FR602556A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR602556A
FR602556A FR602556DA FR602556A FR 602556 A FR602556 A FR 602556A FR 602556D A FR602556D A FR 602556DA FR 602556 A FR602556 A FR 602556A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR602556A publication Critical patent/FR602556A/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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/18—Supports; Vibration-damping arrangements
FR602556D 1924-07-17 1925-07-01 Improvements to electronic discharge devices Expired FR602556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US726623A US1665896A (en) 1924-07-17 1924-07-17 Electron-discharge device

Publications (1)

Publication Number Publication Date
FR602556A true FR602556A (en) 1926-03-22

Family

ID=24919342

Family Applications (1)

Application Number Title Priority Date Filing Date
FR602556D Expired FR602556A (en) 1924-07-17 1925-07-01 Improvements to electronic discharge devices

Country Status (3)

Country Link
US (1) US1665896A (en)
FR (1) FR602556A (en)
GB (1) GB237258A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL68149C (en) * 1947-02-08

Also Published As

Publication number Publication date
GB237258A (en) 1925-12-24
US1665896A (en) 1928-04-10

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