FR682233A - Improvements to grid electrodes for electronic discharge devices - Google Patents

Improvements to grid electrodes for electronic discharge devices

Info

Publication number
FR682233A
FR682233A FR682233DA FR682233A FR 682233 A FR682233 A FR 682233A FR 682233D A FR682233D A FR 682233DA FR 682233 A FR682233 A FR 682233A
Authority
FR
France
Prior art keywords
discharge devices
grid electrodes
electronic discharge
electronic
grid
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 FR682233A publication Critical patent/FR682233A/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
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/38—Control electrodes, e.g. grid
FR682233D 1928-09-25 1929-09-24 Improvements to grid electrodes for electronic discharge devices Expired FR682233A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US682233XA 1928-09-25 1928-09-25

Publications (1)

Publication Number Publication Date
FR682233A true FR682233A (en) 1930-05-24

Family

ID=22081186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR682233D Expired FR682233A (en) 1928-09-25 1929-09-24 Improvements to grid electrodes for electronic discharge devices

Country Status (1)

Country Link
FR (1) FR682233A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19604004C1 (en) * 1996-02-05 1997-06-05 Elsag Int Nv Magnetic-inductive flow meter esp. for pastes, muds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19604004C1 (en) * 1996-02-05 1997-06-05 Elsag Int Nv Magnetic-inductive flow meter esp. for pastes, muds

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