FR707651A - Perfectionnements aux tubes électroniques - Google Patents

Perfectionnements aux tubes électroniques

Info

Publication number
FR707651A
FR707651A FR707651DA FR707651A FR 707651 A FR707651 A FR 707651A FR 707651D A FR707651D A FR 707651DA FR 707651 A FR707651 A FR 707651A
Authority
FR
France
Prior art keywords
electronic tubes
tubes
electronic
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.)
Arcturus Radio Tube Co
Original Assignee
Arcturus Radio Tube 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 Arcturus Radio Tube Co filed Critical Arcturus Radio Tube Co
Application granted granted Critical
Publication of FR707651A publication Critical patent/FR707651A/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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22—Heaters
FR707651D 1929-12-17 1930-11-28 Perfectionnements aux tubes électroniques Expired FR707651A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US361130XA 1929-12-17 1929-12-17

Publications (1)

Publication Number Publication Date
FR707651A true FR707651A (fr) 1931-07-10

Family

ID=21886685

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707651D Expired FR707651A (fr) 1929-12-17 1930-11-28 Perfectionnements aux tubes électroniques

Country Status (2)

Country Link
FR (1) FR707651A (fr)
GB (1) GB361130A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2147732B (en) * 1983-10-07 1987-11-04 English Electric Valve Co Ltd Improvements in or relating to travelling wave tubes

Also Published As

Publication number Publication date
GB361130A (en) 1931-11-19

Similar Documents

Publication Publication Date Title
FR681521A (fr) Perfectionnements aux manomètres
FR681321A (fr) Perfectionnements aux tubes électroniques
FR707651A (fr) Perfectionnements aux tubes électroniques
FR684526A (fr) Perfectionnements aux tubes électroniques
FR695148A (fr) Perfectionnements apportés aux stylographes
FR689473A (fr) Perfectionnements aux micro-téléphones
FR684114A (fr) Perfectionnements apportés aux tubes électroniques
FR697607A (fr) Perfectionnements aux tubes électroniques
FR698119A (fr) Perfectionnements apportés aux condensateurs
FR692457A (fr) Perfectionnements aux tarauds
FR687260A (fr) Perfectionnements aux robinets
FR700273A (fr) Perfectionnements apportés aux films
FR786265A (fr) Perfectionnements aux générateurs à lampes électroniques
FR715430A (fr) Perfectionnements aux tubes électroniques
FR698675A (fr) Perfectionnements apportés aux gyrostats
FR706921A (fr) Perfectionnements aux tubes thermoioniques
FR670778A (fr) Perfectionnements apportés aux pinces
FR670465A (fr) Perfectionnements apportés aux menottes
FR689755A (fr) Perfectionnements aux mécanismes compteurs
FR671685A (fr) Perfectionnements apportés aux supports formés de tubes assemblées
FR687546A (fr) Perfectionnements aux robinets
FR712381A (fr) Perfectionnements aux tubes électroniques
FR39403E (fr) Perfectionnements aux tubes électroniques
FR690827A (fr) Perfectionnements aux économiseurs
FR40226E (fr) Perfectionnements aux odographes