FR816108A - Improvement in electric discharge tubes and in particular luminescent tubes - Google Patents

Improvement in electric discharge tubes and in particular luminescent tubes

Info

Publication number
FR816108A
FR816108A FR816108DA FR816108A FR 816108 A FR816108 A FR 816108A FR 816108D A FR816108D A FR 816108DA FR 816108 A FR816108 A FR 816108A
Authority
FR
France
Prior art keywords
tubes
improvement
electric discharge
particular luminescent
discharge tubes
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
Manufactures des Glaces et Produits Chimiques de Saint Gobain SA
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 Compagnie de Saint Gobain SA, Manufactures des Glaces et Produits Chimiques de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Application granted granted Critical
Publication of FR816108A publication Critical patent/FR816108A/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
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
    • H01J61/44—Devices characterised by the luminescent material
FR816108D 1936-04-08 1936-04-08 Improvement in electric discharge tubes and in particular luminescent tubes Expired FR816108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR816108T 1936-04-08

Publications (1)

Publication Number Publication Date
FR816108A true FR816108A (en) 1937-07-30

Family

ID=9267638

Family Applications (1)

Application Number Title Priority Date Filing Date
FR816108D Expired FR816108A (en) 1936-04-08 1936-04-08 Improvement in electric discharge tubes and in particular luminescent tubes

Country Status (1)

Country Link
FR (1) FR816108A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1046772B (en) * 1953-04-22 1958-12-18 Patra Patent Treuhand Tube-shaped electric lamp for operation in potentially explosive areas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1046772B (en) * 1953-04-22 1958-12-18 Patra Patent Treuhand Tube-shaped electric lamp for operation in potentially explosive areas

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