GB1193057A - Metal Halide Additive Mercury Arc Discharge Lamps. - Google Patents

Metal Halide Additive Mercury Arc Discharge Lamps.

Info

Publication number
GB1193057A
GB1193057A GB9253/69A GB925369A GB1193057A GB 1193057 A GB1193057 A GB 1193057A GB 9253/69 A GB9253/69 A GB 9253/69A GB 925369 A GB925369 A GB 925369A GB 1193057 A GB1193057 A GB 1193057A
Authority
GB
United Kingdom
Prior art keywords
emissive material
additive
metal
oxide
lamp
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
GB9253/69A
Other languages
English (en)
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.)
CBS Corp
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 GB1193057A publication Critical patent/GB1193057A/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
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material

Landscapes

  • Discharge Lamp (AREA)
GB9253/69A 1968-03-11 1969-02-20 Metal Halide Additive Mercury Arc Discharge Lamps. Expired GB1193057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71223868A 1968-03-11 1968-03-11

Publications (1)

Publication Number Publication Date
GB1193057A true GB1193057A (en) 1970-05-28

Family

ID=24861306

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9253/69A Expired GB1193057A (en) 1968-03-11 1969-02-20 Metal Halide Additive Mercury Arc Discharge Lamps.

Country Status (6)

Country Link
US (1) US3530327A (de)
BE (1) BE729722A (de)
DE (1) DE1911985C3 (de)
FR (1) FR2003641A1 (de)
GB (1) GB1193057A (de)
NL (1) NL6903692A (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1950090C3 (de) * 1969-10-03 1979-09-27 Siemens Ag, 1000 Berlin U. 8000 Muenchen Gasentladungsröhre
FR2102866A5 (de) * 1970-08-27 1972-04-07 Eclairage Lab
US3786297A (en) * 1972-04-13 1974-01-15 Westinghouse Electric Corp Discharge lamp which incorporates cerium and cesium halides and a high mercury loading
JPS5416671B2 (de) * 1973-05-10 1979-06-23
US3919581A (en) * 1974-07-12 1975-11-11 Gen Electric Thoria-yttria emission mixture for discharge lamps
US3988629A (en) * 1974-10-07 1976-10-26 General Electric Company Thermionic wick electrode for discharge lamps
NL165880C (nl) * 1975-02-21 1981-05-15 Philips Nv Naleveringskathode.
DE2519377A1 (de) * 1975-04-30 1976-11-11 Patra Patent Treuhand Quecksilberdampf-hochdruckentladungslampe
NL175771B (nl) * 1975-06-20 1984-07-16 Philips Nv Hogedrukgasontladingslamp en een werkwijze voor de vervaardiging hiervan.
NL7711134A (nl) * 1976-10-19 1978-04-21 Gen Electric Co Ltd Elektrische hoge druk ontladingslamp.
GB2079036A (en) * 1980-06-20 1982-01-13 Gen Electric Electron emitting coating in metal halide arc lamp
DE3427280C2 (de) * 1984-07-24 1986-06-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Metallhalogenid-Hochdruckentladungslampe
JP3201278B2 (ja) * 1996-08-28 2001-08-20 ウシオ電機株式会社 メタルハライドランプ
DE102009009890A1 (de) * 2009-02-20 2010-08-26 Osram Gesellschaft mit beschränkter Haftung Hochdruckentladungslampe
US8134290B2 (en) 2009-04-30 2012-03-13 Scientific Instrument Services, Inc. Emission filaments made from a rhenium alloy and method of manufacturing thereof
DE102010038537A1 (de) * 2010-07-28 2012-02-02 Osram Ag Hochdruckentladungslampe

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2765420A (en) * 1954-07-12 1956-10-02 Gen Electric Lamp electrode
US3014156A (en) * 1958-03-01 1961-12-19 Osterhammel Kurt Arrangement for irradiation with ultraviolet rays
US3188236A (en) * 1959-12-17 1965-06-08 Gen Electric Cathodes and method of manufacture
NL6411355A (de) * 1964-09-30 1966-03-31
US3405303A (en) * 1964-12-29 1968-10-08 Sylvania Electric Prod Arc discharge tube having an electrode which contains a light-emitting metal
US3334261A (en) * 1965-10-24 1967-08-01 Sylvania Electric Prod High pressure discharge device having a fill including iodine mercury and at least one rare earth metal
US3452238A (en) * 1966-12-05 1969-06-24 Westinghouse Electric Corp Metal vapor discharge lamp
US3445719A (en) * 1967-05-31 1969-05-20 Duro Test Corp Metal vapor lamp with metal additive for improved color rendition and internal self-ballasting filament used to heat arc tube

Also Published As

Publication number Publication date
DE1911985B2 (de) 1980-04-03
FR2003641A1 (de) 1969-11-14
US3530327A (en) 1970-09-22
BE729722A (de) 1969-08-18
DE1911985A1 (de) 1969-10-16
NL6903692A (de) 1969-09-15
DE1911985C3 (de) 1980-12-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee