FR51918E - Improvements to discharge tubes - Google Patents

Improvements to discharge tubes

Info

Publication number
FR51918E
FR51918E FR51918DA FR51918E FR 51918 E FR51918 E FR 51918E FR 51918D A FR51918D A FR 51918DA FR 51918 E FR51918 E FR 51918E
Authority
FR
France
Prior art keywords
discharge tubes
tubes
discharge
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR51918E publication Critical patent/FR51918E/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
    • H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
    • 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)
  • Vessels And Coating Films For Discharge Lamps (AREA)
FR51918D 1938-08-26 1942-01-15 Improvements to discharge tubes Expired FR51918E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US533451XA 1938-08-26 1938-08-26

Publications (1)

Publication Number Publication Date
FR51918E true FR51918E (en) 1943-05-24

Family

ID=21983555

Family Applications (2)

Application Number Title Priority Date Filing Date
FR859109D Expired FR859109A (en) 1938-08-26 1939-08-17 Improvements to discharge tubes
FR51918D Expired FR51918E (en) 1938-08-26 1942-01-15 Improvements to discharge tubes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR859109D Expired FR859109A (en) 1938-08-26 1939-08-17 Improvements to discharge tubes

Country Status (4)

Country Link
DE (1) DE731254C (en)
FR (2) FR859109A (en)
GB (2) GB533451A (en)
NL (1) NL57005C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101313383B (en) 2005-11-22 2012-06-13 特洛伊科技有限公司 Radiation lamp and radiation source module incorporating same

Also Published As

Publication number Publication date
GB533451A (en) 1941-02-13
FR859109A (en) 1940-12-11
NL57005C (en)
GB553184A (en) 1943-05-11
DE731254C (en) 1943-02-04

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