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FR663119A - Arc discharge tube - Google Patents

Arc discharge tube

Info

Publication number
FR663119A
FR663119A FR663119DA FR663119A FR 663119 A FR663119 A FR 663119A FR 663119D A FR663119D A FR 663119DA FR 663119 A FR663119 A FR 663119A
Authority
FR
France
Prior art keywords
discharge tube
arc discharge
arc
tube
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 FR663119A publication Critical patent/FR663119A/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
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
FR663119D 1927-11-30 1928-10-27 Arc discharge tube Expired FR663119A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL301455X 1927-11-30

Publications (1)

Publication Number Publication Date
FR663119A true FR663119A (en) 1929-08-16

Family

ID=19783301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR663119D Expired FR663119A (en) 1927-11-30 1928-10-27 Arc discharge tube

Country Status (4)

Country Link
US (1) US1910755A (en)
BE (1) BE355285A (en)
FR (1) FR663119A (en)
GB (1) GB301455A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2687471A (en) * 1948-05-01 1954-08-24 Western Union Telegraph Co Concentrated arc discharge device
US2884591A (en) * 1952-06-25 1959-04-28 Verne D Snyder High vacuum leak detector

Also Published As

Publication number Publication date
GB301455A (en) 1930-02-03
US1910755A (en) 1933-05-23
BE355285A (en)

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