FR493026A - Quartz mercury vapor lamp, operating on alternating current - Google Patents

Quartz mercury vapor lamp, operating on alternating current

Info

Publication number
FR493026A
FR493026A FR493026A FR493026DA FR493026A FR 493026 A FR493026 A FR 493026A FR 493026 A FR493026 A FR 493026A FR 493026D A FR493026D A FR 493026DA FR 493026 A FR493026 A FR 493026A
Authority
FR
France
Prior art keywords
operating
alternating current
mercury vapor
vapor lamp
quartz mercury
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
FR493026A
Other languages
French (fr)
Inventor
Henri George
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from US289330A external-priority patent/US1361710A/en
Application granted granted Critical
Publication of FR493026A publication Critical patent/FR493026A/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
FR493026A 1918-04-24 1918-04-24 Quartz mercury vapor lamp, operating on alternating current Expired FR493026A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR125944X 1918-04-24
US289330A US1361710A (en) 1919-04-11 1919-04-11 Quartz mercury-vapor lamp

Publications (1)

Publication Number Publication Date
FR493026A true FR493026A (en) 1919-07-29

Family

ID=32773897

Family Applications (1)

Application Number Title Priority Date Filing Date
FR493026A Expired FR493026A (en) 1918-04-24 1918-04-24 Quartz mercury vapor lamp, operating on alternating current

Country Status (2)

Country Link
FR (1) FR493026A (en)
GB (1) GB125944A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743171C (en) * 1931-05-14 1943-12-20 Patra Patent Treuhand Process for operating electric light tubes with glow electrodes which, in addition to a noble gas base filling, contain a metal vapor of sufficient pressure to generate light
DE754219C (en) * 1938-04-24 1954-03-15 Quarzlampen G M B H High-pressure metal vapor lamp, in particular high-pressure mercury lamp, with fixed, non-activated heating electrodes

Also Published As

Publication number Publication date
GB125944A (en) 1920-02-26

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