FR445728A - Method and apparatus for increasing the life, uniformity and economy of incandescent cathode discharge tubes - Google Patents

Method and apparatus for increasing the life, uniformity and economy of incandescent cathode discharge tubes

Info

Publication number
FR445728A
FR445728A FR445728A FR445728DA FR445728A FR 445728 A FR445728 A FR 445728A FR 445728 A FR445728 A FR 445728A FR 445728D A FR445728D A FR 445728DA FR 445728 A FR445728 A FR 445728A
Authority
FR
France
Prior art keywords
economy
uniformity
life
increasing
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
FR445728A
Other languages
French (fr)
Inventor
Robert Von Lieben
Eugen Reisz
Siegmund Strauss
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 FR445728A publication Critical patent/FR445728A/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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
FR445728A 1911-07-07 1912-07-03 Method and apparatus for increasing the life, uniformity and economy of incandescent cathode discharge tubes Expired FR445728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT54343T 1911-07-07

Publications (1)

Publication Number Publication Date
FR445728A true FR445728A (en) 1912-11-18

Family

ID=3575751

Family Applications (1)

Application Number Title Priority Date Filing Date
FR445728A Expired FR445728A (en) 1911-07-07 1912-07-03 Method and apparatus for increasing the life, uniformity and economy of incandescent cathode discharge tubes

Country Status (6)

Country Link
AT (1) AT54343B (en)
AU (1) AU557212B (en)
DE (1) DE254588C (en)
FR (1) FR445728A (en)
GB (1) GB191215975A (en)
NL (1) NL680C (en)

Also Published As

Publication number Publication date
AU557212B (en) 1913-10-21
DE254588C (en) 1912-12-09
GB191215975A (en) 1913-03-13
NL680C (en) 1913-09-01
AT54343B (en) 1912-07-10

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