FR750570A - Improvements to gas discharge devices and their manufacture - Google Patents

Improvements to gas discharge devices and their manufacture

Info

Publication number
FR750570A
FR750570A FR750570DA FR750570A FR 750570 A FR750570 A FR 750570A FR 750570D A FR750570D A FR 750570DA FR 750570 A FR750570 A FR 750570A
Authority
FR
France
Prior art keywords
manufacture
gas discharge
discharge devices
devices
gas
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 FR750570A publication Critical patent/FR750570A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
FR750570D 1932-10-11 1933-02-11 Improvements to gas discharge devices and their manufacture Expired FR750570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US637310A US1965589A (en) 1932-10-11 1932-10-11 Gaseous electric discharge device and method of making the same

Publications (1)

Publication Number Publication Date
FR750570A true FR750570A (en) 1933-08-12

Family

ID=24555396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR750570D Expired FR750570A (en) 1932-10-11 1933-02-11 Improvements to gas discharge devices and their manufacture

Country Status (2)

Country Link
US (1) US1965589A (en)
FR (1) FR750570A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438962A (en) * 1944-08-07 1948-04-06 Colonial Radio Corp Protection of thyratron in impulse generating circuits
BE474423A (en) * 1946-03-28
US3262091A (en) * 1951-07-03 1966-07-19 James R Richards Sound range recorder
US2971111A (en) * 1957-11-13 1961-02-07 Sylvania Electric Prod Exhaust tube and top cap assembly
US2916648A (en) * 1957-12-05 1959-12-08 Sylvania Electric Prod Electron tube

Also Published As

Publication number Publication date
US1965589A (en) 1934-07-10

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