FR619913A - Improvements to electronic discharge tubes - Google Patents

Improvements to electronic discharge tubes

Info

Publication number
FR619913A
FR619913A FR619913DA FR619913A FR 619913 A FR619913 A FR 619913A FR 619913D A FR619913D A FR 619913DA FR 619913 A FR619913 A FR 619913A
Authority
FR
France
Prior art keywords
discharge tubes
electronic discharge
electronic
tubes
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 FR619913A publication Critical patent/FR619913A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/02—Electron-emitting electrodes; Cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
FR619913D 1925-07-20 1926-07-19 Improvements to electronic discharge tubes Expired FR619913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US619913XA 1925-07-20 1925-07-20

Publications (1)

Publication Number Publication Date
FR619913A true FR619913A (en) 1927-04-12

Family

ID=22039524

Family Applications (1)

Application Number Title Priority Date Filing Date
FR619913D Expired FR619913A (en) 1925-07-20 1926-07-19 Improvements to electronic discharge tubes

Country Status (1)

Country Link
FR (1) FR619913A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742717C (en) * 1937-09-02 1943-12-09 Telefunken Gmbh Tube base with electrode connections distributed around the circumference
DE763641C (en) * 1938-06-16 1953-10-12 Aeg Electrical discharge vessel with metal wall and electrode system arranged parallel to the tube axis

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742717C (en) * 1937-09-02 1943-12-09 Telefunken Gmbh Tube base with electrode connections distributed around the circumference
DE763641C (en) * 1938-06-16 1953-10-12 Aeg Electrical discharge vessel with metal wall and electrode system arranged parallel to the tube axis

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