FR774609A - Improvements to electrodes, their execution and applications - Google Patents

Improvements to electrodes, their execution and applications

Info

Publication number
FR774609A
FR774609A FR774609DA FR774609A FR 774609 A FR774609 A FR 774609A FR 774609D A FR774609D A FR 774609DA FR 774609 A FR774609 A FR 774609A
Authority
FR
France
Prior art keywords
electrodes
execution
applications
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
Jean-Baptiste Joseph Ma Abadie
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 FR774609A publication Critical patent/FR774609A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
FR774609D 1933-10-17 1933-08-26 Improvements to electrodes, their execution and applications Expired FR774609A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR44458T 1933-10-17

Publications (1)

Publication Number Publication Date
FR774609A true FR774609A (en) 1934-12-10

Family

ID=8680288

Family Applications (2)

Application Number Title Priority Date Filing Date
FR774609D Expired FR774609A (en) 1933-10-17 1933-08-26 Improvements to electrodes, their execution and applications
FR44458D Expired FR44458E (en) 1933-10-17 1933-10-17 Improvements to electrodes, their execution and applications

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR44458D Expired FR44458E (en) 1933-10-17 1933-10-17 Improvements to electrodes, their execution and applications

Country Status (2)

Country Link
FR (2) FR774609A (en)
GB (1) GB441787A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965856C (en) * 1952-09-17 1957-06-27 Licentia Gmbh Incandescent cathode tubes with steam or gas filling and oxide cathode
US6356019B1 (en) * 1999-06-22 2002-03-12 Osram Sylvania Inc. Fluorescent lamp and methods for making electrode assemblies for fluorescent lamps

Also Published As

Publication number Publication date
GB441787A (en) 1936-01-27
FR44458E (en) 1935-02-02

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