FR457608A - Method and device for producing and maintaining constant light coloring in vacuum illuminating tubes - Google Patents

Method and device for producing and maintaining constant light coloring in vacuum illuminating tubes

Info

Publication number
FR457608A
FR457608A FR457608DA FR457608A FR 457608 A FR457608 A FR 457608A FR 457608D A FR457608D A FR 457608DA FR 457608 A FR457608 A FR 457608A
Authority
FR
France
Prior art keywords
vacuum
producing
constant light
maintaining constant
light coloring
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.)
MOORE LICHT AG
Original Assignee
MOORE LICHT AG
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 MOORE LICHT AG filed Critical MOORE LICHT AG
Application granted granted Critical
Publication of FR457608A publication Critical patent/FR457608A/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
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
FR457608D 1912-04-13 1913-04-11 Method and device for producing and maintaining constant light coloring in vacuum illuminating tubes Expired FR457608A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE259951T 1912-04-13

Publications (1)

Publication Number Publication Date
FR457608A true FR457608A (en) 1913-09-22

Family

ID=32798599

Family Applications (1)

Application Number Title Priority Date Filing Date
FR457608D Expired FR457608A (en) 1912-04-13 1913-04-11 Method and device for producing and maintaining constant light coloring in vacuum illuminating tubes

Country Status (3)

Country Link
DE (1) DE259951C (en)
FR (1) FR457608A (en)
GB (1) GB191301218A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083241A2 (en) * 1981-12-26 1983-07-06 Mitsubishi Denki Kabushiki Kaisha A low pressure inert gas discharge lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083241A2 (en) * 1981-12-26 1983-07-06 Mitsubishi Denki Kabushiki Kaisha A low pressure inert gas discharge lamp
EP0083241A3 (en) * 1981-12-26 1984-01-11 Mitsubishi Denki Kabushiki Kaisha A low pressure inert gas discharge device

Also Published As

Publication number Publication date
DE259951C (en)
GB191301218A (en) 1914-01-15

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