FR798597A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR798597A
FR798597A FR798597DA FR798597A FR 798597 A FR798597 A FR 798597A FR 798597D A FR798597D A FR 798597DA FR 798597 A FR798597 A FR 798597A
Authority
FR
France
Prior art keywords
discharge devices
electronic discharge
electronic
devices
discharge
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR798597A publication Critical patent/FR798597A/en
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
FR798597D 1934-12-29 1935-10-26 Improvements to electronic discharge devices Expired FR798597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US759686A US2069832A (en) 1934-12-29 1934-12-29 Electric discharge device

Publications (1)

Publication Number Publication Date
FR798597A true FR798597A (en) 1936-05-20

Family

ID=25056580

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798597D Expired FR798597A (en) 1934-12-29 1935-10-26 Improvements to electronic discharge devices

Country Status (3)

Country Link
US (1) US2069832A (en)
FR (1) FR798597A (en)
NL (1) NL43310C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433821A (en) * 1945-05-23 1947-12-30 Sylvania Electric Prod Electron emissive cathode
NL67823C (en) * 1946-03-16

Also Published As

Publication number Publication date
US2069832A (en) 1937-02-09
NL43310C (en)

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