FR525377A - Appareil émetteur d'électrons - Google Patents

Appareil émetteur d'électrons

Info

Publication number
FR525377A
FR525377A FR525377A FR525377DA FR525377A FR 525377 A FR525377 A FR 525377A FR 525377 A FR525377 A FR 525377A FR 525377D A FR525377D A FR 525377DA FR 525377 A FR525377 A FR 525377A
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
FR525377A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR525377A publication Critical patent/FR525377A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B7/00—Generation of oscillations using active element having a negative resistance between two of its electrodes
    • H03B7/02—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance
    • H03B7/04—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance active element being vacuum tube
    • 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
    • H01J19/02—Electron-emitting electrodes; Cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
    • 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
FR525377A 1916-06-05 1919-04-12 Appareil émetteur d'électrons Expired FR525377A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US147150XA 1916-06-05 1916-06-05

Publications (1)

Publication Number Publication Date
FR525377A true FR525377A (fr) 1921-09-21

Family

ID=21767231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR525377A Expired FR525377A (fr) 1916-06-05 1919-04-12 Appareil émetteur d'électrons

Country Status (3)

Country Link
FR (1) FR525377A (fr)
GB (1) GB147150A (fr)
NL (1) NL11694C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4587463A (en) * 1983-09-22 1986-05-06 Isco, Inc. Absorbance monitor

Also Published As

Publication number Publication date
NL11694C (fr) 1924-10-15
GB147150A (en) 1921-10-07

Similar Documents

Publication Publication Date Title
FR525377A (fr) Appareil émetteur d'électrons
CH75419A (de) Entlüftungseinrichtung
CH74683A (fr) Appareil de mécano-thérapie
FR505059A (fr) Appareil de publicité
FR484440A (fr) Appareil électro-thérapeutique
FR484521A (fr) Appareil orthopédique
FR525835A (fr) Appareil photographique
FR513020A (fr) Appareil stérilisateur
CH77260A (fr) Appareilage d'orientation
FR474138A (fr) Appareil électro-médical
FR430884A (fr) Mèche torse
FR491838A (fr) Appareil d'aviation
FR20841E (fr) Appareil d'aviation
FR518437A (fr) Appareil d'arpentage
FR20390E (fr) Appareil orthopédique
FI6298A (fi) Tändanordning "Ekonomi"
FI6343A (fi) Förgasningsbrännare benämnd "Låga"
FI6373A (fi) Dropp-propp "Ekonom"
FI6375A (fi) Kassablock "Covless"
FI6376A (fi) Kombinerad vil - och liggstol "Komfort"
FI6319A (fi) Slamfärgsblandning "Ekonom"
FI6315A (fi) Proppslastnings- och landlyftningsmaskin benämnd "Finnikari"
FI6302A (fi) Stekanordning benämnd "Marthas-stekapparat"
FI6242A (fi) Slätharv benämnd "Tangentharv"
FI6435A (fi) Skrivmaskinsbord "Merkur"