FR1142305A - Tube électronique - Google Patents

Tube électronique

Info

Publication number
FR1142305A
FR1142305A FR1142305DA FR1142305A FR 1142305 A FR1142305 A FR 1142305A FR 1142305D A FR1142305D A FR 1142305DA FR 1142305 A FR1142305 A FR 1142305A
Authority
FR
France
Prior art keywords
electron tube
electron
tube
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.)
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 FR1142305A publication Critical patent/FR1142305A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
FR1142305D 1955-03-07 1956-03-05 Tube électronique Expired FR1142305A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1142305X 1955-03-07

Publications (1)

Publication Number Publication Date
FR1142305A true FR1142305A (fr) 1957-09-17

Family

ID=10877272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1142305D Expired FR1142305A (fr) 1955-03-07 1956-03-05 Tube électronique

Country Status (2)

Country Link
DE (1) DE1015943B (fr)
FR (1) FR1142305A (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE706013C (de) * 1931-07-06 1941-05-15 Aeg Elektrische Entladungsroehre mit Glaswandung und aeusserem metallischem Wandbelag
DE723887C (de) * 1937-04-13 1942-08-12 Philips Patentverwaltung Elektrode fuer Elektronenroehren

Also Published As

Publication number Publication date
DE1015943B (de) 1957-09-19

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