FR635098A - Electronic insulated grid lamp - Google Patents

Electronic insulated grid lamp

Info

Publication number
FR635098A
FR635098A FR635098DA FR635098A FR 635098 A FR635098 A FR 635098A FR 635098D A FR635098D A FR 635098DA FR 635098 A FR635098 A FR 635098A
Authority
FR
France
Prior art keywords
grid lamp
insulated grid
electronic insulated
electronic
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
Leon-Polite Gratien
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 FR635098A publication Critical patent/FR635098A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28Non-electron-emitting electrodes; Screens
    • H01J19/30Non-electron-emitting electrodes; Screens characterised by the material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0001Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012Constructional arrangements
    • H01J2893/0019Chemical composition and manufacture
    • H01J2893/002Chemical composition and manufacture chemical
FR635098D 1927-05-28 1927-05-28 Electronic insulated grid lamp Expired FR635098A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR635098T 1927-05-28

Publications (1)

Publication Number Publication Date
FR635098A true FR635098A (en) 1928-03-07

Family

ID=8994055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR635098D Expired FR635098A (en) 1927-05-28 1927-05-28 Electronic insulated grid lamp

Country Status (1)

Country Link
FR (1) FR635098A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515945A (en) * 1945-08-17 1950-07-18 Jr Abraham Binneweg Metal radio tube
US2677070A (en) * 1950-05-04 1954-04-27 William C Milligan Coated grid tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515945A (en) * 1945-08-17 1950-07-18 Jr Abraham Binneweg Metal radio tube
US2677070A (en) * 1950-05-04 1954-04-27 William C Milligan Coated grid tube

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