FR715301A - Incandescent cathode tube - Google Patents

Incandescent cathode tube

Info

Publication number
FR715301A
FR715301A FR715301DA FR715301A FR 715301 A FR715301 A FR 715301A FR 715301D A FR715301D A FR 715301DA FR 715301 A FR715301 A FR 715301A
Authority
FR
France
Prior art keywords
cathode tube
incandescent cathode
incandescent
tube
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)
Inventor
Edmund Joseph Claude Dixon
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 FR715301A publication Critical patent/FR715301A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/20—Tubes with more than one discharge path; Multiple tubes, e.g. double diode, triode-hexode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/003—Tubes with plural electrode systems
FR715301D 1930-04-12 1931-04-13 Incandescent cathode tube Expired FR715301A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB715301X 1930-04-12

Publications (1)

Publication Number Publication Date
FR715301A true FR715301A (en) 1931-12-01

Family

ID=10494590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR715301D Expired FR715301A (en) 1930-04-12 1931-04-13 Incandescent cathode tube

Country Status (1)

Country Link
FR (1) FR715301A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745330C (en) * 1937-06-26 1944-03-02 Siemens Ag Screen lattice tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745330C (en) * 1937-06-26 1944-03-02 Siemens Ag Screen lattice tubes

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