FR595204A - Incandescent cathodes for discharge tubes - Google Patents

Incandescent cathodes for discharge tubes

Info

Publication number
FR595204A
FR595204A FR595204DA FR595204A FR 595204 A FR595204 A FR 595204A FR 595204D A FR595204D A FR 595204DA FR 595204 A FR595204 A FR 595204A
Authority
FR
France
Prior art keywords
discharge tubes
incandescent cathodes
cathodes
incandescent
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
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR595204A publication Critical patent/FR595204A/en
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
FR595204D 1924-04-08 1925-03-16 Incandescent cathodes for discharge tubes Expired FR595204A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL232201X 1924-04-08

Publications (1)

Publication Number Publication Date
FR595204A true FR595204A (en) 1925-09-29

Family

ID=19780039

Family Applications (1)

Application Number Title Priority Date Filing Date
FR595204D Expired FR595204A (en) 1924-04-08 1925-03-16 Incandescent cathodes for discharge tubes

Country Status (4)

Country Link
US (1) US1852739A (en)
FR (1) FR595204A (en)
GB (1) GB232201A (en)
NL (1) NL16653C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2967971A (en) * 1957-08-14 1961-01-10 Hughes Aircraft Co Storage tube with improved flood gun
US3513348A (en) * 1967-12-07 1970-05-19 Machlett Lab Inc Filament structure having arc suppressing means

Also Published As

Publication number Publication date
GB232201A (en) 1925-12-31
NL16653C (en)
US1852739A (en) 1932-04-05

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