GB615940A - Improvements in or relating to electric high-pressure discharge tubes - Google Patents

Improvements in or relating to electric high-pressure discharge tubes

Info

Publication number
GB615940A
GB615940A GB22928/46A GB2292846A GB615940A GB 615940 A GB615940 A GB 615940A GB 22928/46 A GB22928/46 A GB 22928/46A GB 2292846 A GB2292846 A GB 2292846A GB 615940 A GB615940 A GB 615940A
Authority
GB
United Kingdom
Prior art keywords
pressure discharge
electric high
relating
discharge tubes
inner tube
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
GB22928/46A
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken NV
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 Philips Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB615940A publication Critical patent/GB615940A/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
    • H01J61/045—Thermic screens or reflectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB22928/46A 1942-10-31 1946-08-01 Improvements in or relating to electric high-pressure discharge tubes Expired GB615940A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL243222X 1942-10-31

Publications (1)

Publication Number Publication Date
GB615940A true GB615940A (en) 1949-01-13

Family

ID=19780706

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22928/46A Expired GB615940A (en) 1942-10-31 1946-08-01 Improvements in or relating to electric high-pressure discharge tubes

Country Status (6)

Country Link
BE (1) BE452922A (OSRAM)
CH (1) CH243222A (OSRAM)
DE (1) DE842689C (OSRAM)
FR (1) FR899311A (OSRAM)
GB (1) GB615940A (OSRAM)
NL (1) NL65485C (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0366187A1 (en) * 1988-10-24 1990-05-02 Koninklijke Philips Electronics N.V. High-pressure discharge lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0366187A1 (en) * 1988-10-24 1990-05-02 Koninklijke Philips Electronics N.V. High-pressure discharge lamp
US5162693A (en) * 1988-10-24 1992-11-10 U.S. Philips Corporation High-pressure discharge lamp

Also Published As

Publication number Publication date
DE842689C (de) 1952-06-30
FR899311A (fr) 1945-05-28
BE452922A (OSRAM)
CH243222A (de) 1946-06-30
NL65485C (OSRAM)

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