FR720048A - Improvements to screens for mercury rectifiers - Google Patents

Improvements to screens for mercury rectifiers

Info

Publication number
FR720048A
FR720048A FR720048DA FR720048A FR 720048 A FR720048 A FR 720048A FR 720048D A FR720048D A FR 720048DA FR 720048 A FR720048 A FR 720048A
Authority
FR
France
Prior art keywords
screens
mercury rectifiers
rectifiers
mercury
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 FR720048A publication Critical patent/FR720048A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02—Details
    • H01J13/20—Control electrodes, e.g. grid
FR720048D 1930-07-29 1931-07-16 Improvements to screens for mercury rectifiers Expired FR720048A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB720048X 1930-07-29

Publications (1)

Publication Number Publication Date
FR720048A true FR720048A (en) 1932-02-15

Family

ID=10494893

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720048D Expired FR720048A (en) 1930-07-29 1931-07-16 Improvements to screens for mercury rectifiers

Country Status (1)

Country Link
FR (1) FR720048A (en)

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