FR582006A - Discharge tubes having an incandescent cathode an anode and one or more grid-shaped electrodes - Google Patents

Discharge tubes having an incandescent cathode an anode and one or more grid-shaped electrodes

Info

Publication number
FR582006A
FR582006A FR582006DA FR582006A FR 582006 A FR582006 A FR 582006A FR 582006D A FR582006D A FR 582006DA FR 582006 A FR582006 A FR 582006A
Authority
FR
France
Prior art keywords
anode
grid
shaped electrodes
discharge tubes
incandescent cathode
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 FR582006A publication Critical patent/FR582006A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
FR582006D 1923-06-02 1924-05-27 Discharge tubes having an incandescent cathode an anode and one or more grid-shaped electrodes Expired FR582006A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL221231X 1923-06-02

Publications (1)

Publication Number Publication Date
FR582006A true FR582006A (en) 1924-12-10

Family

ID=19779371

Family Applications (1)

Application Number Title Priority Date Filing Date
FR582006D Expired FR582006A (en) 1923-06-02 1924-05-27 Discharge tubes having an incandescent cathode an anode and one or more grid-shaped electrodes

Country Status (4)

Country Link
DE (1) DE446210C (en)
FR (1) FR582006A (en)
GB (1) GB221231A (en)
NL (1) NL18217C (en)

Also Published As

Publication number Publication date
DE446210C (en) 1927-06-25
NL18217C (en)
GB221231A (en) 1925-04-30

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