FR714735A - Dispositif émetteur d'électrons - Google Patents

Dispositif émetteur d'électrons

Info

Publication number
FR714735A
FR714735A FR714735DA FR714735A FR 714735 A FR714735 A FR 714735A FR 714735D A FR714735D A FR 714735DA FR 714735 A FR714735 A FR 714735A
Authority
FR
France
Prior art keywords
emitting device
electron emitting
electron
emitting
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
English (en)
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.)
Westinghouse Lamp Co
Original Assignee
Westinghouse Lamp Co
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 Westinghouse Lamp Co filed Critical Westinghouse Lamp Co
Application granted granted Critical
Publication of FR714735A publication Critical patent/FR714735A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0013—Sealed electrodes
FR714735D 1930-04-05 1931-04-03 Dispositif émetteur d'électrons Expired FR714735A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US441997A US2042951A (en) 1930-04-05 1930-04-05 Electron discharge device

Publications (1)

Publication Number Publication Date
FR714735A true FR714735A (fr) 1931-11-19

Family

ID=23755125

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714735D Expired FR714735A (fr) 1930-04-05 1931-04-03 Dispositif émetteur d'électrons

Country Status (2)

Country Link
US (1) US2042951A (fr)
FR (1) FR714735A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE450216A (fr) * 1942-04-17
US2848636A (en) * 1954-02-15 1958-08-19 Penta Lab Inc Anode structure

Also Published As

Publication number Publication date
US2042951A (en) 1936-06-02

Similar Documents

Publication Publication Date Title
FR724508A (fr) Dispositif d'assemblage
FR711306A (fr) Dispositif d'éclairage
FR714735A (fr) Dispositif émetteur d'électrons
FR711946A (fr) Dispositif de pointage
FR689690A (fr) Dispositif d'éclairage
FR717124A (fr) Dispositif de publicité lumineuse
FR710308A (fr) Dispositif d'assemblage
FR716676A (fr) Dispositif d'assemblage
FR708543A (fr) Dispositif d'embrayage
FR720782A (fr) Dispositif d'écrou indesserrable
FR693611A (fr) Dispositif d'éclairage
FR692033A (fr) Dispositif d'arrosage
FR724103A (fr) Dispositif d'arrosage
FR724331A (fr) Dispositif démarreur-freineur
FR727649A (fr) Dispositif aéromoteur
FR691019A (fr) Dispositif d'assemblage
FR717693A (fr) Dispositif élévateur
FR695298A (fr) Dispositif de publicité
GR2939B (el) Διαφημιστικη συσκευη.
SE71096C1 (fr)
FR724686A (fr) Dispositif d'éclairage
FR701736A (fr) Contacteur-régulateur d'intensité
FR720743A (fr) Dispositif d'amortissement
FR701437A (fr) Dispositif antidérapant
FR724643A (fr) Dispositif d'allumage de tubes électriques luminescents