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FR618030A - Perfectionnement aux lampes de t. s. f. - Google Patents

Perfectionnement aux lampes de t. s. f.

Info

Publication number
FR618030A
FR618030A FR618030DA FR618030A FR 618030 A FR618030 A FR 618030A FR 618030D A FR618030D A FR 618030DA FR 618030 A FR618030 A FR 618030A
Authority
FR
France
Prior art keywords
lamps
further training
training
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)
Inventor
Charles Tourne
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 FR618030A publication Critical patent/FR618030A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/18—Supports; Vibration-damping arrangements
FR618030D 1926-06-22 1926-06-22 Perfectionnement aux lampes de t. s. f. Expired FR618030A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR618030T 1926-06-22

Publications (1)

Publication Number Publication Date
FR618030A true FR618030A (fr) 1927-03-02

Family

ID=8982708

Family Applications (1)

Application Number Title Priority Date Filing Date
FR618030D Expired FR618030A (fr) 1926-06-22 1926-06-22 Perfectionnement aux lampes de t. s. f.

Country Status (2)

Country Link
FR (1) FR618030A (fr)
GB (1) GB273293A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2495618A (en) * 1947-05-16 1950-01-24 M O Valve Co Ltd Electrode structure for space discharge tubes

Also Published As

Publication number Publication date
GB273293A (en) 1927-08-18

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