GB1257476A - - Google Patents

Info

Publication number
GB1257476A
GB1257476A GB1257476DA GB1257476A GB 1257476 A GB1257476 A GB 1257476A GB 1257476D A GB1257476D A GB 1257476DA GB 1257476 A GB1257476 A GB 1257476A
Authority
GB
United Kingdom
Prior art keywords
lamp
coating
dec
electric
filament
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 GB1257476A publication Critical patent/GB1257476A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/08—Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Surface Treatment Of Glass (AREA)
GB1257476D 1967-12-07 1968-12-04 Expired GB1257476A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68882167A 1967-12-07 1967-12-07

Publications (1)

Publication Number Publication Date
GB1257476A true GB1257476A (enrdf_load_stackoverflow) 1971-12-22

Family

ID=24765928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1257476D Expired GB1257476A (enrdf_load_stackoverflow) 1967-12-07 1968-12-04

Country Status (2)

Country Link
US (1) US3536946A (enrdf_load_stackoverflow)
GB (1) GB1257476A (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4810585B1 (enrdf_load_stackoverflow) * 1968-06-29 1973-04-04
GB1391704A (en) * 1972-04-14 1975-04-23 Thorn Electrical Ind Ltd Lamp pinch seals
US3851200A (en) * 1972-12-11 1974-11-26 Gen Electric Heat and light reflective coating on quartz lamp
US3983513A (en) * 1973-10-18 1976-09-28 Westinghouse Electric Corporation Incandescent lamp having a halogen-containing atmosphere and an integral reflector of non-reactive specular metal
US3932780A (en) * 1974-03-20 1976-01-13 Westinghouse Electric Corporation Electric lamp having an envelope with a specular light-reflective coating of oriented aluminum particles
GB8320639D0 (en) * 1983-07-30 1983-09-01 Emi Plc Thorn Incandescent lamps
US5075828A (en) * 1986-05-19 1991-12-24 Musco Corporation Glare control lamp and reflector assembly and method for glare control
US4816974A (en) * 1986-05-19 1989-03-28 Mycro Group Co. Glare control lamp and reflector assembly and method for glare control
US5211473A (en) * 1984-12-31 1993-05-18 Musco Corporation Glare control lamp and reflector assembly and method for glare control
US4947303A (en) * 1986-05-19 1990-08-07 Musco Corporation Glare control lamp and reflector assembly and method for glare control
US5016150A (en) * 1989-10-19 1991-05-14 Musco Corporation Means and method for increasing output, efficiency, and flexibility of use of an arc lamp
US5161883A (en) * 1989-10-19 1992-11-10 Musco Corporation Means and method for increasing output, efficiency, and flexibility of use of an arc lamp
US5134557A (en) * 1989-10-19 1992-07-28 Musco Corporation Means and method for increasing output, efficiency, and flexibility of use of an arc lamp
JP2002134430A (ja) * 2000-10-24 2002-05-10 Tokyo Electron Ltd 指向性を高める高反射率の膜を有するランプ及び熱処理装置
CN101006546A (zh) * 2004-08-26 2007-07-25 皇家飞利浦电子股份有限公司 具有反射涂层的灯

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2144438A (en) * 1937-10-06 1939-01-17 Birdseye Electric Company Tubular incandescent electric lamp
US2568459A (en) * 1948-10-29 1951-09-18 Gen Electric Electric discharge device
NL82205C (enrdf_load_stackoverflow) * 1953-02-05
US2806968A (en) * 1953-12-03 1957-09-17 Westinghouse Electric Corp Color-corrected light source and phosphor mixture therefor
US3325662A (en) * 1963-09-19 1967-06-13 Gen Electric Metal vapor lamp having a heat reflecting coating of calcium pyrophosphate

Also Published As

Publication number Publication date
US3536946A (en) 1970-10-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees