FR474157A - Installation d'éclairage à tubes à vide - Google Patents

Installation d'éclairage à tubes à vide

Info

Publication number
FR474157A
FR474157A FR474157DA FR474157A FR 474157 A FR474157 A FR 474157A FR 474157D A FR474157D A FR 474157DA FR 474157 A FR474157 A FR 474157A
Authority
FR
France
Prior art keywords
vacuum tube
lighting installation
tube lighting
installation
vacuum
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
English (en)
French (fr)
Inventor
Fritz Meyer
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
Application granted granted Critical
Publication of FR474157A publication Critical patent/FR474157A/fr
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
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp
FR474157D 1913-06-28 1914-06-26 Installation d'éclairage à tubes à vide Expired FR474157A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE280504T 1913-06-28

Publications (1)

Publication Number Publication Date
FR474157A true FR474157A (fr) 1915-02-10

Family

ID=32523719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR474157D Expired FR474157A (fr) 1913-06-28 1914-06-26 Installation d'éclairage à tubes à vide

Country Status (3)

Country Link
DE (1) DE280504C (enrdf_load_stackoverflow)
FR (1) FR474157A (enrdf_load_stackoverflow)
GB (1) GB191415399A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE280504C (enrdf_load_stackoverflow)
GB191415399A (en) 1914-11-05

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