FR561533A - Perfectionnements aux soupapes thermioniques - Google Patents

Perfectionnements aux soupapes thermioniques

Info

Publication number
FR561533A
FR561533A FR561533DA FR561533A FR 561533 A FR561533 A FR 561533A FR 561533D A FR561533D A FR 561533DA FR 561533 A FR561533 A FR 561533A
Authority
FR
France
Prior art keywords
thermionic valves
thermionic
valves
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)
Inventor
Charles Vernon Morris
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 filed Critical
Application granted granted Critical
Publication of FR561533A publication Critical patent/FR561533A/fr
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
    • H01J1/13—Solid thermionic cathodes
    • H01J1/135—Circuit arrangements therefor, e.g. for temperature control
FR561533D 1922-11-20 1923-01-29 Perfectionnements aux soupapes thermioniques Expired FR561533A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3163422A GB201088A (en) 1922-11-20 1922-11-20 Improvements in and relating to thermionic valves

Publications (1)

Publication Number Publication Date
FR561533A true FR561533A (fr) 1923-10-23

Family

ID=10326090

Family Applications (1)

Application Number Title Priority Date Filing Date
FR561533D Expired FR561533A (fr) 1922-11-20 1923-01-29 Perfectionnements aux soupapes thermioniques

Country Status (2)

Country Link
FR (1) FR561533A (fr)
GB (1) GB201088A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3518602A (en) * 1968-05-29 1970-06-30 Joseph B Richey Lamp dimmer

Also Published As

Publication number Publication date
GB201088A (en) 1923-07-26

Similar Documents

Publication Publication Date Title
FR598354A (fr) Perfectionnements aux valves thermioniques
FR30524E (fr) Perfectionnements aux postes radio-récepteurs
FR561533A (fr) Perfectionnements aux soupapes thermioniques
FR26041E (fr) Perfectionnements aux robinets
FR562137A (fr) Perfectionnements aux soupapes de réglage
FR623310A (fr) Perfectionnements aux rodeurs-rectifieurs de soupapes
FR557042A (fr) Perfectionnements aux valves thermo-ioniques
FR585248A (fr) Perfectionnements aux valves thermioniques
FR542162A (fr) Valve thermionique
FR559842A (fr) Perfectionnements aux robinets-vannes
FR607341A (fr) Perfectionnements aux soupapes thermoioniques
FR596034A (fr) Perfectionnements aux soupapes thermoioniques
FR553298A (fr) Perfectionnements aux scènes de théâtres
FR565179A (fr) Perfectionnements apportés aux broyeurs-pulvérisateurs
FR563768A (fr) Perfectionnements aux radiateurs
FR585503A (fr) Perfectionnements aux soupapes
FR559707A (fr) Perfectionnements aux freins
FR557926A (fr) Perfectionnements aux pompes
FR553914A (fr) Perfectionnements apportés aux soupapes
FR543851A (fr) Perfectionnements aux soupapes thermioniques
FR562157A (fr) Perfectionnements apportés aux paragouttes
FR567905A (fr) Perfectionnements aux avions-bicyclettes
FR572200A (fr) Perfectionnements aux cinématographes
FR569316A (fr) Perfectionnements aux jalousies
FR30523E (fr) Perfectionnements aux postes radio-récepteurs