FR823368A - Improvements made to electric discharge tubes - Google Patents

Improvements made to electric discharge tubes

Info

Publication number
FR823368A
FR823368A FR823368DA FR823368A FR 823368 A FR823368 A FR 823368A FR 823368D A FR823368D A FR 823368DA FR 823368 A FR823368 A FR 823368A
Authority
FR
France
Prior art keywords
electric discharge
improvements made
discharge tubes
tubes
electric
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 FR823368A publication Critical patent/FR823368A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/32—Secondary-electron-emitting electrodes
FR823368D 1936-06-23 1937-06-22 Improvements made to electric discharge tubes Expired FR823368A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL477262X 1936-06-23

Publications (1)

Publication Number Publication Date
FR823368A true FR823368A (en) 1938-01-19

Family

ID=19786535

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823368D Expired FR823368A (en) 1936-06-23 1937-06-22 Improvements made to electric discharge tubes

Country Status (3)

Country Link
BE (1) BE422210A (en)
FR (1) FR823368A (en)
GB (1) GB477262A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE874176C (en) * 1939-03-25 1953-04-20 Sueddeutsche Telefon App Secondary electron multiplier with glow cathode
DE914418C (en) * 1939-02-19 1954-07-01 Fernseh Gmbh Discharge tubes with a secondary emitting insulating surface

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE914418C (en) * 1939-02-19 1954-07-01 Fernseh Gmbh Discharge tubes with a secondary emitting insulating surface
DE874176C (en) * 1939-03-25 1953-04-20 Sueddeutsche Telefon App Secondary electron multiplier with glow cathode

Also Published As

Publication number Publication date
BE422210A (en)
GB477262A (en) 1937-12-24

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