IN152689B - - Google Patents

Info

Publication number
IN152689B
IN152689B IN569/CAL/81A IN569CA1981A IN152689B IN 152689 B IN152689 B IN 152689B IN 569CA1981 A IN569CA1981 A IN 569CA1981A IN 152689 B IN152689 B IN 152689B
Authority
IN
India
Application number
IN569/CAL/81A
Other languages
English (en)
Inventor
William Andrus Thornton Jr
Daniel Alfred Larson
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IN152689B publication Critical patent/IN152689B/en

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
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
    • H01J61/44—Devices characterised by the luminescent material
    • 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
IN569/CAL/81A 1980-06-12 1981-05-28 IN152689B (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/158,858 US4341978A (en) 1980-06-12 1980-06-12 High-intensity-discharge lamp with improved color rendition of illuminated objects

Publications (1)

Publication Number Publication Date
IN152689B true IN152689B (ja) 1984-03-17

Family

ID=22570024

Family Applications (1)

Application Number Title Priority Date Filing Date
IN569/CAL/81A IN152689B (ja) 1980-06-12 1981-05-28

Country Status (5)

Country Link
US (1) US4341978A (ja)
EP (1) EP0042230B1 (ja)
JP (1) JPS5727555A (ja)
DE (1) DE3172490D1 (ja)
IN (1) IN152689B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626743A (en) * 1983-02-23 1986-12-02 Egyesult Izzolempa os Villamossagi Rt. High-pressure sodium lamp
JP2009508320A (ja) * 2005-09-14 2009-02-26 リッテルフューズ，インコーポレイティド ガス入りサージアレスタ、活性化化合物、点火ストライプ及びその方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2103038A (en) * 1933-08-24 1937-12-21 Gen Electric Gaseous electric arc discharge lamp device
US3263111A (en) * 1962-08-02 1966-07-26 Ulrich W Doering Fluorescent tube with mercury amalgam on tube wall
JPS4026508Y1 (ja) * 1964-04-23 1965-09-08
BE759082A (fr) * 1969-11-18 1971-05-18 Westinghouse Electric Corp Methode perfectionnee de preparation de phosphores orthovanadates de metaux de terres rares
US3657590A (en) * 1970-06-26 1972-04-18 Gen Electric High intensity far u.v. radiation source
US3707641A (en) * 1970-12-22 1972-12-26 Westinghouse Electric Corp Discharge device which utilizes a mixture of two fluorescent materials
US3670194A (en) * 1971-01-26 1972-06-13 Westinghouse Electric Corp Color-corrected high-pressure mercury-vapor lamp
US3866083A (en) * 1971-03-03 1975-02-11 Gen Electric Color rendition of high pressure mercury vapor lamp
US3761758A (en) * 1972-01-27 1973-09-25 Gte Sylvania Inc Metal halide lamp containing mercury, light emitting metal, sodium and another alkali metal
US3778662A (en) * 1972-10-31 1973-12-11 Gen Electric High intensity fluorescent lamp radiating ionic radiation within the range of 1,600{14 2,300 a.u.
US3832591A (en) * 1973-04-30 1974-08-27 Westinghouse Electric Corp High luminous efficacy white appearing lamp
US4029983A (en) * 1976-03-25 1977-06-14 Westinghouse Electric Corporation Metal-halide discharge lamp having a light output with incandescent characteristics
NL7604308A (nl) * 1976-04-23 1977-10-25 Philips Nv Lagedrukkwikdampontladingslamp.
US4065688A (en) * 1977-03-28 1977-12-27 Westinghouse Electric Corporation High-pressure mercury-vapor discharge lamp having a light output with incandescent characteristics
JPS5842590B2 (ja) * 1977-08-30 1983-09-20 株式会社東芝 けい光ランプ
JPS5591552A (en) * 1978-12-28 1980-07-11 Mitsubishi Electric Corp Metal vapor discharge lamp
JPS5591558A (en) * 1978-12-28 1980-07-11 Mitsubishi Electric Corp Metal vapor discharge lamp

Also Published As

Publication number Publication date
DE3172490D1 (en) 1985-11-07
EP0042230A1 (en) 1981-12-23
EP0042230B1 (en) 1985-10-02
US4341978A (en) 1982-07-27
JPS5727555A (en) 1982-02-13

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