GB1252829A - - Google Patents

Info

Publication number
GB1252829A
GB1252829A GB1252829DA GB1252829A GB 1252829 A GB1252829 A GB 1252829A GB 1252829D A GB1252829D A GB 1252829DA GB 1252829 A GB1252829 A GB 1252829A
Authority
GB
United Kingdom
Prior art keywords
providing
torr
filling
pressure
lamps
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 GB1252829A publication Critical patent/GB1252829A/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
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/22—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent vapour of an alkali metal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
GB1252829D 1968-08-16 1969-08-15 Expired GB1252829A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75314368A 1968-08-16 1968-08-16

Publications (1)

Publication Number Publication Date
GB1252829A true GB1252829A (ja) 1971-11-10

Family

ID=25029347

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1252829D Expired GB1252829A (ja) 1968-08-16 1969-08-15

Country Status (8)

Country Link
US (1) US3558963A (ja)
JP (1) JPS4915014B1 (ja)
BE (1) BE737098A (ja)
BR (1) BR6911235D0 (ja)
DE (1) DE1941519A1 (ja)
ES (1) ES370320A1 (ja)
FR (1) FR2016955A6 (ja)
GB (1) GB1252829A (ja)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948793A (en) * 1969-09-26 1976-04-06 Anderson Physics Laboratories, Inc. Ultra-pure metal halide particles
FR2102866A5 (ja) * 1970-08-27 1972-04-07 Eclairage Lab
US4023059A (en) * 1972-06-05 1977-05-10 Scott Anderson High pressure light emitting electric discharge device
US3882346A (en) * 1973-11-05 1975-05-06 Gen Electric Ceramic arc tube mounting structure
NL7315641A (nl) * 1973-11-15 1975-05-20 Philips Nv Hogedrukgasontladingslamp.
US3974410A (en) * 1975-04-04 1976-08-10 General Electric Company Alumina ceramic lamp having enhanced heat conduction to the amalgam pool
US4056752A (en) * 1976-07-01 1977-11-01 General Electric Company Ceramic lamp having tubular inlead containing yttrium-zirconium mixture
NL178108C (nl) * 1978-04-10 1986-10-16 Philips Nv Elektrische gasontladingslamp.
CA1214196A (en) * 1983-02-14 1986-11-18 Jack M. Strok Color rendition high pressure sodium arc tubes having an oxygen getter
US4859905A (en) * 1983-03-10 1989-08-22 Gte Products Corporation Unsaturated vapor high pressure sodium lamp getter mounting
JP2928813B2 (ja) * 1988-02-10 1999-08-03 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 不飽和高圧ナトリウムランプ
US5321335A (en) * 1992-08-03 1994-06-14 General Electric Company Alumina, calcia, yttria sealing composition
EP0704103B1 (en) * 1994-04-13 1998-01-07 Koninklijke Philips Electronics N.V. Metal halide lamp
TW347547B (en) * 1994-05-17 1998-12-11 Toshiba Light Technic Kk Discharge lamp and illumination apparatus using the same
WO1998045872A1 (en) * 1997-04-09 1998-10-15 Koninklijke Philips Electronics N.V. Metal halide lamp
US6362568B1 (en) * 1998-12-14 2002-03-26 Corning Incorporated Electrode assembly and discharge lamp comprising the same
US6469443B1 (en) 2001-03-20 2002-10-22 Federal-Mogul World-Wide, Inc. Cadmium-free amber automotive lamp
JP4723802B2 (ja) * 2003-09-02 2011-07-13 パナソニック株式会社 発光管、低圧水銀ランプ、照明装置、冶具及び発光管の製造方法
US8497633B2 (en) 2011-07-20 2013-07-30 General Electric Company Ceramic metal halide discharge lamp with oxygen content and metallic component

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350598A (en) * 1965-12-29 1967-10-31 Sylvania Electric Prod High pressure electric discharge device containing a fill of mercury, halogen and an alkali metal and barrier refractory oxide layers

Also Published As

Publication number Publication date
DE1941519A1 (de) 1970-09-17
FR2016955A6 (ja) 1970-05-15
ES370320A1 (es) 1971-08-01
BE737098A (ja) 1970-01-16
US3558963A (en) 1971-01-26
BR6911235D0 (pt) 1973-01-02
JPS4915014B1 (ja) 1974-04-11

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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