NL95838C - - Google Patents

Info

Publication number
NL95838C
NL95838C NL95838DA NL95838C NL 95838 C NL95838 C NL 95838C NL 95838D A NL95838D A NL 95838DA NL 95838 C NL95838 C NL 95838C
Authority
NL
Netherlands
Application number
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.)
Publication of NL95838C publication Critical patent/NL95838C/xx

Links

Classifications

    • 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
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
NL95838D 1952-04-24 NL95838C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU323452X 1952-04-24

Publications (1)

Publication Number Publication Date
NL95838C true NL95838C (en)

Family

ID=10978777

Family Applications (1)

Application Number Title Priority Date Filing Date
NL95838D NL95838C (en) 1952-04-24

Country Status (3)

Country Link
CH (1) CH323452A (en)
DE (1) DE1021482B (en)
NL (1) NL95838C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5847498A (en) * 1994-12-23 1998-12-08 Philips Electronics North America Corporation Multiple layer composite electrodes for discharge lamps
DE19957420A1 (en) 1999-11-29 2001-05-31 Philips Corp Intellectual Pty Gas discharge lamp with an oxide emitter electrode

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB182817A (en) * 1921-07-11 1923-08-09 Drahtlose Telegraphie Gmbh Improvements in the cathodes of electric discharge tubes
DE597580C (en) * 1928-05-01 1934-05-26 Osram G M B H Komm Ges Electric light or ultraviolet radiation tubes
DE540618C (en) * 1928-06-09 1932-04-26 Telefunken Gmbh Process for the production of glow cathodes
DE696506C (en) * 1930-12-07 1940-09-23 Osram G M B H Komm Ges Electric high pressure discharge tubes for lighting addition of a vaporizable metal
DE860384C (en) * 1943-12-16 1952-12-22 Patra Patent Treuhand Incandescent electrode for electric gas discharge tubes, especially electric light tubes
BE482916A (en) * 1947-06-05
US2547869A (en) * 1947-10-31 1951-04-03 Sylvania Electric Prod Fluorescent lamp electrode

Also Published As

Publication number Publication date
CH323452A (en) 1957-07-31
DE1021482B (en) 1957-12-27

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