GB744184A - Improvements in or relating to low pressure gas or vapour-filled positive column electric discharge lamps - Google Patents

Improvements in or relating to low pressure gas or vapour-filled positive column electric discharge lamps

Info

Publication number
GB744184A
GB744184A GB1559053A GB1559053A GB744184A GB 744184 A GB744184 A GB 744184A GB 1559053 A GB1559053 A GB 1559053A GB 1559053 A GB1559053 A GB 1559053A GB 744184 A GB744184 A GB 744184A
Authority
GB
United Kingdom
Prior art keywords
discharge lamps
vapour
relating
low pressure
pressure gas
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
GB1559053A
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB1559053A priority Critical patent/GB744184A/en
Publication of GB744184A publication Critical patent/GB744184A/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
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

744,184. Discharge lamps. GENERAL ELECTRIC CO., Ltd., and PEACH, D. C. May 26, 1954 [June 5, 1953], No. 15590,53. Class 39 (1). The support conductors 7 of the cathode filament 2 are formed wholly or partly as strip so as to give a greater area of anodic impact. The conductors may be pinched around the filament ends somewhere along their length and the free ends 8 bent out laterally. The whole conductor may be of strips or an initially circular conductor may be flattened by rolling over part of its length.
GB1559053A 1953-06-05 1953-06-05 Improvements in or relating to low pressure gas or vapour-filled positive column electric discharge lamps Expired GB744184A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1559053A GB744184A (en) 1953-06-05 1953-06-05 Improvements in or relating to low pressure gas or vapour-filled positive column electric discharge lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1559053A GB744184A (en) 1953-06-05 1953-06-05 Improvements in or relating to low pressure gas or vapour-filled positive column electric discharge lamps

Publications (1)

Publication Number Publication Date
GB744184A true GB744184A (en) 1956-02-01

Family

ID=10061852

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1559053A Expired GB744184A (en) 1953-06-05 1953-06-05 Improvements in or relating to low pressure gas or vapour-filled positive column electric discharge lamps

Country Status (1)

Country Link
GB (1) GB744184A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004049389A2 (en) * 2002-11-25 2004-06-10 Philips Intellectual Property & Standards Gmbh Crevice-less end closure member comprising a feed-through

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004049389A2 (en) * 2002-11-25 2004-06-10 Philips Intellectual Property & Standards Gmbh Crevice-less end closure member comprising a feed-through
WO2004049389A3 (en) * 2002-11-25 2004-08-19 Philips Intellectual Property Crevice-less end closure member comprising a feed-through
US7247990B2 (en) 2002-11-25 2007-07-24 Koninklijke Philips Electronics, N.V. Crevice-less end closure member comprising a feed-through
CN100375224C (en) * 2002-11-25 2008-03-12 皇家飞利浦电子股份有限公司 Crevice-less end closure member comprising a feed-through

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