FR1550223A - - Google Patents

Info

Publication number
FR1550223A
FR1550223A FR1550223DA FR1550223A FR 1550223 A FR1550223 A FR 1550223A FR 1550223D A FR1550223D A FR 1550223DA FR 1550223 A FR1550223 A FR 1550223A
Authority
FR
France
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)
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
Priority claimed from GB04684/67A external-priority patent/GB1204316A/en
Application filed filed Critical
Application granted granted Critical
Publication of FR1550223A publication Critical patent/FR1550223A/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
    • H01J1/15—Cathodes heated directly by an electric current
FR1550223D 1966-09-26 1967-09-25 Expired FR1550223A (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB04684/67A GB1204316A (en) 1966-09-26 1966-09-26 Improvements in or relating to electron emitting cathodes for irradiation machines
GB4295666 1966-09-26
GB5349266 1966-11-29

Publications (1)

Publication Number Publication Date
FR1550223A true FR1550223A (enrdf_load_stackoverflow) 1968-12-20

Family

ID=27257156

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1550223D Expired FR1550223A (enrdf_load_stackoverflow) 1966-09-26 1967-09-25

Country Status (5)

Country Link
DE (1) DE1614938A1 (enrdf_load_stackoverflow)
FR (1) FR1550223A (enrdf_load_stackoverflow)
NL (1) NL6713103A (enrdf_load_stackoverflow)
NO (1) NO121224B (enrdf_load_stackoverflow)
SE (1) SE335390B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013201B1 (fr) * 1978-12-27 1982-05-19 Thomson-Csf Cathode à chauffage direct et tube électronique haute fréquence comportant une telle cathode

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH582951A5 (enrdf_load_stackoverflow) * 1973-07-09 1976-12-15 Bbc Brown Boveri & Cie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013201B1 (fr) * 1978-12-27 1982-05-19 Thomson-Csf Cathode à chauffage direct et tube électronique haute fréquence comportant une telle cathode

Also Published As

Publication number Publication date
SE335390B (enrdf_load_stackoverflow) 1971-05-24
DE1614938A1 (de) 1970-12-23
NO121224B (enrdf_load_stackoverflow) 1971-02-01
NL6713103A (enrdf_load_stackoverflow) 1968-03-27

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Legal Events

Date Code Title Description
ST Notification of lapse