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GB552597A - Improvements in or relating to devices comprising electric gaseous discharge tubes - Google Patents

Improvements in or relating to devices comprising electric gaseous discharge tubes

Info

Publication number
GB552597A
GB552597A GB15246/41A GB1524641A GB552597A GB 552597 A GB552597 A GB 552597A GB 15246/41 A GB15246/41 A GB 15246/41A GB 1524641 A GB1524641 A GB 1524641A GB 552597 A GB552597 A GB 552597A
Authority
GB
United Kingdom
Prior art keywords
relating
devices
discharge tubes
gaseous discharge
electric gaseous
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
GB15246/41A
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.)
Koninklijke Philips NV
Original Assignee
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB552597A publication Critical patent/GB552597A/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
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)
  • Discharge Lamp (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

552,597. Discharge apparatus. PHILIPS LAMPS, Ltd., (Naamlooze Vennootschap Philips' Gloeilampehfabrieken). Nov. 26, 1941, No. 15246. Drawings to Specification. [Class 39 (i)] The subject-matter of this Specification is identical with that of Specification 599,510.
GB15246/41A 1940-08-14 1941-11-26 Improvements in or relating to devices comprising electric gaseous discharge tubes Expired GB552597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL219513X 1940-08-14

Publications (1)

Publication Number Publication Date
GB552597A true GB552597A (en) 1943-04-15

Family

ID=19779269

Family Applications (2)

Application Number Title Priority Date Filing Date
GB15246/41A Expired GB552597A (en) 1940-08-14 1941-11-26 Improvements in or relating to devices comprising electric gaseous discharge tubes
GB24901/45A Expired GB599510A (en) 1940-08-14 1945-09-25 Improvements in or relating to devices comprising an electric gaseous discharge tube

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB24901/45A Expired GB599510A (en) 1940-08-14 1945-09-25 Improvements in or relating to devices comprising an electric gaseous discharge tube

Country Status (6)

Country Link
BE (1) BE442487A (en)
CH (1) CH219513A (en)
DE (1) DE758671C (en)
FR (1) FR876160A (en)
GB (2) GB552597A (en)
NL (1) NL58325C (en)

Also Published As

Publication number Publication date
GB599510A (en) 1948-03-15
BE442487A (en)
DE758671C (en) 1953-09-14
FR876160A (en) 1942-10-29
CH219513A (en) 1942-02-15
NL58325C (en)

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