FR782565A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR782565A
FR782565A FR782565DA FR782565A FR 782565 A FR782565 A FR 782565A FR 782565D A FR782565D A FR 782565DA FR 782565 A FR782565 A FR 782565A
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 FR782565A publication Critical patent/FR782565A/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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
FR782565D 1933-12-11 1934-12-10 Electric discharge tube Expired FR782565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE427293X 1933-12-11

Publications (1)

Publication Number Publication Date
FR782565A true FR782565A (en) 1935-06-07

Family

ID=6477297

Family Applications (1)

Application Number Title Priority Date Filing Date
FR782565D Expired FR782565A (en) 1933-12-11 1934-12-10 Electric discharge tube

Country Status (4)

Country Link
BE (1) BE406741A (en)
FR (1) FR782565A (en)
GB (1) GB427293A (en)
NL (1) NL40804C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE911871C (en) * 1937-03-19 1954-05-20 Tobis Tonbild Syndikat G M B H Discharge lamp with gas or vapor filling and side narrowing of the discharge path with screens, screens or similar means

Also Published As

Publication number Publication date
BE406741A (en)
GB427293A (en) 1935-04-18
NL40804C (en)

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