FR725479A - Gas discharge tube - Google Patents

Gas discharge tube

Info

Publication number
FR725479A
FR725479A FR725479DA FR725479A FR 725479 A FR725479 A FR 725479A FR 725479D A FR725479D A FR 725479DA FR 725479 A FR725479 A FR 725479A
Authority
FR
France
Prior art keywords
gas discharge
discharge tube
tube
gas
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR725479A publication Critical patent/FR725479A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/50—Thermionic-cathode tubes
    • H01J17/52—Thermionic-cathode tubes with one cathode and one anode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
FR725479D 1930-10-31 1931-10-30 Gas discharge tube Expired FR725479A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL377041X 1930-10-31

Publications (1)

Publication Number Publication Date
FR725479A true FR725479A (en) 1932-05-12

Family

ID=19785603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR725479D Expired FR725479A (en) 1930-10-31 1931-10-30 Gas discharge tube

Country Status (5)

Country Link
BE (1) BE383516A (en)
DE (1) DE626466C (en)
FR (1) FR725479A (en)
GB (1) GB377041A (en)
NL (1) NL36694C (en)

Cited By (1)

* 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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE443585A (en) * 1940-12-02
DE922475C (en) * 1942-06-16 1955-01-17 Philips Nv Electric gas discharge tubes

Cited By (1)

* 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

Also Published As

Publication number Publication date
NL36694C (en)
GB377041A (en) 1932-07-21
DE626466C (en) 1936-02-26
BE383516A (en)

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