IT1038753B - ELECTRIC GAS DISCHARGE BULB - Google Patents

ELECTRIC GAS DISCHARGE BULB

Info

Publication number
IT1038753B
IT1038753B IT24098/75A IT2409875A IT1038753B IT 1038753 B IT1038753 B IT 1038753B IT 24098/75 A IT24098/75 A IT 24098/75A IT 2409875 A IT2409875 A IT 2409875A IT 1038753 B IT1038753 B IT 1038753B
Authority
IT
Italy
Prior art keywords
gas discharge
discharge bulb
electric gas
electric
bulb
Prior art date
Application number
IT24098/75A
Other languages
Italian (it)
Original Assignee
Thorn Electrical Ind 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 Thorn Electrical Ind Ltd filed Critical Thorn Electrical Ind Ltd
Application granted granted Critical
Publication of IT1038753B publication Critical patent/IT1038753B/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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/827—Metal halide arc lamps
IT24098/75A 1974-06-07 1975-06-06 ELECTRIC GAS DISCHARGE BULB IT1038753B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25471/74A GB1502612A (en) 1974-06-07 1974-06-07 Discharge lamps containing an inert gas and a metal halid

Publications (1)

Publication Number Publication Date
IT1038753B true IT1038753B (en) 1979-11-30

Family

ID=10228252

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24098/75A IT1038753B (en) 1974-06-07 1975-06-06 ELECTRIC GAS DISCHARGE BULB

Country Status (9)

Country Link
JP (1) JPS5110682A (en)
AU (1) AU501780B2 (en)
CA (1) CA1037097A (en)
DE (1) DE2525408C3 (en)
FR (1) FR2274139A1 (en)
GB (1) GB1502612A (en)
IT (1) IT1038753B (en)
NL (1) NL7506708A (en)
ZA (1) ZA753665B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6653801B1 (en) 1979-11-06 2003-11-25 Matsushita Electric Industrial Co., Ltd. Mercury-free metal-halide lamp
JPS5691368A (en) * 1979-12-24 1981-07-24 Toshiba Corp Metal halide lamp
US4783615A (en) * 1985-06-26 1988-11-08 General Electric Company Electrodeless high pressure sodium iodide arc lamp
DE59805987D1 (en) * 1997-08-05 2002-11-21 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh METHOD FOR OPERATING A DC CURRENT METAL HALOGENID ARCH LAMP AND RELATED CIRCUIT ARRANGEMENT
CN1277732A (en) * 1998-09-16 2000-12-20 松下电器产业株式会社 Anhydrous silver halide lamp
US7825598B2 (en) 2004-12-20 2010-11-02 General Electric Company Mercury-free discharge compositions and lamps incorporating Titanium, Zirconium, and Hafnium
US7847484B2 (en) * 2004-12-20 2010-12-07 General Electric Company Mercury-free and sodium-free compositions and radiation source incorporating same
US7928669B2 (en) 2008-02-08 2011-04-19 General Electric Company Color control of a discharge lamp during dimming

Also Published As

Publication number Publication date
AU8185375A (en) 1976-12-09
DE2525408C3 (en) 1980-02-28
ZA753665B (en) 1976-05-26
CA1037097A (en) 1978-08-22
AU501780B2 (en) 1979-06-28
NL7506708A (en) 1975-12-09
DE2525408A1 (en) 1975-12-18
DE2525408B2 (en) 1979-06-21
JPS5110682A (en) 1976-01-28
FR2274139B1 (en) 1979-06-22
FR2274139A1 (en) 1976-01-02
GB1502612A (en) 1978-03-01

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