FR780928A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR780928A
FR780928A FR780928DA FR780928A FR 780928 A FR780928 A FR 780928A FR 780928D A FR780928D A FR 780928DA FR 780928 A FR780928 A FR 780928A
Authority
FR
France
Prior art keywords
electric discharge
discharge tube
tube
electric
discharge
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
French (fr)
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
Application granted granted Critical
Publication of FR780928A publication Critical patent/FR780928A/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
    • H01J61/523—Heating or cooling particular parts of the lamp
FR780928D 1933-11-09 1934-11-07 Electric discharge tube Expired FR780928A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL433671X 1933-11-09

Publications (1)

Publication Number Publication Date
FR780928A true FR780928A (en) 1935-05-06

Family

ID=19786175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780928D Expired FR780928A (en) 1933-11-09 1934-11-07 Electric discharge tube

Country Status (6)

Country Link
US (1) US2030445A (en)
BE (1) BE406110A (en)
DE (1) DE683436C (en)
FR (1) FR780928A (en)
GB (1) GB433671A (en)
NL (1) NL41239C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232360A (en) * 1978-01-11 1980-11-04 General Electric Company Heat recovery high intensity discharge lamp constructions

Also Published As

Publication number Publication date
DE683436C (en) 1939-11-06
BE406110A (en)
US2030445A (en) 1936-02-11
GB433671A (en) 1935-08-19
NL41239C (en)

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