FR943687A - Further development of electronic discharge tubes - Google Patents

Further development of electronic discharge tubes

Info

Publication number
FR943687A
FR943687A FR943687DA FR943687A FR 943687 A FR943687 A FR 943687A FR 943687D A FR943687D A FR 943687DA FR 943687 A FR943687 A FR 943687A
Authority
FR
France
Prior art keywords
further development
discharge tubes
electronic discharge
electronic
tubes
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
French (fr)
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.)
Heraeus Noblelight Analytics Ltd
Original Assignee
Cathodeon Ltd
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 Cathodeon Ltd filed Critical Cathodeon Ltd
Application granted granted Critical
Publication of FR943687A publication Critical patent/FR943687A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/027—Construction of the gun or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/485—Construction of the gun or of parts thereof
FR943687D 1945-11-28 1946-12-09 Further development of electronic discharge tubes Expired FR943687A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3212845A GB606147A (en) 1945-11-28 1945-11-28 Improvements in or relating to electron discharge tubes

Publications (1)

Publication Number Publication Date
FR943687A true FR943687A (en) 1949-03-15

Family

ID=10333704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943687D Expired FR943687A (en) 1945-11-28 1946-12-09 Further development of electronic discharge tubes

Country Status (2)

Country Link
FR (1) FR943687A (en)
GB (1) GB606147A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295001A (en) * 1963-06-04 1966-12-27 Sylvania Electric Prod Cathode ray tube gun having a second grid with an effective thickness

Also Published As

Publication number Publication date
GB606147A (en) 1948-08-06

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