GB1294981A - - Google Patents

Info

Publication number
GB1294981A
GB1294981A GB1294981DA GB1294981A GB 1294981 A GB1294981 A GB 1294981A GB 1294981D A GB1294981D A GB 1294981DA GB 1294981 A GB1294981 A GB 1294981A
Authority
GB
United Kingdom
Prior art keywords
metal
filling
lamp
dysprozium
mercury
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1294981A publication Critical patent/GB1294981A/en
Expired 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
    • H01J61/12—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
    • 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
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent

Landscapes

  • Discharge Lamp (AREA)
GB1294981D 1969-03-03 1970-02-16 Expired GB1294981A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80392569A 1969-03-03 1969-03-03

Publications (1)

Publication Number Publication Date
GB1294981A true GB1294981A (es) 1972-11-01

Family

ID=25187769

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1294981D Expired GB1294981A (es) 1969-03-03 1970-02-16

Country Status (6)

Country Link
US (1) US3569766A (es)
BE (1) BE746608A (es)
DE (1) DE2009684A1 (es)
FR (1) FR2037148A1 (es)
GB (1) GB1294981A (es)
NL (1) NL7002963A (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165392A (en) * 1984-10-09 1986-04-09 Gen Electric Arc tubes

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4590429A (en) * 1983-11-16 1986-05-20 General Motors Corporation Nondestructive measurement of oxygen level in a tungsten-halogen incandescent bulb
US4918352A (en) * 1988-11-07 1990-04-17 General Electric Company Metal halide lamps with oxidized frame parts
TW347547B (en) * 1994-05-17 1998-12-11 Toshiba Light Technic Kk Discharge lamp and illumination apparatus using the same
US6819050B1 (en) * 2003-05-02 2004-11-16 Matsushita Electric Industrial Co., Ltd. Metal halide lamp with trace T1I filling for improved dimming properties

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259777A (en) * 1961-05-09 1966-07-05 Gen Electric Metal halide vapor discharge lamp with near molten tip electrodes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165392A (en) * 1984-10-09 1986-04-09 Gen Electric Arc tubes

Also Published As

Publication number Publication date
US3569766A (en) 1971-03-09
DE2009684A1 (de) 1970-09-17
FR2037148A1 (es) 1970-12-31
NL7002963A (es) 1970-09-07
BE746608A (fr) 1970-07-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE Patent expired