwikdampontladingslamp.
JPS62188158A (ja) * 1986-02-14 1987-08-17 Matsushita Electric Works Ltd 蛍光ランプ
JPS63242964A (ja) * 1987-03-31 1988-10-07 日本碍子株式会社 アルミナセラミックスの製造方法
JPH01155793A (ja) * 1987-12-11 1989-06-19 Seiko Epson Corp 投写型カラー表示装置
JPH02132750A (ja) * 1988-11-11 1990-05-22 Kyocera Corp 高圧放電灯
JPH02255563A (ja) * 1989-03-30 1990-10-16 Toshiba Tungaloy Co Ltd 工具用アルミナ焼結体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE433124A (fr) *
US1932509A (en) * 1930-03-01 1933-10-31 Connecticut Telephone & Elec Gas lamp
FR752589A (fr) * 1932-04-24 1933-09-26 Philips Nv Disposition de tubes lumineux multicolores
FR2353015A1 (fr) * 1976-05-25 1977-12-23 Mitsubishi Electric Corp Procede d'eclairage pour produire des ombres colorees

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
JOURNAL OF THE ILLUMINATING ENGINEERING SOCIETY. vol. 18, no. 2, 1989, NEW YORK US pages 23 - 31; TOHO ET AL.: 'High Brightness, Color Variable Lighting Element for Large Outdoor Displays' *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 421 (E-822)19 September 1989 & JP-A-1 155 793 ( SEIKO EPSON CORP ) 19 June 1989 *
PATENT ABSTRACTS OF JAPAN vol. 15, no. 1 (C-793)7 January 1991 & JP-A-2 255 563 ( TOSHIBA TUNGALOY CO LTD ) 16 October 1990 *
See also references of WO9202035A1 *
WORLD PATENTS INDEX LATEST Section Ch, Week 8543, 1985 Derwent Publications Ltd., London, GB; Class E, AN 85-267393 & JP-A-60 180 964 (TOKUYAMA SODA KK) 14 September 1985 *

Also Published As

Publication number Publication date
EP0494310A1 (fr) 1992-07-15
CA2066604A1 (fr) 1992-01-19
KR920702542A (ko) 1992-09-04
WO1992002035A1 (fr) 1992-02-06

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 19920316

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18D Application deemed to be withdrawn

Effective date: 19970201