FR670918A - Removable lamp with several electrodes, very high power for t. s. f. - Google Patents

Removable lamp with several electrodes, very high power for t. s. f.

Info

Publication number
FR670918A
FR670918A FR670918DA FR670918A FR 670918 A FR670918 A FR 670918A FR 670918D A FR670918D A FR 670918DA FR 670918 A FR670918 A FR 670918A
Authority
FR
France
Prior art keywords
high power
several electrodes
removable lamp
removable
lamp
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)
Inventor
Lucien Levy
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 filed Critical
Application granted granted Critical
Publication of FR670918A publication Critical patent/FR670918A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/20—Seals between parts of vessels
    • H01J5/22—Vacuum-tight joints between parts of vessel
    • H01J5/30—Vacuum-tight joints between parts of vessel using packing-material, e.g. sealing-liquid or elastic insert
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0047—Closure other than lamp base
FR670918D 1928-07-02 1928-07-02 Removable lamp with several electrodes, very high power for t. s. f. Expired FR670918A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR670918T 1928-07-02

Publications (1)

Publication Number Publication Date
FR670918A true FR670918A (en) 1929-12-06

Family

ID=9016658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR670918D Expired FR670918A (en) 1928-07-02 1928-07-02 Removable lamp with several electrodes, very high power for t. s. f.

Country Status (1)

Country Link
FR (1) FR670918A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422819A (en) * 1944-08-15 1947-06-24 Eitel Mccullough Inc External anode electron tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422819A (en) * 1944-08-15 1947-06-24 Eitel Mccullough Inc External anode electron tube

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