FR674565A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR674565A
FR674565A FR674565DA FR674565A FR 674565 A FR674565 A FR 674565A FR 674565D A FR674565D A FR 674565DA FR 674565 A FR674565 A FR 674565A
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 FR674565A publication Critical patent/FR674565A/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
FR674565D 1928-06-14 1929-05-03 Electric discharge tube Expired FR674565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL41677A NL24987C (en) 1928-06-14 1928-06-14

Publications (1)

Publication Number Publication Date
FR674565A true FR674565A (en) 1930-01-30

Family

ID=10145660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR674565D Expired FR674565A (en) 1928-06-14 1929-05-03 Electric discharge tube

Country Status (4)

Country Link
BE (1) BE360360A (en)
FR (1) FR674565A (en)
GB (1) GB321915A (en)
NL (1) NL24987C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822344A1 (en) * 1977-06-02 1978-12-07 Philips Nv GLIME DISCHARGE LAMP

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822344A1 (en) * 1977-06-02 1978-12-07 Philips Nv GLIME DISCHARGE LAMP

Also Published As

Publication number Publication date
NL24987C (en) 1931-10-15
BE360360A (en) 1929-06-29
GB321915A (en) 1929-11-13

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