FR514766A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR514766A
FR514766A FR514766A FR514766DA FR514766A FR 514766 A FR514766 A FR 514766A FR 514766 A FR514766 A FR 514766A FR 514766D A FR514766D A FR 514766DA FR 514766 A FR514766 A FR 514766A
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
FR514766A
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25172254&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR514766(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR514766A publication Critical patent/FR514766A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
    • 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
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
FR514766A 1913-10-29 1920-04-30 Improvements to electronic discharge devices Expired FR514766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US797986A US1558437A (en) 1913-10-29 1913-10-29 Electrical discharge apparatus

Publications (1)

Publication Number Publication Date
FR514766A true FR514766A (en) 1921-03-18

Family

ID=25172254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR514766A Expired FR514766A (en) 1913-10-29 1920-04-30 Improvements to electronic discharge devices

Country Status (3)

Country Link
US (1) US1558437A (en)
FR (1) FR514766A (en)
GB (1) GB148133A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL45199C (en) * 1933-01-14
US2420942A (en) * 1941-02-21 1947-05-20 Gen Electric Electric discharge device and circuit therefor

Also Published As

Publication number Publication date
GB148133A (en) 1922-01-09
US1558437A (en) 1925-10-20

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